mirror of
https://github.com/rust-lang/cargo
synced 2024-11-05 18:50:39 +00:00
2400 lines
63 KiB
Rust
2400 lines
63 KiB
Rust
//! Tests for the new feature resolver.
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use cargo_test_support::cross_compile::{self, alternate};
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use cargo_test_support::install::cargo_home;
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use cargo_test_support::paths::CargoPathExt;
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use cargo_test_support::publish::validate_crate_contents;
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use cargo_test_support::registry::{Dependency, Package};
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use cargo_test_support::{basic_manifest, cargo_process, project, rustc_host, Project};
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use std::fs::File;
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/// Switches Cargo.toml to use `resolver = "2"`.
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pub fn switch_to_resolver_2(p: &Project) {
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let mut manifest = p.read_file("Cargo.toml");
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if manifest.contains("resolver =") {
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panic!("did not expect manifest to already contain a resolver setting");
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}
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if let Some(index) = manifest.find("[workspace]\n") {
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manifest.insert_str(index + 12, "resolver = \"2\"\n");
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} else if let Some(index) = manifest.find("[package]\n") {
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manifest.insert_str(index + 10, "resolver = \"2\"\n");
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} else {
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panic!("expected [package] or [workspace] in manifest");
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}
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p.change_file("Cargo.toml", &manifest);
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}
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#[cargo_test]
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fn inactivate_targets() {
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// Basic test of `itarget`. A shared dependency where an inactive [target]
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// changes the features.
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Package::new("common", "1.0.0")
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.feature("f1", &[])
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.file(
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"src/lib.rs",
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r#"
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#[cfg(feature = "f1")]
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compile_error!("f1 should not activate");
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"#,
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)
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.publish();
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Package::new("bar", "1.0.0")
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.add_dep(
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Dependency::new("common", "1.0")
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.target("cfg(whatever)")
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.enable_features(&["f1"]),
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)
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[dependencies]
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common = "1.0"
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bar = "1.0"
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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p.cargo("check")
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.with_status(101)
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.with_stderr_contains("[..]f1 should not activate[..]")
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.run();
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switch_to_resolver_2(&p);
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p.cargo("check").run();
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}
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#[cargo_test]
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fn inactive_target_optional() {
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// Activating optional [target] dependencies for inactivate target.
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Package::new("common", "1.0.0")
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.feature("f1", &[])
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.feature("f2", &[])
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.feature("f3", &[])
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.feature("f4", &[])
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.file(
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"src/lib.rs",
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r#"
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pub fn f() {
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if cfg!(feature="f1") { println!("f1"); }
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if cfg!(feature="f2") { println!("f2"); }
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if cfg!(feature="f3") { println!("f3"); }
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if cfg!(feature="f4") { println!("f4"); }
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}
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"#,
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)
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2018"
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[dependencies]
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common = "1.0"
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[target.'cfg(whatever)'.dependencies]
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dep1 = {path='dep1', optional=true}
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dep2 = {path='dep2', optional=true, features=["f3"]}
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common = {version="1.0", optional=true, features=["f4"]}
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[features]
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foo1 = ["dep1/f2"]
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foo2 = ["dep2"]
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"#,
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)
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.file(
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"src/main.rs",
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r#"
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fn main() {
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if cfg!(feature="foo1") { println!("foo1"); }
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if cfg!(feature="foo2") { println!("foo2"); }
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if cfg!(feature="dep1") { println!("dep1"); }
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if cfg!(feature="dep2") { println!("dep2"); }
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if cfg!(feature="common") { println!("common"); }
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common::f();
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}
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"#,
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)
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.file(
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"dep1/Cargo.toml",
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r#"
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[package]
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name = "dep1"
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version = "0.1.0"
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[dependencies]
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common = {version="1.0", features=["f1"]}
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[features]
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f2 = ["common/f2"]
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"#,
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)
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.file(
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"dep1/src/lib.rs",
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r#"compile_error!("dep1 should not build");"#,
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)
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.file(
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"dep2/Cargo.toml",
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r#"
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[package]
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name = "dep2"
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version = "0.1.0"
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[dependencies]
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common = "1.0"
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[features]
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f3 = ["common/f3"]
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"#,
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)
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.file(
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"dep2/src/lib.rs",
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r#"compile_error!("dep2 should not build");"#,
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)
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.build();
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p.cargo("run --all-features")
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.with_stdout("foo1\nfoo2\ndep1\ndep2\ncommon\nf1\nf2\nf3\nf4\n")
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.run();
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p.cargo("run --features dep1")
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.with_stdout("dep1\nf1\n")
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.run();
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p.cargo("run --features foo1")
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.with_stdout("foo1\ndep1\nf1\nf2\n")
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.run();
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p.cargo("run --features dep2")
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.with_stdout("dep2\nf3\n")
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.run();
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p.cargo("run --features common")
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.with_stdout("common\nf4\n")
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.run();
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switch_to_resolver_2(&p);
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p.cargo("run --all-features")
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.with_stdout("foo1\nfoo2\ndep1\ndep2\ncommon")
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.run();
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p.cargo("run --features dep1").with_stdout("dep1\n").run();
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p.cargo("run --features foo1").with_stdout("foo1\n").run();
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p.cargo("run --features dep2").with_stdout("dep2\n").run();
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p.cargo("run --features common").with_stdout("common").run();
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}
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#[cargo_test]
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fn itarget_proc_macro() {
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// itarget inside a proc-macro while cross-compiling
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if cross_compile::disabled() {
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return;
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}
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Package::new("hostdep", "1.0.0").publish();
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Package::new("pm", "1.0.0")
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.proc_macro(true)
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.target_dep("hostdep", "1.0", rustc_host())
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.file("src/lib.rs", "extern crate hostdep;")
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[dependencies]
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pm = "1.0"
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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// Old behavior
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p.cargo("check").run();
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p.cargo("check --target").arg(alternate()).run();
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// New behavior
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switch_to_resolver_2(&p);
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p.cargo("check").run();
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p.cargo("check --target").arg(alternate()).run();
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// For good measure, just make sure things don't break.
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p.cargo("check --target").arg(alternate()).run();
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}
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#[cargo_test]
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fn decouple_host_deps() {
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// Basic test for `host_dep` decouple.
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Package::new("common", "1.0.0")
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.feature("f1", &[])
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.file(
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"src/lib.rs",
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r#"
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#[cfg(feature = "f1")]
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pub fn foo() {}
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#[cfg(not(feature = "f1"))]
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pub fn bar() {}
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"#,
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)
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2018"
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[build-dependencies]
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common = {version="1.0", features=["f1"]}
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[dependencies]
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common = "1.0"
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"#,
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)
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.file(
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"build.rs",
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r#"
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use common::foo;
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fn main() {}
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"#,
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)
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.file("src/lib.rs", "use common::bar;")
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.build();
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p.cargo("check")
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.with_status(101)
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.with_stderr_contains("[..]unresolved import `common::bar`[..]")
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.run();
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switch_to_resolver_2(&p);
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p.cargo("check").run();
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}
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#[cargo_test]
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fn decouple_host_deps_nested() {
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// `host_dep` decouple of transitive dependencies.
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Package::new("common", "1.0.0")
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.feature("f1", &[])
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.file(
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"src/lib.rs",
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r#"
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#[cfg(feature = "f1")]
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pub fn foo() {}
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#[cfg(not(feature = "f1"))]
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pub fn bar() {}
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"#,
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)
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2018"
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[build-dependencies]
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bdep = {path="bdep"}
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[dependencies]
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common = "1.0"
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"#,
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)
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.file(
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"build.rs",
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r#"
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use bdep::foo;
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fn main() {}
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"#,
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)
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.file("src/lib.rs", "use common::bar;")
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.file(
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"bdep/Cargo.toml",
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r#"
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[package]
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name = "bdep"
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version = "0.1.0"
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edition = "2018"
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[dependencies]
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common = {version="1.0", features=["f1"]}
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"#,
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)
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.file("bdep/src/lib.rs", "pub use common::foo;")
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.build();
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p.cargo("check")
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.with_status(101)
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.with_stderr_contains("[..]unresolved import `common::bar`[..]")
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.run();
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switch_to_resolver_2(&p);
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p.cargo("check").run();
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}
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#[cargo_test]
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fn decouple_dev_deps() {
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// Basic test for `dev_dep` decouple.
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Package::new("common", "1.0.0")
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.feature("f1", &[])
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.feature("f2", &[])
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.file(
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"src/lib.rs",
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r#"
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// const ensures it uses the correct dependency at *build time*
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// compared to *link time*.
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#[cfg(all(feature="f1", not(feature="f2")))]
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pub const X: u32 = 1;
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#[cfg(all(feature="f1", feature="f2"))]
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pub const X: u32 = 3;
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pub fn foo() -> u32 {
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let mut res = 0;
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if cfg!(feature = "f1") {
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res |= 1;
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}
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if cfg!(feature = "f2") {
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res |= 2;
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}
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res
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}
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"#,
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)
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2018"
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[dependencies]
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common = {version="1.0", features=["f1"]}
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[dev-dependencies]
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common = {version="1.0", features=["f2"]}
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"#,
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)
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.file(
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"src/main.rs",
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r#"
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fn main() {
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let expected: u32 = std::env::args().skip(1).next().unwrap().parse().unwrap();
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assert_eq!(foo::foo(), expected);
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assert_eq!(foo::build_time(), expected);
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assert_eq!(common::foo(), expected);
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assert_eq!(common::X, expected);
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}
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#[test]
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fn test_bin() {
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assert_eq!(foo::foo(), 3);
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assert_eq!(common::foo(), 3);
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assert_eq!(common::X, 3);
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assert_eq!(foo::build_time(), 3);
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}
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"#,
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)
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.file(
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"src/lib.rs",
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r#"
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pub fn foo() -> u32 {
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common::foo()
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}
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pub fn build_time() -> u32 {
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common::X
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}
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#[test]
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fn test_lib() {
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assert_eq!(foo(), 3);
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assert_eq!(common::foo(), 3);
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assert_eq!(common::X, 3);
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}
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"#,
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)
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.file(
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"tests/t1.rs",
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r#"
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#[test]
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fn test_t1() {
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assert_eq!(foo::foo(), 3);
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assert_eq!(common::foo(), 3);
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assert_eq!(common::X, 3);
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assert_eq!(foo::build_time(), 3);
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}
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|
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#[test]
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fn test_main() {
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// Features are unified for main when run with `cargo test`,
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// even with the new resolver.
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let s = std::process::Command::new("target/debug/foo")
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.arg("3")
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.status().unwrap();
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assert!(s.success());
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}
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"#,
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)
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.build();
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|
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// Old behavior
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p.cargo("run 3").run();
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p.cargo("test").run();
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|
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// New behavior
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switch_to_resolver_2(&p);
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p.cargo("run 1").run();
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p.cargo("test").run();
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}
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|
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#[cargo_test]
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fn build_script_runtime_features() {
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// Check that the CARGO_FEATURE_* environment variable is set correctly.
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//
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// This has a common dependency between build/normal/dev-deps, and it
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// queries which features it was built with in different circumstances.
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Package::new("common", "1.0.0")
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.feature("normal", &[])
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.feature("dev", &[])
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.feature("build", &[])
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.file(
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"build.rs",
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r#"
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fn is_set(name: &str) -> bool {
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std::env::var(name) == Ok("1".to_string())
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}
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|
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fn main() {
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let mut res = 0;
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if is_set("CARGO_FEATURE_NORMAL") {
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res |= 1;
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}
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if is_set("CARGO_FEATURE_DEV") {
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res |= 2;
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}
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if is_set("CARGO_FEATURE_BUILD") {
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res |= 4;
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}
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println!("cargo:rustc-cfg=RunCustomBuild=\"{}\"", res);
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|
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let mut res = 0;
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if cfg!(feature = "normal") {
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res |= 1;
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}
|
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if cfg!(feature = "dev") {
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res |= 2;
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}
|
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if cfg!(feature = "build") {
|
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res |= 4;
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}
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println!("cargo:rustc-cfg=CustomBuild=\"{}\"", res);
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}
|
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"#,
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)
|
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.file(
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"src/lib.rs",
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r#"
|
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pub fn foo() -> u32 {
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let mut res = 0;
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if cfg!(feature = "normal") {
|
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res |= 1;
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}
|
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if cfg!(feature = "dev") {
|
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res |= 2;
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}
|
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if cfg!(feature = "build") {
|
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res |= 4;
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}
|
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res
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}
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|
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pub fn build_time() -> u32 {
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#[cfg(RunCustomBuild="1")] return 1;
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#[cfg(RunCustomBuild="3")] return 3;
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#[cfg(RunCustomBuild="4")] return 4;
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#[cfg(RunCustomBuild="5")] return 5;
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#[cfg(RunCustomBuild="7")] return 7;
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}
|
|
"#,
|
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)
|
|
.publish();
|
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|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
edition = "2018"
|
|
|
|
[build-dependencies]
|
|
common = {version="1.0", features=["build"]}
|
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|
|
[dependencies]
|
|
common = {version="1.0", features=["normal"]}
|
|
|
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[dev-dependencies]
|
|
common = {version="1.0", features=["dev"]}
|
|
"#,
|
|
)
|
|
.file(
|
|
"build.rs",
|
|
r#"
|
|
fn main() {
|
|
assert_eq!(common::foo(), common::build_time());
|
|
println!("cargo:rustc-cfg=from_build=\"{}\"", common::foo());
|
|
}
|
|
"#,
|
|
)
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
pub fn foo() -> u32 {
|
|
common::foo()
|
|
}
|
|
|
|
pub fn build_time() -> u32 {
|
|
common::build_time()
|
|
}
|
|
|
|
#[test]
|
|
fn test_lib() {
|
|
assert_eq!(common::foo(), common::build_time());
|
|
assert_eq!(common::foo(),
|
|
std::env::var("CARGO_FEATURE_EXPECT").unwrap().parse().unwrap());
|
|
}
|
|
"#,
|
|
)
|
|
.file(
|
|
"src/main.rs",
|
|
r#"
|
|
fn main() {
|
|
assert_eq!(common::foo(), common::build_time());
|
|
assert_eq!(common::foo(),
|
|
std::env::var("CARGO_FEATURE_EXPECT").unwrap().parse().unwrap());
|
|
}
|
|
|
|
#[test]
|
|
fn test_bin() {
|
|
assert_eq!(common::foo(), common::build_time());
|
|
assert_eq!(common::foo(),
|
|
std::env::var("CARGO_FEATURE_EXPECT").unwrap().parse().unwrap());
|
|
}
|
|
"#,
|
|
)
|
|
.file(
|
|
"tests/t1.rs",
|
|
r#"
|
|
#[test]
|
|
fn test_t1() {
|
|
assert_eq!(common::foo(), common::build_time());
|
|
assert_eq!(common::foo(),
|
|
std::env::var("CARGO_FEATURE_EXPECT").unwrap().parse().unwrap());
|
|
}
|
|
|
|
#[test]
|
|
fn test_main() {
|
|
// Features are unified for main when run with `cargo test`,
|
|
// even with the new resolver.
|
|
let s = std::process::Command::new("target/debug/foo")
|
|
.status().unwrap();
|
|
assert!(s.success());
|
|
}
|
|
"#,
|
|
)
|
|
.build();
|
|
|
|
// Old way, unifies all 3.
|
|
p.cargo("run").env("CARGO_FEATURE_EXPECT", "7").run();
|
|
p.cargo("test").env("CARGO_FEATURE_EXPECT", "7").run();
|
|
|
|
// New behavior.
|
|
switch_to_resolver_2(&p);
|
|
|
|
// normal + build unify
|
|
p.cargo("run").env("CARGO_FEATURE_EXPECT", "1").run();
|
|
|
|
// dev_deps are still unified with `cargo test`
|
|
p.cargo("test").env("CARGO_FEATURE_EXPECT", "3").run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn cyclical_dev_dep() {
|
|
// Check how a cyclical dev-dependency will work.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
edition = "2018"
|
|
|
|
[features]
|
|
dev = []
|
|
|
|
[dev-dependencies]
|
|
foo = { path = '.', features = ["dev"] }
|
|
"#,
|
|
)
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
pub fn assert_dev(enabled: bool) {
|
|
assert_eq!(enabled, cfg!(feature="dev"));
|
|
}
|
|
|
|
#[test]
|
|
fn test_in_lib() {
|
|
assert_dev(true);
|
|
}
|
|
"#,
|
|
)
|
|
.file(
|
|
"src/main.rs",
|
|
r#"
|
|
fn main() {
|
|
let expected: bool = std::env::args().skip(1).next().unwrap().parse().unwrap();
|
|
foo::assert_dev(expected);
|
|
}
|
|
"#,
|
|
)
|
|
.file(
|
|
"tests/t1.rs",
|
|
r#"
|
|
#[test]
|
|
fn integration_links() {
|
|
foo::assert_dev(true);
|
|
// The lib linked with main.rs will also be unified.
|
|
let s = std::process::Command::new("target/debug/foo")
|
|
.arg("true")
|
|
.status().unwrap();
|
|
assert!(s.success());
|
|
}
|
|
"#,
|
|
)
|
|
.build();
|
|
|
|
// Old way unifies features.
|
|
p.cargo("run true").run();
|
|
// dev feature should always be enabled in tests.
|
|
p.cargo("test").run();
|
|
|
|
// New behavior.
|
|
switch_to_resolver_2(&p);
|
|
// Should decouple main.
|
|
p.cargo("run false").run();
|
|
|
|
// And this should be no different.
|
|
p.cargo("test").run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn all_feature_opts() {
|
|
// All feature options at once.
|
|
Package::new("common", "1.0.0")
|
|
.feature("normal", &[])
|
|
.feature("build", &[])
|
|
.feature("dev", &[])
|
|
.feature("itarget", &[])
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
pub fn feats() -> u32 {
|
|
let mut res = 0;
|
|
if cfg!(feature="normal") { res |= 1; }
|
|
if cfg!(feature="build") { res |= 2; }
|
|
if cfg!(feature="dev") { res |= 4; }
|
|
if cfg!(feature="itarget") { res |= 8; }
|
|
res
|
|
}
|
|
"#,
|
|
)
|
|
.publish();
|
|
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
edition = "2018"
|
|
|
|
[dependencies]
|
|
common = {version = "1.0", features=["normal"]}
|
|
|
|
[dev-dependencies]
|
|
common = {version = "1.0", features=["dev"]}
|
|
|
|
[build-dependencies]
|
|
common = {version = "1.0", features=["build"]}
|
|
|
|
[target.'cfg(whatever)'.dependencies]
|
|
common = {version = "1.0", features=["itarget"]}
|
|
"#,
|
|
)
|
|
.file(
|
|
"src/main.rs",
|
|
r#"
|
|
fn main() {
|
|
expect();
|
|
}
|
|
|
|
fn expect() {
|
|
let expected: u32 = std::env::var("EXPECTED_FEATS").unwrap().parse().unwrap();
|
|
assert_eq!(expected, common::feats());
|
|
}
|
|
|
|
#[test]
|
|
fn from_test() {
|
|
expect();
|
|
}
|
|
"#,
|
|
)
|
|
.build();
|
|
|
|
p.cargo("run").env("EXPECTED_FEATS", "15").run();
|
|
p.cargo("test").env("EXPECTED_FEATS", "15").run();
|
|
|
|
// New behavior.
|
|
switch_to_resolver_2(&p);
|
|
// Only normal feature.
|
|
p.cargo("run").env("EXPECTED_FEATS", "1").run();
|
|
|
|
// only normal+dev
|
|
p.cargo("test").env("EXPECTED_FEATS", "5").run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn required_features_host_dep() {
|
|
// Check that required-features handles build-dependencies correctly.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
edition = "2018"
|
|
|
|
[[bin]]
|
|
name = "x"
|
|
required-features = ["bdep/f1"]
|
|
|
|
[build-dependencies]
|
|
bdep = {path="bdep"}
|
|
"#,
|
|
)
|
|
.file("build.rs", "fn main() {}")
|
|
.file(
|
|
"src/bin/x.rs",
|
|
r#"
|
|
fn main() {}
|
|
"#,
|
|
)
|
|
.file(
|
|
"bdep/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "bdep"
|
|
version = "0.1.0"
|
|
|
|
[features]
|
|
f1 = []
|
|
"#,
|
|
)
|
|
.file("bdep/src/lib.rs", "")
|
|
.build();
|
|
|
|
p.cargo("run")
|
|
.with_status(101)
|
|
.with_stderr(
|
|
"\
|
|
[ERROR] target `x` in package `foo` requires the features: `bdep/f1`
|
|
Consider enabling them by passing, e.g., `--features=\"bdep/f1\"`
|
|
",
|
|
)
|
|
.run();
|
|
|
|
// New behavior.
|
|
switch_to_resolver_2(&p);
|
|
p.cargo("run --features bdep/f1").run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn disabled_shared_host_dep() {
|
|
// Check for situation where an optional dep of a shared dep is enabled in
|
|
// a normal dependency, but disabled in an optional one. The unit tree is:
|
|
// foo
|
|
// ├── foo build.rs
|
|
// | └── common (BUILD dependency, NO FEATURES)
|
|
// └── common (Normal dependency, default features)
|
|
// └── somedep
|
|
Package::new("somedep", "1.0.0")
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
pub fn f() { println!("hello from somedep"); }
|
|
"#,
|
|
)
|
|
.publish();
|
|
Package::new("common", "1.0.0")
|
|
.feature("default", &["somedep"])
|
|
.add_dep(Dependency::new("somedep", "1.0").optional(true))
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
pub fn check_somedep() -> bool {
|
|
#[cfg(feature="somedep")]
|
|
{
|
|
extern crate somedep;
|
|
somedep::f();
|
|
true
|
|
}
|
|
#[cfg(not(feature="somedep"))]
|
|
{
|
|
println!("no somedep");
|
|
false
|
|
}
|
|
}
|
|
"#,
|
|
)
|
|
.publish();
|
|
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "1.0.0"
|
|
edition = "2018"
|
|
resolver = "2"
|
|
|
|
[dependencies]
|
|
common = "1.0"
|
|
|
|
[build-dependencies]
|
|
common = {version = "1.0", default-features = false}
|
|
"#,
|
|
)
|
|
.file(
|
|
"src/main.rs",
|
|
"fn main() { assert!(common::check_somedep()); }",
|
|
)
|
|
.file(
|
|
"build.rs",
|
|
"fn main() { assert!(!common::check_somedep()); }",
|
|
)
|
|
.build();
|
|
|
|
p.cargo("run -v").with_stdout("hello from somedep").run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn required_features_inactive_dep() {
|
|
// required-features with an inactivated dep.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
resolver = "2"
|
|
|
|
[target.'cfg(whatever)'.dependencies]
|
|
bar = {path="bar"}
|
|
|
|
[[bin]]
|
|
name = "foo"
|
|
required-features = ["feat1"]
|
|
|
|
[features]
|
|
feat1 = []
|
|
"#,
|
|
)
|
|
.file("src/main.rs", "fn main() {}")
|
|
.file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
|
|
.file("bar/src/lib.rs", "")
|
|
.build();
|
|
|
|
p.cargo("check").with_stderr("[FINISHED] [..]").run();
|
|
|
|
p.cargo("check --features=feat1")
|
|
.with_stderr("[CHECKING] foo[..]\n[FINISHED] [..]")
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn decouple_proc_macro() {
|
|
// proc macro features are not shared
|
|
Package::new("common", "1.0.0")
|
|
.feature("somefeat", &[])
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
pub const fn foo() -> bool { cfg!(feature="somefeat") }
|
|
#[cfg(feature="somefeat")]
|
|
pub const FEAT_ONLY_CONST: bool = true;
|
|
"#,
|
|
)
|
|
.publish();
|
|
Package::new("pm", "1.0.0")
|
|
.proc_macro(true)
|
|
.feature_dep("common", "1.0", &["somefeat"])
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
extern crate proc_macro;
|
|
extern crate common;
|
|
#[proc_macro]
|
|
pub fn foo(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
|
|
assert!(common::foo());
|
|
"".parse().unwrap()
|
|
}
|
|
"#,
|
|
)
|
|
.publish();
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "1.0.0"
|
|
edition = "2018"
|
|
|
|
[dependencies]
|
|
pm = "1.0"
|
|
common = "1.0"
|
|
"#,
|
|
)
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
//! Test with docs.
|
|
//!
|
|
//! ```rust
|
|
//! pm::foo!{}
|
|
//! fn main() {
|
|
//! let expected = std::env::var_os("TEST_EXPECTS_ENABLED").is_some();
|
|
//! assert_eq!(expected, common::foo(), "common is wrong");
|
|
//! }
|
|
//! ```
|
|
"#,
|
|
)
|
|
.file(
|
|
"src/main.rs",
|
|
r#"
|
|
pm::foo!{}
|
|
fn main() {
|
|
println!("it is {}", common::foo());
|
|
}
|
|
"#,
|
|
)
|
|
.build();
|
|
|
|
p.cargo("run")
|
|
.env("TEST_EXPECTS_ENABLED", "1")
|
|
.with_stdout("it is true")
|
|
.run();
|
|
// Make sure the test is fallible.
|
|
p.cargo("test --doc")
|
|
.with_status(101)
|
|
.with_stdout_contains("[..]common is wrong[..]")
|
|
.run();
|
|
p.cargo("test --doc").env("TEST_EXPECTS_ENABLED", "1").run();
|
|
p.cargo("doc").run();
|
|
assert!(p
|
|
.build_dir()
|
|
.join("doc/common/constant.FEAT_ONLY_CONST.html")
|
|
.exists());
|
|
// cargo doc should clean in-between runs, but it doesn't, and leaves stale files.
|
|
// https://github.com/rust-lang/cargo/issues/6783 (same for removed items)
|
|
p.build_dir().join("doc").rm_rf();
|
|
|
|
// New behavior.
|
|
switch_to_resolver_2(&p);
|
|
p.cargo("run").with_stdout("it is false").run();
|
|
|
|
p.cargo("test --doc").run();
|
|
p.cargo("doc").run();
|
|
assert!(!p
|
|
.build_dir()
|
|
.join("doc/common/constant.FEAT_ONLY_CONST.html")
|
|
.exists());
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn proc_macro_ws() {
|
|
// Checks for bug with proc-macro in a workspace with dependency (shouldn't panic).
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[workspace]
|
|
members = ["foo", "pm"]
|
|
resolver = "2"
|
|
"#,
|
|
)
|
|
.file(
|
|
"foo/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
|
|
[features]
|
|
feat1 = []
|
|
"#,
|
|
)
|
|
.file("foo/src/lib.rs", "")
|
|
.file(
|
|
"pm/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "pm"
|
|
version = "0.1.0"
|
|
|
|
[lib]
|
|
proc-macro = true
|
|
|
|
[dependencies]
|
|
foo = { path = "../foo", features=["feat1"] }
|
|
"#,
|
|
)
|
|
.file("pm/src/lib.rs", "")
|
|
.build();
|
|
|
|
p.cargo("check -p pm -v")
|
|
.with_stderr_contains("[RUNNING] `rustc --crate-name foo [..]--cfg[..]feat1[..]")
|
|
.run();
|
|
// This may be surprising that `foo` doesn't get built separately. It is
|
|
// because pm might have other units (binaries, tests, etc.), and so the
|
|
// feature resolver must assume that normal deps get unified with it. This
|
|
// is related to the bigger issue where the features selected in a
|
|
// workspace depend on which packages are selected.
|
|
p.cargo("check --workspace -v")
|
|
.with_stderr(
|
|
"\
|
|
[FRESH] foo v0.1.0 [..]
|
|
[FRESH] pm v0.1.0 [..]
|
|
[FINISHED] dev [..]
|
|
",
|
|
)
|
|
.run();
|
|
// Selecting just foo will build without unification.
|
|
p.cargo("check -p foo -v")
|
|
// Make sure `foo` is built without feat1
|
|
.with_stderr_line_without(&["[RUNNING] `rustc --crate-name foo"], &["--cfg[..]feat1"])
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn has_dev_dep_for_test() {
|
|
// Check for a bug where the decision on whether or not "dev dependencies"
|
|
// should be used did not consider `check --profile=test`.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
|
|
[dev-dependencies]
|
|
dep = { path = 'dep', features = ['f1'] }
|
|
"#,
|
|
)
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
#[test]
|
|
fn t1() {
|
|
dep::f();
|
|
}
|
|
"#,
|
|
)
|
|
.file(
|
|
"dep/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "dep"
|
|
version = "0.1.0"
|
|
|
|
[features]
|
|
f1 = []
|
|
"#,
|
|
)
|
|
.file(
|
|
"dep/src/lib.rs",
|
|
r#"
|
|
#[cfg(feature = "f1")]
|
|
pub fn f() {}
|
|
"#,
|
|
)
|
|
.build();
|
|
|
|
p.cargo("check -v")
|
|
.with_stderr(
|
|
"\
|
|
[CHECKING] foo v0.1.0 [..]
|
|
[RUNNING] `rustc --crate-name foo [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
p.cargo("check -v --profile=test")
|
|
.with_stderr(
|
|
"\
|
|
[CHECKING] dep v0.1.0 [..]
|
|
[RUNNING] `rustc --crate-name dep [..]
|
|
[CHECKING] foo v0.1.0 [..]
|
|
[RUNNING] `rustc --crate-name foo [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
|
|
// New resolver should not be any different.
|
|
switch_to_resolver_2(&p);
|
|
p.cargo("check -v --profile=test")
|
|
.with_stderr(
|
|
"\
|
|
[FRESH] dep [..]
|
|
[FRESH] foo [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn build_dep_activated() {
|
|
// Build dependencies always match the host for [target.*.build-dependencies].
|
|
if cross_compile::disabled() {
|
|
return;
|
|
}
|
|
Package::new("somedep", "1.0.0")
|
|
.file("src/lib.rs", "")
|
|
.publish();
|
|
Package::new("targetdep", "1.0.0").publish();
|
|
Package::new("hostdep", "1.0.0")
|
|
// Check that "for_host" is sticky.
|
|
.target_dep("somedep", "1.0", rustc_host())
|
|
.feature("feat1", &[])
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
extern crate somedep;
|
|
|
|
#[cfg(not(feature="feat1"))]
|
|
compile_error!{"feat1 missing"}
|
|
"#,
|
|
)
|
|
.publish();
|
|
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
&format!(
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
|
|
# This should never be selected.
|
|
[target.'{}'.build-dependencies]
|
|
targetdep = "1.0"
|
|
|
|
[target.'{}'.build-dependencies]
|
|
hostdep = {{version="1.0", features=["feat1"]}}
|
|
"#,
|
|
alternate(),
|
|
rustc_host()
|
|
),
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.file("build.rs", "fn main() {}")
|
|
.build();
|
|
|
|
p.cargo("check").run();
|
|
p.cargo("check --target").arg(alternate()).run();
|
|
|
|
// New behavior.
|
|
switch_to_resolver_2(&p);
|
|
p.cargo("check").run();
|
|
p.cargo("check --target").arg(alternate()).run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn resolver_bad_setting() {
|
|
// Unknown setting in `resolver`
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
resolver = "foo"
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.build();
|
|
|
|
p.cargo("build")
|
|
.with_status(101)
|
|
.with_stderr(
|
|
"\
|
|
error: failed to parse manifest at `[..]/foo/Cargo.toml`
|
|
|
|
Caused by:
|
|
`resolver` setting `foo` is not valid, valid options are \"1\" or \"2\"
|
|
",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn resolver_original() {
|
|
// resolver="1" uses old unification behavior.
|
|
Package::new("common", "1.0.0")
|
|
.feature("f1", &[])
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
#[cfg(feature = "f1")]
|
|
compile_error!("f1 should not activate");
|
|
"#,
|
|
)
|
|
.publish();
|
|
|
|
Package::new("bar", "1.0.0")
|
|
.add_dep(
|
|
Dependency::new("common", "1.0")
|
|
.target("cfg(whatever)")
|
|
.enable_features(&["f1"]),
|
|
)
|
|
.publish();
|
|
|
|
let manifest = |resolver| {
|
|
format!(
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
resolver = "{}"
|
|
|
|
[dependencies]
|
|
common = "1.0"
|
|
bar = "1.0"
|
|
"#,
|
|
resolver
|
|
)
|
|
};
|
|
|
|
let p = project()
|
|
.file("Cargo.toml", &manifest("1"))
|
|
.file("src/lib.rs", "")
|
|
.build();
|
|
|
|
p.cargo("check")
|
|
.with_status(101)
|
|
.with_stderr_contains("[..]f1 should not activate[..]")
|
|
.run();
|
|
|
|
p.change_file("Cargo.toml", &manifest("2"));
|
|
|
|
p.cargo("check").run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn resolver_not_both() {
|
|
// Can't specify resolver in both workspace and package.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[workspace]
|
|
resolver = "2"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
resolver = "2"
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.build();
|
|
|
|
p.cargo("build")
|
|
.with_status(101)
|
|
.with_stderr(
|
|
"\
|
|
error: failed to parse manifest at `[..]/foo/Cargo.toml`
|
|
|
|
Caused by:
|
|
cannot specify `resolver` field in both `[workspace]` and `[package]`
|
|
",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn resolver_ws_member() {
|
|
// Can't specify `resolver` in a ws member.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[workspace]
|
|
members = ["a"]
|
|
"#,
|
|
)
|
|
.file(
|
|
"a/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "a"
|
|
version = "0.1.0"
|
|
resolver = "2"
|
|
"#,
|
|
)
|
|
.file("a/src/lib.rs", "")
|
|
.build();
|
|
|
|
p.cargo("check")
|
|
.with_stderr(
|
|
"\
|
|
warning: resolver for the non root package will be ignored, specify resolver at the workspace root:
|
|
package: [..]/foo/a/Cargo.toml
|
|
workspace: [..]/foo/Cargo.toml
|
|
[CHECKING] a v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn resolver_ws_root_and_member() {
|
|
// Check when specified in both ws root and member.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[workspace]
|
|
members = ["a"]
|
|
resolver = "2"
|
|
"#,
|
|
)
|
|
.file(
|
|
"a/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "a"
|
|
version = "0.1.0"
|
|
resolver = "2"
|
|
"#,
|
|
)
|
|
.file("a/src/lib.rs", "")
|
|
.build();
|
|
|
|
// Ignores if they are the same.
|
|
p.cargo("check")
|
|
.with_stderr(
|
|
"\
|
|
[CHECKING] a v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn resolver_enables_new_features() {
|
|
// resolver="2" enables all the things.
|
|
Package::new("common", "1.0.0")
|
|
.feature("normal", &[])
|
|
.feature("build", &[])
|
|
.feature("dev", &[])
|
|
.feature("itarget", &[])
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
pub fn feats() -> u32 {
|
|
let mut res = 0;
|
|
if cfg!(feature="normal") { res |= 1; }
|
|
if cfg!(feature="build") { res |= 2; }
|
|
if cfg!(feature="dev") { res |= 4; }
|
|
if cfg!(feature="itarget") { res |= 8; }
|
|
res
|
|
}
|
|
"#,
|
|
)
|
|
.publish();
|
|
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[workspace]
|
|
members = ["a", "b"]
|
|
resolver = "2"
|
|
"#,
|
|
)
|
|
.file(
|
|
"a/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "a"
|
|
version = "0.1.0"
|
|
edition = "2018"
|
|
|
|
[dependencies]
|
|
common = {version = "1.0", features=["normal"]}
|
|
|
|
[dev-dependencies]
|
|
common = {version = "1.0", features=["dev"]}
|
|
|
|
[build-dependencies]
|
|
common = {version = "1.0", features=["build"]}
|
|
|
|
[target.'cfg(whatever)'.dependencies]
|
|
common = {version = "1.0", features=["itarget"]}
|
|
"#,
|
|
)
|
|
.file(
|
|
"a/src/main.rs",
|
|
r#"
|
|
fn main() {
|
|
expect();
|
|
}
|
|
|
|
fn expect() {
|
|
let expected: u32 = std::env::var("EXPECTED_FEATS").unwrap().parse().unwrap();
|
|
assert_eq!(expected, common::feats());
|
|
}
|
|
|
|
#[test]
|
|
fn from_test() {
|
|
expect();
|
|
}
|
|
"#,
|
|
)
|
|
.file(
|
|
"b/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "b"
|
|
version = "0.1.0"
|
|
|
|
[features]
|
|
ping = []
|
|
"#,
|
|
)
|
|
.file(
|
|
"b/src/main.rs",
|
|
r#"
|
|
fn main() {
|
|
if cfg!(feature="ping") {
|
|
println!("pong");
|
|
}
|
|
}
|
|
"#,
|
|
)
|
|
.build();
|
|
|
|
// Only normal.
|
|
p.cargo("run --bin a")
|
|
.env("EXPECTED_FEATS", "1")
|
|
.with_stderr(
|
|
"\
|
|
[UPDATING] [..]
|
|
[DOWNLOADING] crates ...
|
|
[DOWNLOADED] common [..]
|
|
[COMPILING] common v1.0.0
|
|
[COMPILING] a v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
[RUNNING] `target/debug/a[EXE]`
|
|
",
|
|
)
|
|
.run();
|
|
|
|
// only normal+dev
|
|
p.cargo("test").cwd("a").env("EXPECTED_FEATS", "5").run();
|
|
|
|
// Can specify features of packages from a different directory.
|
|
p.cargo("run -p b --features=ping")
|
|
.cwd("a")
|
|
.with_stdout("pong")
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn install_resolve_behavior() {
|
|
// install honors the resolver behavior.
|
|
Package::new("common", "1.0.0")
|
|
.feature("f1", &[])
|
|
.file(
|
|
"src/lib.rs",
|
|
r#"
|
|
#[cfg(feature = "f1")]
|
|
compile_error!("f1 should not activate");
|
|
"#,
|
|
)
|
|
.publish();
|
|
|
|
Package::new("bar", "1.0.0").dep("common", "1.0").publish();
|
|
|
|
Package::new("foo", "1.0.0")
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "1.0.0"
|
|
resolver = "2"
|
|
|
|
[target.'cfg(whatever)'.dependencies]
|
|
common = {version="1.0", features=["f1"]}
|
|
|
|
[dependencies]
|
|
bar = "1.0"
|
|
|
|
"#,
|
|
)
|
|
.file("src/main.rs", "fn main() {}")
|
|
.publish();
|
|
|
|
cargo_process("install foo").run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn package_includes_resolve_behavior() {
|
|
// `cargo package` will inherit the correct resolve behavior.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[workspace]
|
|
members = ["a"]
|
|
resolver = "2"
|
|
"#,
|
|
)
|
|
.file(
|
|
"a/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "a"
|
|
version = "0.1.0"
|
|
authors = ["Zzz"]
|
|
description = "foo"
|
|
license = "MIT"
|
|
homepage = "https://example.com/"
|
|
"#,
|
|
)
|
|
.file("a/src/lib.rs", "")
|
|
.build();
|
|
|
|
p.cargo("package").cwd("a").run();
|
|
|
|
let rewritten_toml = format!(
|
|
r#"{}
|
|
[package]
|
|
name = "a"
|
|
version = "0.1.0"
|
|
authors = ["Zzz"]
|
|
description = "foo"
|
|
homepage = "https://example.com/"
|
|
license = "MIT"
|
|
resolver = "2"
|
|
"#,
|
|
cargo::core::package::MANIFEST_PREAMBLE
|
|
);
|
|
|
|
let f = File::open(&p.root().join("target/package/a-0.1.0.crate")).unwrap();
|
|
validate_crate_contents(
|
|
f,
|
|
"a-0.1.0.crate",
|
|
&["Cargo.toml", "Cargo.toml.orig", "src/lib.rs"],
|
|
&[("Cargo.toml", &rewritten_toml)],
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn tree_all() {
|
|
// `cargo tree` with the new feature resolver.
|
|
Package::new("log", "0.4.8").feature("serde", &[]).publish();
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
resolver = "2"
|
|
|
|
[target.'cfg(whatever)'.dependencies]
|
|
log = {version="*", features=["serde"]}
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.build();
|
|
p.cargo("tree --target=all")
|
|
.with_stdout(
|
|
"\
|
|
foo v0.1.0 ([..]/foo)
|
|
└── log v0.4.8
|
|
",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn shared_dep_same_but_dependencies() {
|
|
// Checks for a bug of nondeterminism. This scenario creates a shared
|
|
// dependency `dep` which needs to be built twice (once as normal, and
|
|
// once as a build dep). However, in both cases the flags to `dep` are the
|
|
// same, the only difference is what it links to. The normal dependency
|
|
// should link to `subdep` with the feature disabled, and the build
|
|
// dependency should link to it with it enabled. Crucially, the `--target`
|
|
// flag should not be specified, otherwise Unit.kind would be different
|
|
// and avoid the collision, and this bug won't manifest.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[workspace]
|
|
members = ["bin1", "bin2"]
|
|
resolver = "2"
|
|
"#,
|
|
)
|
|
.file(
|
|
"bin1/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "bin1"
|
|
version = "0.1.0"
|
|
|
|
[dependencies]
|
|
dep = { path = "../dep" }
|
|
"#,
|
|
)
|
|
.file("bin1/src/main.rs", "fn main() { dep::feat_func(); }")
|
|
.file(
|
|
"bin2/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "bin2"
|
|
version = "0.1.0"
|
|
|
|
[build-dependencies]
|
|
dep = { path = "../dep" }
|
|
subdep = { path = "../subdep", features = ["feat"] }
|
|
"#,
|
|
)
|
|
.file("bin2/build.rs", "fn main() { dep::feat_func(); }")
|
|
.file("bin2/src/main.rs", "fn main() {}")
|
|
.file(
|
|
"dep/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "dep"
|
|
version = "0.1.0"
|
|
|
|
[dependencies]
|
|
subdep = { path = "../subdep" }
|
|
"#,
|
|
)
|
|
.file(
|
|
"dep/src/lib.rs",
|
|
"pub fn feat_func() { subdep::feat_func(); }",
|
|
)
|
|
.file(
|
|
"subdep/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "subdep"
|
|
version = "0.1.0"
|
|
|
|
[features]
|
|
feat = []
|
|
"#,
|
|
)
|
|
.file(
|
|
"subdep/src/lib.rs",
|
|
r#"
|
|
pub fn feat_func() {
|
|
#[cfg(feature = "feat")] println!("cargo:warning=feat: enabled");
|
|
#[cfg(not(feature = "feat"))] println!("cargo:warning=feat: not enabled");
|
|
}
|
|
"#,
|
|
)
|
|
.build();
|
|
|
|
p.cargo("build --bin bin1 --bin bin2")
|
|
// unordered because bin1 and bin2 build at the same time
|
|
.with_stderr_unordered(
|
|
"\
|
|
[COMPILING] subdep [..]
|
|
[COMPILING] dep [..]
|
|
[COMPILING] bin2 [..]
|
|
[COMPILING] bin1 [..]
|
|
warning: feat: enabled
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
p.process(p.bin("bin1"))
|
|
.with_stdout("cargo:warning=feat: not enabled")
|
|
.run();
|
|
|
|
// Make sure everything stays cached.
|
|
p.cargo("build -v --bin bin1 --bin bin2")
|
|
.with_stderr_unordered(
|
|
"\
|
|
[FRESH] subdep [..]
|
|
[FRESH] dep [..]
|
|
[FRESH] bin1 [..]
|
|
warning: feat: enabled
|
|
[FRESH] bin2 [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn test_proc_macro() {
|
|
// Running `cargo test` on a proc-macro, with a shared dependency that has
|
|
// different features.
|
|
//
|
|
// There was a bug where `shared` was built twice (once with feature "B"
|
|
// and once without), and both copies linked into the unit test. This
|
|
// would cause a type failure when used in an intermediate dependency
|
|
// (the-macro-support).
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "runtime"
|
|
version = "0.1.0"
|
|
resolver = "2"
|
|
|
|
[dependencies]
|
|
the-macro = { path = "the-macro", features = ['a'] }
|
|
[build-dependencies]
|
|
shared = { path = "shared", features = ['b'] }
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.file(
|
|
"the-macro/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "the-macro"
|
|
version = "0.1.0"
|
|
[lib]
|
|
proc-macro = true
|
|
test = false
|
|
[dependencies]
|
|
the-macro-support = { path = "../the-macro-support" }
|
|
shared = { path = "../shared" }
|
|
[dev-dependencies]
|
|
runtime = { path = ".." }
|
|
[features]
|
|
a = []
|
|
"#,
|
|
)
|
|
.file(
|
|
"the-macro/src/lib.rs",
|
|
"
|
|
fn _test() {
|
|
the_macro_support::foo(shared::Foo);
|
|
}
|
|
",
|
|
)
|
|
.file(
|
|
"the-macro-support/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "the-macro-support"
|
|
version = "0.1.0"
|
|
[dependencies]
|
|
shared = { path = "../shared" }
|
|
"#,
|
|
)
|
|
.file(
|
|
"the-macro-support/src/lib.rs",
|
|
"
|
|
pub fn foo(_: shared::Foo) {}
|
|
",
|
|
)
|
|
.file(
|
|
"shared/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "shared"
|
|
version = "0.1.0"
|
|
[features]
|
|
b = []
|
|
"#,
|
|
)
|
|
.file("shared/src/lib.rs", "pub struct Foo;")
|
|
.build();
|
|
p.cargo("test --manifest-path the-macro/Cargo.toml").run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn doc_optional() {
|
|
// Checks for a bug where `cargo doc` was failing with an inactive target
|
|
// that enables a shared optional dependency.
|
|
Package::new("spin", "1.0.0").publish();
|
|
Package::new("bar", "1.0.0")
|
|
.add_dep(Dependency::new("spin", "1.0").optional(true))
|
|
.publish();
|
|
// The enabler package enables the `spin` feature, which we don't want.
|
|
Package::new("enabler", "1.0.0")
|
|
.feature_dep("bar", "1.0", &["spin"])
|
|
.publish();
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
resolver = "2"
|
|
|
|
[target.'cfg(whatever)'.dependencies]
|
|
enabler = "1.0"
|
|
|
|
[dependencies]
|
|
bar = "1.0"
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.build();
|
|
|
|
p.cargo("doc")
|
|
.with_stderr_unordered(
|
|
"\
|
|
[UPDATING] [..]
|
|
[DOWNLOADING] crates ...
|
|
[DOWNLOADED] spin v1.0.0 [..]
|
|
[DOWNLOADED] bar v1.0.0 [..]
|
|
[DOCUMENTING] bar v1.0.0
|
|
[CHECKING] bar v1.0.0
|
|
[DOCUMENTING] foo v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn minimal_download() {
|
|
// Various checks that it only downloads the minimum set of dependencies
|
|
// needed in various situations.
|
|
//
|
|
// This checks several permutations of the different
|
|
// host_dep/dev_dep/itarget settings. These 3 are planned to be stabilized
|
|
// together, so there isn't much need to be concerned about how the behave
|
|
// independently. However, there are some cases where they do behave
|
|
// independently. Specifically:
|
|
//
|
|
// * `cargo test` forces dev_dep decoupling to be disabled.
|
|
// * `cargo tree --target=all` forces ignore_inactive_targets off and decouple_dev_deps off.
|
|
// * `cargo tree --target=all -e normal` forces ignore_inactive_targets off.
|
|
//
|
|
// However, `cargo tree` is a little weird because it downloads everything
|
|
// anyways.
|
|
//
|
|
// So to summarize the different permutations:
|
|
//
|
|
// dev_dep | host_dep | itarget | Notes
|
|
// --------|----------|---------|----------------------------
|
|
// | | | -Zfeatures=compare (new resolver should behave same as old)
|
|
// | | ✓ | This scenario should not happen.
|
|
// | ✓ | | `cargo tree --target=all -Zfeatures=all`†
|
|
// | ✓ | ✓ | `cargo test`
|
|
// ✓ | | | This scenario should not happen.
|
|
// ✓ | | ✓ | This scenario should not happen.
|
|
// ✓ | ✓ | | `cargo tree --target=all -e normal -Z features=all`†
|
|
// ✓ | ✓ | ✓ | A normal build.
|
|
//
|
|
// † — However, `cargo tree` downloads everything.
|
|
Package::new("normal", "1.0.0").publish();
|
|
Package::new("normal_pm", "1.0.0").publish();
|
|
Package::new("normal_opt", "1.0.0").publish();
|
|
Package::new("dev_dep", "1.0.0").publish();
|
|
Package::new("dev_dep_pm", "1.0.0").publish();
|
|
Package::new("build_dep", "1.0.0").publish();
|
|
Package::new("build_dep_pm", "1.0.0").publish();
|
|
Package::new("build_dep_opt", "1.0.0").publish();
|
|
|
|
Package::new("itarget_normal", "1.0.0").publish();
|
|
Package::new("itarget_normal_pm", "1.0.0").publish();
|
|
Package::new("itarget_dev_dep", "1.0.0").publish();
|
|
Package::new("itarget_dev_dep_pm", "1.0.0").publish();
|
|
Package::new("itarget_build_dep", "1.0.0").publish();
|
|
Package::new("itarget_build_dep_pm", "1.0.0").publish();
|
|
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
|
|
[dependencies]
|
|
normal = "1.0"
|
|
normal_pm = "1.0"
|
|
normal_opt = { version = "1.0", optional = true }
|
|
|
|
[dev-dependencies]
|
|
dev_dep = "1.0"
|
|
dev_dep_pm = "1.0"
|
|
|
|
[build-dependencies]
|
|
build_dep = "1.0"
|
|
build_dep_pm = "1.0"
|
|
build_dep_opt = { version = "1.0", optional = true }
|
|
|
|
[target.'cfg(whatever)'.dependencies]
|
|
itarget_normal = "1.0"
|
|
itarget_normal_pm = "1.0"
|
|
|
|
[target.'cfg(whatever)'.dev-dependencies]
|
|
itarget_dev_dep = "1.0"
|
|
itarget_dev_dep_pm = "1.0"
|
|
|
|
[target.'cfg(whatever)'.build-dependencies]
|
|
itarget_build_dep = "1.0"
|
|
itarget_build_dep_pm = "1.0"
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.file("build.rs", "fn main() {}")
|
|
.build();
|
|
|
|
let clear = || {
|
|
cargo_home().join("registry/cache").rm_rf();
|
|
cargo_home().join("registry/src").rm_rf();
|
|
p.build_dir().rm_rf();
|
|
};
|
|
|
|
// none
|
|
// Should be the same as `-Zfeatures=all`
|
|
p.cargo("check -Zfeatures=compare")
|
|
.masquerade_as_nightly_cargo()
|
|
.with_stderr_unordered(
|
|
"\
|
|
[UPDATING] [..]
|
|
[DOWNLOADING] crates ...
|
|
[DOWNLOADED] normal_pm v1.0.0 [..]
|
|
[DOWNLOADED] normal v1.0.0 [..]
|
|
[DOWNLOADED] build_dep_pm v1.0.0 [..]
|
|
[DOWNLOADED] build_dep v1.0.0 [..]
|
|
[COMPILING] build_dep v1.0.0
|
|
[COMPILING] build_dep_pm v1.0.0
|
|
[CHECKING] normal_pm v1.0.0
|
|
[CHECKING] normal v1.0.0
|
|
[COMPILING] foo v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
clear();
|
|
|
|
// New behavior
|
|
switch_to_resolver_2(&p);
|
|
|
|
// all
|
|
p.cargo("check")
|
|
.with_stderr_unordered(
|
|
"\
|
|
[DOWNLOADING] crates ...
|
|
[DOWNLOADED] normal_pm v1.0.0 [..]
|
|
[DOWNLOADED] normal v1.0.0 [..]
|
|
[DOWNLOADED] build_dep_pm v1.0.0 [..]
|
|
[DOWNLOADED] build_dep v1.0.0 [..]
|
|
[COMPILING] build_dep v1.0.0
|
|
[COMPILING] build_dep_pm v1.0.0
|
|
[CHECKING] normal v1.0.0
|
|
[CHECKING] normal_pm v1.0.0
|
|
[COMPILING] foo v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
clear();
|
|
|
|
// This disables decouple_dev_deps.
|
|
p.cargo("test --no-run")
|
|
.with_stderr_unordered(
|
|
"\
|
|
[DOWNLOADING] crates ...
|
|
[DOWNLOADED] normal_pm v1.0.0 [..]
|
|
[DOWNLOADED] normal v1.0.0 [..]
|
|
[DOWNLOADED] dev_dep_pm v1.0.0 [..]
|
|
[DOWNLOADED] dev_dep v1.0.0 [..]
|
|
[DOWNLOADED] build_dep_pm v1.0.0 [..]
|
|
[DOWNLOADED] build_dep v1.0.0 [..]
|
|
[COMPILING] build_dep v1.0.0
|
|
[COMPILING] build_dep_pm v1.0.0
|
|
[COMPILING] normal_pm v1.0.0
|
|
[COMPILING] normal v1.0.0
|
|
[COMPILING] dev_dep_pm v1.0.0
|
|
[COMPILING] dev_dep v1.0.0
|
|
[COMPILING] foo v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
clear();
|
|
|
|
// This disables itarget, but leaves decouple_dev_deps enabled.
|
|
p.cargo("tree -e normal --target=all")
|
|
.with_stderr_unordered(
|
|
"\
|
|
[DOWNLOADING] crates ...
|
|
[DOWNLOADED] normal v1.0.0 [..]
|
|
[DOWNLOADED] normal_pm v1.0.0 [..]
|
|
[DOWNLOADED] build_dep v1.0.0 [..]
|
|
[DOWNLOADED] build_dep_pm v1.0.0 [..]
|
|
[DOWNLOADED] itarget_normal v1.0.0 [..]
|
|
[DOWNLOADED] itarget_normal_pm v1.0.0 [..]
|
|
[DOWNLOADED] itarget_build_dep v1.0.0 [..]
|
|
[DOWNLOADED] itarget_build_dep_pm v1.0.0 [..]
|
|
",
|
|
)
|
|
.with_stdout(
|
|
"\
|
|
foo v0.1.0 ([ROOT]/foo)
|
|
├── itarget_normal v1.0.0
|
|
├── itarget_normal_pm v1.0.0
|
|
├── normal v1.0.0
|
|
└── normal_pm v1.0.0
|
|
",
|
|
)
|
|
.run();
|
|
clear();
|
|
|
|
// This disables itarget and decouple_dev_deps.
|
|
p.cargo("tree --target=all")
|
|
.with_stderr_unordered(
|
|
"\
|
|
[DOWNLOADING] crates ...
|
|
[DOWNLOADED] normal_pm v1.0.0 [..]
|
|
[DOWNLOADED] normal v1.0.0 [..]
|
|
[DOWNLOADED] itarget_normal_pm v1.0.0 [..]
|
|
[DOWNLOADED] itarget_normal v1.0.0 [..]
|
|
[DOWNLOADED] itarget_dev_dep_pm v1.0.0 [..]
|
|
[DOWNLOADED] itarget_dev_dep v1.0.0 [..]
|
|
[DOWNLOADED] itarget_build_dep_pm v1.0.0 [..]
|
|
[DOWNLOADED] itarget_build_dep v1.0.0 [..]
|
|
[DOWNLOADED] dev_dep_pm v1.0.0 [..]
|
|
[DOWNLOADED] dev_dep v1.0.0 [..]
|
|
[DOWNLOADED] build_dep_pm v1.0.0 [..]
|
|
[DOWNLOADED] build_dep v1.0.0 [..]
|
|
",
|
|
)
|
|
.with_stdout(
|
|
"\
|
|
foo v0.1.0 ([ROOT]/foo)
|
|
├── itarget_normal v1.0.0
|
|
├── itarget_normal_pm v1.0.0
|
|
├── normal v1.0.0
|
|
└── normal_pm v1.0.0
|
|
[build-dependencies]
|
|
├── build_dep v1.0.0
|
|
├── build_dep_pm v1.0.0
|
|
├── itarget_build_dep v1.0.0
|
|
└── itarget_build_dep_pm v1.0.0
|
|
[dev-dependencies]
|
|
├── dev_dep v1.0.0
|
|
├── dev_dep_pm v1.0.0
|
|
├── itarget_dev_dep v1.0.0
|
|
└── itarget_dev_dep_pm v1.0.0
|
|
",
|
|
)
|
|
.run();
|
|
clear();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn pm_with_int_shared() {
|
|
// This is a somewhat complex scenario of a proc-macro in a workspace with
|
|
// an integration test where the proc-macro is used for other things, and
|
|
// *everything* is built at once (`--workspace --all-targets
|
|
// --all-features`). There was a bug where the UnitFor settings were being
|
|
// incorrectly computed based on the order that the graph was traversed.
|
|
//
|
|
// There are some uncertainties about exactly how proc-macros should behave
|
|
// with `--workspace`, see https://github.com/rust-lang/cargo/issues/8312.
|
|
//
|
|
// This uses a const-eval hack to do compile-time feature checking.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[workspace]
|
|
members = ["foo", "pm", "shared"]
|
|
resolver = "2"
|
|
"#,
|
|
)
|
|
.file(
|
|
"foo/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
edition = "2018"
|
|
|
|
[dependencies]
|
|
pm = { path = "../pm" }
|
|
shared = { path = "../shared", features = ["norm-feat"] }
|
|
"#,
|
|
)
|
|
.file(
|
|
"foo/src/lib.rs",
|
|
r#"
|
|
// foo->shared always has both features set
|
|
const _CHECK: [(); 0] = [(); 0-!(shared::FEATS==3) as usize];
|
|
"#,
|
|
)
|
|
.file(
|
|
"pm/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "pm"
|
|
version = "0.1.0"
|
|
|
|
[lib]
|
|
proc-macro = true
|
|
|
|
[dependencies]
|
|
shared = { path = "../shared", features = ["host-feat"] }
|
|
"#,
|
|
)
|
|
.file(
|
|
"pm/src/lib.rs",
|
|
r#"
|
|
// pm->shared always has just host
|
|
const _CHECK: [(); 0] = [(); 0-!(shared::FEATS==1) as usize];
|
|
"#,
|
|
)
|
|
.file(
|
|
"pm/tests/pm_test.rs",
|
|
r#"
|
|
// integration test gets both set
|
|
const _CHECK: [(); 0] = [(); 0-!(shared::FEATS==3) as usize];
|
|
"#,
|
|
)
|
|
.file(
|
|
"shared/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "shared"
|
|
version = "0.1.0"
|
|
|
|
[features]
|
|
norm-feat = []
|
|
host-feat = []
|
|
"#,
|
|
)
|
|
.file(
|
|
"shared/src/lib.rs",
|
|
r#"
|
|
pub const FEATS: u32 = {
|
|
if cfg!(feature="norm-feat") && cfg!(feature="host-feat") {
|
|
3
|
|
} else if cfg!(feature="norm-feat") {
|
|
2
|
|
} else if cfg!(feature="host-feat") {
|
|
1
|
|
} else {
|
|
0
|
|
}
|
|
};
|
|
"#,
|
|
)
|
|
.build();
|
|
|
|
p.cargo("build --workspace --all-targets --all-features -v")
|
|
.with_stderr_unordered(
|
|
"\
|
|
[COMPILING] shared [..]
|
|
[RUNNING] `rustc --crate-name shared [..]--crate-type lib [..]
|
|
[RUNNING] `rustc --crate-name shared [..]--crate-type lib [..]
|
|
[RUNNING] `rustc --crate-name shared [..]--test[..]
|
|
[COMPILING] pm [..]
|
|
[RUNNING] `rustc --crate-name pm [..]--crate-type proc-macro[..]
|
|
[RUNNING] `rustc --crate-name pm [..]--test[..]
|
|
[COMPILING] foo [..]
|
|
[RUNNING] `rustc --crate-name foo [..]--test[..]
|
|
[RUNNING] `rustc --crate-name pm_test [..]--test[..]
|
|
[RUNNING] `rustc --crate-name foo [..]--crate-type lib[..]
|
|
[FINISHED] [..]
|
|
",
|
|
)
|
|
.run();
|
|
|
|
// And again, should stay fresh.
|
|
p.cargo("build --workspace --all-targets --all-features -v")
|
|
.with_stderr_unordered(
|
|
"\
|
|
[FRESH] shared [..]
|
|
[FRESH] pm [..]
|
|
[FRESH] foo [..]
|
|
[FINISHED] [..]",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn doc_proc_macro() {
|
|
// Checks for a bug when documenting a proc-macro with a dependency. The
|
|
// doc unit builder was not carrying the "for host" setting through the
|
|
// dependencies, and the `pm-dep` dependency was causing a panic because
|
|
// it was looking for target features instead of host features.
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
resolver = "2"
|
|
|
|
[dependencies]
|
|
pm = { path = "pm" }
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.file(
|
|
"pm/Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "pm"
|
|
version = "0.1.0"
|
|
|
|
[lib]
|
|
proc-macro = true
|
|
|
|
[dependencies]
|
|
pm-dep = { path = "../pm-dep" }
|
|
"#,
|
|
)
|
|
.file("pm/src/lib.rs", "")
|
|
.file("pm-dep/Cargo.toml", &basic_manifest("pm-dep", "0.1.0"))
|
|
.file("pm-dep/src/lib.rs", "")
|
|
.build();
|
|
|
|
// Unfortunately this cannot check the output because what it prints is
|
|
// nondeterministic. Sometimes it says "Compiling pm-dep" and sometimes
|
|
// "Checking pm-dep". This is because it is both building it and checking
|
|
// it in parallel (building so it can build the proc-macro, and checking
|
|
// so rustdoc can load it).
|
|
p.cargo("doc").run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn edition_2021_default_2() {
|
|
// edition = 2021 defaults to v2 resolver.
|
|
Package::new("common", "1.0.0")
|
|
.feature("f1", &[])
|
|
.file("src/lib.rs", "")
|
|
.publish();
|
|
|
|
Package::new("bar", "1.0.0")
|
|
.add_dep(
|
|
Dependency::new("common", "1.0")
|
|
.target("cfg(whatever)")
|
|
.enable_features(&["f1"]),
|
|
)
|
|
.publish();
|
|
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
|
|
[dependencies]
|
|
common = "1.0"
|
|
bar = "1.0"
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.build();
|
|
|
|
// First without edition.
|
|
p.cargo("tree -f")
|
|
.arg("{p} feats:{f}")
|
|
.with_stdout(
|
|
"\
|
|
foo v0.1.0 [..]
|
|
├── bar v1.0.0 feats:
|
|
└── common v1.0.0 feats:f1
|
|
",
|
|
)
|
|
.run();
|
|
|
|
p.change_file(
|
|
"Cargo.toml",
|
|
r#"
|
|
cargo-features = ["edition2021"]
|
|
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
edition = "2021"
|
|
|
|
[dependencies]
|
|
common = "1.0"
|
|
bar = "1.0"
|
|
"#,
|
|
);
|
|
|
|
// Importantly, this does not include `f1` on `common`.
|
|
p.cargo("tree -f")
|
|
.arg("{p} feats:{f}")
|
|
.masquerade_as_nightly_cargo()
|
|
.with_stdout(
|
|
"\
|
|
foo v0.1.0 [..]
|
|
├── bar v1.0.0 feats:
|
|
└── common v1.0.0 feats:
|
|
",
|
|
)
|
|
.run();
|
|
}
|