cargo/tests/testsuite/tool_paths.rs

use support::rustc_host;
use support::{basic_lib_manifest, execs, project, path2url};
use support::hamcrest::assert_that;

#[test]
fn pathless_tools() {
    let target = rustc_host();

    let foo = project()
        .file("Cargo.toml", &basic_lib_manifest("foo"))
        .file("src/lib.rs", "")
        .file(
            ".cargo/config",
            &format!(
                r#"
            [target.{}]
            ar = "nonexistent-ar"
            linker = "nonexistent-linker"
        "#,
                target
            ),
        )
        .build();

    assert_that(
        foo.cargo("build --verbose"),
        execs().with_stderr(&format!(
            "\
[COMPILING] foo v0.5.0 ({url})
[RUNNING] `rustc [..] -C ar=nonexistent-ar -C linker=nonexistent-linker [..]`
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
            url = foo.url()
        )),
    )
}

#[test]
fn absolute_tools() {
    let target = rustc_host();
    let root = if cfg!(windows) { r#"C:\"# } else { "/" };

    // Escaped as they appear within a TOML config file
    let config = if cfg!(windows) {
        (
            r#"C:\\bogus\\nonexistent-ar"#,
            r#"C:\\bogus\\nonexistent-linker"#,
        )
    } else {
        (r#"/bogus/nonexistent-ar"#, r#"/bogus/nonexistent-linker"#)
    };

    let foo = project()
        .file("Cargo.toml", &basic_lib_manifest("foo"))
        .file("src/lib.rs", "")
        .file(
            ".cargo/config",
            &format!(
                r#"
            [target.{target}]
            ar = "{ar}"
            linker = "{linker}"
        "#,
                target = target,
                ar = config.0,
                linker = config.1
            ),
        )
        .build();

    assert_that(
        foo.cargo("build --verbose"),
        execs().with_stderr(&format!(
            "\
[COMPILING] foo v0.5.0 ({url})
[RUNNING] `rustc [..] -C ar={root}bogus/nonexistent-ar -C linker={root}bogus/nonexistent-linker [..]`
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
            url = foo.url(),
            root = root,
        )),
    )
}

#[test]
fn relative_tools() {
    let target = rustc_host();

    // Escaped as they appear within a TOML config file
    let config = if cfg!(windows) {
        (r#".\\nonexistent-ar"#, r#".\\tools\\nonexistent-linker"#)
    } else {
        (r#"./nonexistent-ar"#, r#"./tools/nonexistent-linker"#)
    };

    // Funky directory structure to test that relative tool paths are made absolute
    // by reference to the `.cargo/..` directory and not to (for example) the CWD.
    let p = project()
        .no_manifest()
        .file("bar/Cargo.toml", &basic_lib_manifest("bar"))
        .file("bar/src/lib.rs", "")
        .file(
            ".cargo/config",
            &format!(
                r#"
            [target.{target}]
            ar = "{ar}"
            linker = "{linker}"
        "#,
                target = target,
                ar = config.0,
                linker = config.1
            ),
        )
        .build();

    let foo_path = p.root().join("bar");
    let foo_url = path2url(&foo_path);
    let prefix = p.root().into_os_string().into_string().unwrap();

    assert_that(
        p.cargo("build --verbose").cwd(foo_path),
        execs().with_stderr(&format!(
            "\
[COMPILING] bar v0.5.0 ({url})
[RUNNING] `rustc [..] -C ar={prefix}/./nonexistent-ar -C linker={prefix}/./tools/nonexistent-linker [..]`
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
            url = foo_url,
            prefix = prefix,
        )),
    )
}

#[test]
fn custom_runner() {
    let target = rustc_host();

    let p = project()
        .file("src/main.rs", "fn main() {}")
        .file("tests/test.rs", "")
        .file("benches/bench.rs", "")
        .file(
            ".cargo/config",
            &format!(
                r#"
            [target.{}]
            runner = "nonexistent-runner -r"
        "#,
                target
            ),
        )
        .build();

    assert_that(
        p.cargo("run -- --param"),
        execs().with_status(101).with_stderr_contains(&format!(
            "\
[COMPILING] foo v0.0.1 ({url})
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
[RUNNING] `nonexistent-runner -r target/debug/foo[EXE] --param`
",
            url = p.url()
        )),
    );

    assert_that(
        p.cargo("test --test test --verbose -- --param"),
        execs().with_status(101).with_stderr_contains(&format!(
            "\
[COMPILING] foo v0.0.1 ({url})
[RUNNING] `rustc [..]`
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
[RUNNING] `nonexistent-runner -r [..]/target/debug/deps/test-[..][EXE] --param`
",
            url = p.url()
        )),
    );

    assert_that(
        p.cargo("bench --bench bench --verbose -- --param"),
        execs().with_status(101).with_stderr_contains(&format!(
            "\
[COMPILING] foo v0.0.1 ({url})
[RUNNING] `rustc [..]`
[RUNNING] `rustc [..]`
[FINISHED] release [optimized] target(s) in [..]
[RUNNING] `nonexistent-runner -r [..]/target/release/deps/bench-[..][EXE] --param --bench`
",
            url = p.url()
        )),
    );
}