cargo/tests/testsuite/path.rs
2018-07-11 23:26:01 -04:00

1317 lines
29 KiB
Rust

use std::fs::{self, File};
use std::io::prelude::*;
use cargo::util::process;
use cargotest::sleep_ms;
use cargotest::support::paths::{self, CargoPathExt};
use cargotest::support::registry::Package;
use cargotest::support::{execs, main_file, project};
use hamcrest::{assert_that, existing_file, is_not};
#[test]
#[cfg(not(windows))] // I have no idea why this is failing spuriously on
// Windows, for more info see #3466.
fn cargo_compile_with_nested_deps_shorthand() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
version = "0.5.0"
path = "bar"
"#,
)
.file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.file(
"bar/Cargo.toml",
r#"
[project]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.baz]
version = "0.5.0"
path = "baz"
[lib]
name = "bar"
"#,
)
.file(
"bar/src/bar.rs",
r#"
extern crate baz;
pub fn gimme() -> String {
baz::gimme()
}
"#,
)
.file(
"bar/baz/Cargo.toml",
r#"
[project]
name = "baz"
version = "0.5.0"
authors = ["wycats@example.com"]
[lib]
name = "baz"
"#,
)
.file(
"bar/baz/src/baz.rs",
r#"
pub fn gimme() -> String {
"test passed".to_string()
}
"#,
)
.build();
assert_that(
p.cargo("build"),
execs().with_status(0).with_stderr(&format!(
"[COMPILING] baz v0.5.0 ({}/bar/baz)\n\
[COMPILING] bar v0.5.0 ({}/bar)\n\
[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
p.url(),
p.url(),
p.url()
)),
);
assert_that(&p.bin("foo"), existing_file());
assert_that(
process(&p.bin("foo")),
execs().with_stdout("test passed\n").with_status(0),
);
println!("cleaning");
assert_that(
p.cargo("clean").arg("-v"),
execs().with_stdout("").with_status(0),
);
println!("building baz");
assert_that(
p.cargo("build").arg("-p").arg("baz"),
execs().with_status(0).with_stderr(&format!(
"[COMPILING] baz v0.5.0 ({}/bar/baz)\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
p.url()
)),
);
println!("building foo");
assert_that(
p.cargo("build").arg("-p").arg("foo"),
execs().with_status(0).with_stderr(&format!(
"[COMPILING] bar v0.5.0 ({}/bar)\n\
[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
p.url(),
p.url()
)),
);
}
#[test]
fn cargo_compile_with_root_dev_deps() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dev-dependencies.bar]
version = "0.5.0"
path = "../bar"
[[bin]]
name = "foo"
"#,
)
.file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.build();
let _p2 = project("bar")
.file(
"Cargo.toml",
r#"
[package]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
"#,
)
.file(
"src/lib.rs",
r#"
pub fn gimme() -> &'static str {
"zoidberg"
}
"#,
)
.build();
assert_that(p.cargo("build"), execs().with_status(101))
}
#[test]
fn cargo_compile_with_root_dev_deps_with_testing() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dev-dependencies.bar]
version = "0.5.0"
path = "../bar"
[[bin]]
name = "foo"
"#,
)
.file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.build();
let _p2 = project("bar")
.file(
"Cargo.toml",
r#"
[package]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
"#,
)
.file(
"src/lib.rs",
r#"
pub fn gimme() -> &'static str {
"zoidberg"
}
"#,
)
.build();
assert_that(
p.cargo("test"),
execs()
.with_stderr(
"\
[COMPILING] [..] v0.5.0 ([..])
[COMPILING] [..] v0.5.0 ([..])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
[RUNNING] target[/]debug[/]deps[/]foo-[..][EXE]",
)
.with_stdout_contains("running 0 tests"),
);
}
#[test]
fn cargo_compile_with_transitive_dev_deps() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
version = "0.5.0"
path = "bar"
"#,
)
.file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.file(
"bar/Cargo.toml",
r#"
[project]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
[dev-dependencies.baz]
git = "git://example.com/path/to/nowhere"
[lib]
name = "bar"
"#,
)
.file(
"bar/src/bar.rs",
r#"
pub fn gimme() -> &'static str {
"zoidberg"
}
"#,
)
.build();
assert_that(
p.cargo("build"),
execs().with_stderr(&format!(
"[COMPILING] bar v0.5.0 ({}/bar)\n\
[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) in \
[..]\n",
p.url(),
p.url()
)),
);
assert_that(&p.bin("foo"), existing_file());
assert_that(process(&p.bin("foo")), execs().with_stdout("zoidberg\n"));
}
#[test]
fn no_rebuild_dependency() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = "bar"
"#,
)
.file(
"src/main.rs",
r#"
extern crate bar;
fn main() { bar::bar() }
"#,
)
.file(
"bar/Cargo.toml",
r#"
[project]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
[lib]
name = "bar"
"#,
)
.file(
"bar/src/bar.rs",
r#"
pub fn bar() {}
"#,
)
.build();
// First time around we should compile both foo and bar
assert_that(
p.cargo("build"),
execs().with_stderr(&format!(
"[COMPILING] bar v0.5.0 ({}/bar)\n\
[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
p.url(),
p.url()
)),
);
sleep_ms(1000);
p.change_file(
"src/main.rs",
r#"
extern crate bar;
fn main() { bar::bar(); }
"#,
);
// Don't compile bar, but do recompile foo.
assert_that(
p.cargo("build"),
execs().with_stderr(
"\
[COMPILING] foo v0.5.0 ([..])\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
),
);
}
#[test]
fn deep_dependencies_trigger_rebuild() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = "bar"
"#,
)
.file(
"src/main.rs",
r#"
extern crate bar;
fn main() { bar::bar() }
"#,
)
.file(
"bar/Cargo.toml",
r#"
[project]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
[lib]
name = "bar"
[dependencies.baz]
path = "../baz"
"#,
)
.file(
"bar/src/bar.rs",
r#"
extern crate baz;
pub fn bar() { baz::baz() }
"#,
)
.file(
"baz/Cargo.toml",
r#"
[project]
name = "baz"
version = "0.5.0"
authors = ["wycats@example.com"]
[lib]
name = "baz"
"#,
)
.file(
"baz/src/baz.rs",
r#"
pub fn baz() {}
"#,
)
.build();
assert_that(
p.cargo("build"),
execs().with_stderr(&format!(
"[COMPILING] baz v0.5.0 ({}/baz)\n\
[COMPILING] bar v0.5.0 ({}/bar)\n\
[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
p.url(),
p.url(),
p.url()
)),
);
assert_that(p.cargo("build"), execs().with_stdout(""));
// Make sure an update to baz triggers a rebuild of bar
//
// We base recompilation off mtime, so sleep for at least a second to ensure
// that this write will change the mtime.
sleep_ms(1000);
File::create(&p.root().join("baz/src/baz.rs"))
.unwrap()
.write_all(
br#"
pub fn baz() { println!("hello!"); }
"#,
)
.unwrap();
assert_that(
p.cargo("build"),
execs().with_stderr(&format!(
"[COMPILING] baz v0.5.0 ({}/baz)\n\
[COMPILING] bar v0.5.0 ({}/bar)\n\
[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
p.url(),
p.url(),
p.url()
)),
);
// Make sure an update to bar doesn't trigger baz
sleep_ms(1000);
File::create(&p.root().join("bar/src/bar.rs"))
.unwrap()
.write_all(
br#"
extern crate baz;
pub fn bar() { println!("hello!"); baz::baz(); }
"#,
)
.unwrap();
assert_that(
p.cargo("build"),
execs().with_stderr(&format!(
"[COMPILING] bar v0.5.0 ({}/bar)\n\
[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
p.url(),
p.url()
)),
);
}
#[test]
fn no_rebuild_two_deps() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = "bar"
[dependencies.baz]
path = "baz"
"#,
)
.file(
"src/main.rs",
r#"
extern crate bar;
fn main() { bar::bar() }
"#,
)
.file(
"bar/Cargo.toml",
r#"
[project]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
[lib]
name = "bar"
[dependencies.baz]
path = "../baz"
"#,
)
.file(
"bar/src/bar.rs",
r#"
pub fn bar() {}
"#,
)
.file(
"baz/Cargo.toml",
r#"
[project]
name = "baz"
version = "0.5.0"
authors = ["wycats@example.com"]
[lib]
name = "baz"
"#,
)
.file(
"baz/src/baz.rs",
r#"
pub fn baz() {}
"#,
)
.build();
assert_that(
p.cargo("build"),
execs().with_stderr(&format!(
"[COMPILING] baz v0.5.0 ({}/baz)\n\
[COMPILING] bar v0.5.0 ({}/bar)\n\
[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
p.url(),
p.url(),
p.url()
)),
);
assert_that(&p.bin("foo"), existing_file());
assert_that(p.cargo("build"), execs().with_stdout(""));
assert_that(&p.bin("foo"), existing_file());
}
#[test]
fn nested_deps_recompile() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
version = "0.5.0"
path = "src/bar"
"#,
)
.file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.file(
"src/bar/Cargo.toml",
r#"
[project]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
[lib]
name = "bar"
"#,
)
.file("src/bar/src/bar.rs", "pub fn gimme() -> i32 { 92 }")
.build();
let bar = p.url();
assert_that(
p.cargo("build"),
execs().with_stderr(&format!(
"[COMPILING] bar v0.5.0 ({}/src/bar)\n\
[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
bar,
p.url()
)),
);
sleep_ms(1000);
File::create(&p.root().join("src/main.rs"))
.unwrap()
.write_all(
br#"
fn main() {}
"#,
)
.unwrap();
// This shouldn't recompile `bar`
assert_that(
p.cargo("build"),
execs().with_stderr(&format!(
"[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
p.url()
)),
);
}
#[test]
fn error_message_for_missing_manifest() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = "src/bar"
"#,
)
.file("src/lib.rs", "")
.file("src/bar/not-a-manifest", "")
.build();
assert_that(
p.cargo("build"),
execs().with_status(101).with_stderr(
"\
[ERROR] failed to load source for a dependency on `bar`
Caused by:
Unable to update file://[..]
Caused by:
failed to read `[..]bar[/]Cargo.toml`
Caused by:
[..] (os error [..])
",
),
);
}
#[test]
fn override_relative() {
let bar = project("bar")
.file(
"Cargo.toml",
r#"
[package]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
"#,
)
.file("src/lib.rs", "")
.build();
fs::create_dir(&paths::root().join(".cargo")).unwrap();
File::create(&paths::root().join(".cargo/config"))
.unwrap()
.write_all(br#"paths = ["bar"]"#)
.unwrap();
let p = project("foo")
.file(
"Cargo.toml",
&format!(
r#"
[package]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = '{}'
"#,
bar.root().display()
),
)
.file("src/lib.rs", "")
.build();
assert_that(p.cargo("build").arg("-v"), execs().with_status(0));
}
#[test]
fn override_self() {
let bar = project("bar")
.file(
"Cargo.toml",
r#"
[package]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
"#,
)
.file("src/lib.rs", "")
.build();
let p = project("foo");
let root = p.root().clone();
let p = p.file(
".cargo/config",
&format!(
r#"
paths = ['{}']
"#,
root.display()
),
).file(
"Cargo.toml",
&format!(
r#"
[package]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
path = '{}'
"#,
bar.root().display()
),
)
.file("src/lib.rs", "")
.file("src/main.rs", "fn main() {}")
.build();
assert_that(p.cargo("build"), execs().with_status(0));
}
#[test]
fn override_path_dep() {
let bar = project("bar")
.file(
"p1/Cargo.toml",
r#"
[package]
name = "p1"
version = "0.5.0"
authors = []
[dependencies.p2]
path = "../p2"
"#,
)
.file("p1/src/lib.rs", "")
.file(
"p2/Cargo.toml",
r#"
[package]
name = "p2"
version = "0.5.0"
authors = []
"#,
)
.file("p2/src/lib.rs", "")
.build();
let p = project("foo")
.file(
".cargo/config",
&format!(
r#"
paths = ['{}', '{}']
"#,
bar.root().join("p1").display(),
bar.root().join("p2").display()
),
)
.file(
"Cargo.toml",
&format!(
r#"
[package]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.p2]
path = '{}'
"#,
bar.root().join("p2").display()
),
)
.file("src/lib.rs", "")
.build();
assert_that(p.cargo("build").arg("-v"), execs().with_status(0));
}
#[test]
fn path_dep_build_cmd() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = ["wycats@example.com"]
[dependencies.bar]
version = "0.5.0"
path = "bar"
"#,
)
.file("src/main.rs", &main_file(r#""{}", bar::gimme()"#, &["bar"]))
.file(
"bar/Cargo.toml",
r#"
[project]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
build = "build.rs"
[lib]
name = "bar"
path = "src/bar.rs"
"#,
)
.file(
"bar/build.rs",
r#"
use std::fs;
fn main() {
fs::copy("src/bar.rs.in", "src/bar.rs").unwrap();
}
"#,
)
.file(
"bar/src/bar.rs.in",
r#"
pub fn gimme() -> i32 { 0 }
"#,
)
.build();
p.root().join("bar").move_into_the_past();
assert_that(
p.cargo("build"),
execs().with_stderr(&format!(
"[COMPILING] bar v0.5.0 ({}/bar)\n\
[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) in \
[..]\n",
p.url(),
p.url()
)),
);
assert_that(&p.bin("foo"), existing_file());
assert_that(process(&p.bin("foo")), execs().with_stdout("0\n"));
// Touching bar.rs.in should cause the `build` command to run again.
{
let file = fs::File::create(&p.root().join("bar/src/bar.rs.in"));
file.unwrap()
.write_all(br#"pub fn gimme() -> i32 { 1 }"#)
.unwrap();
}
assert_that(
p.cargo("build"),
execs().with_stderr(&format!(
"[COMPILING] bar v0.5.0 ({}/bar)\n\
[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) in \
[..]\n",
p.url(),
p.url()
)),
);
assert_that(process(&p.bin("foo")), execs().with_stdout("1\n"));
}
#[test]
fn dev_deps_no_rebuild_lib() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = []
[dev-dependencies.bar]
path = "bar"
[lib]
name = "foo"
doctest = false
"#,
)
.file(
"src/lib.rs",
r#"
#[cfg(test)] #[allow(unused_extern_crates)] extern crate bar;
#[cfg(not(test))] pub fn foo() { env!("FOO"); }
"#,
)
.file(
"bar/Cargo.toml",
r#"
[package]
name = "bar"
version = "0.5.0"
authors = ["wycats@example.com"]
"#,
)
.file("bar/src/lib.rs", "pub fn bar() {}")
.build();
assert_that(
p.cargo("build").env("FOO", "bar"),
execs().with_status(0).with_stderr(&format!(
"[COMPILING] foo v0.5.0 ({})\n\
[FINISHED] dev [unoptimized + debuginfo] target(s) \
in [..]\n",
p.url()
)),
);
assert_that(
p.cargo("test"),
execs()
.with_status(0)
.with_stderr(&format!(
"\
[COMPILING] [..] v0.5.0 ({url}[..])
[COMPILING] [..] v0.5.0 ({url}[..])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
[RUNNING] target[/]debug[/]deps[/]foo-[..][EXE]",
url = p.url()
))
.with_stdout_contains("running 0 tests"),
);
}
#[test]
fn custom_target_no_rebuild() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = []
[dependencies]
a = { path = "a" }
[workspace]
members = ["a", "b"]
"#,
)
.file("src/lib.rs", "")
.file(
"a/Cargo.toml",
r#"
[project]
name = "a"
version = "0.5.0"
authors = []
"#,
)
.file("a/src/lib.rs", "")
.file(
"b/Cargo.toml",
r#"
[project]
name = "b"
version = "0.5.0"
authors = []
[dependencies]
a = { path = "../a" }
"#,
)
.file("b/src/lib.rs", "")
.build();
assert_that(
p.cargo("build"),
execs().with_status(0).with_stderr(
"\
[COMPILING] a v0.5.0 ([..])
[COMPILING] foo v0.5.0 ([..])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
),
);
t!(fs::rename(
p.root().join("target"),
p.root().join("target_moved")
));
assert_that(
p.cargo("build")
.arg("--manifest-path=b/Cargo.toml")
.env("CARGO_TARGET_DIR", "target_moved"),
execs().with_status(0).with_stderr(
"\
[COMPILING] b v0.5.0 ([..])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
),
);
}
#[test]
fn override_and_depend() {
let p = project("foo")
.file(
"a/a1/Cargo.toml",
r#"
[project]
name = "a1"
version = "0.5.0"
authors = []
[dependencies]
a2 = { path = "../a2" }
"#,
)
.file("a/a1/src/lib.rs", "")
.file(
"a/a2/Cargo.toml",
r#"
[project]
name = "a2"
version = "0.5.0"
authors = []
"#,
)
.file("a/a2/src/lib.rs", "")
.file(
"b/Cargo.toml",
r#"
[project]
name = "b"
version = "0.5.0"
authors = []
[dependencies]
a1 = { path = "../a/a1" }
a2 = { path = "../a/a2" }
"#,
)
.file("b/src/lib.rs", "")
.file(
"b/.cargo/config",
r#"
paths = ["../a"]
"#,
)
.build();
assert_that(
p.cargo("build").cwd(p.root().join("b")),
execs().with_status(0).with_stderr(
"\
[COMPILING] a2 v0.5.0 ([..])
[COMPILING] a1 v0.5.0 ([..])
[COMPILING] b v0.5.0 ([..])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
),
);
}
#[test]
fn missing_path_dependency() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "a"
version = "0.5.0"
authors = []
"#,
)
.file("src/lib.rs", "")
.file(
".cargo/config",
r#"
paths = ["../whoa-this-does-not-exist"]
"#,
)
.build();
assert_that(
p.cargo("build"),
execs().with_status(101).with_stderr(
"\
[ERROR] failed to update path override `[..]../whoa-this-does-not-exist` \
(defined in `[..]`)
Caused by:
failed to read directory `[..]`
Caused by:
[..] (os error [..])
",
),
);
}
#[test]
fn invalid_path_dep_in_workspace_with_lockfile() {
Package::new("bar", "1.0.0").publish();
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "top"
version = "0.5.0"
authors = []
[workspace]
[dependencies]
foo = { path = "foo" }
"#,
)
.file("src/lib.rs", "")
.file(
"foo/Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = []
[dependencies]
bar = "*"
"#,
)
.file("foo/src/lib.rs", "")
.build();
// Generate a lock file
assert_that(p.cargo("build"), execs().with_status(0));
// Change the dependency on `bar` to an invalid path
File::create(&p.root().join("foo/Cargo.toml"))
.unwrap()
.write_all(
br#"
[project]
name = "foo"
version = "0.5.0"
authors = []
[dependencies]
bar = { path = "" }
"#,
)
.unwrap();
// Make sure we get a nice error. In the past this actually stack
// overflowed!
assert_that(
p.cargo("build"),
execs().with_status(101).with_stderr(
"\
error: no matching package named `bar` found
location searched: [..]
did you mean: foo
required by package `foo v0.5.0 ([..])`
",
),
);
}
#[test]
fn workspace_produces_rlib() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "top"
version = "0.5.0"
authors = []
[workspace]
[dependencies]
foo = { path = "foo" }
"#,
)
.file("src/lib.rs", "")
.file(
"foo/Cargo.toml",
r#"
[project]
name = "foo"
version = "0.5.0"
authors = []
"#,
)
.file("foo/src/lib.rs", "")
.build();
assert_that(p.cargo("build"), execs().with_status(0));
assert_that(&p.root().join("target/debug/libtop.rlib"), existing_file());
assert_that(
&p.root().join("target/debug/libfoo.rlib"),
is_not(existing_file()),
);
}
#[test]
fn thin_lto_works() {
let p = project("foo")
.file(
"Cargo.toml",
r#"
[project]
name = "top"
version = "0.5.0"
authors = []
[profile.release]
lto = 'thin'
"#,
)
.file("src/main.rs", "fn main() {}")
.build();
assert_that(
p.cargo("build").arg("--release").arg("-v"),
execs().with_stderr(
"\
[COMPILING] top [..]
[RUNNING] `rustc [..] -C lto=thin [..]`
[FINISHED] [..]
",
),
);
}