93daf27a40
Do not check if clippy version matches rustc version when runnning tests inside the rustc repo. This makes sure that upstream rustc maintainers do not have to deal with our test failing/mismatching versions when the rustc version bump is happening. cc #6683
80 lines
2.9 KiB
Rust
80 lines
2.9 KiB
Rust
#![allow(clippy::single_match_else)]
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use rustc_tools_util::VersionInfo;
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#[test]
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fn check_that_clippy_lints_has_the_same_version_as_clippy() {
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let clippy_meta = cargo_metadata::MetadataCommand::new()
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.no_deps()
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.exec()
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.expect("could not obtain cargo metadata");
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std::env::set_current_dir(std::env::current_dir().unwrap().join("clippy_lints")).unwrap();
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let clippy_lints_meta = cargo_metadata::MetadataCommand::new()
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.no_deps()
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.exec()
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.expect("could not obtain cargo metadata");
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assert_eq!(clippy_lints_meta.packages[0].version, clippy_meta.packages[0].version);
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for package in &clippy_meta.packages[0].dependencies {
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if package.name == "clippy_lints" {
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assert!(package.req.matches(&clippy_lints_meta.packages[0].version));
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return;
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}
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}
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}
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#[test]
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fn check_that_clippy_has_the_same_major_version_as_rustc() {
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// do not run this test inside the upstream rustc repo:
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// https://github.com/rust-lang/rust-clippy/issues/6683
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if option_env!("RUSTC_TEST_SUITE").is_some() {
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return;
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}
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let clippy_version = rustc_tools_util::get_version_info!();
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let clippy_major = clippy_version.major;
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let clippy_minor = clippy_version.minor;
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let clippy_patch = clippy_version.patch;
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// get the rustc version either from the rustc installed with the toolchain file or from
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// `RUSTC_REAL` if Clippy is build in the Rust repo with `./x.py`.
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let rustc = std::env::var("RUSTC_REAL").unwrap_or_else(|_| "rustc".to_string());
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let rustc_version = String::from_utf8(
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std::process::Command::new(&rustc)
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.arg("--version")
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.output()
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.expect("failed to run `rustc --version`")
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.stdout,
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)
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.unwrap();
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// extract "1 XX 0" from "rustc 1.XX.0-nightly (<commit> <date>)"
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let vsplit: Vec<&str> = rustc_version
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.split(' ')
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.nth(1)
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.unwrap()
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.split('-')
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.next()
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.unwrap()
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.split('.')
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.collect();
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match vsplit.as_slice() {
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[rustc_major, rustc_minor, _rustc_patch] => {
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// clippy 0.1.XX should correspond to rustc 1.XX.0
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assert_eq!(clippy_major, 0); // this will probably stay the same for a long time
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assert_eq!(
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clippy_minor.to_string(),
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*rustc_major,
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"clippy minor version does not equal rustc major version"
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);
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assert_eq!(
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clippy_patch.to_string(),
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*rustc_minor,
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"clippy patch version does not equal rustc minor version"
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);
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// do not check rustc_patch because when a stable-patch-release is made (like 1.50.2),
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// we don't want our tests failing suddenly
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},
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_ => {
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panic!("Failed to parse rustc version: {:?}", vsplit);
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},
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};
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}
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