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-rw-r--r--src/tools/cargo/tests/testsuite/profile_trim_paths.rs614
1 files changed, 614 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/profile_trim_paths.rs b/src/tools/cargo/tests/testsuite/profile_trim_paths.rs
new file mode 100644
index 000000000..1d24c159b
--- /dev/null
+++ b/src/tools/cargo/tests/testsuite/profile_trim_paths.rs
@@ -0,0 +1,614 @@
+//! Tests for `-Ztrim-paths`.
+
+use cargo_test_support::basic_manifest;
+use cargo_test_support::git;
+use cargo_test_support::paths;
+use cargo_test_support::project;
+use cargo_test_support::registry::Package;
+
+#[cargo_test]
+fn gated_manifest() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [profile.dev]
+ trim-paths = "macro"
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .build();
+
+ p.cargo("check")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_status(101)
+ .with_stderr_contains(
+ "\
+[ERROR] failed to parse manifest at `[CWD]/Cargo.toml`
+
+Caused by:
+ feature `trim-paths` is required",
+ )
+ .run();
+}
+
+#[cargo_test]
+fn gated_config_toml() {
+ let p = project()
+ .file(
+ ".cargo/config.toml",
+ r#"
+ [profile.dev]
+ trim-paths = "macro"
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .build();
+
+ p.cargo("check")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_status(101)
+ .with_stderr_contains(
+ "\
+[ERROR] config profile `dev` is not valid (defined in `[CWD]/.cargo/config.toml`)
+
+Caused by:
+ feature `trim-paths` is required",
+ )
+ .run();
+}
+
+#[cargo_test(nightly, reason = "-Zremap-path-scope is unstable")]
+fn release_profile_default_to_object() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .build();
+
+ p.cargo("build --release --verbose -Ztrim-paths")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix=[CWD]= [..]
+[FINISHED] release [..]",
+ )
+ .run();
+}
+
+#[cargo_test(nightly, reason = "-Zremap-path-scope is unstable")]
+fn one_option() {
+ let build = |option| {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ &format!(
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [profile.dev]
+ trim-paths = "{option}"
+ "#
+ ),
+ )
+ .file("src/lib.rs", "")
+ .build();
+
+ p.cargo("build -v -Ztrim-paths")
+ };
+
+ for option in ["macro", "diagnostics", "object", "all"] {
+ build(option)
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_stderr(&format!(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope={option} \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix=[CWD]= [..]
+[FINISHED] dev [..]",
+ ))
+ .run();
+ }
+ build("none")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_stderr_does_not_contain("[..]-Zremap-path-scope=[..]")
+ .with_stderr_does_not_contain("[..]--remap-path-prefix=[..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "-Zremap-path-scope is unstable")]
+fn multiple_options() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [profile.dev]
+ trim-paths = ["diagnostics", "macro", "object"]
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .build();
+
+ p.cargo("build --verbose -Ztrim-paths")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=diagnostics,macro,object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix=[CWD]= [..]
+[FINISHED] dev [..]",
+ )
+ .run();
+}
+
+#[cargo_test(nightly, reason = "-Zremap-path-scope is unstable")]
+fn profile_merge_works() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [profile.dev]
+ trim-paths = ["macro"]
+
+ [profile.custom]
+ inherits = "dev"
+ trim-paths = ["diagnostics"]
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .build();
+
+ p.cargo("build -v -Ztrim-paths --profile custom")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=diagnostics \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix=[CWD]= [..]
+[FINISHED] custom [..]",
+ )
+ .run();
+}
+
+#[cargo_test(nightly, reason = "-Zremap-path-scope is unstable")]
+fn registry_dependency() {
+ Package::new("bar", "0.0.1")
+ .file("Cargo.toml", &basic_manifest("bar", "0.0.1"))
+ .file("src/lib.rs", r#"pub fn f() { println!("{}", file!()); }"#)
+ .publish();
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [dependencies]
+ bar = "0.0.1"
+
+ [profile.dev]
+ trim-paths = "object"
+ "#,
+ )
+ .file("src/main.rs", "fn main() { bar::f(); }")
+ .build();
+
+ let registry_src = paths::home().join(".cargo/registry/src");
+ let pkg_remap = format!("{}/[..]/bar-0.0.1=bar-0.0.1", registry_src.display());
+
+ p.cargo("run --verbose -Ztrim-paths")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_stdout("bar-0.0.1/src/lib.rs")
+ .with_stderr(&format!(
+ "\
+[UPDATING] [..]
+[DOWNLOADING] crates ...
+[DOWNLOADED] bar v0.0.1 ([..])
+[COMPILING] bar v0.0.1
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix={pkg_remap} [..]
+[COMPILING] foo v0.0.1 ([CWD])
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix=[CWD]= [..]
+[FINISHED] dev [..]
+[RUNNING] `target/debug/foo[EXE]`"
+ ))
+ .run();
+}
+
+#[cargo_test(nightly, reason = "-Zremap-path-scope is unstable")]
+fn git_dependency() {
+ let git_project = git::new("bar", |project| {
+ project
+ .file("Cargo.toml", &basic_manifest("bar", "0.0.1"))
+ .file("src/lib.rs", r#"pub fn f() { println!("{}", file!()); }"#)
+ });
+ let url = git_project.url();
+
+ let p = project()
+ .file(
+ "Cargo.toml",
+ &format!(
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [dependencies]
+ bar = {{ git = "{url}" }}
+
+ [profile.dev]
+ trim-paths = "object"
+ "#
+ ),
+ )
+ .file("src/main.rs", "fn main() { bar::f(); }")
+ .build();
+
+ let git_checkouts_src = paths::home().join(".cargo/git/checkouts");
+ let pkg_remap = format!("{}/bar-[..]/[..]=bar-0.0.1", git_checkouts_src.display());
+
+ p.cargo("run --verbose -Ztrim-paths")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_stdout("bar-0.0.1/src/lib.rs")
+ .with_stderr(&format!(
+ "\
+[UPDATING] git repository `{url}`
+[COMPILING] bar v0.0.1 ({url}[..])
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix={pkg_remap} [..]
+[COMPILING] foo v0.0.1 ([CWD])
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix=[CWD]= [..]
+[FINISHED] dev [..]
+[RUNNING] `target/debug/foo[EXE]`"
+ ))
+ .run();
+}
+
+#[cargo_test(nightly, reason = "-Zremap-path-scope is unstable")]
+fn path_dependency() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [dependencies]
+ bar = { path = "cocktail-bar" }
+
+ [profile.dev]
+ trim-paths = "object"
+ "#,
+ )
+ .file("src/main.rs", "fn main() { bar::f(); }")
+ .file("cocktail-bar/Cargo.toml", &basic_manifest("bar", "0.0.1"))
+ .file(
+ "cocktail-bar/src/lib.rs",
+ r#"pub fn f() { println!("{}", file!()); }"#,
+ )
+ .build();
+
+ p.cargo("run --verbose -Ztrim-paths")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_stdout("cocktail-bar/src/lib.rs")
+ .with_stderr(&format!(
+ "\
+[COMPILING] bar v0.0.1 ([..]/cocktail-bar)
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix=[CWD]= [..]
+[COMPILING] foo v0.0.1 ([CWD])
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix=[CWD]= [..]
+[FINISHED] dev [..]
+[RUNNING] `target/debug/foo[EXE]`"
+ ))
+ .run();
+}
+
+#[cargo_test(nightly, reason = "-Zremap-path-scope is unstable")]
+fn path_dependency_outside_workspace() {
+ let bar = project()
+ .at("bar")
+ .file("Cargo.toml", &basic_manifest("bar", "0.0.1"))
+ .file("src/lib.rs", r#"pub fn f() { println!("{}", file!()); }"#)
+ .build();
+ let bar_path = bar.url().to_file_path().unwrap();
+ let bar_path = bar_path.display();
+
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [dependencies]
+ bar = { path = "../bar" }
+
+ [profile.dev]
+ trim-paths = "object"
+ "#,
+ )
+ .file("src/main.rs", "fn main() { bar::f(); }")
+ .build();
+
+ p.cargo("run --verbose -Ztrim-paths")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_stdout("bar-0.0.1/src/lib.rs")
+ .with_stderr(&format!(
+ "\
+[COMPILING] bar v0.0.1 ([..]/bar)
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix={bar_path}=bar-0.0.1 [..]
+[COMPILING] foo v0.0.1 ([CWD])
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix=[CWD]= [..]
+[FINISHED] dev [..]
+[RUNNING] `target/debug/foo[EXE]`"
+ ))
+ .run();
+}
+
+#[cargo_test(nightly, reason = "-Zremap-path-scope is unstable")]
+fn diagnostics_works() {
+ Package::new("bar", "0.0.1")
+ .file("Cargo.toml", &basic_manifest("bar", "0.0.1"))
+ .file("src/lib.rs", r#"pub fn f() { let unused = 0; }"#)
+ .publish();
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [dependencies]
+ bar = "0.0.1"
+
+ [profile.dev]
+ trim-paths = "diagnostics"
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .build();
+
+ let registry_src = paths::home().join(".cargo/registry/src");
+ let registry_src = registry_src.display();
+ let pkg_remap = format!("{registry_src}/[..]/bar-0.0.1=bar-0.0.1");
+
+ p.cargo("build -vv -Ztrim-paths")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_stderr_line_without(
+ &["[..]bar-0.0.1/src/lib.rs:1[..]"],
+ &[&format!("{registry_src}")],
+ )
+ .with_stderr_contains("[..]unused_variables[..]")
+ .with_stderr_contains(&format!(
+ "\
+[RUNNING] [..]rustc [..]\
+ -Zremap-path-scope=diagnostics \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix={pkg_remap} [..]",
+ ))
+ .with_stderr_contains(
+ "\
+[RUNNING] [..]rustc [..]\
+ -Zremap-path-scope=diagnostics \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix=[CWD]= [..]",
+ )
+ .run();
+}
+
+#[cfg(target_os = "linux")]
+#[cargo_test(requires_readelf, nightly, reason = "-Zremap-path-scope is unstable")]
+fn object_works() {
+ use std::os::unix::ffi::OsStrExt;
+
+ let run_readelf = |path| {
+ std::process::Command::new("readelf")
+ .arg("-wi")
+ .arg(path)
+ .output()
+ .expect("readelf works")
+ };
+
+ let registry_src = paths::home().join(".cargo/registry/src");
+ let pkg_remap = format!("{}/[..]/bar-0.0.1=bar-0.0.1", registry_src.display());
+ let rust_src = "/lib/rustc/src/rust".as_bytes();
+ let registry_src_bytes = registry_src.as_os_str().as_bytes();
+
+ Package::new("bar", "0.0.1")
+ .file("Cargo.toml", &basic_manifest("bar", "0.0.1"))
+ .file("src/lib.rs", r#"pub fn f() { println!("{}", file!()); }"#)
+ .publish();
+
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [dependencies]
+ bar = "0.0.1"
+ "#,
+ )
+ .file("src/main.rs", "fn main() { bar::f(); }")
+ .build();
+
+ let pkg_root = p.root();
+ let pkg_root = pkg_root.as_os_str().as_bytes();
+
+ p.cargo("build").run();
+
+ let bin_path = p.bin("foo");
+ assert!(bin_path.is_file());
+ let stdout = run_readelf(bin_path).stdout;
+ // TODO: re-enable this check when rustc bootstrap disables remapping
+ // <https://github.com/rust-lang/cargo/pull/12625#discussion_r1371714791>
+ // assert!(memchr::memmem::find(&stdout, rust_src).is_some());
+ assert!(memchr::memmem::find(&stdout, registry_src_bytes).is_some());
+ assert!(memchr::memmem::find(&stdout, pkg_root).is_some());
+
+ p.cargo("clean").run();
+
+ p.change_file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [dependencies]
+ bar = "0.0.1"
+
+ [profile.dev]
+ trim-paths = "object"
+ "#,
+ );
+
+ p.cargo("build --verbose -Ztrim-paths")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .with_stderr(&format!(
+ "\
+[COMPILING] bar v0.0.1
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix={pkg_remap} [..]
+[COMPILING] foo v0.0.1 ([CWD])
+[RUNNING] `rustc [..]\
+ -Zremap-path-scope=object \
+ --remap-path-prefix=[..]/lib/rustlib/src/rust=/rustc/[..] \
+ --remap-path-prefix=[CWD]= [..]
+[FINISHED] dev [..]",
+ ))
+ .run();
+
+ let bin_path = p.bin("foo");
+ assert!(bin_path.is_file());
+ let stdout = run_readelf(bin_path).stdout;
+ assert!(memchr::memmem::find(&stdout, rust_src).is_none());
+ assert!(memchr::memmem::find(&stdout, registry_src_bytes).is_none());
+ assert!(memchr::memmem::find(&stdout, pkg_root).is_none());
+}
+
+// TODO: might want to move to test/testsuite/build_script.rs once stabilized.
+#[cargo_test(nightly, reason = "-Zremap-path-scope is unstable")]
+fn custom_build_env_var_trim_paths() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .file("build.rs", "")
+ .build();
+
+ let test_cases = [
+ ("[]", "none"),
+ ("\"all\"", "all"),
+ ("\"diagnostics\"", "diagnostics"),
+ ("\"macro\"", "macro"),
+ ("\"none\"", "none"),
+ ("\"object\"", "object"),
+ ("false", "none"),
+ ("true", "all"),
+ (
+ r#"["diagnostics", "macro", "object"]"#,
+ "diagnostics,macro,object",
+ ),
+ ];
+
+ for (opts, expected) in test_cases {
+ p.change_file(
+ "Cargo.toml",
+ &format!(
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+
+ [profile.dev]
+ trim-paths = {opts}
+ "#
+ ),
+ );
+
+ p.change_file(
+ "build.rs",
+ &format!(
+ r#"
+ fn main() {{
+ assert_eq!(
+ std::env::var("CARGO_TRIM_PATHS").unwrap().as_str(),
+ "{expected}",
+ );
+ }}
+ "#
+ ),
+ );
+
+ p.cargo("build -Ztrim-paths")
+ .masquerade_as_nightly_cargo(&["-Ztrim-paths"])
+ .run();
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-26 08:42:17 +0000