3 use compiletest_rs as compiletest;
6 use std::env::{set_var, var};
10 use std::path::{Path, PathBuf};
12 fn clippy_driver_path() -> PathBuf {
13 if let Some(path) = option_env!("CLIPPY_DRIVER_PATH") {
16 PathBuf::from(concat!("target/", env!("PROFILE"), "/clippy-driver"))
20 fn host_libs() -> PathBuf {
21 if let Some(path) = option_env!("HOST_LIBS") {
24 Path::new("target").join(env!("PROFILE"))
28 fn rustc_test_suite() -> Option<PathBuf> {
29 option_env!("RUSTC_TEST_SUITE").map(PathBuf::from)
32 fn rustc_lib_path() -> PathBuf {
33 option_env!("RUSTC_LIB_PATH").unwrap().into()
36 fn config(mode: &str, dir: PathBuf) -> compiletest::Config {
37 let mut config = compiletest::Config::default();
39 let cfg_mode = mode.parse().expect("Invalid mode");
40 if let Ok(name) = var::<&str>("TESTNAME") {
41 let s: String = name.to_owned();
42 config.filter = Some(s)
45 if rustc_test_suite().is_some() {
46 config.run_lib_path = rustc_lib_path();
47 config.compile_lib_path = rustc_lib_path();
50 // When we'll want to use `extern crate ..` for a dependency that is used
51 // both by the crate and the compiler itself, we can't simply pass -L flags
52 // as we'll get a duplicate matching versions. Instead, disambiguate with
53 // `--extern dep=path`.
54 // See https://github.com/rust-lang/rust-clippy/issues/4015.
55 let needs_disambiguation = ["serde", "regex", "clippy_lints"];
56 // This assumes that deps are compiled (they are for Cargo integration tests).
57 let deps = std::fs::read_dir(host_libs().join("deps")).unwrap();
58 let disambiguated = deps
60 let path = dep.ok()?.path();
61 let name = path.file_name()?.to_string_lossy();
62 // NOTE: This only handles a single dep
63 // https://github.com/laumann/compiletest-rs/issues/101
64 needs_disambiguation.iter().find_map(|dep| {
65 if name.starts_with(&format!("lib{}-", dep)) && name.ends_with(".rlib") {
66 Some(format!("--extern {}={}", dep, path.display()))
74 config.target_rustcflags = Some(format!(
75 "-L {0} -L {0}/deps -Dwarnings -Zui-testing {1}",
76 host_libs().display(),
77 disambiguated.join(" ")
80 config.mode = cfg_mode;
81 config.build_base = if rustc_test_suite().is_some() {
82 // we don't need access to the stderr files on travis
83 let mut path = PathBuf::from(env!("OUT_DIR"));
84 path.push("test_build_base");
87 let mut path = std::env::current_dir().unwrap();
88 path.push("target/debug/test_build_base");
91 config.src_base = dir;
92 config.rustc_path = clippy_driver_path();
96 fn run_mode(mode: &str, dir: PathBuf) {
97 let cfg = config(mode, dir);
98 compiletest::run_tests(&cfg);
101 #[allow(clippy::identity_conversion)]
102 fn run_ui_toml_tests(config: &compiletest::Config, mut tests: Vec<test::TestDescAndFn>) -> Result<bool, io::Error> {
103 let mut result = true;
104 let opts = compiletest::test_opts(config);
105 for dir in fs::read_dir(&config.src_base)? {
107 if !dir.file_type()?.is_dir() {
110 let dir_path = dir.path();
111 set_var("CARGO_MANIFEST_DIR", &dir_path);
112 for file in fs::read_dir(&dir_path)? {
114 let file_path = file.path();
115 if !file.file_type()?.is_file() {
118 if file_path.extension() != Some(OsStr::new("rs")) {
121 let paths = compiletest::common::TestPaths {
123 base: config.src_base.clone(),
124 relative_dir: dir_path.file_name().unwrap().into(),
126 let test_name = compiletest::make_test_name(&config, &paths);
129 .position(|test| test.desc.name == test_name)
130 .expect("The test should be in there");
131 result &= test::run_tests_console(&opts, vec![tests.swap_remove(index)])?;
138 let path = PathBuf::from("tests/ui-toml").canonicalize().unwrap();
139 let config = config("ui", path);
140 let tests = compiletest::make_tests(&config);
142 let res = run_ui_toml_tests(&config, tests);
145 Ok(false) => panic!("Some tests failed"),
147 println!("I/O failure during tests: {:?}", e);
153 set_var("CLIPPY_DISABLE_DOCS_LINKS", "true");
154 set_var("CLIPPY_TESTS", "true");
155 //set_var("RUST_BACKTRACE", "0");
161 run_mode("ui", "tests/ui".into());