1 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
2 #![warn(rust_2018_idioms, unused_lifetimes)]
3 #![allow(clippy::single_match_else)]
5 use rustc_tools_util::VersionInfo;
8 fn check_that_clippy_lints_and_clippy_utils_have_the_same_version_as_clippy() {
9 // do not run this test inside the upstream rustc repo:
10 // https://github.com/rust-lang/rust-clippy/issues/6683
11 if option_env!("RUSTC_TEST_SUITE").is_some() {
15 let clippy_meta = cargo_metadata::MetadataCommand::new()
18 .expect("could not obtain cargo metadata");
20 for krate in &["clippy_lints", "clippy_utils"] {
21 let krate_meta = cargo_metadata::MetadataCommand::new()
22 .current_dir(std::env::current_dir().unwrap().join(krate))
25 .expect("could not obtain cargo metadata");
26 assert_eq!(krate_meta.packages[0].version, clippy_meta.packages[0].version);
27 for package in &clippy_meta.packages[0].dependencies {
28 if package.name == *krate {
29 assert!(package.req.matches(&krate_meta.packages[0].version));
37 fn check_that_clippy_has_the_same_major_version_as_rustc() {
38 // do not run this test inside the upstream rustc repo:
39 // https://github.com/rust-lang/rust-clippy/issues/6683
40 if option_env!("RUSTC_TEST_SUITE").is_some() {
44 let clippy_version = rustc_tools_util::get_version_info!();
45 let clippy_major = clippy_version.major;
46 let clippy_minor = clippy_version.minor;
47 let clippy_patch = clippy_version.patch;
49 // get the rustc version either from the rustc installed with the toolchain file or from
50 // `RUSTC_REAL` if Clippy is build in the Rust repo with `./x.py`.
51 let rustc = std::env::var("RUSTC_REAL").unwrap_or_else(|_| "rustc".to_string());
52 let rustc_version = String::from_utf8(
53 std::process::Command::new(&rustc)
56 .expect("failed to run `rustc --version`")
60 // extract "1 XX 0" from "rustc 1.XX.0-nightly (<commit> <date>)"
61 let vsplit: Vec<&str> = rustc_version
70 match vsplit.as_slice() {
71 [rustc_major, rustc_minor, _rustc_patch] => {
72 // clippy 0.1.XX should correspond to rustc 1.XX.0
73 assert_eq!(clippy_major, 0); // this will probably stay the same for a long time
75 clippy_minor.to_string(),
77 "clippy minor version does not equal rustc major version"
80 clippy_patch.to_string(),
82 "clippy patch version does not equal rustc minor version"
84 // do not check rustc_patch because when a stable-patch-release is made (like 1.50.2),
85 // we don't want our tests failing suddenly
88 panic!("Failed to parse rustc version: {:?}", vsplit);