//! Tests for the `cargo build` command. use cargo::{ core::compiler::CompileMode, core::{Shell, Workspace}, ops::CompileOptions, Config, }; use cargo_test_support::compare; use cargo_test_support::paths::{root, CargoPathExt}; use cargo_test_support::registry::Package; use cargo_test_support::tools; use cargo_test_support::{ basic_bin_manifest, basic_lib_manifest, basic_manifest, cargo_exe, git, is_nightly, main_file, paths, process, project, rustc_host, sleep_ms, symlink_supported, t, Execs, ProjectBuilder, }; use cargo_util::paths::dylib_path_envvar; use std::env; use std::fs; use std::io::Read; use std::process::Stdio; #[cargo_test] fn cargo_compile_simple() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .build(); p.cargo("build").run(); assert!(p.bin("foo").is_file()); p.process(&p.bin("foo")).with_stdout("i am foo\n").run(); } #[cargo_test] fn cargo_fail_with_no_stderr() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &String::from("refusal")) .build(); p.cargo("build --message-format=json") .with_status(101) .with_stderr_does_not_contain("--- stderr") .run(); } /// Checks that the `CARGO_INCREMENTAL` environment variable results in /// `rustc` getting `-C incremental` passed to it. #[cargo_test] fn cargo_compile_incremental() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .build(); p.cargo("build -v") .env("CARGO_INCREMENTAL", "1") .with_stderr_contains( "[RUNNING] `rustc [..] -C incremental=[..]/target/debug/incremental[..]`\n", ) .run(); p.cargo("test -v") .env("CARGO_INCREMENTAL", "1") .with_stderr_contains( "[RUNNING] `rustc [..] -C incremental=[..]/target/debug/incremental[..]`\n", ) .run(); } #[cargo_test] fn incremental_profile() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" authors = [] [profile.dev] incremental = false [profile.release] incremental = true "#, ) .file("src/main.rs", "fn main() {}") .build(); p.cargo("build -v") .env_remove("CARGO_INCREMENTAL") .with_stderr_does_not_contain("[..]C incremental=[..]") .run(); p.cargo("build -v") .env("CARGO_INCREMENTAL", "1") .with_stderr_contains("[..]C incremental=[..]") .run(); p.cargo("build --release -v") .env_remove("CARGO_INCREMENTAL") .with_stderr_contains("[..]C incremental=[..]") .run(); p.cargo("build --release -v") .env("CARGO_INCREMENTAL", "0") .with_stderr_does_not_contain("[..]C incremental=[..]") .run(); } #[cargo_test] fn incremental_config() { let p = project() .file("src/main.rs", "fn main() {}") .file( ".cargo/config.toml", r#" [build] incremental = false "#, ) .build(); p.cargo("build -v") .env_remove("CARGO_INCREMENTAL") .with_stderr_does_not_contain("[..]C incremental=[..]") .run(); p.cargo("build -v") .env("CARGO_INCREMENTAL", "1") .with_stderr_contains("[..]C incremental=[..]") .run(); } #[cargo_test] fn cargo_compile_with_redundant_default_mode() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .build(); p.cargo("build --debug") .with_stderr( "\ error: unexpected argument '--debug' found tip: `--debug` is the default for `cargo build`; instead `--release` is supported Usage: cargo[EXE] build [OPTIONS] For more information, try '--help'. ", ) .with_status(1) .run(); } #[cargo_test] fn cargo_compile_with_unsupported_short_config_flag() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .build(); p.cargo("build -c net.git-fetch-with-cli=true") .with_stderr( "\ error: unexpected argument '-c' found tip: a similar argument exists: '--config' Usage: cargo[EXE] build [OPTIONS] For more information, try '--help'. ", ) .with_status(1) .run(); } #[cargo_test] fn cargo_compile_with_workspace_excluded() { let p = project().file("src/main.rs", "fn main() {}").build(); p.cargo("build --workspace --exclude foo") .with_stderr_does_not_contain("[..]virtual[..]") .with_stderr_contains("[..]no packages to compile") .with_status(101) .run(); } #[cargo_test] fn cargo_compile_manifest_path() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .build(); p.cargo("build --manifest-path foo/Cargo.toml") .cwd(p.root().parent().unwrap()) .run(); assert!(p.bin("foo").is_file()); } #[cargo_test] fn cargo_compile_with_wrong_manifest_path_flag() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .build(); p.cargo("build --path foo/Cargo.toml") .cwd(p.root().parent().unwrap()) .with_stderr( "\ error: unexpected argument '--path' found tip: a similar argument exists: '--manifest-path' Usage: cargo[EXE] build [OPTIONS] For more information, try '--help'. ", ) .with_status(1) .run(); } #[cargo_test] fn chdir_gated() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .build(); p.cargo("-C foo build") .cwd(p.root().parent().unwrap()) .with_stderr( "error: the `-C` flag is unstable, \ pass `-Z unstable-options` on the nightly channel to enable it", ) .with_status(101) .run(); // No masquerade should also fail. p.cargo("-C foo -Z unstable-options build") .cwd(p.root().parent().unwrap()) .with_stderr( "error: the `-C` flag is unstable, \ pass `-Z unstable-options` on the nightly channel to enable it", ) .with_status(101) .run(); } #[cargo_test] fn cargo_compile_directory_not_cwd() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .file(".cargo/config.toml", &"") .build(); p.cargo("-Zunstable-options -C foo build") .masquerade_as_nightly_cargo(&["chdir"]) .cwd(p.root().parent().unwrap()) .run(); assert!(p.bin("foo").is_file()); } #[cargo_test] fn cargo_compile_with_unsupported_short_unstable_feature_flag() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .file(".cargo/config.toml", &"") .build(); p.cargo("-zunstable-options -C foo build") .masquerade_as_nightly_cargo(&["chdir"]) .cwd(p.root().parent().unwrap()) .with_stderr( "\ error: unexpected argument '-z' found tip: a similar argument exists: '-Z' Usage: cargo [..][OPTIONS] [COMMAND] cargo [..][OPTIONS] -Zscript [ARGS]... For more information, try '--help'. ", ) .with_status(1) .run(); } #[cargo_test] fn cargo_compile_directory_not_cwd_with_invalid_config() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .file(".cargo/config.toml", &"!") .build(); p.cargo("-Zunstable-options -C foo build") .masquerade_as_nightly_cargo(&["chdir"]) .cwd(p.root().parent().unwrap()) .with_status(101) .with_stderr_contains( "\ Caused by: TOML parse error at line 1, column 1 | 1 | ! | ^ invalid key ", ) .run(); } #[cargo_test] fn cargo_compile_with_invalid_manifest() { let p = project().file("Cargo.toml", "").build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: virtual manifests must be configured with [workspace] ", ) .run(); } #[cargo_test] fn cargo_compile_with_invalid_manifest2() { let p = project() .file( "Cargo.toml", " [package] foo = bar ", ) .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] invalid string expected `\"`, `'` --> Cargo.toml:3:23 | 3 | foo = bar | ^ | ", ) .run(); } #[cargo_test] fn cargo_compile_with_invalid_manifest3() { let p = project().file("src/Cargo.toml", "a = bar").build(); p.cargo("build --manifest-path src/Cargo.toml") .with_status(101) .with_stderr( "\ [ERROR] invalid string expected `\"`, `'` --> src/Cargo.toml:1:5 | 1 | a = bar | ^ | ", ) .run(); } #[cargo_test] fn cargo_compile_duplicate_build_targets() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [lib] name = "main" path = "src/main.rs" crate-type = ["dylib"] [dependencies] "#, ) .file("src/main.rs", "#![allow(warnings)] fn main() {}") .build(); p.cargo("build") .with_stderr( "\ warning: file `[..]main.rs` found to be present in multiple build targets: * `lib` target `main` * `bin` target `foo` [COMPILING] foo v0.0.1 ([..]) [FINISHED] [..] ", ) .run(); } #[cargo_test] fn cargo_compile_with_invalid_version() { let p = project() .file("Cargo.toml", &basic_manifest("foo", "1.0")) .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] unexpected end of input while parsing minor version number --> Cargo.toml:4:19 | 4 | version = \"1.0\" | ^^^^^ | ", ) .run(); } #[cargo_test] fn cargo_compile_with_empty_package_name() { let p = project() .file("Cargo.toml", &basic_manifest("", "0.0.0")) .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] package name cannot be empty --> Cargo.toml:3:16 | 3 | name = \"\" | ^^ | ", ) .run(); } #[cargo_test] fn cargo_compile_with_invalid_package_name() { let p = project() .file("Cargo.toml", &basic_manifest("foo::bar", "0.0.0")) .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] invalid character `:` in package name: `foo::bar`, characters must be Unicode XID characters (numbers, `-`, `_`, or most letters) --> Cargo.toml:3:16 | 3 | name = \"foo::bar\" | ^^^^^^^^^^ | ", ) .run(); } #[cargo_test] fn cargo_compile_with_invalid_bin_target_name() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.0" [[bin]] name = "" "#, ) .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: binary target names cannot be empty ", ) .run(); } #[cargo_test] fn cargo_compile_with_forbidden_bin_target_name() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.0" [[bin]] name = "build" "#, ) .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: the binary target name `build` is forbidden, it conflicts with cargo's build directory names ", ) .run(); } #[cargo_test] fn cargo_compile_with_bin_and_crate_type() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.0" [[bin]] name = "the_foo_bin" path = "src/foo.rs" crate-type = ["cdylib", "rlib"] "#, ) .file("src/foo.rs", "fn main() {}") .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: the target `the_foo_bin` is a binary and can't have any crate-types set \ (currently \"cdylib, rlib\")", ) .run(); } #[cargo_test] fn cargo_compile_api_exposes_artifact_paths() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.0" [[bin]] name = "the_foo_bin" path = "src/bin.rs" [lib] name = "the_foo_lib" path = "src/foo.rs" crate-type = ["cdylib", "rlib"] "#, ) .file("src/foo.rs", "pub fn bar() {}") .file("src/bin.rs", "pub fn main() {}") .build(); let shell = Shell::from_write(Box::new(Vec::new())); let config = Config::new(shell, env::current_dir().unwrap(), paths::home()); let ws = Workspace::new(&p.root().join("Cargo.toml"), &config).unwrap(); let compile_options = CompileOptions::new(ws.config(), CompileMode::Build).unwrap(); let result = cargo::ops::compile(&ws, &compile_options).unwrap(); assert_eq!(1, result.binaries.len()); assert!(result.binaries[0].path.exists()); assert!(result.binaries[0] .path .to_str() .unwrap() .contains("the_foo_bin")); assert_eq!(1, result.cdylibs.len()); // The exact library path varies by platform, but should certainly exist at least assert!(result.cdylibs[0].path.exists()); assert!(result.cdylibs[0] .path .to_str() .unwrap() .contains("the_foo_lib")); } #[cargo_test] fn cargo_compile_with_bin_and_proc() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.0" [[bin]] name = "the_foo_bin" path = "src/foo.rs" proc-macro = true "#, ) .file("src/foo.rs", "fn main() {}") .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: the target `the_foo_bin` is a binary and can't have `proc-macro` set `true`", ) .run(); } #[cargo_test] fn cargo_compile_with_invalid_lib_target_name() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.0" [lib] name = "" "#, ) .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: library target names cannot be empty ", ) .run(); } #[cargo_test] fn cargo_compile_with_invalid_non_numeric_dep_version() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" [dependencies] crossbeam = "y" "#, ) .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[CWD]/Cargo.toml` Caused by: failed to parse the version requirement `y` for dependency `crossbeam` Caused by: unexpected character 'y' while parsing major version number ", ) .run(); } #[cargo_test] fn cargo_compile_without_manifest() { let p = project().no_manifest().build(); p.cargo("build") .with_status(101) .with_stderr("[ERROR] could not find `Cargo.toml` in `[..]` or any parent directory") .run(); } #[cargo_test] #[cfg(target_os = "linux")] fn cargo_compile_with_lowercase_cargo_toml() { let p = project() .no_manifest() .file("cargo.toml", &basic_manifest("foo", "0.1.0")) .file("src/lib.rs", &main_file(r#""i am foo""#, &[])) .build(); p.cargo("build") .with_status(101) .with_stderr( "[ERROR] could not find `Cargo.toml` in `[..]` or any parent directory, \ but found cargo.toml please try to rename it to Cargo.toml", ) .run(); } #[cargo_test] fn cargo_compile_with_invalid_code() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", "invalid rust code!") .build(); p.cargo("build") .with_status(101) .with_stderr_contains( "[ERROR] could not compile `foo` (bin \"foo\") due to 1 previous error\n", ) .run(); assert!(p.root().join("Cargo.lock").is_file()); } #[cargo_test] fn cargo_compile_with_invalid_code_in_deps() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] path = "../bar" [dependencies.baz] path = "../baz" "#, ) .file("src/main.rs", "invalid rust code!") .build(); let _bar = project() .at("bar") .file("Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("src/lib.rs", "invalid rust code!") .build(); let _baz = project() .at("baz") .file("Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("src/lib.rs", "invalid rust code!") .build(); p.cargo("build") .with_status(101) .with_stderr_contains("[..]invalid rust code[..]") .with_stderr_contains("[ERROR] could not compile [..]") .run(); } #[cargo_test] fn cargo_compile_with_warnings_in_the_root_package() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", "fn main() {} fn dead() {}") .build(); p.cargo("build") .with_stderr_contains("[WARNING] [..]dead[..]") .run(); } #[cargo_test] fn cargo_compile_with_warnings_in_a_dep_package() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [dependencies.bar] path = "bar" [[bin]] name = "foo" "#, ) .file("src/foo.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"])) .file("bar/Cargo.toml", &basic_lib_manifest("bar")) .file( "bar/src/bar.rs", r#" pub fn gimme() -> &'static str { "test passed" } fn dead() {} "#, ) .build(); p.cargo("build") .with_stderr_contains("[WARNING] [..]dead[..]") .run(); assert!(p.bin("foo").is_file()); p.process(&p.bin("foo")).with_stdout("test passed\n").run(); } #[cargo_test] fn cargo_compile_with_nested_deps_inferred() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [dependencies.bar] path = 'bar' [[bin]] name = "foo" "#, ) .file("src/foo.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"])) .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.5.0" authors = ["wycats@example.com"] [dependencies.baz] path = "../baz" "#, ) .file( "bar/src/lib.rs", r#" extern crate baz; pub fn gimme() -> String { baz::gimme() } "#, ) .file("baz/Cargo.toml", &basic_manifest("baz", "0.5.0")) .file( "baz/src/lib.rs", r#" pub fn gimme() -> String { "test passed".to_string() } "#, ) .build(); p.cargo("build").run(); assert!(p.bin("foo").is_file()); assert!(!p.bin("libbar.rlib").is_file()); assert!(!p.bin("libbaz.rlib").is_file()); p.process(&p.bin("foo")).with_stdout("test passed\n").run(); } #[cargo_test] fn cargo_compile_with_nested_deps_correct_bin() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [dependencies.bar] path = "bar" [[bin]] name = "foo" "#, ) .file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"])) .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.5.0" authors = ["wycats@example.com"] [dependencies.baz] path = "../baz" "#, ) .file( "bar/src/lib.rs", r#" extern crate baz; pub fn gimme() -> String { baz::gimme() } "#, ) .file("baz/Cargo.toml", &basic_manifest("baz", "0.5.0")) .file( "baz/src/lib.rs", r#" pub fn gimme() -> String { "test passed".to_string() } "#, ) .build(); p.cargo("build").run(); assert!(p.bin("foo").is_file()); assert!(!p.bin("libbar.rlib").is_file()); assert!(!p.bin("libbaz.rlib").is_file()); p.process(&p.bin("foo")).with_stdout("test passed\n").run(); } #[cargo_test] fn cargo_compile_with_nested_deps_shorthand() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [dependencies.bar] path = "bar" "#, ) .file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"])) .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.5.0" authors = ["wycats@example.com"] [dependencies.baz] path = "../baz" [lib] name = "bar" "#, ) .file( "bar/src/bar.rs", r#" extern crate baz; pub fn gimme() -> String { baz::gimme() } "#, ) .file("baz/Cargo.toml", &basic_lib_manifest("baz")) .file( "baz/src/baz.rs", r#" pub fn gimme() -> String { "test passed".to_string() } "#, ) .build(); p.cargo("build").run(); assert!(p.bin("foo").is_file()); assert!(!p.bin("libbar.rlib").is_file()); assert!(!p.bin("libbaz.rlib").is_file()); p.process(&p.bin("foo")).with_stdout("test passed\n").run(); } #[cargo_test] fn cargo_compile_with_nested_deps_longhand() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [dependencies.bar] path = "bar" version = "0.5.0" [[bin]] name = "foo" "#, ) .file("src/foo.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"])) .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.5.0" authors = ["wycats@example.com"] [dependencies.baz] path = "../baz" version = "0.5.0" [lib] name = "bar" "#, ) .file( "bar/src/bar.rs", r#" extern crate baz; pub fn gimme() -> String { baz::gimme() } "#, ) .file("baz/Cargo.toml", &basic_lib_manifest("baz")) .file( "baz/src/baz.rs", r#" pub fn gimme() -> String { "test passed".to_string() } "#, ) .build(); p.cargo("build").run(); assert!(p.bin("foo").is_file()); assert!(!p.bin("libbar.rlib").is_file()); assert!(!p.bin("libbaz.rlib").is_file()); p.process(&p.bin("foo")).with_stdout("test passed\n").run(); } // Check that Cargo gives a sensible error if a dependency can't be found // because of a name mismatch. #[cargo_test] fn cargo_compile_with_dep_name_mismatch() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = ["wycats@example.com"] [[bin]] name = "foo" [dependencies.notquitebar] path = "bar" "#, ) .file("src/bin/foo.rs", &main_file(r#""i am foo""#, &["bar"])) .file("bar/Cargo.toml", &basic_bin_manifest("bar")) .file("bar/src/bar.rs", &main_file(r#""i am bar""#, &[])) .build(); p.cargo("build") .with_status(101) .with_stderr( "\ error: no matching package named `notquitebar` found location searched: [CWD]/bar required by package `foo v0.0.1 ([CWD])` ", ) .run(); } // Ensure that renamed deps have a valid name #[cargo_test] fn cargo_compile_with_invalid_dep_rename() { let p = project() .file( "Cargo.toml", r#" [package] name = "buggin" version = "0.1.0" [dependencies] "haha this isn't a valid name 🐛" = { package = "libc", version = "0.1" } "#, ) .file("src/main.rs", &main_file(r#""What's good?""#, &[])) .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] invalid character ` ` in package name: `haha this isn't a valid name 🐛`, characters must be Unicode XID characters (numbers, `-`, `_`, or most letters) --> Cargo.toml:7:17 | 7 | \"haha this isn't a valid name 🐛\" = { package = \"libc\", version = \"0.1\" } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | ", ) .run(); } #[cargo_test] fn cargo_compile_with_filename() { let p = project() .file("src/lib.rs", "") .file( "src/bin/a.rs", r#" extern crate foo; fn main() { println!("hello a.rs"); } "#, ) .file("examples/a.rs", r#"fn main() { println!("example"); }"#) .build(); p.cargo("build --bin bin.rs") .with_status(101) .with_stderr( "\ [ERROR] no bin target named `bin.rs`. Available bin targets: a ", ) .run(); p.cargo("build --bin a.rs") .with_status(101) .with_stderr( "\ [ERROR] no bin target named `a.rs` Did you mean `a`?", ) .run(); p.cargo("build --example example.rs") .with_status(101) .with_stderr( "\ [ERROR] no example target named `example.rs`. Available example targets: a ", ) .run(); p.cargo("build --example a.rs") .with_status(101) .with_stderr( "\ [ERROR] no example target named `a.rs` Did you mean `a`?", ) .run(); } #[cargo_test] fn incompatible_dependencies() { Package::new("bad", "0.1.0").publish(); Package::new("bad", "1.0.0").publish(); Package::new("bad", "1.0.1").publish(); Package::new("bad", "1.0.2").publish(); Package::new("bar", "0.1.0").dep("bad", "0.1.0").publish(); Package::new("baz", "0.1.1").dep("bad", "=1.0.0").publish(); Package::new("baz", "0.1.0").dep("bad", "=1.0.0").publish(); Package::new("qux", "0.1.2").dep("bad", ">=1.0.1").publish(); Package::new("qux", "0.1.1").dep("bad", ">=1.0.1").publish(); Package::new("qux", "0.1.0").dep("bad", ">=1.0.1").publish(); let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" [dependencies] bar = "0.1.0" baz = "0.1.0" qux = "0.1.0" "#, ) .file("src/main.rs", "fn main(){}") .build(); p.cargo("build") .with_status(101) .with_stderr_contains( "\ error: failed to select a version for `bad`. ... required by package `qux v0.1.0` ... which satisfies dependency `qux = \"^0.1.0\"` of package `foo v0.0.1 ([..])` versions that meet the requirements `>=1.0.1` are: 1.0.2, 1.0.1 all possible versions conflict with previously selected packages. previously selected package `bad v1.0.0` ... which satisfies dependency `bad = \"=1.0.0\"` of package `baz v0.1.0` ... which satisfies dependency `baz = \"^0.1.0\"` of package `foo v0.0.1 ([..])` failed to select a version for `bad` which could resolve this conflict", ) .run(); } #[cargo_test] fn incompatible_dependencies_with_multi_semver() { Package::new("bad", "1.0.0").publish(); Package::new("bad", "1.0.1").publish(); Package::new("bad", "2.0.0").publish(); Package::new("bad", "2.0.1").publish(); Package::new("bar", "0.1.0").dep("bad", "=1.0.0").publish(); Package::new("baz", "0.1.0").dep("bad", ">=2.0.1").publish(); let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" [dependencies] bar = "0.1.0" baz = "0.1.0" bad = ">=1.0.1, <=2.0.0" "#, ) .file("src/main.rs", "fn main(){}") .build(); p.cargo("build") .with_status(101) .with_stderr_contains( "\ error: failed to select a version for `bad`. ... required by package `foo v0.0.1 ([..])` versions that meet the requirements `>=1.0.1, <=2.0.0` are: 2.0.0, 1.0.1 all possible versions conflict with previously selected packages. previously selected package `bad v2.0.1` ... which satisfies dependency `bad = \">=2.0.1\"` of package `baz v0.1.0` ... which satisfies dependency `baz = \"^0.1.0\"` of package `foo v0.0.1 ([..])` previously selected package `bad v1.0.0` ... which satisfies dependency `bad = \"=1.0.0\"` of package `bar v0.1.0` ... which satisfies dependency `bar = \"^0.1.0\"` of package `foo v0.0.1 ([..])` failed to select a version for `bad` which could resolve this conflict", ) .run(); } #[cargo_test] fn compile_path_dep_then_change_version() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] path = "bar" "#, ) .file("src/lib.rs", "") .file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1")) .file("bar/src/lib.rs", "") .build(); p.cargo("build").run(); p.change_file("bar/Cargo.toml", &basic_manifest("bar", "0.0.2")); p.cargo("build").run(); } #[cargo_test] fn ignores_carriage_return_in_lockfile() { let p = project() .file("src/main.rs", "mod a; fn main() {}") .file("src/a.rs", "") .build(); p.cargo("build").run(); let lock = p.read_lockfile(); p.change_file("Cargo.lock", &lock.replace("\n", "\r\n")); p.cargo("build").run(); } #[cargo_test] fn cargo_default_env_metadata_env_var() { // Ensure that path dep + dylib + env_var get metadata // (even though path_dep + dylib should not) let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] path = "bar" "#, ) .file("src/lib.rs", "// hi") .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.0.1" authors = [] [lib] name = "bar" crate_type = ["dylib"] "#, ) .file("bar/src/lib.rs", "// hello") .build(); // No metadata on libbar since it's a dylib path dependency p.cargo("build -v") .with_stderr(&format!( "\ [COMPILING] bar v0.0.1 ([CWD]/bar) [RUNNING] `rustc --crate-name bar bar/src/lib.rs [..]--crate-type dylib \ --emit=[..]link \ -C prefer-dynamic[..]-C debuginfo=2 [..]\ -C metadata=[..] \ --out-dir [..] \ -L dependency=[CWD]/target/debug/deps` [COMPILING] foo v0.0.1 ([CWD]) [RUNNING] `rustc --crate-name foo src/lib.rs [..]--crate-type lib \ --emit=[..]link[..]-C debuginfo=2 [..]\ -C metadata=[..] \ -C extra-filename=[..] \ --out-dir [..] \ -L dependency=[CWD]/target/debug/deps \ --extern bar=[CWD]/target/debug/deps/{prefix}bar{suffix}` [FINISHED] dev [unoptimized + debuginfo] target(s) in [..]", prefix = env::consts::DLL_PREFIX, suffix = env::consts::DLL_SUFFIX, )) .run(); p.cargo("clean").run(); // If you set the env-var, then we expect metadata on libbar p.cargo("build -v") .env("__CARGO_DEFAULT_LIB_METADATA", "stable") .with_stderr(&format!( "\ [COMPILING] bar v0.0.1 ([CWD]/bar) [RUNNING] `rustc --crate-name bar bar/src/lib.rs [..]--crate-type dylib \ --emit=[..]link \ -C prefer-dynamic[..]-C debuginfo=2 [..]\ -C metadata=[..] \ --out-dir [..] \ -L dependency=[CWD]/target/debug/deps` [COMPILING] foo v0.0.1 ([CWD]) [RUNNING] `rustc --crate-name foo src/lib.rs [..]--crate-type lib \ --emit=[..]link[..]-C debuginfo=2 [..]\ -C metadata=[..] \ -C extra-filename=[..] \ --out-dir [..] \ -L dependency=[CWD]/target/debug/deps \ --extern bar=[CWD]/target/debug/deps/{prefix}bar-[..]{suffix}` [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", prefix = env::consts::DLL_PREFIX, suffix = env::consts::DLL_SUFFIX, )) .run(); } #[cargo_test] fn crate_env_vars() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.1-alpha.1" description = "This is foo" homepage = "https://example.com" repository = "https://example.com/repo.git" authors = ["wycats@example.com"] license = "MIT OR Apache-2.0" license-file = "license.txt" rust-version = "1.61.0" readme = "../../README.md" [[bin]] name = "foo-bar" path = "src/main.rs" "#, ) .file( "src/main.rs", r#" extern crate foo; static VERSION_MAJOR: &'static str = env!("CARGO_PKG_VERSION_MAJOR"); static VERSION_MINOR: &'static str = env!("CARGO_PKG_VERSION_MINOR"); static VERSION_PATCH: &'static str = env!("CARGO_PKG_VERSION_PATCH"); static VERSION_PRE: &'static str = env!("CARGO_PKG_VERSION_PRE"); static VERSION: &'static str = env!("CARGO_PKG_VERSION"); static CARGO_MANIFEST_DIR: &'static str = env!("CARGO_MANIFEST_DIR"); static PKG_NAME: &'static str = env!("CARGO_PKG_NAME"); static HOMEPAGE: &'static str = env!("CARGO_PKG_HOMEPAGE"); static REPOSITORY: &'static str = env!("CARGO_PKG_REPOSITORY"); static LICENSE: &'static str = env!("CARGO_PKG_LICENSE"); static LICENSE_FILE: &'static str = env!("CARGO_PKG_LICENSE_FILE"); static DESCRIPTION: &'static str = env!("CARGO_PKG_DESCRIPTION"); static RUST_VERSION: &'static str = env!("CARGO_PKG_RUST_VERSION"); static README: &'static str = env!("CARGO_PKG_README"); static BIN_NAME: &'static str = env!("CARGO_BIN_NAME"); static CRATE_NAME: &'static str = env!("CARGO_CRATE_NAME"); fn main() { let s = format!("{}-{}-{} @ {} in {}", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH, VERSION_PRE, CARGO_MANIFEST_DIR); assert_eq!(s, foo::version()); println!("{}", s); assert_eq!("foo", PKG_NAME); assert_eq!("foo-bar", BIN_NAME); assert_eq!("foo_bar", CRATE_NAME); assert_eq!("https://example.com", HOMEPAGE); assert_eq!("https://example.com/repo.git", REPOSITORY); assert_eq!("MIT OR Apache-2.0", LICENSE); assert_eq!("license.txt", LICENSE_FILE); assert_eq!("This is foo", DESCRIPTION); assert_eq!("1.61.0", RUST_VERSION); assert_eq!("../../README.md", README); let s = format!("{}.{}.{}-{}", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH, VERSION_PRE); assert_eq!(s, VERSION); // Verify CARGO_TARGET_TMPDIR isn't set for bins assert!(option_env!("CARGO_TARGET_TMPDIR").is_none()); // Verify CARGO_RUSTC_CURRENT_DIR is set for examples let workspace_dir = std::path::Path::new(option_env!("CARGO_RUSTC_CURRENT_DIR").expect("CARGO_RUSTC_CURRENT_DIR")); let file_path = workspace_dir.join(file!()); assert!(file_path.exists(), "{}", file_path.display()); } "#, ) .file( "src/lib.rs", r#" use std::env; use std::path::PathBuf; pub fn version() -> String { format!("{}-{}-{} @ {} in {}", env!("CARGO_PKG_VERSION_MAJOR"), env!("CARGO_PKG_VERSION_MINOR"), env!("CARGO_PKG_VERSION_PATCH"), env!("CARGO_PKG_VERSION_PRE"), env!("CARGO_MANIFEST_DIR")) } pub fn check_no_int_test_env() { env::var("CARGO_TARGET_DIR").unwrap_err(); } pub fn check_tmpdir(tmp: Option<&'static str>) { let tmpdir: PathBuf = tmp.unwrap().into(); let exe: PathBuf = env::current_exe().unwrap().into(); let mut expected: PathBuf = exe.parent().unwrap() .parent().unwrap() .parent().unwrap() .into(); expected.push("tmp"); assert_eq!(tmpdir, expected); // Check that CARGO_TARGET_TMPDIR isn't set for lib code assert!(option_env!("CARGO_TARGET_TMPDIR").is_none()); env::var("CARGO_TARGET_TMPDIR").unwrap_err(); // Verify CARGO_RUSTC_CURRENT_DIR is set for examples let workspace_dir = std::path::Path::new(option_env!("CARGO_RUSTC_CURRENT_DIR").expect("CARGO_RUSTC_CURRENT_DIR")); let file_path = workspace_dir.join(file!()); assert!(file_path.exists(), "{}", file_path.display()); } #[test] fn unit_env_cargo_target_tmpdir() { // Check that CARGO_TARGET_TMPDIR isn't set for unit tests assert!(option_env!("CARGO_TARGET_TMPDIR").is_none()); env::var("CARGO_TARGET_TMPDIR").unwrap_err(); } #[test] fn unit_env_cargo_rustc_current_dir() { let workspace_dir = std::path::Path::new(option_env!("CARGO_RUSTC_CURRENT_DIR").expect("CARGO_RUSTC_CURRENT_DIR")); let file_path = workspace_dir.join(file!()); assert!(file_path.exists(), "{}", file_path.display()); } "#, ) .file( "examples/ex-env-vars.rs", r#" static PKG_NAME: &'static str = env!("CARGO_PKG_NAME"); static BIN_NAME: &'static str = env!("CARGO_BIN_NAME"); static CRATE_NAME: &'static str = env!("CARGO_CRATE_NAME"); fn main() { assert_eq!("foo", PKG_NAME); assert_eq!("ex-env-vars", BIN_NAME); assert_eq!("ex_env_vars", CRATE_NAME); // Verify CARGO_TARGET_TMPDIR isn't set for examples assert!(option_env!("CARGO_TARGET_TMPDIR").is_none()); // Verify CARGO_RUSTC_CURRENT_DIR is set for examples let workspace_dir = std::path::Path::new(option_env!("CARGO_RUSTC_CURRENT_DIR").expect("CARGO_RUSTC_CURRENT_DIR")); let file_path = workspace_dir.join(file!()); assert!(file_path.exists(), "{}", file_path.display()); } "#, ) .file( "tests/env.rs", r#" #[test] fn integration_env_cargo_target_tmpdir() { foo::check_tmpdir(option_env!("CARGO_TARGET_TMPDIR")); } #[test] fn integration_env_cargo_rustc_current_dir() { let workspace_dir = std::path::Path::new(option_env!("CARGO_RUSTC_CURRENT_DIR").expect("CARGO_RUSTC_CURRENT_DIR")); let file_path = workspace_dir.join(file!()); assert!(file_path.exists(), "{}", file_path.display()); } "#, ); let p = if is_nightly() { p.file( "benches/env.rs", r#" #![feature(test)] extern crate test; use test::Bencher; #[bench] fn bench_env_cargo_target_tmpdir(_: &mut Bencher) { foo::check_tmpdir(option_env!("CARGO_TARGET_TMPDIR")); } #[test] fn bench_env_cargo_rustc_current_dir() { let workspace_dir = std::path::Path::new(option_env!("CARGO_RUSTC_CURRENT_DIR").expect("CARGO_RUSTC_CURRENT_DIR")); let file_path = workspace_dir.join(file!()); assert!(file_path.exists(), "{}", file_path.display()); } "#, ) .build() } else { p.build() }; println!("build"); p.cargo("build -v") .masquerade_as_nightly_cargo(&["CARGO_RUSTC_CURRENT_DIR"]) .run(); println!("bin"); p.process(&p.bin("foo-bar")) .with_stdout("0-5-1 @ alpha.1 in [CWD]") .run(); println!("example"); p.cargo("run --example ex-env-vars -v") .masquerade_as_nightly_cargo(&["CARGO_RUSTC_CURRENT_DIR"]) .run(); println!("test"); p.cargo("test -v") .masquerade_as_nightly_cargo(&["CARGO_RUSTC_CURRENT_DIR"]) .run(); if is_nightly() { println!("bench"); p.cargo("bench -v") .masquerade_as_nightly_cargo(&["CARGO_RUSTC_CURRENT_DIR"]) .run(); } } #[cargo_test] fn cargo_rustc_current_dir_foreign_workspace_dep() { let foo = project() .file( "Cargo.toml", r#" [workspace] [package] name = "foo" version = "0.0.1" authors = [] [dependencies] baz.path = "../baz" baz_member.path = "../baz/baz_member" "#, ) .file("src/lib.rs", "") .build(); let _baz = project() .at("baz") .file( "Cargo.toml", r#" [workspace] members = ["baz_member"] [package] name = "baz" version = "0.1.0" "#, ) .file("src/lib.rs", "") .file( "tests/env.rs", r#" use std::path::Path; #[test] fn baz_env() { let workspace_dir = Path::new(option_env!("CARGO_RUSTC_CURRENT_DIR").expect("CARGO_RUSTC_CURRENT_DIR")); let manifest_dir = Path::new(option_env!("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR")); let current_dir = std::env::current_dir().expect("current_dir"); let file_path = workspace_dir.join(file!()); assert!(file_path.exists(), "{}", file_path.display()); let workspace_dir = std::fs::canonicalize(current_dir.join(workspace_dir)).expect("CARGO_RUSTC_CURRENT_DIR"); let manifest_dir = std::fs::canonicalize(current_dir.join(manifest_dir)).expect("CARGO_MANIFEST_DIR"); assert_eq!(workspace_dir, manifest_dir); } "#, ) .file( "baz_member/Cargo.toml", r#" [package] name = "baz_member" version = "0.1.0" authors = [] "#, ) .file("baz_member/src/lib.rs", "") .file( "baz_member/tests/env.rs", r#" use std::path::Path; #[test] fn baz_member_env() { let workspace_dir = Path::new(option_env!("CARGO_RUSTC_CURRENT_DIR").expect("CARGO_RUSTC_CURRENT_DIR")); let file_path = workspace_dir.join(file!()); assert!(file_path.exists(), "{}", file_path.display()); } "#, ) .build(); // Verify it works from a different workspace foo.cargo("test -p baz") .masquerade_as_nightly_cargo(&["CARGO_RUSTC_CURRENT_DIR"]) .with_stdout_contains("running 1 test\ntest baz_env ... ok") .run(); foo.cargo("test -p baz_member") .masquerade_as_nightly_cargo(&["CARGO_RUSTC_CURRENT_DIR"]) .with_stdout_contains("running 1 test\ntest baz_member_env ... ok") .run(); } #[cargo_test] fn cargo_rustc_current_dir_non_local_dep() { Package::new("bar", "0.1.0") .file( "tests/bar_env.rs", r#" use std::path::Path; #[test] fn bar_env() { let workspace_dir = Path::new(option_env!("CARGO_RUSTC_CURRENT_DIR").expect("CARGO_RUSTC_CURRENT_DIR")); let manifest_dir = Path::new(option_env!("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR")); let current_dir = std::env::current_dir().expect("current_dir"); let file_path = workspace_dir.join(file!()); assert!(file_path.exists(), "{}", file_path.display()); let workspace_dir = std::fs::canonicalize(current_dir.join(workspace_dir)).expect("CARGO_RUSTC_CURRENT_DIR"); let manifest_dir = std::fs::canonicalize(current_dir.join(manifest_dir)).expect("CARGO_MANIFEST_DIR"); assert_eq!(workspace_dir, manifest_dir); } "#, ) .publish(); let p = project() .file("src/lib.rs", "") .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" [dependencies] bar = "0.1.0" "#, ) .build(); p.cargo("test -p bar") .masquerade_as_nightly_cargo(&["CARGO_RUSTC_CURRENT_DIR"]) .with_stdout_contains("running 1 test\ntest bar_env ... ok") .run(); } #[cargo_test] fn cargo_rustc_current_dir_is_not_stable() { if is_nightly() { return; } let p = project() .file( "tests/env.rs", r#" use std::path::Path; #[test] fn env() { assert_eq!(option_env!("CARGO_RUSTC_CURRENT_DIR"), None); } "#, ) .build(); p.cargo("test").run(); } #[cargo_test] fn crate_authors_env_vars() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.1-alpha.1" authors = ["wycats@example.com", "neikos@example.com"] "#, ) .file( "src/main.rs", r#" extern crate foo; static AUTHORS: &'static str = env!("CARGO_PKG_AUTHORS"); fn main() { let s = "wycats@example.com:neikos@example.com"; assert_eq!(AUTHORS, foo::authors()); println!("{}", AUTHORS); assert_eq!(s, AUTHORS); } "#, ) .file( "src/lib.rs", r#" pub fn authors() -> String { format!("{}", env!("CARGO_PKG_AUTHORS")) } "#, ) .build(); println!("build"); p.cargo("build -v").run(); println!("bin"); p.process(&p.bin("foo")) .with_stdout("wycats@example.com:neikos@example.com") .run(); println!("test"); p.cargo("test -v").run(); } #[cargo_test] fn vv_prints_rustc_env_vars() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = ["escape='\"@example.com"] "#, ) .file("src/main.rs", "fn main() {}") .build(); let mut b = p.cargo("build -vv"); if cfg!(windows) { b.with_stderr_contains( "[RUNNING] `[..]set CARGO_PKG_NAME=foo&& [..]rustc [..]`" ).with_stderr_contains( r#"[RUNNING] `[..]set CARGO_PKG_AUTHORS="escape='\"@example.com"&& [..]rustc [..]`"# ) } else { b.with_stderr_contains("[RUNNING] `[..]CARGO_PKG_NAME=foo [..]rustc [..]`") .with_stderr_contains( r#"[RUNNING] `[..]CARGO_PKG_AUTHORS='escape='\''"@example.com' [..]rustc [..]`"#, ) }; b.run(); } // The tester may already have LD_LIBRARY_PATH=::/foo/bar which leads to a false positive error fn setenv_for_removing_empty_component(mut execs: Execs) -> Execs { let v = dylib_path_envvar(); if let Ok(search_path) = env::var(v) { let new_search_path = env::join_paths(env::split_paths(&search_path).filter(|e| !e.as_os_str().is_empty())) .expect("join_paths"); execs.env(v, new_search_path); // build_command() will override LD_LIBRARY_PATH accordingly } execs } // Regression test for #4277 #[cargo_test] fn crate_library_path_env_var() { let p = project() .file( "src/main.rs", &format!( r#" fn main() {{ let search_path = env!("{}"); let paths = std::env::split_paths(&search_path).collect::>(); assert!(!paths.contains(&"".into())); }} "#, dylib_path_envvar() ), ) .build(); setenv_for_removing_empty_component(p.cargo("run")).run(); } // Regression test for #4277 #[cargo_test] fn build_with_fake_libc_not_loading() { let p = project() .file("src/main.rs", "fn main() {}") .file("src/lib.rs", r#" "#) .file("libc.so.6", r#""#) .build(); setenv_for_removing_empty_component(p.cargo("build")).run(); } // this is testing that src/.rs still works (for now) #[cargo_test] fn many_crate_types_old_style_lib_location() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [lib] name = "foo" crate_type = ["rlib", "dylib"] "#, ) .file("src/foo.rs", "pub fn foo() {}") .build(); p.cargo("build") .with_stderr_contains( "\ [WARNING] path `[..]src/foo.rs` was erroneously implicitly accepted for library `foo`, please rename the file to `src/lib.rs` or set lib.path in Cargo.toml", ) .run(); assert!(p.root().join("target/debug/libfoo.rlib").is_file()); let fname = format!("{}foo{}", env::consts::DLL_PREFIX, env::consts::DLL_SUFFIX); assert!(p.root().join("target/debug").join(&fname).is_file()); } #[cargo_test] fn many_crate_types_correct() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [lib] name = "foo" crate_type = ["rlib", "dylib"] "#, ) .file("src/lib.rs", "pub fn foo() {}") .build(); p.cargo("build").run(); assert!(p.root().join("target/debug/libfoo.rlib").is_file()); let fname = format!("{}foo{}", env::consts::DLL_PREFIX, env::consts::DLL_SUFFIX); assert!(p.root().join("target/debug").join(&fname).is_file()); } #[cargo_test] fn set_both_dylib_and_cdylib_crate_types() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [lib] name = "foo" crate_type = ["cdylib", "dylib"] "#, ) .file("src/lib.rs", "pub fn foo() {}") .build(); p.cargo("build") .with_status(101) .with_stderr( "\ error: failed to parse manifest at `[..]` Caused by: library `foo` cannot set the crate type of both `dylib` and `cdylib` ", ) .run(); } #[cargo_test] fn dev_dependencies_conflicting_warning() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" edition = "2018" [dev-dependencies] a = {path = "a"} [dev_dependencies] a = {path = "a"} "#, ) .file("src/lib.rs", "") .file( "a/Cargo.toml", r#" [package] name = "a" version = "0.0.1" "#, ) .file("a/src/lib.rs", "") .build(); p.cargo("build") .with_stderr_contains( "[WARNING] conflicting between `dev-dependencies` and `dev_dependencies` in the `foo` package.\n `dev_dependencies` is ignored and not recommended for use in the future" ) .run(); } #[cargo_test] fn build_dependencies_conflicting_warning() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" edition = "2018" [build-dependencies] a = {path = "a"} [build_dependencies] a = {path = "a"} "#, ) .file("src/lib.rs", "") .file( "a/Cargo.toml", r#" [package] name = "a" version = "0.0.1" "#, ) .file("a/src/lib.rs", "") .build(); p.cargo("build") .with_stderr_contains( "[WARNING] conflicting between `build-dependencies` and `build_dependencies` in the `foo` package.\n `build_dependencies` is ignored and not recommended for use in the future" ) .run(); } #[cargo_test] fn lib_crate_types_conflicting_warning() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [lib] name = "foo" crate-type = ["rlib", "dylib"] crate_type = ["staticlib", "dylib"] "#, ) .file("src/lib.rs", "pub fn foo() {}") .build(); p.cargo("build") .with_stderr_contains( "[WARNING] conflicting between `crate-type` and `crate_type` in the `foo` library target.\n `crate_type` is ignored and not recommended for use in the future", ) .run(); } #[cargo_test] fn examples_crate_types_conflicting_warning() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [[example]] name = "ex" path = "examples/ex.rs" crate-type = ["rlib", "dylib"] crate_type = ["proc_macro"] [[example]] name = "goodbye" path = "examples/ex-goodbye.rs" crate-type = ["rlib", "dylib"] crate_type = ["rlib", "staticlib"] "#, ) .file("src/lib.rs", "") .file( "examples/ex.rs", r#" fn main() { println!("ex"); } "#, ) .file( "examples/ex-goodbye.rs", r#" fn main() { println!("goodbye"); } "#, ) .build(); p.cargo("build") .with_stderr_contains( "\ [WARNING] conflicting between `crate-type` and `crate_type` in the `ex` example target.\n `crate_type` is ignored and not recommended for use in the future [WARNING] conflicting between `crate-type` and `crate_type` in the `goodbye` example target.\n `crate_type` is ignored and not recommended for use in the future", ) .run(); } #[cargo_test] fn self_dependency() { let p = project() .file( "Cargo.toml", r#" [package] name = "test" version = "0.0.0" authors = [] [dependencies.test] path = "." [lib] name = "test" path = "src/test.rs" "#, ) .file("src/test.rs", "fn main() {}") .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] cyclic package dependency: package `test v0.0.0 ([CWD])` depends on itself. Cycle: package `test v0.0.0 ([CWD])` ... which satisfies path dependency `test` of package `test v0.0.0 ([..])`", ) .run(); } #[cargo_test] /// Make sure broken and loop symlinks don't break the build /// /// This test requires you to be able to make symlinks. /// For windows, this may require you to enable developer mode. fn ignore_broken_symlinks() { if !symlink_supported() { return; } let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .symlink("Notafile", "bar") // To hit the symlink directory, we need a build script // to trigger a full scan of package files. .file("build.rs", &main_file(r#""build script""#, &[])) .symlink_dir("a/b", "a/b/c/d/foo") .build(); p.cargo("build") .with_stderr_contains( "[WARNING] File system loop found: [..]/a/b/c/d/foo points to an ancestor [..]/a/b", ) .run(); assert!(p.bin("foo").is_file()); p.process(&p.bin("foo")).with_stdout("i am foo\n").run(); } #[cargo_test] fn missing_lib_and_bin() { let p = project().build(); p.cargo("build") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]Cargo.toml` Caused by: no targets specified in the manifest either src/lib.rs, src/main.rs, a [lib] section, or [[bin]] section must be present\n", ) .run(); } #[cargo_test] fn lto_build() { let p = project() .file( "Cargo.toml", r#" [package] name = "test" version = "0.0.0" authors = [] [profile.release] lto = true "#, ) .file("src/main.rs", "fn main() {}") .build(); p.cargo("build -v --release") .with_stderr( "\ [COMPILING] test v0.0.0 ([CWD]) [RUNNING] `rustc --crate-name test src/main.rs [..]--crate-type bin \ --emit=[..]link \ -C opt-level=3 \ -C lto \ [..] [FINISHED] release [optimized] target(s) in [..] ", ) .run(); } #[cargo_test] fn verbose_build() { let p = project().file("src/lib.rs", "").build(); p.cargo("build -v") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [RUNNING] `rustc --crate-name foo src/lib.rs [..]--crate-type lib \ --emit=[..]link[..]-C debuginfo=2 [..]\ -C metadata=[..] \ --out-dir [..] \ -L dependency=[CWD]/target/debug/deps` [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn verbose_release_build() { let p = project().file("src/lib.rs", "").build(); p.cargo("build -v --release") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [RUNNING] `rustc --crate-name foo src/lib.rs [..]--crate-type lib \ --emit=[..]link[..]\ -C opt-level=3[..]\ -C metadata=[..] \ --out-dir [..] \ -L dependency=[CWD]/target/release/deps` [FINISHED] release [optimized] target(s) in [..] ", ) .run(); } #[cargo_test] fn verbose_release_build_short() { let p = project().file("src/lib.rs", "").build(); p.cargo("build -v -r") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [RUNNING] `rustc --crate-name foo src/lib.rs [..]--crate-type lib \ --emit=[..]link[..]\ -C opt-level=3[..]\ -C metadata=[..] \ --out-dir [..] \ -L dependency=[CWD]/target/release/deps` [FINISHED] release [optimized] target(s) in [..] ", ) .run(); } #[cargo_test] fn verbose_release_build_deps() { let p = project() .file( "Cargo.toml", r#" [package] name = "test" version = "0.0.0" authors = [] [dependencies.foo] path = "foo" "#, ) .file("src/lib.rs", "") .file( "foo/Cargo.toml", r#" [package] name = "foo" version = "0.0.0" authors = [] [lib] name = "foo" crate_type = ["dylib", "rlib"] "#, ) .file("foo/src/lib.rs", "") .build(); p.cargo("build -v --release") .with_stderr(&format!( "\ [COMPILING] foo v0.0.0 ([CWD]/foo) [RUNNING] `rustc --crate-name foo foo/src/lib.rs [..]\ --crate-type dylib --crate-type rlib \ --emit=[..]link \ -C prefer-dynamic[..]\ -C opt-level=3[..]\ -C metadata=[..] \ --out-dir [..] \ -L dependency=[CWD]/target/release/deps` [COMPILING] test v0.0.0 ([CWD]) [RUNNING] `rustc --crate-name test src/lib.rs [..]--crate-type lib \ --emit=[..]link[..]\ -C opt-level=3[..]\ -C metadata=[..] \ --out-dir [..] \ -L dependency=[CWD]/target/release/deps \ --extern foo=[CWD]/target/release/deps/{prefix}foo{suffix} \ --extern foo=[CWD]/target/release/deps/libfoo.rlib` [FINISHED] release [optimized] target(s) in [..] ", prefix = env::consts::DLL_PREFIX, suffix = env::consts::DLL_SUFFIX )) .run(); } #[cargo_test] fn explicit_examples() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.0.0" authors = [] [lib] name = "foo" path = "src/lib.rs" [[example]] name = "hello" path = "examples/ex-hello.rs" [[example]] name = "goodbye" path = "examples/ex-goodbye.rs" "#, ) .file( "src/lib.rs", r#" pub fn get_hello() -> &'static str { "Hello" } pub fn get_goodbye() -> &'static str { "Goodbye" } pub fn get_world() -> &'static str { "World" } "#, ) .file( "examples/ex-hello.rs", r#" extern crate foo; fn main() { println!("{}, {}!", foo::get_hello(), foo::get_world()); } "#, ) .file( "examples/ex-goodbye.rs", r#" extern crate foo; fn main() { println!("{}, {}!", foo::get_goodbye(), foo::get_world()); } "#, ) .build(); p.cargo("build --examples").run(); p.process(&p.bin("examples/hello")) .with_stdout("Hello, World!\n") .run(); p.process(&p.bin("examples/goodbye")) .with_stdout("Goodbye, World!\n") .run(); } #[cargo_test] fn non_existing_test() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.0.0" [lib] name = "foo" path = "src/lib.rs" [[test]] name = "hello" "#, ) .file("src/lib.rs", "") .build(); p.cargo("build --tests -v") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: can't find `hello` test at `tests/hello.rs` or `tests/hello/main.rs`. \ Please specify test.path if you want to use a non-default path.", ) .run(); } #[cargo_test] fn non_existing_example() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.0.0" [lib] name = "foo" path = "src/lib.rs" [[example]] name = "hello" "#, ) .file("src/lib.rs", "") .build(); p.cargo("build --examples -v") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: can't find `hello` example at `examples/hello.rs` or `examples/hello/main.rs`. \ Please specify example.path if you want to use a non-default path.", ) .run(); } #[cargo_test] fn non_existing_benchmark() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.0.0" [lib] name = "foo" path = "src/lib.rs" [[bench]] name = "hello" "#, ) .file("src/lib.rs", "") .build(); p.cargo("build --benches -v") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: can't find `hello` bench at `benches/hello.rs` or `benches/hello/main.rs`. \ Please specify bench.path if you want to use a non-default path.", ) .run(); } #[cargo_test] fn non_existing_binary() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/lib.rs", "") .file("src/bin/ehlo.rs", "") .build(); p.cargo("build -v") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: can't find `foo` bin at `src/bin/foo.rs` or `src/bin/foo/main.rs`. \ Please specify bin.path if you want to use a non-default path.", ) .run(); } #[cargo_test] fn commonly_wrong_path_of_test() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.0.0" [lib] name = "foo" path = "src/lib.rs" [[test]] name = "foo" "#, ) .file("src/lib.rs", "") .file("test/foo.rs", "") .build(); p.cargo("build --tests -v") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: can't find `foo` test at default paths, but found a file at `test/foo.rs`. Perhaps rename the file to `tests/foo.rs` for target auto-discovery, \ or specify test.path if you want to use a non-default path.", ) .run(); } #[cargo_test] fn commonly_wrong_path_of_example() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.0.0" [lib] name = "foo" path = "src/lib.rs" [[example]] name = "foo" "#, ) .file("src/lib.rs", "") .file("example/foo.rs", "") .build(); p.cargo("build --examples -v") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: can't find `foo` example at default paths, but found a file at `example/foo.rs`. Perhaps rename the file to `examples/foo.rs` for target auto-discovery, \ or specify example.path if you want to use a non-default path.", ) .run(); } #[cargo_test] fn commonly_wrong_path_of_benchmark() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.0.0" [lib] name = "foo" path = "src/lib.rs" [[bench]] name = "foo" "#, ) .file("src/lib.rs", "") .file("bench/foo.rs", "") .build(); p.cargo("build --benches -v") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: can't find `foo` bench at default paths, but found a file at `bench/foo.rs`. Perhaps rename the file to `benches/foo.rs` for target auto-discovery, \ or specify bench.path if you want to use a non-default path.", ) .run(); } #[cargo_test] fn commonly_wrong_path_binary() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/lib.rs", "") .file("src/bins/foo.rs", "") .build(); p.cargo("build -v") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: can't find `foo` bin at default paths, but found a file at `src/bins/foo.rs`. Perhaps rename the file to `src/bin/foo.rs` for target auto-discovery, \ or specify bin.path if you want to use a non-default path.", ) .run(); } #[cargo_test] fn commonly_wrong_path_subdir_binary() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/lib.rs", "") .file("src/bins/foo/main.rs", "") .build(); p.cargo("build -v") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: can't find `foo` bin at default paths, but found a file at `src/bins/foo/main.rs`. Perhaps rename the file to `src/bin/foo/main.rs` for target auto-discovery, \ or specify bin.path if you want to use a non-default path.", ) .run(); } #[cargo_test] fn found_multiple_target_files() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/lib.rs", "") .file("src/bin/foo.rs", "") .file("src/bin/foo/main.rs", "") .build(); p.cargo("build -v") .with_status(101) // Don't assert the inferred paths since the order is non-deterministic. .with_stderr( "\ [ERROR] failed to parse manifest at `[..]` Caused by: cannot infer path for `foo` bin Cargo doesn't know which to use because multiple target files found \ at `src/bin/foo[..].rs` and `src/bin/foo[..].rs`.", ) .run(); } #[cargo_test] fn legacy_binary_paths_warnings() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.0.0" authors = [] [[bin]] name = "bar" "#, ) .file("src/lib.rs", "") .file("src/main.rs", "fn main() {}") .build(); p.cargo("build -v") .with_stderr_contains( "\ [WARNING] path `[..]src/main.rs` was erroneously implicitly accepted for binary `bar`, please set bin.path in Cargo.toml", ) .run(); let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.0.0" authors = [] [[bin]] name = "bar" "#, ) .file("src/lib.rs", "") .file("src/bin/main.rs", "fn main() {}") .build(); p.cargo("build -v") .with_stderr_contains( "\ [WARNING] path `[..]src/bin/main.rs` was erroneously implicitly accepted for binary `bar`, please set bin.path in Cargo.toml", ) .run(); let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.0.0" authors = [] [[bin]] name = "bar" "#, ) .file("src/bar.rs", "fn main() {}") .build(); p.cargo("build -v") .with_stderr_contains( "\ [WARNING] path `[..]src/bar.rs` was erroneously implicitly accepted for binary `bar`, please set bin.path in Cargo.toml", ) .run(); } #[cargo_test] fn implicit_examples() { let p = project() .file( "src/lib.rs", r#" pub fn get_hello() -> &'static str { "Hello" } pub fn get_goodbye() -> &'static str { "Goodbye" } pub fn get_world() -> &'static str { "World" } "#, ) .file( "examples/hello.rs", r#" extern crate foo; fn main() { println!("{}, {}!", foo::get_hello(), foo::get_world()); } "#, ) .file( "examples/goodbye.rs", r#" extern crate foo; fn main() { println!("{}, {}!", foo::get_goodbye(), foo::get_world()); } "#, ) .build(); p.cargo("build --examples").run(); p.process(&p.bin("examples/hello")) .with_stdout("Hello, World!\n") .run(); p.process(&p.bin("examples/goodbye")) .with_stdout("Goodbye, World!\n") .run(); } #[cargo_test] fn standard_build_no_ndebug() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file( "src/foo.rs", r#" fn main() { if cfg!(debug_assertions) { println!("slow") } else { println!("fast") } } "#, ) .build(); p.cargo("build").run(); p.process(&p.bin("foo")).with_stdout("slow\n").run(); } #[cargo_test] fn release_build_ndebug() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file( "src/foo.rs", r#" fn main() { if cfg!(debug_assertions) { println!("slow") } else { println!("fast") } } "#, ) .build(); p.cargo("build --release").run(); p.process(&p.release_bin("foo")).with_stdout("fast\n").run(); } #[cargo_test] fn inferred_main_bin() { let p = project().file("src/main.rs", "fn main() {}").build(); p.cargo("build").run(); p.process(&p.bin("foo")).run(); } #[cargo_test] fn deletion_causes_failure() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] path = "bar" "#, ) .file("src/main.rs", "extern crate bar; fn main() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1")) .file("bar/src/lib.rs", "") .build(); p.cargo("build").run(); p.change_file("Cargo.toml", &basic_manifest("foo", "0.0.1")); p.cargo("build") .with_status(101) .with_stderr_contains("[..]can't find crate for `bar`") .run(); } #[cargo_test] fn bad_cargo_toml_in_target_dir() { let p = project() .file("src/main.rs", "fn main() {}") .file("target/Cargo.toml", "bad-toml") .build(); p.cargo("build").run(); p.process(&p.bin("foo")).run(); } #[cargo_test] fn lib_with_standard_name() { let p = project() .file("Cargo.toml", &basic_manifest("syntax", "0.0.1")) .file("src/lib.rs", "pub fn foo() {}") .file( "src/main.rs", "extern crate syntax; fn main() { syntax::foo() }", ) .build(); p.cargo("build") .with_stderr( "\ [COMPILING] syntax v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn simple_staticlib() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.1" [lib] name = "foo" crate-type = ["staticlib"] "#, ) .file("src/lib.rs", "pub fn foo() {}") .build(); // env var is a test for #1381 p.cargo("build").env("CARGO_LOG", "nekoneko=trace").run(); } #[cargo_test] fn staticlib_rlib_and_bin() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.1" [lib] name = "foo" crate-type = ["staticlib", "rlib"] "#, ) .file("src/lib.rs", "pub fn foo() {}") .file("src/main.rs", "extern crate foo; fn main() { foo::foo(); }") .build(); p.cargo("build -v").run(); } #[cargo_test] fn opt_out_of_bin() { let p = project() .file( "Cargo.toml", r#" bin = [] [package] name = "foo" authors = [] version = "0.0.1" "#, ) .file("src/lib.rs", "") .file("src/main.rs", "bad syntax") .build(); p.cargo("build").run(); } #[cargo_test] fn single_lib() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.1" [lib] name = "foo" path = "src/bar.rs" "#, ) .file("src/bar.rs", "") .build(); p.cargo("build").run(); } #[cargo_test] fn freshness_ignores_excluded() { let foo = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.0" authors = [] build = "build.rs" exclude = ["src/b*.rs"] "#, ) .file("build.rs", "fn main() {}") .file("src/lib.rs", "pub fn bar() -> i32 { 1 }") .build(); foo.root().move_into_the_past(); foo.cargo("build") .with_stderr( "\ [COMPILING] foo v0.0.0 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); // Smoke test to make sure it doesn't compile again println!("first pass"); foo.cargo("build").with_stderr("[FINISHED] [..]").run(); // Modify an ignored file and make sure we don't rebuild println!("second pass"); foo.change_file("src/bar.rs", ""); foo.cargo("build").with_stderr("[FINISHED] [..]").run(); } #[cargo_test] fn rebuild_preserves_out_dir() { let foo = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.0" authors = [] build = 'build.rs' "#, ) .file( "build.rs", r#" use std::env; use std::fs::File; use std::path::Path; fn main() { let path = Path::new(&env::var("OUT_DIR").unwrap()).join("foo"); if env::var_os("FIRST").is_some() { File::create(&path).unwrap(); } else { File::create(&path).unwrap(); } } "#, ) .file("src/lib.rs", "pub fn bar() -> i32 { 1 }") .build(); foo.root().move_into_the_past(); foo.cargo("build") .env("FIRST", "1") .with_stderr( "\ [COMPILING] foo v0.0.0 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); foo.change_file("src/bar.rs", ""); foo.cargo("build") .with_stderr( "\ [COMPILING] foo v0.0.0 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn dep_no_libs() { let foo = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.0" authors = [] [dependencies.bar] path = "bar" "#, ) .file("src/lib.rs", "pub fn bar() -> i32 { 1 }") .file("bar/Cargo.toml", &basic_manifest("bar", "0.0.0")) .file("bar/src/main.rs", "") .build(); foo.cargo("build").run(); } #[cargo_test] fn recompile_space_in_name() { let foo = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.0" authors = [] [lib] name = "foo" path = "src/my lib.rs" "#, ) .file("src/my lib.rs", "") .build(); foo.cargo("build").run(); foo.root().move_into_the_past(); foo.cargo("build").with_stderr("[FINISHED] [..]").run(); } #[cfg(unix)] #[cargo_test] fn credentials_is_unreadable() { use cargo_test_support::paths::home; use std::os::unix::prelude::*; let p = project() .file("Cargo.toml", &basic_manifest("foo", "0.1.0")) .file("src/lib.rs", "") .build(); let credentials = home().join(".cargo/credentials.toml"); t!(fs::create_dir_all(credentials.parent().unwrap())); t!(fs::write( &credentials, r#" [registry] token = "api-token" "# )); let stat = fs::metadata(credentials.as_path()).unwrap(); let mut perms = stat.permissions(); perms.set_mode(0o000); fs::set_permissions(credentials, perms).unwrap(); p.cargo("build").run(); } #[cfg(unix)] #[cargo_test] fn ignore_bad_directories() { use std::os::unix::prelude::*; let foo = project() .file("Cargo.toml", &basic_manifest("foo", "0.0.0")) .file("src/lib.rs", "") .build(); let dir = foo.root().join("tmp"); fs::create_dir(&dir).unwrap(); let stat = fs::metadata(&dir).unwrap(); let mut perms = stat.permissions(); perms.set_mode(0o644); fs::set_permissions(&dir, perms.clone()).unwrap(); foo.cargo("build").run(); perms.set_mode(0o755); fs::set_permissions(&dir, perms).unwrap(); } #[cargo_test] fn bad_cargo_config() { let foo = project() .file("Cargo.toml", &basic_manifest("foo", "0.0.0")) .file("src/lib.rs", "") .file(".cargo/config.toml", "this is not valid toml") .build(); foo.cargo("build -v") .with_status(101) .with_stderr( "\ [ERROR] could not load Cargo configuration Caused by: could not parse TOML configuration in `[..]` Caused by: TOML parse error at line 1, column 6 | 1 | this is not valid toml | ^ expected `.`, `=` ", ) .run(); } #[cargo_test] fn cargo_platform_specific_dependency() { let host = rustc_host(); let p = project() .file( "Cargo.toml", &format!( r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] build = "build.rs" [target.{host}.dependencies] dep = {{ path = "dep" }} [target.{host}.build-dependencies] build = {{ path = "build" }} [target.{host}.dev-dependencies] dev = {{ path = "dev" }} "#, host = host ), ) .file("src/main.rs", "extern crate dep; fn main() { dep::dep() }") .file( "tests/foo.rs", "extern crate dev; #[test] fn foo() { dev::dev() }", ) .file( "build.rs", "extern crate build; fn main() { build::build(); }", ) .file("dep/Cargo.toml", &basic_manifest("dep", "0.5.0")) .file("dep/src/lib.rs", "pub fn dep() {}") .file("build/Cargo.toml", &basic_manifest("build", "0.5.0")) .file("build/src/lib.rs", "pub fn build() {}") .file("dev/Cargo.toml", &basic_manifest("dev", "0.5.0")) .file("dev/src/lib.rs", "pub fn dev() {}") .build(); p.cargo("build").run(); assert!(p.bin("foo").is_file()); p.cargo("test").run(); } #[cargo_test] fn cargo_platform_specific_dependency_build_dependencies_conflicting_warning() { let host = rustc_host(); let p = project() .file( "Cargo.toml", &format!( r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] build = "build.rs" [target.{host}.build-dependencies] build = {{ path = "build" }} [target.{host}.build_dependencies] build = {{ path = "build" }} "#, host = host ), ) .file("src/main.rs", "fn main() { }") .file( "build.rs", "extern crate build; fn main() { build::build(); }", ) .file("build/Cargo.toml", &basic_manifest("build", "0.5.0")) .file("build/src/lib.rs", "pub fn build() {}") .build(); p.cargo("build") .with_stderr_contains( format!("[WARNING] conflicting between `build-dependencies` and `build_dependencies` in the `{}` platform target.\n `build_dependencies` is ignored and not recommended for use in the future", host) ) .run(); assert!(p.bin("foo").is_file()); } #[cargo_test] fn cargo_platform_specific_dependency_dev_dependencies_conflicting_warning() { let host = rustc_host(); let p = project() .file( "Cargo.toml", &format!( r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [target.{host}.dev-dependencies] dev = {{ path = "dev" }} [target.{host}.dev_dependencies] dev = {{ path = "dev" }} "#, host = host ), ) .file("src/main.rs", "fn main() { }") .file( "tests/foo.rs", "extern crate dev; #[test] fn foo() { dev::dev() }", ) .file("dev/Cargo.toml", &basic_manifest("dev", "0.5.0")) .file("dev/src/lib.rs", "pub fn dev() {}") .build(); p.cargo("build") .with_stderr_contains( format!("[WARNING] conflicting between `dev-dependencies` and `dev_dependencies` in the `{}` platform target.\n `dev_dependencies` is ignored and not recommended for use in the future", host) ) .run(); assert!(p.bin("foo").is_file()); p.cargo("test").run(); } #[cargo_test] fn bad_platform_specific_dependency() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [target.wrong-target.dependencies.bar] path = "bar" "#, ) .file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"])) .file("bar/Cargo.toml", &basic_manifest("bar", "0.5.0")) .file( "bar/src/lib.rs", r#"pub fn gimme() -> String { format!("") }"#, ) .build(); p.cargo("build") .with_status(101) .with_stderr_contains("[..]can't find crate for `bar`") .run(); } #[cargo_test] fn cargo_platform_specific_dependency_wrong_platform() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [target.non-existing-triplet.dependencies.bar] path = "bar" "#, ) .file("src/main.rs", "fn main() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.5.0")) .file( "bar/src/lib.rs", "invalid rust file, should not be compiled", ) .build(); p.cargo("build").run(); assert!(p.bin("foo").is_file()); p.process(&p.bin("foo")).run(); let lockfile = p.read_lockfile(); assert!(lockfile.contains("bar")); } #[cargo_test] fn example_as_lib() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [[example]] name = "ex" crate-type = ["lib"] "#, ) .file("src/lib.rs", "") .file("examples/ex.rs", "") .build(); p.cargo("build --example=ex").run(); assert!(p.example_lib("ex", "lib").is_file()); } #[cargo_test] fn example_as_rlib() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [[example]] name = "ex" crate-type = ["rlib"] "#, ) .file("src/lib.rs", "") .file("examples/ex.rs", "") .build(); p.cargo("build --example=ex").run(); assert!(p.example_lib("ex", "rlib").is_file()); } #[cargo_test] fn example_as_dylib() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [[example]] name = "ex" crate-type = ["dylib"] "#, ) .file("src/lib.rs", "") .file("examples/ex.rs", "") .build(); p.cargo("build --example=ex").run(); assert!(p.example_lib("ex", "dylib").is_file()); } #[cargo_test] fn example_as_proc_macro() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [[example]] name = "ex" crate-type = ["proc-macro"] "#, ) .file("src/lib.rs", "") .file( "examples/ex.rs", r#" extern crate proc_macro; use proc_macro::TokenStream; #[proc_macro] pub fn eat(_item: TokenStream) -> TokenStream { "".parse().unwrap() } "#, ) .build(); p.cargo("build --example=ex").run(); assert!(p.example_lib("ex", "proc-macro").is_file()); } #[cargo_test] fn example_bin_same_name() { let p = project() .file("src/main.rs", "fn main() {}") .file("examples/foo.rs", "fn main() {}") .build(); p.cargo("build --examples").run(); assert!(!p.bin("foo").is_file()); // We expect a file of the form bin/foo-{metadata_hash} assert!(p.bin("examples/foo").is_file()); p.cargo("build --examples").run(); assert!(!p.bin("foo").is_file()); // We expect a file of the form bin/foo-{metadata_hash} assert!(p.bin("examples/foo").is_file()); } #[cargo_test] fn compile_then_delete() { let p = project().file("src/main.rs", "fn main() {}").build(); p.cargo("run -v").run(); assert!(p.bin("foo").is_file()); if cfg!(windows) { // On windows unlinking immediately after running often fails, so sleep sleep_ms(100); } fs::remove_file(&p.bin("foo")).unwrap(); p.cargo("run -v").run(); } #[cargo_test] fn transitive_dependencies_not_available() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.aaaaa] path = "a" "#, ) .file( "src/main.rs", "extern crate bbbbb; extern crate aaaaa; fn main() {}", ) .file( "a/Cargo.toml", r#" [package] name = "aaaaa" version = "0.0.1" authors = [] [dependencies.bbbbb] path = "../b" "#, ) .file("a/src/lib.rs", "extern crate bbbbb;") .file("b/Cargo.toml", &basic_manifest("bbbbb", "0.0.1")) .file("b/src/lib.rs", "") .build(); p.cargo("build -v") .with_status(101) .with_stderr_contains("[..] can't find crate for `bbbbb`[..]") .run(); } #[cargo_test] fn cyclic_deps_rejected() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.a] path = "a" "#, ) .file("src/lib.rs", "") .file( "a/Cargo.toml", r#" [package] name = "a" version = "0.0.1" authors = [] [dependencies.foo] path = ".." "#, ) .file("a/src/lib.rs", "") .build(); p.cargo("build -v") .with_status(101) .with_stderr( "[ERROR] cyclic package dependency: package `a v0.0.1 ([CWD]/a)` depends on itself. Cycle: package `a v0.0.1 ([CWD]/a)` ... which satisfies path dependency `a` of package `foo v0.0.1 ([CWD])` ... which satisfies path dependency `foo` of package `a v0.0.1 ([..])`", ).run(); } #[cargo_test] fn predictable_filenames() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [lib] name = "foo" crate-type = ["dylib", "rlib"] "#, ) .file("src/lib.rs", "") .build(); p.cargo("build -v").run(); assert!(p.root().join("target/debug/libfoo.rlib").is_file()); let dylib_name = format!("{}foo{}", env::consts::DLL_PREFIX, env::consts::DLL_SUFFIX); assert!(p.root().join("target/debug").join(dylib_name).is_file()); } #[cargo_test] fn dashes_to_underscores() { let p = project() .file("Cargo.toml", &basic_manifest("foo-bar", "0.0.1")) .file("src/lib.rs", "") .file("src/main.rs", "extern crate foo_bar; fn main() {}") .build(); p.cargo("build -v").run(); assert!(p.bin("foo-bar").is_file()); } #[cargo_test] fn dashes_in_crate_name_bad() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [lib] name = "foo-bar" "#, ) .file("src/lib.rs", "") .file("src/main.rs", "extern crate foo_bar; fn main() {}") .build(); p.cargo("build -v") .with_status(101) .with_stderr( "\ [ERROR] failed to parse manifest at `[..]/foo/Cargo.toml` Caused by: library target names cannot contain hyphens: foo-bar ", ) .run(); } #[cargo_test] fn rustc_env_var() { let p = project().file("src/lib.rs", "").build(); p.cargo("build -v") .env("RUSTC", "rustc-that-does-not-exist") .with_status(101) .with_stderr( "\ [ERROR] could not execute process `rustc-that-does-not-exist -vV` ([..]) Caused by: [..] ", ) .run(); assert!(!p.bin("a").is_file()); } #[cargo_test] fn filtering() { let p = project() .file("src/lib.rs", "") .file("src/bin/a.rs", "fn main() {}") .file("src/bin/b.rs", "fn main() {}") .file("examples/a.rs", "fn main() {}") .file("examples/b.rs", "fn main() {}") .build(); p.cargo("build --lib").run(); assert!(!p.bin("a").is_file()); p.cargo("build --bin=a --example=a").run(); assert!(p.bin("a").is_file()); assert!(!p.bin("b").is_file()); assert!(p.bin("examples/a").is_file()); assert!(!p.bin("examples/b").is_file()); } #[cargo_test] fn filtering_implicit_bins() { let p = project() .file("src/lib.rs", "") .file("src/bin/a.rs", "fn main() {}") .file("src/bin/b.rs", "fn main() {}") .file("examples/a.rs", "fn main() {}") .file("examples/b.rs", "fn main() {}") .build(); p.cargo("build --bins").run(); assert!(p.bin("a").is_file()); assert!(p.bin("b").is_file()); assert!(!p.bin("examples/a").is_file()); assert!(!p.bin("examples/b").is_file()); } #[cargo_test] fn filtering_implicit_examples() { let p = project() .file("src/lib.rs", "") .file("src/bin/a.rs", "fn main() {}") .file("src/bin/b.rs", "fn main() {}") .file("examples/a.rs", "fn main() {}") .file("examples/b.rs", "fn main() {}") .build(); p.cargo("build --examples").run(); assert!(!p.bin("a").is_file()); assert!(!p.bin("b").is_file()); assert!(p.bin("examples/a").is_file()); assert!(p.bin("examples/b").is_file()); } #[cargo_test] fn ignore_dotfile() { let p = project() .file("src/bin/.a.rs", "") .file("src/bin/a.rs", "fn main() {}") .build(); p.cargo("build").run(); } #[cargo_test] fn ignore_dotdirs() { let p = project() .file("src/bin/a.rs", "fn main() {}") .file(".git/Cargo.toml", "") .file(".pc/dummy-fix.patch/Cargo.toml", "") .build(); p.cargo("build").run(); } #[cargo_test] fn dotdir_root() { let p = ProjectBuilder::new(root().join(".foo")) .file("src/bin/a.rs", "fn main() {}") .build(); p.cargo("build").run(); } #[cargo_test] fn custom_target_dir_env() { let p = project().file("src/main.rs", "fn main() {}").build(); let exe_name = format!("foo{}", env::consts::EXE_SUFFIX); p.cargo("build").env("CARGO_TARGET_DIR", "foo/target").run(); assert!(p.root().join("foo/target/debug").join(&exe_name).is_file()); assert!(!p.root().join("target/debug").join(&exe_name).is_file()); p.cargo("build").run(); assert!(p.root().join("foo/target/debug").join(&exe_name).is_file()); assert!(p.root().join("target/debug").join(&exe_name).is_file()); p.cargo("build") .env("CARGO_BUILD_TARGET_DIR", "foo2/target") .run(); assert!(p.root().join("foo2/target/debug").join(&exe_name).is_file()); p.change_file( ".cargo/config.toml", r#" [build] target-dir = "foo/target" "#, ); p.cargo("build").env("CARGO_TARGET_DIR", "bar/target").run(); assert!(p.root().join("bar/target/debug").join(&exe_name).is_file()); assert!(p.root().join("foo/target/debug").join(&exe_name).is_file()); assert!(p.root().join("target/debug").join(&exe_name).is_file()); } #[cargo_test] fn custom_target_dir_line_parameter() { let p = project().file("src/main.rs", "fn main() {}").build(); let exe_name = format!("foo{}", env::consts::EXE_SUFFIX); p.cargo("build --target-dir foo/target").run(); assert!(p.root().join("foo/target/debug").join(&exe_name).is_file()); assert!(!p.root().join("target/debug").join(&exe_name).is_file()); p.cargo("build").run(); assert!(p.root().join("foo/target/debug").join(&exe_name).is_file()); assert!(p.root().join("target/debug").join(&exe_name).is_file()); p.change_file( ".cargo/config.toml", r#" [build] target-dir = "foo/target" "#, ); p.cargo("build --target-dir bar/target").run(); assert!(p.root().join("bar/target/debug").join(&exe_name).is_file()); assert!(p.root().join("foo/target/debug").join(&exe_name).is_file()); assert!(p.root().join("target/debug").join(&exe_name).is_file()); p.cargo("build --target-dir foobar/target") .env("CARGO_TARGET_DIR", "bar/target") .run(); assert!(p .root() .join("foobar/target/debug") .join(&exe_name) .is_file()); assert!(p.root().join("bar/target/debug").join(&exe_name).is_file()); assert!(p.root().join("foo/target/debug").join(&exe_name).is_file()); assert!(p.root().join("target/debug").join(&exe_name).is_file()); } #[cargo_test] fn build_multiple_packages() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.d1] path = "d1" [dependencies.d2] path = "d2" [[bin]] name = "foo" "#, ) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .file("d1/Cargo.toml", &basic_bin_manifest("d1")) .file("d1/src/lib.rs", "") .file("d1/src/main.rs", "fn main() { println!(\"d1\"); }") .file( "d2/Cargo.toml", r#" [package] name = "d2" version = "0.0.1" authors = [] [[bin]] name = "d2" doctest = false "#, ) .file("d2/src/main.rs", "fn main() { println!(\"d2\"); }") .build(); p.cargo("build -p d1 -p d2 -p foo").run(); assert!(p.bin("foo").is_file()); p.process(&p.bin("foo")).with_stdout("i am foo\n").run(); let d1_path = &p .build_dir() .join("debug") .join(format!("d1{}", env::consts::EXE_SUFFIX)); let d2_path = &p .build_dir() .join("debug") .join(format!("d2{}", env::consts::EXE_SUFFIX)); assert!(d1_path.is_file()); p.process(d1_path).with_stdout("d1").run(); assert!(d2_path.is_file()); p.process(d2_path).with_stdout("d2").run(); } #[cargo_test] fn invalid_spec() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.d1] path = "d1" [[bin]] name = "foo" "#, ) .file("src/bin/foo.rs", &main_file(r#""i am foo""#, &[])) .file("d1/Cargo.toml", &basic_bin_manifest("d1")) .file("d1/src/lib.rs", "") .file("d1/src/main.rs", "fn main() { println!(\"d1\"); }") .build(); p.cargo("build -p notAValidDep") .with_status(101) .with_stderr("[ERROR] package ID specification `notAValidDep` did not match any packages") .run(); p.cargo("build -p d1 -p notAValidDep") .with_status(101) .with_stderr("[ERROR] package ID specification `notAValidDep` did not match any packages") .run(); } #[cargo_test] fn manifest_with_bom_is_ok() { let p = project() .file( "Cargo.toml", "\u{FEFF} [package] name = \"foo\" version = \"0.0.1\" authors = [] ", ) .file("src/lib.rs", "") .build(); p.cargo("build -v").run(); } #[cargo_test] fn panic_abort_compiles_with_panic_abort() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [profile.dev] panic = 'abort' "#, ) .file("src/lib.rs", "") .build(); p.cargo("build -v") .with_stderr_contains("[..] -C panic=abort [..]") .run(); } #[cargo_test] fn compiler_json_error_format() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.5.0" authors = ["wycats@example.com"] [dependencies.bar] path = "bar" "#, ) .file( "build.rs", "fn main() { println!(\"cargo::rustc-cfg=xyz\") }", ) .file("src/main.rs", "fn main() { let unused = 92; }") .file("bar/Cargo.toml", &basic_manifest("bar", "0.5.0")) .file("bar/src/lib.rs", r#"fn dead() {}"#) .build(); let output = |fresh| { r#" { "reason":"compiler-artifact", "package_id":"path+file:///[..]/foo#0.5.0", "manifest_path": "[..]", "target":{ "kind":["custom-build"], "crate_types":["bin"], "doc": false, "doctest": false, "edition": "2015", "name":"build-script-build", "src_path":"[..]build.rs", "test": false }, "profile": { "debug_assertions": true, "debuginfo": 0, "opt_level": "0", "overflow_checks": true, "test": false }, "executable": null, "features": [], "filenames": "{...}", "fresh": $FRESH } { "reason":"compiler-message", "package_id":"path+file:///[..]/bar#0.5.0", "manifest_path": "[..]", "target":{ "kind":["lib"], "crate_types":["lib"], "doc": true, "doctest": true, "edition": "2015", "name":"bar", "src_path":"[..]lib.rs", "test": true }, "message":"{...}" } { "reason":"compiler-artifact", "profile": { "debug_assertions": true, "debuginfo": 2, "opt_level": "0", "overflow_checks": true, "test": false }, "executable": null, "features": [], "package_id":"path+file:///[..]/bar#0.5.0", "manifest_path": "[..]", "target":{ "kind":["lib"], "crate_types":["lib"], "doc": true, "doctest": true, "edition": "2015", "name":"bar", "src_path":"[..]lib.rs", "test": true }, "filenames":[ "[..].rlib", "[..].rmeta" ], "fresh": $FRESH } { "reason":"build-script-executed", "package_id":"path+file:///[..]/foo#0.5.0", "linked_libs":[], "linked_paths":[], "env":[], "cfgs":["xyz"], "out_dir": "[..]target/debug/build/foo-[..]/out" } { "reason":"compiler-message", "package_id":"path+file:///[..]/foo#0.5.0", "manifest_path": "[..]", "target":{ "kind":["bin"], "crate_types":["bin"], "doc": true, "doctest": false, "edition": "2015", "name":"foo", "src_path":"[..]main.rs", "test": true }, "message":"{...}" } { "reason":"compiler-artifact", "package_id":"path+file:///[..]/foo#0.5.0", "manifest_path": "[..]", "target":{ "kind":["bin"], "crate_types":["bin"], "doc": true, "doctest": false, "edition": "2015", "name":"foo", "src_path":"[..]main.rs", "test": true }, "profile": { "debug_assertions": true, "debuginfo": 2, "opt_level": "0", "overflow_checks": true, "test": false }, "executable": "[..]/foo/target/debug/foo[EXE]", "features": [], "filenames": "{...}", "fresh": $FRESH } {"reason": "build-finished", "success": true} "# .replace("$FRESH", fresh) }; // Use `jobs=1` to ensure that the order of messages is consistent. p.cargo("build -v --message-format=json --jobs=1") .with_json_contains_unordered(&output("false")) .run(); // With fresh build, we should repeat the artifacts, // and replay the cached compiler warnings. p.cargo("build -v --message-format=json --jobs=1") .with_json_contains_unordered(&output("true")) .run(); } #[cargo_test] fn wrong_message_format_option() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/main.rs", "fn main() {}") .build(); p.cargo("build --message-format XML") .with_status(101) .with_stderr_contains( "\ error: invalid message format specifier: `xml` ", ) .run(); } #[cargo_test] fn message_format_json_forward_stderr() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/main.rs", "fn main() { let unused = 0; }") .build(); p.cargo("rustc --release --bin foo --message-format JSON") .with_json_contains_unordered( r#" { "reason":"compiler-message", "package_id":"path+file:///[..]/foo#0.5.0", "manifest_path": "[..]", "target":{ "kind":["bin"], "crate_types":["bin"], "doc": true, "doctest": false, "edition": "2015", "name":"foo", "src_path":"[..]", "test": true }, "message":"{...}" } { "reason":"compiler-artifact", "package_id":"path+file:///[..]/foo#0.5.0", "manifest_path": "[..]", "target":{ "kind":["bin"], "crate_types":["bin"], "doc": true, "doctest": false, "edition": "2015", "name":"foo", "src_path":"[..]", "test": true }, "profile":{ "debug_assertions":false, "debuginfo":0, "opt_level":"3", "overflow_checks": false, "test":false }, "executable": "{...}", "features":[], "filenames": "{...}", "fresh": false } {"reason": "build-finished", "success": true} "#, ) .run(); } #[cargo_test] fn no_warn_about_package_metadata() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [package.metadata] foo = "bar" a = true b = 3 [package.metadata.another] bar = 3 "#, ) .file("src/lib.rs", "") .build(); p.cargo("build") .with_stderr( "[..] foo v0.0.1 ([..])\n\ [FINISHED] dev [unoptimized + debuginfo] target(s) in [..]\n", ) .run(); } #[cargo_test] fn no_warn_about_workspace_metadata() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["foo"] [workspace.metadata] something = "something_else" x = 1 y = 2 [workspace.metadata.another] bar = 12 "#, ) .file( "foo/Cargo.toml", r#" [package] name = "foo" version = "0.0.1" "#, ) .file("foo/src/lib.rs", "") .build(); p.cargo("build") .with_stderr( "[..] foo v0.0.1 ([..])\n\ [FINISHED] dev [unoptimized + debuginfo] target(s) in [..]\n", ) .run(); } #[cargo_test] fn cargo_build_empty_target() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/main.rs", "fn main() {}") .build(); p.cargo("build --target") .arg("") .with_status(101) .with_stderr_contains("[..] target was empty") .run(); } #[cargo_test] fn cargo_build_with_unsupported_short_target_flag() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/main.rs", "fn main() {}") .build(); p.cargo("build -t") .arg("") .with_stderr( "\ error: unexpected argument '-t' found tip: a similar argument exists: '--target' Usage: cargo[EXE] build [OPTIONS] For more information, try '--help'. ", ) .with_status(1) .run(); } #[cargo_test] fn build_all_workspace() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] bar = { path = "bar" } [workspace] "#, ) .file("src/main.rs", "fn main() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .build(); p.cargo("build --workspace") .with_stderr( "\ [COMPILING] bar v0.1.0 ([..]) [COMPILING] foo v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn build_all_exclude() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [workspace] members = ["bar", "baz"] "#, ) .file("src/main.rs", "fn main() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() { break_the_build(); }") .build(); p.cargo("build --workspace --exclude baz") .with_stderr_does_not_contain("[COMPILING] baz v0.1.0 [..]") .with_stderr_unordered( "\ [COMPILING] foo v0.1.0 ([..]) [COMPILING] bar v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn cargo_build_with_unsupported_short_exclude_flag() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [workspace] members = ["bar", "baz"] "#, ) .file("src/main.rs", "fn main() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() { break_the_build(); }") .build(); p.cargo("build --workspace -x baz") .with_stderr( "\ error: unexpected argument '-x' found tip: a similar argument exists: '--exclude' Usage: cargo[EXE] build [OPTIONS] For more information, try '--help'. ", ) .with_status(1) .run(); } #[cargo_test] fn build_all_exclude_not_found() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [workspace] members = ["bar"] "#, ) .file("src/main.rs", "fn main() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .build(); p.cargo("build --workspace --exclude baz") .with_stderr_does_not_contain("[COMPILING] baz v0.1.0 [..]") .with_stderr_unordered( "\ [WARNING] excluded package(s) `baz` not found in workspace [..] [COMPILING] foo v0.1.0 ([..]) [COMPILING] bar v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn build_all_exclude_glob() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [workspace] members = ["bar", "baz"] "#, ) .file("src/main.rs", "fn main() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() { break_the_build(); }") .build(); p.cargo("build --workspace --exclude '*z'") .with_stderr_does_not_contain("[COMPILING] baz v0.1.0 [..]") .with_stderr_unordered( "\ [COMPILING] foo v0.1.0 ([..]) [COMPILING] bar v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn build_all_exclude_glob_not_found() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [workspace] members = ["bar"] "#, ) .file("src/main.rs", "fn main() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .build(); p.cargo("build --workspace --exclude '*z'") .with_stderr_does_not_contain("[COMPILING] baz v0.1.0 [..]") .with_stderr( "\ [WARNING] excluded package pattern(s) `*z` not found in workspace [..] [COMPILING] [..] v0.1.0 ([..]) [COMPILING] [..] v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn build_all_exclude_broken_glob() { let p = project().file("src/main.rs", "fn main() {}").build(); p.cargo("build --workspace --exclude '[*z'") .with_status(101) .with_stderr_contains("[ERROR] cannot build glob pattern from `[*z`") .run(); } #[cargo_test] fn build_all_workspace_implicit_examples() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] bar = { path = "bar" } [workspace] "#, ) .file("src/lib.rs", "") .file("src/bin/a.rs", "fn main() {}") .file("src/bin/b.rs", "fn main() {}") .file("examples/c.rs", "fn main() {}") .file("examples/d.rs", "fn main() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "") .file("bar/src/bin/e.rs", "fn main() {}") .file("bar/src/bin/f.rs", "fn main() {}") .file("bar/examples/g.rs", "fn main() {}") .file("bar/examples/h.rs", "fn main() {}") .build(); p.cargo("build --workspace --examples") .with_stderr( "[..] Compiling bar v0.1.0 ([..])\n\ [..] Compiling foo v0.1.0 ([..])\n\ [..] Finished dev [unoptimized + debuginfo] target(s) in [..]\n", ) .run(); assert!(!p.bin("a").is_file()); assert!(!p.bin("b").is_file()); assert!(p.bin("examples/c").is_file()); assert!(p.bin("examples/d").is_file()); assert!(!p.bin("e").is_file()); assert!(!p.bin("f").is_file()); assert!(p.bin("examples/g").is_file()); assert!(p.bin("examples/h").is_file()); } #[cargo_test] fn build_all_virtual_manifest() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar", "baz"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() {}") .build(); // The order in which bar and baz are built is not guaranteed p.cargo("build --workspace") .with_stderr_unordered( "\ [COMPILING] baz v0.1.0 ([..]) [COMPILING] bar v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn build_virtual_manifest_all_implied() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar", "baz"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() {}") .build(); // The order in which `bar` and `baz` are built is not guaranteed. p.cargo("build") .with_stderr_unordered( "\ [COMPILING] baz v0.1.0 ([..]) [COMPILING] bar v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn build_virtual_manifest_one_project() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar", "baz"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() { break_the_build(); }") .build(); p.cargo("build -p bar") .with_stderr_does_not_contain("[..]baz[..]") .with_stderr( "\ [COMPILING] bar v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn build_virtual_manifest_glob() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar", "baz"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() { break_the_build(); }") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() {}") .build(); p.cargo("build -p '*z'") .with_stderr_does_not_contain("[..]bar[..]") .with_stderr( "\ [COMPILING] baz v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); } #[cargo_test] fn build_virtual_manifest_glob_not_found() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .build(); p.cargo("build -p bar -p '*z'") .with_status(101) .with_stderr("[ERROR] package pattern(s) `*z` not found in workspace [..]") .run(); } #[cargo_test] fn build_virtual_manifest_broken_glob() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .build(); p.cargo("build -p '[*z'") .with_status(101) .with_stderr_contains("[ERROR] cannot build glob pattern from `[*z`") .run(); } #[cargo_test] fn build_all_virtual_manifest_implicit_examples() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar", "baz"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "") .file("bar/src/bin/a.rs", "fn main() {}") .file("bar/src/bin/b.rs", "fn main() {}") .file("bar/examples/c.rs", "fn main() {}") .file("bar/examples/d.rs", "fn main() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "") .file("baz/src/bin/e.rs", "fn main() {}") .file("baz/src/bin/f.rs", "fn main() {}") .file("baz/examples/g.rs", "fn main() {}") .file("baz/examples/h.rs", "fn main() {}") .build(); // The order in which bar and baz are built is not guaranteed p.cargo("build --workspace --examples") .with_stderr_unordered( "\ [COMPILING] baz v0.1.0 ([..]) [COMPILING] bar v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] ", ) .run(); assert!(!p.bin("a").is_file()); assert!(!p.bin("b").is_file()); assert!(p.bin("examples/c").is_file()); assert!(p.bin("examples/d").is_file()); assert!(!p.bin("e").is_file()); assert!(!p.bin("f").is_file()); assert!(p.bin("examples/g").is_file()); assert!(p.bin("examples/h").is_file()); } #[cargo_test] fn build_all_member_dependency_same_name() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["a"] "#, ) .file( "a/Cargo.toml", r#" [package] name = "a" version = "0.1.0" [dependencies] a = "0.1.0" "#, ) .file("a/src/lib.rs", "pub fn a() {}") .build(); Package::new("a", "0.1.0").publish(); p.cargo("build --workspace") .with_stderr( "[UPDATING] `[..]` index\n\ [DOWNLOADING] crates ...\n\ [DOWNLOADED] a v0.1.0 ([..])\n\ [COMPILING] a v0.1.0\n\ [COMPILING] a v0.1.0 ([..])\n\ [FINISHED] dev [unoptimized + debuginfo] target(s) in [..]\n", ) .run(); } #[cargo_test] fn run_proper_binary() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.0" [[bin]] name = "main" [[bin]] name = "other" "#, ) .file("src/lib.rs", "") .file( "src/bin/main.rs", r#"fn main() { panic!("This should never be run."); }"#, ) .file("src/bin/other.rs", "fn main() {}") .build(); p.cargo("run --bin other").run(); } #[cargo_test] fn run_proper_binary_main_rs() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/lib.rs", "") .file("src/bin/main.rs", "fn main() {}") .build(); p.cargo("run --bin foo").run(); } #[cargo_test] fn run_proper_alias_binary_from_src() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.0" [[bin]] name = "foo" [[bin]] name = "bar" "#, ) .file("src/foo.rs", r#"fn main() { println!("foo"); }"#) .file("src/bar.rs", r#"fn main() { println!("bar"); }"#) .build(); p.cargo("build --workspace").run(); p.process(&p.bin("foo")).with_stdout("foo\n").run(); p.process(&p.bin("bar")).with_stdout("bar\n").run(); } #[cargo_test] fn run_proper_alias_binary_main_rs() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.0" [[bin]] name = "foo" [[bin]] name = "bar" "#, ) .file("src/main.rs", r#"fn main() { println!("main"); }"#) .build(); p.cargo("build --workspace").run(); p.process(&p.bin("foo")).with_stdout("main\n").run(); p.process(&p.bin("bar")).with_stdout("main\n").run(); } #[cargo_test] fn run_proper_binary_main_rs_as_foo() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file( "src/foo.rs", r#" fn main() { panic!("This should never be run."); }"#, ) .file("src/main.rs", "fn main() {}") .build(); p.cargo("run --bin foo").run(); } #[cargo_test] fn rustc_wrapper() { let p = project().file("src/lib.rs", "").build(); let wrapper = tools::echo_wrapper(); let running = format!( "[RUNNING] `{} rustc --crate-name foo [..]", wrapper.display() ); p.cargo("build -v") .env("RUSTC_WRAPPER", &wrapper) .with_stderr_contains(&running) .run(); p.build_dir().rm_rf(); p.cargo("build -v") .env("RUSTC_WORKSPACE_WRAPPER", &wrapper) .with_stderr_contains(&running) .run(); } #[cargo_test] fn rustc_wrapper_relative() { Package::new("bar", "1.0.0").publish(); let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] bar = "1.0" "#, ) .file("src/lib.rs", "") .build(); let wrapper = tools::echo_wrapper(); let exe_name = wrapper.file_name().unwrap().to_str().unwrap(); let relative_path = format!("./{}", exe_name); fs::hard_link(&wrapper, p.root().join(exe_name)).unwrap(); let running = format!("[RUNNING] `[ROOT]/foo/./{} rustc[..]", exe_name); p.cargo("build -v") .env("RUSTC_WRAPPER", &relative_path) .with_stderr_contains(&running) .run(); p.build_dir().rm_rf(); p.cargo("build -v") .env("RUSTC_WORKSPACE_WRAPPER", &relative_path) .with_stderr_contains(&running) .run(); p.build_dir().rm_rf(); p.change_file( ".cargo/config.toml", &format!( r#" build.rustc-wrapper = "./{}" "#, exe_name ), ); p.cargo("build -v").with_stderr_contains(&running).run(); } #[cargo_test] fn rustc_wrapper_from_path() { let p = project().file("src/lib.rs", "").build(); p.cargo("build -v") .env("RUSTC_WRAPPER", "wannabe_sccache") .with_status(101) .with_stderr_contains("[..]`wannabe_sccache rustc [..]") .run(); p.build_dir().rm_rf(); p.cargo("build -v") .env("RUSTC_WORKSPACE_WRAPPER", "wannabe_sccache") .with_status(101) .with_stderr_contains("[..]`wannabe_sccache rustc [..]") .run(); } #[cargo_test] fn cdylib_not_lifted() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.1.0" [lib] crate-type = ["cdylib"] "#, ) .file("src/lib.rs", "") .build(); p.cargo("build").run(); let files = if cfg!(windows) { if cfg!(target_env = "msvc") { vec!["foo.dll.lib", "foo.dll.exp", "foo.dll"] } else { vec!["libfoo.dll.a", "foo.dll"] } } else if cfg!(target_os = "macos") { vec!["libfoo.dylib"] } else { vec!["libfoo.so"] }; for file in files { println!("checking: {}", file); assert!(p.root().join("target/debug/deps").join(&file).is_file()); } } #[cargo_test] fn cdylib_final_outputs() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo-bar" authors = [] version = "0.1.0" [lib] crate-type = ["cdylib"] "#, ) .file("src/lib.rs", "") .build(); p.cargo("build").run(); let files = if cfg!(windows) { if cfg!(target_env = "msvc") { vec!["foo_bar.dll.lib", "foo_bar.dll"] } else { vec!["foo_bar.dll", "libfoo_bar.dll.a"] } } else if cfg!(target_os = "macos") { vec!["libfoo_bar.dylib"] } else { vec!["libfoo_bar.so"] }; for file in files { println!("checking: {}", file); assert!(p.root().join("target/debug").join(&file).is_file()); } } #[cargo_test] // NOTE: Windows MSVC and wasm32-unknown-emscripten do not use metadata. Skip them. // See #[cfg(not(all(target_os = "windows", target_env = "msvc")))] fn no_dep_info_collision_when_cdylib_and_bin_coexist() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.0.0" [lib] crate-type = ["cdylib"] "#, ) .file("src/main.rs", "fn main() {}") .file("src/lib.rs", "") .build(); p.cargo("build -v") .with_stderr_unordered( "\ [COMPILING] foo v1.0.0 ([CWD]) [RUNNING] `rustc [..] --crate-type bin [..] -C metadata=[..]` [RUNNING] `rustc [..] --crate-type cdylib [..] -C metadata=[..]` [FINISHED] [..] ", ) .run(); let deps_dir = p.target_debug_dir().join("deps"); assert!(deps_dir.join("foo.d").exists()); let dep_info_count = deps_dir .read_dir() .unwrap() .filter(|e| { let filename = e.as_ref().unwrap().file_name(); let filename = filename.to_str().unwrap(); filename.starts_with("foo") && filename.ends_with(".d") }) .count(); // cdylib -> foo.d // bin -> foo-.d assert_eq!(dep_info_count, 2); } #[cargo_test] fn deterministic_cfg_flags() { // This bug is non-deterministic. let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" authors = [] build = "build.rs" [features] default = ["f_a", "f_b", "f_c", "f_d"] f_a = [] f_b = [] f_c = [] f_d = [] "#, ) .file( "build.rs", r#" fn main() { println!("cargo::rustc-cfg=cfg_a"); println!("cargo::rustc-cfg=cfg_b"); println!("cargo::rustc-cfg=cfg_c"); println!("cargo::rustc-cfg=cfg_d"); println!("cargo::rustc-cfg=cfg_e"); } "#, ) .file("src/main.rs", "fn main() {}") .build(); p.cargo("build -v") .with_stderr( "\ [COMPILING] foo v0.1.0 [..] [RUNNING] [..] [RUNNING] [..] [RUNNING] `rustc --crate-name foo [..] \ --cfg[..]default[..]--cfg[..]f_a[..]--cfg[..]f_b[..]\ --cfg[..]f_c[..]--cfg[..]f_d[..] \ --cfg cfg_a --cfg cfg_b --cfg cfg_c --cfg cfg_d --cfg cfg_e` [FINISHED] dev [unoptimized + debuginfo] target(s) in [..]", ) .run(); } #[cargo_test] fn explicit_bins_without_paths() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" authors = [] [[bin]] name = "foo" [[bin]] name = "bar" "#, ) .file("src/lib.rs", "") .file("src/main.rs", "fn main() {}") .file("src/bin/bar.rs", "fn main() {}") .build(); p.cargo("build").run(); } #[cargo_test] fn no_bin_in_src_with_lib() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/lib.rs", "") .file("src/foo.rs", "fn main() {}") .build(); p.cargo("build") .with_status(101) .with_stderr_contains( "\ [ERROR] failed to parse manifest at `[..]` Caused by: can't find `foo` bin at `src/bin/foo.rs` or `src/bin/foo/main.rs`. [..]", ) .run(); } #[cargo_test] fn inferred_bins() { let p = project() .file("src/main.rs", "fn main() {}") .file("src/bin/bar.rs", "fn main() {}") .file("src/bin/baz/main.rs", "fn main() {}") .build(); p.cargo("build").run(); assert!(p.bin("foo").is_file()); assert!(p.bin("bar").is_file()); assert!(p.bin("baz").is_file()); } #[cargo_test] fn inferred_bins_duplicate_name() { // this should fail, because we have two binaries with the same name let p = project() .file("src/main.rs", "fn main() {}") .file("src/bin/bar.rs", "fn main() {}") .file("src/bin/bar/main.rs", "fn main() {}") .build(); p.cargo("build").with_status(101).with_stderr_contains( "[..]found duplicate binary name bar, but all binary targets must have a unique name[..]", ) .run(); } #[cargo_test] fn inferred_bin_path() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" authors = [] [[bin]] name = "bar" # Note, no `path` key! "#, ) .file("src/bin/bar/main.rs", "fn main() {}") .build(); p.cargo("build").run(); assert!(p.bin("bar").is_file()); } #[cargo_test] fn inferred_examples() { let p = project() .file("src/lib.rs", "fn main() {}") .file("examples/bar.rs", "fn main() {}") .file("examples/baz/main.rs", "fn main() {}") .build(); p.cargo("build --examples").run(); assert!(p.bin("examples/bar").is_file()); assert!(p.bin("examples/baz").is_file()); } #[cargo_test] fn inferred_tests() { let p = project() .file("src/lib.rs", "fn main() {}") .file("tests/bar.rs", "fn main() {}") .file("tests/baz/main.rs", "fn main() {}") .build(); p.cargo("test --test=bar --test=baz").run(); } #[cargo_test] fn inferred_benchmarks() { let p = project() .file("src/lib.rs", "fn main() {}") .file("benches/bar.rs", "fn main() {}") .file("benches/baz/main.rs", "fn main() {}") .build(); p.cargo("bench --bench=bar --bench=baz").run(); } #[cargo_test] fn no_infer_dirs() { let p = project() .file("src/lib.rs", "fn main() {}") .file("examples/dir.rs/dummy", "") .file("benches/dir.rs/dummy", "") .file("tests/dir.rs/dummy", "") .build(); p.cargo("build --examples --benches --tests").run(); // should not fail with "is a directory" } #[cargo_test] fn target_edition() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" [lib] edition = "2018" "#, ) .file("src/lib.rs", "") .build(); p.cargo("build -v") .with_stderr_contains( "\ [COMPILING] foo v0.0.1 ([..]) [RUNNING] `rustc [..]--edition=2018 [..] ", ) .run(); } #[cargo_test] fn target_edition_override() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] edition = "2018" [lib] edition = "2015" "#, ) .file( "src/lib.rs", " pub fn async() {} pub fn try() {} pub fn await() {} ", ) .build(); p.cargo("build -v").run(); } #[cargo_test] fn same_metadata_different_directory() { // A top-level crate built in two different workspaces should have the // same metadata hash. let p = project() .at("foo1") .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .build(); let output = t!(String::from_utf8( t!(p.cargo("build -v").exec_with_output()).stderr, )); let metadata = output .split_whitespace() .find(|arg| arg.starts_with("metadata=")) .unwrap(); let p = project() .at("foo2") .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .build(); p.cargo("build -v") .with_stderr_contains(format!("[..]{}[..]", metadata)) .run(); } #[cargo_test] fn building_a_dependent_crate_without_bin_should_fail() { Package::new("testless", "0.1.0") .file( "Cargo.toml", r#" [package] name = "testless" version = "0.1.0" [[bin]] name = "a_bin" "#, ) .file("src/lib.rs", "") .publish(); let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] testless = "0.1.0" "#, ) .file("src/lib.rs", "") .build(); p.cargo("build") .with_status(101) .with_stderr_contains( "[..]can't find `a_bin` bin at `src/bin/a_bin.rs` or `src/bin/a_bin/main.rs`[..]", ) .run(); } #[cargo_test] #[cfg(any(target_os = "macos", target_os = "ios"))] fn uplift_dsym_of_bin_on_mac() { let p = project() .file("src/main.rs", "fn main() { panic!(); }") .file("src/bin/b.rs", "fn main() { panic!(); }") .file("examples/c.rs", "fn main() { panic!(); }") .file("tests/d.rs", "fn main() { panic!(); }") .build(); p.cargo("build --bins --examples --tests") .enable_mac_dsym() .run(); assert!(p.target_debug_dir().join("foo.dSYM").is_dir()); assert!(p.target_debug_dir().join("b.dSYM").is_dir()); assert!(p.target_debug_dir().join("b.dSYM").is_symlink()); assert!(p.target_debug_dir().join("examples/c.dSYM").is_dir()); assert!(!p.target_debug_dir().join("c.dSYM").exists()); assert!(!p.target_debug_dir().join("d.dSYM").exists()); } #[cargo_test] #[cfg(any(target_os = "macos", target_os = "ios"))] fn uplift_dsym_of_bin_on_mac_when_broken_link_exists() { let p = project() .file("src/main.rs", "fn main() { panic!(); }") .build(); let dsym = p.target_debug_dir().join("foo.dSYM"); p.cargo("build").enable_mac_dsym().run(); assert!(dsym.is_dir()); // Simulate the situation where the underlying dSYM bundle goes missing // but the uplifted symlink to it remains. This would previously cause // builds to permanently fail until the bad symlink was manually removed. dsym.rm_rf(); p.symlink( p.target_debug_dir() .join("deps") .join("foo-baaaaaadbaaaaaad.dSYM"), &dsym, ); assert!(dsym.is_symlink()); assert!(!dsym.exists()); p.cargo("build").enable_mac_dsym().run(); assert!(dsym.is_dir()); } #[cargo_test] #[cfg(all(target_os = "windows", target_env = "msvc"))] fn uplift_pdb_of_bin_on_windows() { let p = project() .file("src/main.rs", "fn main() { panic!(); }") .file("src/bin/b.rs", "fn main() { panic!(); }") .file("src/bin/foo-bar.rs", "fn main() { panic!(); }") .file("examples/c.rs", "fn main() { panic!(); }") .file("tests/d.rs", "fn main() { panic!(); }") .build(); p.cargo("build --bins --examples --tests").run(); assert!(p.target_debug_dir().join("foo.pdb").is_file()); assert!(p.target_debug_dir().join("b.pdb").is_file()); assert!(p.target_debug_dir().join("examples/c.pdb").exists()); assert!(p.target_debug_dir().join("foo-bar.exe").is_file()); assert!(p.target_debug_dir().join("foo_bar.pdb").is_file()); assert!(!p.target_debug_dir().join("c.pdb").exists()); assert!(!p.target_debug_dir().join("d.pdb").exists()); } #[cargo_test] #[cfg(target_os = "linux")] fn uplift_dwp_of_bin_on_linux() { let p = project() .file("src/main.rs", "fn main() { panic!(); }") .file("src/bin/b.rs", "fn main() { panic!(); }") .file("src/bin/foo-bar.rs", "fn main() { panic!(); }") .file("examples/c.rs", "fn main() { panic!(); }") .file("tests/d.rs", "fn main() { panic!(); }") .build(); p.cargo("build --bins --examples --tests") .enable_split_debuginfo_packed() .run(); assert!(p.target_debug_dir().join("foo.dwp").is_file()); assert!(p.target_debug_dir().join("b.dwp").is_file()); assert!(p.target_debug_dir().join("examples/c.dwp").exists()); assert!(p.target_debug_dir().join("foo-bar").is_file()); assert!(p.target_debug_dir().join("foo-bar.dwp").is_file()); assert!(!p.target_debug_dir().join("c.dwp").exists()); assert!(!p.target_debug_dir().join("d.dwp").exists()); } // Ensure that `cargo build` chooses the correct profile for building // targets based on filters (assuming `--profile` is not specified). #[cargo_test] fn build_filter_infer_profile() { let p = project() .file("src/lib.rs", "") .file("src/main.rs", "fn main() {}") .file("tests/t1.rs", "") .file("benches/b1.rs", "") .file("examples/ex1.rs", "fn main() {}") .build(); p.cargo("build -v") .with_stderr_contains( "[RUNNING] `rustc --crate-name foo src/lib.rs [..]--crate-type lib \ --emit=[..]link[..]", ) .with_stderr_contains( "[RUNNING] `rustc --crate-name foo src/main.rs [..]--crate-type bin \ --emit=[..]link[..]", ) .run(); p.root().join("target").rm_rf(); p.cargo("build -v --test=t1") .with_stderr_contains( "[RUNNING] `rustc --crate-name foo src/lib.rs [..]--crate-type lib \ --emit=[..]link[..]-C debuginfo=2 [..]", ) .with_stderr_contains( "[RUNNING] `rustc --crate-name t1 tests/t1.rs [..]--emit=[..]link[..]\ -C debuginfo=2 [..]", ) .with_stderr_contains( "[RUNNING] `rustc --crate-name foo src/main.rs [..]--crate-type bin \ --emit=[..]link[..]-C debuginfo=2 [..]", ) .run(); p.root().join("target").rm_rf(); // Bench uses test profile without `--release`. p.cargo("build -v --bench=b1") .with_stderr_contains( "[RUNNING] `rustc --crate-name foo src/lib.rs [..]--crate-type lib \ --emit=[..]link[..]-C debuginfo=2 [..]", ) .with_stderr_contains( "[RUNNING] `rustc --crate-name b1 benches/b1.rs [..]--emit=[..]link[..]\ -C debuginfo=2 [..]", ) .with_stderr_does_not_contain("opt-level") .with_stderr_contains( "[RUNNING] `rustc --crate-name foo src/main.rs [..]--crate-type bin \ --emit=[..]link[..]-C debuginfo=2 [..]", ) .run(); } #[cargo_test] fn targets_selected_default() { let p = project().file("src/main.rs", "fn main() {}").build(); p.cargo("build -v") // Binaries. .with_stderr_contains( "[RUNNING] `rustc --crate-name foo src/main.rs [..]--crate-type bin \ --emit=[..]link[..]", ) // Benchmarks. .with_stderr_does_not_contain( "[RUNNING] `rustc --crate-name foo src/main.rs [..]--emit=[..]link \ -C opt-level=3 --test [..]", ) // Unit tests. .with_stderr_does_not_contain( "[RUNNING] `rustc --crate-name foo src/main.rs [..]--emit=[..]link[..]\ -C debuginfo=2 --test [..]", ) .run(); } #[cargo_test] fn targets_selected_all() { let p = project().file("src/main.rs", "fn main() {}").build(); p.cargo("build -v --all-targets") // Binaries. .with_stderr_contains( "[RUNNING] `rustc --crate-name foo src/main.rs [..]--crate-type bin \ --emit=[..]link[..]", ) // Unit tests. .with_stderr_contains( "[RUNNING] `rustc --crate-name foo src/main.rs [..]--emit=[..]link[..]\ -C debuginfo=2 [..]--test [..]", ) .run(); } #[cargo_test] fn all_targets_no_lib() { let p = project().file("src/main.rs", "fn main() {}").build(); p.cargo("build -v --all-targets") // Binaries. .with_stderr_contains( "[RUNNING] `rustc --crate-name foo src/main.rs [..]--crate-type bin \ --emit=[..]link[..]", ) // Unit tests. .with_stderr_contains( "[RUNNING] `rustc --crate-name foo src/main.rs [..]--emit=[..]link[..]\ -C debuginfo=2 [..]--test [..]", ) .run(); } #[cargo_test] fn no_linkable_target() { // Issue 3169: this is currently not an error as per discussion in PR #4797. let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" authors = [] [dependencies] the_lib = { path = "the_lib" } "#, ) .file("src/main.rs", "fn main() {}") .file( "the_lib/Cargo.toml", r#" [package] name = "the_lib" version = "0.1.0" [lib] name = "the_lib" crate-type = ["staticlib"] "#, ) .file("the_lib/src/lib.rs", "pub fn foo() {}") .build(); p.cargo("build") .with_stderr_contains( "[WARNING] The package `the_lib` provides no linkable [..] \ while compiling `foo`. [..] in `the_lib`'s Cargo.toml. [..]", ) .run(); } #[cargo_test] fn avoid_dev_deps() { Package::new("foo", "1.0.0").publish(); let p = project() .file( "Cargo.toml", r#" [package] name = "bar" version = "0.1.0" authors = [] [dev-dependencies] baz = "1.0.0" "#, ) .file("src/main.rs", "fn main() {}") .build(); p.cargo("build") .with_status(101) .with_stderr( "\ [UPDATING] [..] [ERROR] no matching package named `baz` found location searched: registry `crates-io` required by package `bar v0.1.0 ([..]/foo)` ", ) .run(); p.cargo("build -Zavoid-dev-deps") .masquerade_as_nightly_cargo(&["avoid-dev-deps"]) .run(); } #[cargo_test] fn default_cargo_config_jobs() { let p = project() .file("src/lib.rs", "") .file( ".cargo/config.toml", r#" [build] jobs = 1 "#, ) .build(); p.cargo("build -v").run(); } #[cargo_test] fn good_cargo_config_jobs() { let p = project() .file("src/lib.rs", "") .file( ".cargo/config.toml", r#" [build] jobs = 4 "#, ) .build(); p.cargo("build -v").run(); } #[cargo_test] fn good_jobs() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .build(); p.cargo("build --jobs 1").run(); p.cargo("build --jobs -1").run(); p.cargo("build --jobs default").run(); } #[cargo_test] fn invalid_cargo_config_jobs() { let p = project() .file("src/lib.rs", "") .file( ".cargo/config.toml", r#" [build] jobs = 0 "#, ) .build(); p.cargo("build -v") .with_status(101) .with_stderr_contains("error: jobs may not be 0") .run(); } #[cargo_test] fn invalid_jobs() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .build(); p.cargo("build --jobs 0") .with_status(101) .with_stderr_contains("error: jobs may not be 0") .run(); p.cargo("build --jobs over9000") .with_status(101) .with_stderr("error: could not parse `over9000`. Number of parallel jobs should be `default` or a number.") .run(); } #[cargo_test] fn target_filters_workspace() { let ws = project() .at("ws") .file( "Cargo.toml", r#" [workspace] members = ["a", "b"] "#, ) .file("a/Cargo.toml", &basic_lib_manifest("a")) .file("a/src/lib.rs", "") .file("a/examples/ex1.rs", "fn main() {}") .file("b/Cargo.toml", &basic_bin_manifest("b")) .file("b/src/lib.rs", "") .file("b/src/main.rs", "fn main() {}") .build(); ws.cargo("build -v --example ex") .with_status(101) .with_stderr( "\ [ERROR] no example target named `ex` Did you mean `ex1`?", ) .run(); ws.cargo("build -v --example 'ex??'") .with_status(101) .with_stderr( "\ [ERROR] no example target matches pattern `ex??` Did you mean `ex1`?", ) .run(); ws.cargo("build -v --lib") .with_stderr_contains("[RUNNING] `rustc [..]a/src/lib.rs[..]") .with_stderr_contains("[RUNNING] `rustc [..]b/src/lib.rs[..]") .run(); ws.cargo("build -v --example ex1") .with_stderr_contains("[RUNNING] `rustc [..]a/examples/ex1.rs[..]") .run(); } #[cargo_test] fn target_filters_workspace_not_found() { let ws = project() .at("ws") .file( "Cargo.toml", r#" [workspace] members = ["a", "b"] "#, ) .file("a/Cargo.toml", &basic_bin_manifest("a")) .file("a/src/main.rs", "fn main() {}") .file("b/Cargo.toml", &basic_bin_manifest("b")) .file("b/src/main.rs", "fn main() {}") .build(); ws.cargo("build -v --lib") .with_status(101) .with_stderr("[ERROR] no library targets found in packages: a, b") .run(); } #[cfg(unix)] #[cargo_test] fn signal_display() { // Cause the compiler to crash with a signal. let foo = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] pm = { path = "pm" } "#, ) .file( "src/lib.rs", r#" #[macro_use] extern crate pm; #[derive(Foo)] pub struct S; "#, ) .file( "pm/Cargo.toml", r#" [package] name = "pm" version = "0.1.0" [lib] proc-macro = true "#, ) .file( "pm/src/lib.rs", r#" extern crate proc_macro; use proc_macro::TokenStream; #[proc_macro_derive(Foo)] pub fn derive(_input: TokenStream) -> TokenStream { std::process::abort() } "#, ) .build(); foo.cargo("build") .with_stderr( "\ [COMPILING] pm [..] [COMPILING] foo [..] [ERROR] could not compile `foo` [..] Caused by: process didn't exit successfully: `rustc [..]` (signal: 6, SIGABRT: process abort signal) ", ) .with_status(101) .run(); } #[cargo_test] fn tricky_pipelining() { let foo = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] bar = { path = "bar" } "#, ) .file("src/lib.rs", "extern crate bar;") .file("bar/Cargo.toml", &basic_lib_manifest("bar")) .file("bar/src/lib.rs", "") .build(); foo.cargo("build -p bar").run(); foo.cargo("build -p foo").run(); } #[cargo_test] fn pipelining_works() { let foo = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] bar = { path = "bar" } "#, ) .file("src/lib.rs", "extern crate bar;") .file("bar/Cargo.toml", &basic_lib_manifest("bar")) .file("bar/src/lib.rs", "") .build(); foo.cargo("build") .with_stdout("") .with_stderr( "\ [COMPILING] [..] [COMPILING] [..] [FINISHED] [..] ", ) .run(); } #[cargo_test] fn pipelining_big_graph() { // Create a crate graph of the form {a,b}{0..29}, where {a,b}(n) depend on {a,b}(n+1) // Then have `foo`, a binary crate, depend on the whole thing. let mut project = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] a1 = { path = "a1" } b1 = { path = "b1" } "#, ) .file("src/main.rs", "fn main(){}"); for n in 0..30 { for x in &["a", "b"] { project = project .file( &format!("{x}{n}/Cargo.toml", x = x, n = n), &format!( r#" [package] name = "{x}{n}" version = "0.1.0" [dependencies] a{np1} = {{ path = "../a{np1}" }} b{np1} = {{ path = "../b{np1}" }} "#, x = x, n = n, np1 = n + 1 ), ) .file(&format!("{x}{n}/src/lib.rs", x = x, n = n), ""); } } let foo = project .file("a30/Cargo.toml", &basic_lib_manifest("a30")) .file( "a30/src/lib.rs", r#"compile_error!("don't actually build me");"#, ) .file("b30/Cargo.toml", &basic_lib_manifest("b30")) .file("b30/src/lib.rs", "") .build(); foo.cargo("build -p foo") .with_status(101) .with_stderr_contains("[ERROR] could not compile `a30`[..]") .run(); } #[cargo_test] fn forward_rustc_output() { let foo = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" edition = '2018' [dependencies] bar = { path = "bar" } "#, ) .file("src/lib.rs", "bar::foo!();") .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.1.0" [lib] proc-macro = true "#, ) .file( "bar/src/lib.rs", r#" extern crate proc_macro; use proc_macro::*; #[proc_macro] pub fn foo(input: TokenStream) -> TokenStream { println!("a"); println!("b"); println!("{{}}"); eprintln!("c"); eprintln!("d"); eprintln!("{{a"); // "malformed json" input } "#, ) .build(); foo.cargo("build") .with_stdout("a\nb\n{}") .with_stderr( "\ [COMPILING] [..] [COMPILING] [..] c d {a [FINISHED] [..] ", ) .run(); } #[cargo_test] fn build_lib_only() { let p = project() .file("src/main.rs", "fn main() {}") .file("src/lib.rs", r#" "#) .build(); p.cargo("build --lib -v") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [RUNNING] `rustc --crate-name foo src/lib.rs [..]--crate-type lib \ --emit=[..]link[..]-C debuginfo=2 [..]\ -C metadata=[..] \ --out-dir [..] \ -L dependency=[CWD]/target/debug/deps` [FINISHED] dev [unoptimized + debuginfo] target(s) in [..]", ) .run(); } #[cargo_test] fn build_with_no_lib() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/main.rs", "fn main() {}") .build(); p.cargo("build --lib") .with_status(101) .with_stderr("[ERROR] no library targets found in package `foo`") .run(); } #[cargo_test] fn build_with_relative_cargo_home_path() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = ["wycats@example.com"] [dependencies] "test-dependency" = { path = "src/test_dependency" } "#, ) .file("src/main.rs", "fn main() {}") .file("src/test_dependency/src/lib.rs", r#" "#) .file( "src/test_dependency/Cargo.toml", &basic_manifest("test-dependency", "0.0.1"), ) .build(); p.cargo("build").env("CARGO_HOME", "./cargo_home/").run(); } #[cargo_test] fn user_specific_cfgs_are_filtered_out() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/main.rs", r#"fn main() {}"#) .file( "build.rs", r#" fn main() { assert!(std::env::var_os("CARGO_CFG_PROC_MACRO").is_none()); assert!(std::env::var_os("CARGO_CFG_DEBUG_ASSERTIONS").is_none()); } "#, ) .build(); p.cargo("rustc -- --cfg debug_assertions --cfg proc_macro") .run(); p.process(&p.bin("foo")).run(); } #[cargo_test] fn close_output() { // What happens when stdout or stderr is closed during a build. // Server to know when rustc has spawned. let listener = std::net::TcpListener::bind("127.0.0.1:0").unwrap(); let addr = listener.local_addr().unwrap(); let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" edition = "2018" [lib] proc-macro = true [[bin]] name = "foobar" "#, ) .file( "src/lib.rs", &r#" use proc_macro::TokenStream; use std::io::Read; #[proc_macro] pub fn repro(_input: TokenStream) -> TokenStream { println!("hello stdout!"); eprintln!("hello stderr!"); // Tell the test we have started. let mut socket = std::net::TcpStream::connect("__ADDR__").unwrap(); // Wait for the test to tell us to start printing. let mut buf = [0]; drop(socket.read_exact(&mut buf)); let use_stderr = std::env::var("__CARGO_REPRO_STDERR").is_ok(); // Emit at least 1MB of data. // Linux pipes can buffer up to 64KB. // This test seems to be sensitive to having other threads // calling fork. My hypothesis is that the stdout/stderr // file descriptors are duplicated into the child process, // and during the short window between fork and exec, the // file descriptor is kept alive long enough for the // build to finish. It's a half-baked theory, but this // seems to prevent the spurious errors in CI. // An alternative solution is to run this test in // a single-threaded environment. for i in 0..100000 { if use_stderr { eprintln!("0123456789{}", i); } else { println!("0123456789{}", i); } } TokenStream::new() } "# .replace("__ADDR__", &addr.to_string()), ) .file( "src/bin/foobar.rs", r#" foo::repro!(); fn main() {} "#, ) .build(); // The `stderr` flag here indicates if this should forcefully close stderr or stdout. let spawn = |stderr: bool| { let mut cmd = p.cargo("build").build_command(); cmd.stdout(Stdio::piped()).stderr(Stdio::piped()); if stderr { cmd.env("__CARGO_REPRO_STDERR", "1"); } let mut child = cmd.spawn().unwrap(); // Wait for proc macro to start. let pm_conn = listener.accept().unwrap().0; // Close stderr or stdout. if stderr { drop(child.stderr.take()); } else { drop(child.stdout.take()); } // Tell the proc-macro to continue; drop(pm_conn); // Read the output from the other channel. let out: &mut dyn Read = if stderr { child.stdout.as_mut().unwrap() } else { child.stderr.as_mut().unwrap() }; let mut result = String::new(); out.read_to_string(&mut result).unwrap(); let status = child.wait().unwrap(); assert!(!status.success()); result }; let stderr = spawn(false); compare::match_unordered( "\ [COMPILING] foo [..] hello stderr! [ERROR] [..] [WARNING] build failed, waiting for other jobs to finish... ", &stderr, None, ) .unwrap(); // Try again with stderr. p.build_dir().rm_rf(); let stdout = spawn(true); assert_eq!(stdout, "hello stdout!\n"); } #[cargo_test] fn close_output_during_drain() { // Test to close the output during the build phase (drain_the_queue). // There was a bug where it would hang. // Server to know when rustc has spawned. let listener = std::net::TcpListener::bind("127.0.0.1:0").unwrap(); let addr = listener.local_addr().unwrap(); // Create a wrapper so the test can know when compiling has started. let rustc_wrapper = { let p = project() .at("compiler") .file("Cargo.toml", &basic_manifest("compiler", "1.0.0")) .file( "src/main.rs", &r#" use std::process::Command; use std::env; use std::io::Read; fn main() { // Only wait on the first dependency. if matches!(env::var("CARGO_PKG_NAME").as_deref(), Ok("dep")) { let mut socket = std::net::TcpStream::connect("__ADDR__").unwrap(); // Wait for the test to tell us to start printing. let mut buf = [0]; drop(socket.read_exact(&mut buf)); } let mut cmd = Command::new("rustc"); for arg in env::args_os().skip(1) { cmd.arg(arg); } std::process::exit(cmd.status().unwrap().code().unwrap()); } "# .replace("__ADDR__", &addr.to_string()), ) .build(); p.cargo("build").run(); p.bin("compiler") }; Package::new("dep", "1.0.0").publish(); let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] dep = "1.0" "#, ) .file("src/lib.rs", "") .build(); // Spawn cargo, wait for the first rustc to start, and then close stderr. let mut cmd = process(&cargo_exe()) .arg("check") .cwd(p.root()) .env("RUSTC", rustc_wrapper) .build_command(); cmd.stdout(Stdio::piped()).stderr(Stdio::piped()); let mut child = cmd.spawn().expect("cargo should spawn"); // Wait for the rustc wrapper to start. let rustc_conn = listener.accept().unwrap().0; // Close stderr to force an error. drop(child.stderr.take()); // Tell the wrapper to continue. drop(rustc_conn); match child.wait() { Ok(status) => assert!(!status.success()), Err(e) => panic!("child wait failed: {}", e), } } use cargo_test_support::registry::Dependency; #[cargo_test] fn reduced_reproduction_8249() { // https://github.com/rust-lang/cargo/issues/8249 Package::new("a-src", "0.1.0").links("a").publish(); Package::new("a-src", "0.2.0").links("a").publish(); Package::new("b", "0.1.0") .add_dep(Dependency::new("a-src", "0.1").optional(true)) .publish(); Package::new("b", "0.2.0") .add_dep(Dependency::new("a-src", "0.2").optional(true)) .publish(); Package::new("c", "1.0.0") .add_dep(&Dependency::new("b", "0.1.0")) .publish(); let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] b = { version = "*", features = ["a-src"] } a-src = "*" "#, ) .file("src/lib.rs", "") .build(); p.cargo("generate-lockfile").run(); cargo_util::paths::append(&p.root().join("Cargo.toml"), b"c = \"*\"").unwrap(); p.cargo("check").run(); p.cargo("check").run(); } #[cargo_test] fn target_directory_backup_exclusion() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file("src/foo.rs", &main_file(r#""i am foo""#, &[])) .build(); // Newly created target/ should have CACHEDIR.TAG inside... p.cargo("build").run(); let cachedir_tag = p.build_dir().join("CACHEDIR.TAG"); assert!(cachedir_tag.is_file()); assert!(fs::read_to_string(&cachedir_tag) .unwrap() .starts_with("Signature: 8a477f597d28d172789f06886806bc55")); // ...but if target/ already exists CACHEDIR.TAG should not be created in it. fs::remove_file(&cachedir_tag).unwrap(); p.cargo("build").run(); assert!(!&cachedir_tag.is_file()); } #[cargo_test] fn simple_terminal_width() { let p = project() .file( "src/lib.rs", r#" pub fn foo() { let _: () = 42; } "#, ) .build(); p.cargo("build -v") .env("__CARGO_TEST_TTY_WIDTH_DO_NOT_USE_THIS", "20") .with_status(101) .with_stderr_contains("[RUNNING] `rustc [..]--diagnostic-width=20[..]") .run(); p.cargo("doc -v") .env("__CARGO_TEST_TTY_WIDTH_DO_NOT_USE_THIS", "20") .with_stderr_contains("[RUNNING] `rustdoc [..]--diagnostic-width=20[..]") .run(); } #[cargo_test] fn build_script_o0_default() { let p = project() .file("src/lib.rs", "") .file("build.rs", "fn main() {}") .build(); p.cargo("build -v --release") .with_stderr_does_not_contain("[..]build_script_build[..]opt-level[..]") .run(); } #[cargo_test] fn build_script_o0_default_even_with_release() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [profile.release] opt-level = 1 "#, ) .file("src/lib.rs", "") .file("build.rs", "fn main() {}") .build(); p.cargo("build -v --release") .with_stderr_does_not_contain("[..]build_script_build[..]opt-level[..]") .run(); } #[cargo_test] fn primary_package_env_var() { // Test that CARGO_PRIMARY_PACKAGE is enabled only for "foo" and not for any dependency. let is_primary_package = r#" pub fn is_primary_package() -> bool {{ option_env!("CARGO_PRIMARY_PACKAGE").is_some() }} "#; Package::new("qux", "0.1.0") .file("src/lib.rs", is_primary_package) .publish(); let baz = git::new("baz", |project| { project .file("Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("src/lib.rs", is_primary_package) }); let foo = project() .file( "Cargo.toml", &format!( r#" [package] name = "foo" version = "0.1.0" [dependencies] bar = {{ path = "bar" }} baz = {{ git = '{}' }} qux = "0.1" "#, baz.url() ), ) .file( "src/lib.rs", &format!( r#" extern crate bar; extern crate baz; extern crate qux; {} #[test] fn verify_primary_package() {{ assert!(!bar::is_primary_package()); assert!(!baz::is_primary_package()); assert!(!qux::is_primary_package()); assert!(is_primary_package()); }} "#, is_primary_package ), ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", is_primary_package) .build(); foo.cargo("test").run(); } #[cargo_test] fn renamed_uplifted_artifact_remains_unmodified_after_rebuild() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" authors = [] version = "0.0.0" "#, ) .file("src/main.rs", "fn main() {}") .build(); p.cargo("build").run(); let bin = p.bin("foo"); let renamed_bin = p.bin("foo-renamed"); fs::rename(&bin, &renamed_bin).unwrap(); p.change_file("src/main.rs", "fn main() { eprintln!(\"hello, world\"); }"); p.cargo("build").run(); let not_the_same = !same_file::is_same_file(bin, renamed_bin).unwrap(); assert!(not_the_same, "renamed uplifted artifact must be unmodified"); }