diff options
Diffstat (limited to 'src/tools/cargo/tests/testsuite/rustc_info_cache.rs')
| -rw-r--r-- | src/tools/cargo/tests/testsuite/rustc_info_cache.rs | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/rustc_info_cache.rs b/src/tools/cargo/tests/testsuite/rustc_info_cache.rs new file mode 100644 index 000000000..9747fa357 --- /dev/null +++ b/src/tools/cargo/tests/testsuite/rustc_info_cache.rs @@ -0,0 +1,186 @@ +//! Tests for the cache file for the rustc version info. + +use cargo_test_support::{basic_bin_manifest, paths::CargoPathExt}; +use cargo_test_support::{basic_manifest, project}; +use std::env; + +const MISS: &str = "[..] rustc info cache miss[..]"; +const HIT: &str = "[..]rustc info cache hit[..]"; +const UPDATE: &str = "[..]updated rustc info cache[..]"; + +#[cargo_test] +fn rustc_info_cache() { + let p = project() + .file("src/main.rs", r#"fn main() { println!("hello"); }"#) + .build(); + + p.cargo("build") + .env("CARGO_LOG", "cargo::util::rustc=debug") + .with_stderr_contains("[..]failed to read rustc info cache[..]") + .with_stderr_contains(MISS) + .with_stderr_does_not_contain(HIT) + .with_stderr_contains(UPDATE) + .run(); + + p.cargo("build") + .env("CARGO_LOG", "cargo::util::rustc=debug") + .with_stderr_contains("[..]reusing existing rustc info cache[..]") + .with_stderr_contains(HIT) + .with_stderr_does_not_contain(MISS) + .with_stderr_does_not_contain(UPDATE) + .run(); + + p.cargo("build") + .env("CARGO_LOG", "cargo::util::rustc=debug") + .env("CARGO_CACHE_RUSTC_INFO", "0") + .with_stderr_contains("[..]rustc info cache disabled[..]") + .with_stderr_does_not_contain(UPDATE) + .run(); + + let other_rustc = { + let p = project() + .at("compiler") + .file("Cargo.toml", &basic_manifest("compiler", "0.1.0")) + .file( + "src/main.rs", + r#" + use std::process::Command; + use std::env; + + fn main() { + let mut cmd = Command::new("rustc"); + for arg in env::args_os().skip(1) { + cmd.arg(arg); + } + std::process::exit(cmd.status().unwrap().code().unwrap()); + } + "#, + ) + .build(); + p.cargo("build").run(); + + p.root() + .join("target/debug/compiler") + .with_extension(env::consts::EXE_EXTENSION) + }; + + p.cargo("build") + .env("CARGO_LOG", "cargo::util::rustc=debug") + .env("RUSTC", other_rustc.display().to_string()) + .with_stderr_contains("[..]different compiler, creating new rustc info cache[..]") + .with_stderr_contains(MISS) + .with_stderr_does_not_contain(HIT) + .with_stderr_contains(UPDATE) + .run(); + + p.cargo("build") + .env("CARGO_LOG", "cargo::util::rustc=debug") + .env("RUSTC", other_rustc.display().to_string()) + .with_stderr_contains("[..]reusing existing rustc info cache[..]") + .with_stderr_contains(HIT) + .with_stderr_does_not_contain(MISS) + .with_stderr_does_not_contain(UPDATE) + .run(); + + other_rustc.move_into_the_future(); + + p.cargo("build") + .env("CARGO_LOG", "cargo::util::rustc=debug") + .env("RUSTC", other_rustc.display().to_string()) + .with_stderr_contains("[..]different compiler, creating new rustc info cache[..]") + .with_stderr_contains(MISS) + .with_stderr_does_not_contain(HIT) + .with_stderr_contains(UPDATE) + .run(); + + p.cargo("build") + .env("CARGO_LOG", "cargo::util::rustc=debug") + .env("RUSTC", other_rustc.display().to_string()) + .with_stderr_contains("[..]reusing existing rustc info cache[..]") + .with_stderr_contains(HIT) + .with_stderr_does_not_contain(MISS) + .with_stderr_does_not_contain(UPDATE) + .run(); +} + +#[cargo_test] +fn rustc_info_cache_with_wrappers() { + let wrapper_project = project() + .at("wrapper") + .file("Cargo.toml", &basic_bin_manifest("wrapper")) + .file("src/main.rs", r#"fn main() { }"#) + .build(); + let wrapper = wrapper_project.bin("wrapper"); + + let p = project() + .file( + "Cargo.toml", + r#" + [package] + name = "test" + version = "0.0.0" + authors = [] + [workspace] + "#, + ) + .file("src/main.rs", r#"fn main() { println!("hello"); }"#) + .build(); + + for &wrapper_env in ["RUSTC_WRAPPER", "RUSTC_WORKSPACE_WRAPPER"].iter() { + p.cargo("clean").with_status(0).run(); + wrapper_project.change_file( + "src/main.rs", + r#" + fn main() { + let mut args = std::env::args_os(); + let _me = args.next().unwrap(); + let rustc = args.next().unwrap(); + let status = std::process::Command::new(rustc).args(args).status().unwrap(); + std::process::exit(if status.success() { 0 } else { 1 }) + } + "#, + ); + wrapper_project.cargo("build").with_status(0).run(); + + p.cargo("build") + .env("CARGO_LOG", "cargo::util::rustc=debug") + .env(wrapper_env, &wrapper) + .with_stderr_contains("[..]failed to read rustc info cache[..]") + .with_stderr_contains(MISS) + .with_stderr_contains(UPDATE) + .with_stderr_does_not_contain(HIT) + .with_status(0) + .run(); + p.cargo("build") + .env("CARGO_LOG", "cargo::util::rustc=debug") + .env(wrapper_env, &wrapper) + .with_stderr_contains("[..]reusing existing rustc info cache[..]") + .with_stderr_contains(HIT) + .with_stderr_does_not_contain(UPDATE) + .with_stderr_does_not_contain(MISS) + .with_status(0) + .run(); + + wrapper_project.change_file("src/main.rs", r#"fn main() { panic!() }"#); + wrapper_project.cargo("build").with_status(0).run(); + + p.cargo("build") + .env("CARGO_LOG", "cargo::util::rustc=debug") + .env(wrapper_env, &wrapper) + .with_stderr_contains("[..]different compiler, creating new rustc info cache[..]") + .with_stderr_contains(MISS) + .with_stderr_contains(UPDATE) + .with_stderr_does_not_contain(HIT) + .with_status(101) + .run(); + p.cargo("build") + .env("CARGO_LOG", "cargo::util::rustc=debug") + .env(wrapper_env, &wrapper) + .with_stderr_contains("[..]reusing existing rustc info cache[..]") + .with_stderr_contains(HIT) + .with_stderr_does_not_contain(UPDATE) + .with_stderr_does_not_contain(MISS) + .with_status(101) + .run(); + } +} |