128 lines
4.6 KiB
Rust
128 lines
4.6 KiB
Rust
//! This test is meant to only be run in CI. To run it locally use:
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//!
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//! `env INTEGRATION=rust-lang/log cargo test --test integration --features=integration`
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//!
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//! You can use a different `INTEGRATION` value to test different repositories.
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//!
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//! This test will clone the specified repository and run Clippy on it. The test succeeds, if
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//! Clippy doesn't produce an ICE. Lint warnings are ignored by this test.
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#![cfg(feature = "integration")]
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#![warn(rust_2018_idioms, unused_lifetimes)]
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use std::env;
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use std::ffi::OsStr;
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use std::process::Command;
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#[cfg(not(windows))]
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const CARGO_CLIPPY: &str = "cargo-clippy";
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#[cfg(windows)]
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const CARGO_CLIPPY: &str = "cargo-clippy.exe";
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#[cfg_attr(feature = "integration", test)]
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fn integration_test() {
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let repo_name = env::var("INTEGRATION").expect("`INTEGRATION` var not set");
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let repo_url = format!("https://github.com/{repo_name}");
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let crate_name = repo_name
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.split('/')
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.nth(1)
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.expect("repo name should have format `<org>/<name>`");
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let repo_dir = tempfile::tempdir()
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.expect("couldn't create temp dir")
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.into_path()
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.join(crate_name);
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let st = Command::new("git")
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.args([
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OsStr::new("clone"),
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OsStr::new("--depth=1"),
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OsStr::new(&repo_url),
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OsStr::new(&repo_dir),
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])
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.status()
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.expect("unable to run git");
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assert!(st.success());
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let root_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
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let target_dir = std::path::Path::new(&root_dir).join("target");
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let clippy_binary = target_dir.join(env!("PROFILE")).join(CARGO_CLIPPY);
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let output = Command::new(clippy_binary)
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.current_dir(repo_dir)
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.env("RUST_BACKTRACE", "full")
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.env("CARGO_TARGET_DIR", target_dir)
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.args([
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"clippy",
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"--all-targets",
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"--all-features",
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"--message-format=short",
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"--",
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"--cap-lints",
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"warn",
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"-Wclippy::pedantic",
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"-Wclippy::nursery",
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])
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.output()
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.expect("unable to run clippy");
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let stderr = String::from_utf8_lossy(&output.stderr);
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// debug:
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eprintln!("{stderr}");
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// this is an internal test to make sure we would correctly panic on a span_delayed_bug
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if repo_name == "matthiaskrgr/clippy_ci_panic_test" {
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// we need to kind of switch around our logic here:
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// if we find a panic, everything is fine, if we don't panic, SOMETHING is broken about our testing
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// the repo basically just contains a span_delayed_bug that forces rustc/clippy to panic:
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/*
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#![feature(rustc_attrs)]
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#[rustc_error(delayed_bug_from_inside_query)]
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fn main() {}
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*/
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if stderr.find("error: internal compiler error").is_some() {
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eprintln!("we saw that we intentionally panicked, yay");
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return;
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}
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panic!("panic caused by span_delayed_bug was NOT detected! Something is broken!");
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}
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if let Some(backtrace_start) = stderr.find("error: internal compiler error") {
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static BACKTRACE_END_MSG: &str = "end of query stack";
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let backtrace_end = stderr[backtrace_start..]
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.find(BACKTRACE_END_MSG)
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.expect("end of backtrace not found");
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panic!(
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"internal compiler error\nBacktrace:\n\n{}",
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&stderr[backtrace_start..backtrace_start + backtrace_end + BACKTRACE_END_MSG.len()]
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);
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} else if stderr.contains("query stack during panic") {
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panic!("query stack during panic in the output");
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} else if stderr.contains("E0463") {
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// Encountering E0463 (can't find crate for `x`) did _not_ cause the build to fail in the
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// past. Even though it should have. That's why we explicitly panic here.
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// See PR #3552 and issue #3523 for more background.
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panic!("error: E0463");
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} else if stderr.contains("E0514") {
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panic!("incompatible crate versions");
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} else if stderr.contains("failed to run `rustc` to learn about target-specific information") {
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panic!("couldn't find librustc_driver, consider setting `LD_LIBRARY_PATH`");
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} else {
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assert!(
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!stderr.contains("toolchain") || !stderr.contains("is not installed"),
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"missing required toolchain"
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);
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}
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match output.status.code() {
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Some(0) => println!("Compilation successful"),
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Some(code) => eprintln!("Compilation failed. Exit code: {code}"),
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None => panic!("Process terminated by signal"),
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}
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}
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