rust-clippy/tests/integration.rs

78 lines
2.6 KiB
Rust

#![cfg(feature = "integration")]
use git2::Repository;
use std::env;
use std::process::Command;
#[cfg_attr(feature = "integration", test)]
fn integration_test() {
let repo_name = env::var("INTEGRATION").expect("`INTEGRATION` var not set");
let repo_url = format!("https://github.com/{}", repo_name);
let crate_name = repo_name
.split('/')
.nth(1)
.expect("repo name should have format `<org>/<name>`");
let repo_dir = tempfile::tempdir()
.expect("couldn't create temp dir")
.path()
.join(crate_name);
Repository::clone(&repo_url, &repo_dir).expect("clone of repo failed");
let root_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
let target_dir = std::path::Path::new(&root_dir).join("target");
let clippy_binary = target_dir.join(env!("PROFILE")).join("cargo-clippy");
let output = Command::new(clippy_binary)
.current_dir(repo_dir)
.env("RUST_BACKTRACE", "full")
.env("CARGO_TARGET_DIR", target_dir)
.args(&[
"clippy",
"--all-targets",
"--all-features",
"--",
"--cap-lints",
"warn",
"-Wclippy::pedantic",
"-Wclippy::nursery",
])
.output()
.expect("unable to run clippy");
let stderr = String::from_utf8_lossy(&output.stderr);
if stderr.contains("internal compiler error") {
let backtrace_start = stderr
.find("thread 'rustc' panicked at")
.expect("start of backtrace not found");
let backtrace_end = stderr
.rfind("error: internal compiler error")
.expect("end of backtrace not found");
panic!(
"internal compiler error\nBacktrace:\n\n{}",
&stderr[backtrace_start..backtrace_end]
);
} else if stderr.contains("query stack during panic") {
panic!("query stack during panic in the output");
} else if stderr.contains("E0463") {
panic!("error: E0463");
} else if stderr.contains("E0514") {
panic!("incompatible crate versions");
} else if stderr.contains("failed to run `rustc` to learn about target-specific information") {
panic!("couldn't find librustc_driver, consider setting `LD_LIBRARY_PATH`");
}
match output.status.code() {
Some(code) => {
if code == 0 {
println!("Compilation successful");
} else {
eprintln!("Compilation failed. Exit code: {}", code);
}
},
None => panic!("Process terminated by signal"),
}
}