1 files changed, 675 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/clean.rs b/src/tools/cargo/tests/testsuite/clean.rs
new file mode 100644
index 000000000..e0885fd26
--- /dev/null
+++ b/src/tools/cargo/tests/testsuite/clean.rs
@@ -0,0 +1,675 @@
+//! Tests for the `cargo clean` command.
+
+use cargo_test_support::registry::Package;
+use cargo_test_support::{
+    basic_bin_manifest, basic_manifest, git, main_file, project, project_in, rustc_host,
+};
+use glob::GlobError;
+use std::env;
+use std::path::{Path, PathBuf};
+
+#[cargo_test]
+fn cargo_clean_simple() {
+    let p = project()
+        .file("Cargo.toml", &basic_bin_manifest("foo"))
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .build();
+
+    p.cargo("build").run();
+    assert!(p.build_dir().is_dir());
+
+    p.cargo("clean").run();
+    assert!(!p.build_dir().is_dir());
+}
+
+#[cargo_test]
+fn different_dir() {
+    let p = project()
+        .file("Cargo.toml", &basic_bin_manifest("foo"))
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .file("src/bar/a.rs", "")
+        .build();
+
+    p.cargo("build").run();
+    assert!(p.build_dir().is_dir());
+
+    p.cargo("clean").cwd("src").with_stdout("").run();
+    assert!(!p.build_dir().is_dir());
+}
+
+#[cargo_test]
+fn clean_multiple_packages() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                version = "0.0.1"
+                authors = []
+
+                [dependencies.d1]
+                    path = "d1"
+                [dependencies.d2]
+                    path = "d2"
+
+                [[bin]]
+                    name = "foo"
+            "#,
+        )
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .file("d1/Cargo.toml", &basic_bin_manifest("d1"))
+        .file("d1/src/main.rs", "fn main() { println!(\"d1\"); }")
+        .file("d2/Cargo.toml", &basic_bin_manifest("d2"))
+        .file("d2/src/main.rs", "fn main() { println!(\"d2\"); }")
+        .build();
+
+    p.cargo("build -p d1 -p d2 -p foo").run();
+
+    let d1_path = &p
+        .build_dir()
+        .join("debug")
+        .join(format!("d1{}", env::consts::EXE_SUFFIX));
+    let d2_path = &p
+        .build_dir()
+        .join("debug")
+        .join(format!("d2{}", env::consts::EXE_SUFFIX));
+
+    assert!(p.bin("foo").is_file());
+    assert!(d1_path.is_file());
+    assert!(d2_path.is_file());
+
+    p.cargo("clean -p d1 -p d2")
+        .cwd("src")
+        .with_stdout("")
+        .run();
+    assert!(p.bin("foo").is_file());
+    assert!(!d1_path.is_file());
+    assert!(!d2_path.is_file());
+}
+
+#[cargo_test]
+fn clean_multiple_packages_in_glob_char_path() {
+    let p = project_in("[d1]")
+        .file("Cargo.toml", &basic_bin_manifest("foo"))
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .build();
+    let foo_path = &p.build_dir().join("debug").join("deps");
+
+    #[cfg(not(target_env = "msvc"))]
+    let file_glob = "foo-*";
+
+    #[cfg(target_env = "msvc")]
+    let file_glob = "foo.pdb";
+
+    // Assert that build artifacts are produced
+    p.cargo("build").run();
+    assert_ne!(get_build_artifacts(foo_path, file_glob).len(), 0);
+
+    // Assert that build artifacts are destroyed
+    p.cargo("clean -p foo").run();
+    assert_eq!(get_build_artifacts(foo_path, file_glob).len(), 0);
+}
+
+fn get_build_artifacts(path: &PathBuf, file_glob: &str) -> Vec<Result<PathBuf, GlobError>> {
+    let pattern = path.to_str().expect("expected utf-8 path");
+    let pattern = glob::Pattern::escape(pattern);
+
+    let path = PathBuf::from(pattern).join(file_glob);
+    let path = path.to_str().expect("expected utf-8 path");
+    glob::glob(path)
+        .expect("expected glob to run")
+        .into_iter()
+        .collect::<Vec<Result<PathBuf, GlobError>>>()
+}
+
+#[cargo_test]
+fn clean_p_only_cleans_specified_package() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [workspace]
+                members = [
+                    "foo",
+                    "foo_core",
+                    "foo-base",
+                ]
+            "#,
+        )
+        .file("foo/Cargo.toml", &basic_manifest("foo", "0.1.0"))
+        .file("foo/src/lib.rs", "//! foo")
+        .file("foo_core/Cargo.toml", &basic_manifest("foo_core", "0.1.0"))
+        .file("foo_core/src/lib.rs", "//! foo_core")
+        .file("foo-base/Cargo.toml", &basic_manifest("foo-base", "0.1.0"))
+        .file("foo-base/src/lib.rs", "//! foo-base")
+        .build();
+
+    let fingerprint_path = &p.build_dir().join("debug").join(".fingerprint");
+
+    p.cargo("build -p foo -p foo_core -p foo-base").run();
+
+    let mut fingerprint_names = get_fingerprints_without_hashes(fingerprint_path);
+
+    // Artifacts present for all after building
+    assert!(fingerprint_names.iter().any(|e| e == "foo"));
+    let num_foo_core_artifacts = fingerprint_names
+        .iter()
+        .filter(|&e| e == "foo_core")
+        .count();
+    assert_ne!(num_foo_core_artifacts, 0);
+    let num_foo_base_artifacts = fingerprint_names
+        .iter()
+        .filter(|&e| e == "foo-base")
+        .count();
+    assert_ne!(num_foo_base_artifacts, 0);
+
+    p.cargo("clean -p foo").run();
+
+    fingerprint_names = get_fingerprints_without_hashes(fingerprint_path);
+
+    // Cleaning `foo` leaves artifacts for the others
+    assert!(!fingerprint_names.iter().any(|e| e == "foo"));
+    assert_eq!(
+        fingerprint_names
+            .iter()
+            .filter(|&e| e == "foo_core")
+            .count(),
+        num_foo_core_artifacts,
+    );
+    assert_eq!(
+        fingerprint_names
+            .iter()
+            .filter(|&e| e == "foo-base")
+            .count(),
+        num_foo_core_artifacts,
+    );
+}
+
+fn get_fingerprints_without_hashes(fingerprint_path: &Path) -> Vec<String> {
+    std::fs::read_dir(fingerprint_path)
+        .expect("Build dir should be readable")
+        .filter_map(|entry| entry.ok())
+        .map(|entry| {
+            let name = entry.file_name();
+            let name = name
+                .into_string()
+                .expect("fingerprint name should be UTF-8");
+            name.rsplit_once('-')
+                .expect("Name should contain at least one hyphen")
+                .0
+                .to_owned()
+        })
+        .collect()
+}
+
+#[cargo_test]
+fn clean_release() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                version = "0.0.1"
+                authors = []
+
+                [dependencies]
+                a = { path = "a" }
+            "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .file("a/Cargo.toml", &basic_manifest("a", "0.0.1"))
+        .file("a/src/lib.rs", "")
+        .build();
+
+    p.cargo("build --release").run();
+
+    p.cargo("clean -p foo").run();
+    p.cargo("build --release").with_stdout("").run();
+
+    p.cargo("clean -p foo --release").run();
+    p.cargo("build --release")
+        .with_stderr(
+            "\
+[COMPILING] foo v0.0.1 ([..])
+[FINISHED] release [optimized] target(s) in [..]
+",
+        )
+        .run();
+
+    p.cargo("build").run();
+
+    p.cargo("clean").arg("--release").run();
+    assert!(p.build_dir().is_dir());
+    assert!(p.build_dir().join("debug").is_dir());
+    assert!(!p.build_dir().join("release").is_dir());
+}
+
+#[cargo_test]
+fn clean_doc() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                version = "0.0.1"
+                authors = []
+
+                [dependencies]
+                a = { path = "a" }
+            "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .file("a/Cargo.toml", &basic_manifest("a", "0.0.1"))
+        .file("a/src/lib.rs", "")
+        .build();
+
+    p.cargo("doc").run();
+
+    let doc_path = &p.build_dir().join("doc");
+
+    assert!(doc_path.is_dir());
+
+    p.cargo("clean --doc").run();
+
+    assert!(!doc_path.is_dir());
+    assert!(p.build_dir().is_dir());
+}
+
+#[cargo_test]
+fn build_script() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                version = "0.0.1"
+                authors = []
+                build = "build.rs"
+            "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .file(
+            "build.rs",
+            r#"
+                use std::path::PathBuf;
+                use std::env;
+
+                fn main() {
+                    let out = PathBuf::from(env::var_os("OUT_DIR").unwrap());
+                    if env::var("FIRST").is_ok() {
+                        std::fs::File::create(out.join("out")).unwrap();
+                    } else {
+                        assert!(!out.join("out").exists());
+                    }
+                }
+            "#,
+        )
+        .file("a/src/lib.rs", "")
+        .build();
+
+    p.cargo("build").env("FIRST", "1").run();
+    p.cargo("clean -p foo").run();
+    p.cargo("build -v")
+        .with_stderr(
+            "\
+[COMPILING] foo v0.0.1 ([..])
+[RUNNING] `rustc [..] build.rs [..]`
+[RUNNING] `[..]build-script-build`
+[RUNNING] `rustc [..] src/main.rs [..]`
+[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
+",
+        )
+        .run();
+}
+
+#[cargo_test]
+fn clean_git() {
+    let git = git::new("dep", |project| {
+        project
+            .file("Cargo.toml", &basic_manifest("dep", "0.5.0"))
+            .file("src/lib.rs", "")
+    });
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            &format!(
+                r#"
+                    [package]
+                    name = "foo"
+                    version = "0.0.1"
+                    authors = []
+
+                    [dependencies]
+                    dep = {{ git = '{}' }}
+                "#,
+                git.url()
+            ),
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("build").run();
+    p.cargo("clean -p dep").with_stdout("").run();
+    p.cargo("build").run();
+}
+
+#[cargo_test]
+fn registry() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                version = "0.0.1"
+                authors = []
+
+                [dependencies]
+                bar = "0.1"
+            "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    Package::new("bar", "0.1.0").publish();
+
+    p.cargo("build").run();
+    p.cargo("clean -p bar").with_stdout("").run();
+    p.cargo("build").run();
+}
+
+#[cargo_test]
+fn clean_verbose() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                version = "0.0.1"
+
+                [dependencies]
+                bar = "0.1"
+            "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    Package::new("bar", "0.1.0").publish();
+
+    p.cargo("build").run();
+    let mut expected = String::from(
+        "\
+[REMOVING] [..]target/debug/.fingerprint/bar[..]
+[REMOVING] [..]target/debug/deps/libbar[..].rlib
+[REMOVING] [..]target/debug/deps/bar-[..].d
+[REMOVING] [..]target/debug/deps/libbar[..].rmeta
+",
+    );
+    if cfg!(target_os = "macos") {
+        // Rust 1.69 has changed so that split-debuginfo=unpacked includes unpacked for rlibs.
+        for obj in p.glob("target/debug/deps/bar-*.o") {
+            expected.push_str(&format!("[REMOVING] [..]{}", obj.unwrap().display()));
+        }
+    }
+    p.cargo("clean -p bar --verbose")
+        .with_stderr_unordered(&expected)
+        .run();
+    p.cargo("build").run();
+}
+
+#[cargo_test]
+fn clean_remove_rlib_rmeta() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                version = "0.0.1"
+            "#,
+        )
+        .file("src/lib.rs", "")
+        .build();
+
+    p.cargo("build").run();
+    assert!(p.target_debug_dir().join("libfoo.rlib").exists());
+    let rmeta = p.glob("target/debug/deps/*.rmeta").next().unwrap().unwrap();
+    assert!(rmeta.exists());
+    p.cargo("clean -p foo").run();
+    assert!(!p.target_debug_dir().join("libfoo.rlib").exists());
+    assert!(!rmeta.exists());
+}
+
+#[cargo_test]
+fn package_cleans_all_the_things() {
+    // -p cleans everything
+    // Use dashes everywhere to make sure dash/underscore stuff is handled.
+    for crate_type in &["rlib", "dylib", "cdylib", "staticlib", "proc-macro"] {
+        // Try each crate type individually since the behavior changes when
+        // they are combined.
+        let p = project()
+            .file(
+                "Cargo.toml",
+                &format!(
+                    r#"
+                    [package]
+                    name = "foo-bar"
+                    version = "0.1.0"
+
+                    [lib]
+                    crate-type = ["{}"]
+                    "#,
+                    crate_type
+                ),
+            )
+            .file("src/lib.rs", "")
+            .build();
+        p.cargo("build").run();
+        p.cargo("clean -p foo-bar").run();
+        assert_all_clean(&p.build_dir());
+    }
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "foo-bar"
+            version = "0.1.0"
+            edition = "2018"
+
+            [lib]
+            crate-type = ["rlib", "dylib", "staticlib"]
+
+            [[example]]
+            name = "foo-ex-rlib"
+            crate-type = ["rlib"]
+            test = true
+
+            [[example]]
+            name = "foo-ex-cdylib"
+            crate-type = ["cdylib"]
+            test = true
+
+            [[example]]
+            name = "foo-ex-bin"
+            test = true
+            "#,
+        )
+        .file("src/lib.rs", "")
+        .file("src/lib/some-main.rs", "fn main() {}")
+        .file("src/bin/other-main.rs", "fn main() {}")
+        .file("examples/foo-ex-rlib.rs", "")
+        .file("examples/foo-ex-cdylib.rs", "")
+        .file("examples/foo-ex-bin.rs", "fn main() {}")
+        .file("tests/foo-test.rs", "")
+        .file("benches/foo-bench.rs", "")
+        .file("build.rs", "fn main() {}")
+        .build();
+
+    p.cargo("build --all-targets")
+        .env("CARGO_INCREMENTAL", "1")
+        .run();
+    p.cargo("test --all-targets")
+        .env("CARGO_INCREMENTAL", "1")
+        .run();
+    p.cargo("check --all-targets")
+        .env("CARGO_INCREMENTAL", "1")
+        .run();
+    p.cargo("clean -p foo-bar").run();
+    assert_all_clean(&p.build_dir());
+
+    // Try some targets.
+    p.cargo("build --all-targets --target")
+        .arg(rustc_host())
+        .run();
+    p.cargo("clean -p foo-bar --target").arg(rustc_host()).run();
+    assert_all_clean(&p.build_dir());
+}
+
+// Ensures that all files for the package have been deleted.
+#[track_caller]
+fn assert_all_clean(build_dir: &Path) {
+    let walker = walkdir::WalkDir::new(build_dir).into_iter();
+    for entry in walker.filter_entry(|e| {
+        let path = e.path();
+        // This is a known limitation, clean can't differentiate between
+        // the different build scripts from different packages.
+        !(path
+            .file_name()
+            .unwrap()
+            .to_str()
+            .unwrap()
+            .starts_with("build_script_build")
+            && path
+                .parent()
+                .unwrap()
+                .file_name()
+                .unwrap()
+                .to_str()
+                .unwrap()
+                == "incremental")
+    }) {
+        let entry = entry.unwrap();
+        let path = entry.path();
+        if let ".rustc_info.json" | ".cargo-lock" | "CACHEDIR.TAG" =
+            path.file_name().unwrap().to_str().unwrap()
+        {
+            continue;
+        }
+        if path.is_symlink() || path.is_file() {
+            panic!("{:?} was not cleaned", path);
+        }
+    }
+}
+
+#[cargo_test]
+fn clean_spec_multiple() {
+    // clean -p foo where foo matches multiple versions
+    Package::new("bar", "1.0.0").publish();
+    Package::new("bar", "2.0.0").publish();
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "foo"
+            version = "0.1.0"
+
+            [dependencies]
+            bar1 = {version="1.0", package="bar"}
+            bar2 = {version="2.0", package="bar"}
+            "#,
+        )
+        .file("src/lib.rs", "")
+        .build();
+
+    p.cargo("build").run();
+
+    // Check suggestion for bad pkgid.
+    p.cargo("clean -p baz")
+        .with_status(101)
+        .with_stderr(
+            "\
+error: package ID specification `baz` did not match any packages
+
+<tab>Did you mean `bar`?
+",
+        )
+        .run();
+
+    p.cargo("clean -p bar:1.0.0")
+        .with_stderr(
+            "warning: version qualifier in `-p bar:1.0.0` is ignored, \
+            cleaning all versions of `bar` found",
+        )
+        .run();
+    let mut walker = walkdir::WalkDir::new(p.build_dir())
+        .into_iter()
+        .filter_map(|e| e.ok())
+        .filter(|e| {
+            let n = e.file_name().to_str().unwrap();
+            n.starts_with("bar") || n.starts_with("libbar")
+        });
+    if let Some(e) = walker.next() {
+        panic!("{:?} was not cleaned", e.path());
+    }
+}
+
+#[cargo_test]
+fn clean_spec_reserved() {
+    // Clean when a target (like a test) has a reserved name. In this case,
+    // make sure `clean -p` doesn't delete the reserved directory `build` when
+    // there is a test named `build`.
+    Package::new("bar", "1.0.0")
+        .file("src/lib.rs", "")
+        .file("build.rs", "fn main() {}")
+        .publish();
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                version = "0.1.0"
+
+                [dependencies]
+                bar = "1.0"
+            "#,
+        )
+        .file("src/lib.rs", "")
+        .file("tests/build.rs", "")
+        .build();
+
+    p.cargo("build --all-targets").run();
+    assert!(p.target_debug_dir().join("build").is_dir());
+    let build_test = p.glob("target/debug/deps/build-*").next().unwrap().unwrap();
+    assert!(build_test.exists());
+    // Tests are never "uplifted".
+    assert!(p.glob("target/debug/build-*").next().is_none());
+
+    p.cargo("clean -p foo").run();
+    // Should not delete this.
+    assert!(p.target_debug_dir().join("build").is_dir());
+
+    // This should not rebuild bar.
+    p.cargo("build -v --all-targets")
+        .with_stderr(
+            "\
+[FRESH] bar v1.0.0
+[COMPILING] foo v0.1.0 [..]
+[RUNNING] `rustc [..]
+[RUNNING] `rustc [..]
+[RUNNING] `rustc [..]
+[FINISHED] [..]
+",
+        )
+        .run();
+}