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Whne SYSROOT is defined, clippy-driver will insert a --sysroot argument when calling rustc. However, when a sysroot argument is already defined, e.g. through RUSTFLAGS=--sysroot=... the `cargo clippy` call would error. This tests that the sysroot argument is only passed once and that SYSROOT is ignored in this case.
102 lines
3.7 KiB
Rust
102 lines
3.7 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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#![cfg_attr(feature = "deny-warnings", deny(warnings))]
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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 mut repo_dir = tempfile::tempdir().expect("couldn't create temp dir").into_path();
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repo_dir.push(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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"--",
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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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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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