3 use compiletest_rs as compiletest;
4 extern crate tester as test;
6 use std::env::{set_var, var};
10 use std::path::{Path, PathBuf};
13 fn clippy_driver_path() -> PathBuf {
14 if let Some(path) = option_env!("CLIPPY_DRIVER_PATH") {
17 PathBuf::from(concat!("target/", env!("PROFILE"), "/clippy-driver"))
22 fn host_libs() -> PathBuf {
23 if let Some(path) = option_env!("HOST_LIBS") {
26 Path::new("target").join(env!("PROFILE"))
31 fn target_libs() -> Option<PathBuf> {
32 option_env!("TARGET_LIBS").map(PathBuf::from)
36 fn rustc_test_suite() -> Option<PathBuf> {
37 option_env!("RUSTC_TEST_SUITE").map(PathBuf::from)
41 fn rustc_lib_path() -> PathBuf {
42 option_env!("RUSTC_LIB_PATH").unwrap().into()
45 fn config(mode: &str, dir: PathBuf) -> compiletest::Config {
46 let mut config = compiletest::Config::default();
48 let cfg_mode = mode.parse().expect("Invalid mode");
49 if let Ok(name) = var::<&str>("TESTNAME") {
50 config.filter = Some(name)
53 if rustc_test_suite().is_some() {
54 config.run_lib_path = rustc_lib_path();
55 config.compile_lib_path = rustc_lib_path();
58 // When we'll want to use `extern crate ..` for a dependency that is used
59 // both by the crate and the compiler itself, we can't simply pass -L flags
60 // as we'll get a duplicate matching versions. Instead, disambiguate with
61 // `--extern dep=path`.
62 // See https://github.com/rust-lang/rust-clippy/issues/4015.
63 let needs_disambiguation = ["serde", "regex", "clippy_lints"];
64 // This assumes that deps are compiled (they are for Cargo integration tests).
65 let deps = fs::read_dir(target_libs().unwrap_or_else(host_libs).join("deps")).unwrap();
66 let disambiguated = deps
68 let path = dep.ok()?.path();
69 let name = path.file_name()?.to_string_lossy();
70 // NOTE: This only handles a single dep
71 // https://github.com/laumann/compiletest-rs/issues/101
72 needs_disambiguation.iter().find_map(|dep| {
73 if name.starts_with(&format!("lib{}-", dep)) && name.ends_with(".rlib") {
74 Some(format!("--extern {}={}", dep, path.display()))
82 config.target_rustcflags = Some(format!(
83 "-L {0} -L {0}/deps {1} -Dwarnings -Zui-testing {2}",
84 host_libs().display(),
85 target_libs().map_or_else(String::new, |path| format!("-L {0} -L {0}/deps", path.display())),
86 disambiguated.join(" ")
89 config.mode = cfg_mode;
90 config.build_base = if rustc_test_suite().is_some() {
91 // we don't need access to the stderr files on travis
92 let mut path = PathBuf::from(env!("OUT_DIR"));
93 path.push("test_build_base");
96 let mut path = std::env::current_dir().unwrap();
97 path.push("target/debug/test_build_base");
100 config.src_base = dir;
101 config.rustc_path = clippy_driver_path();
105 fn run_mode(mode: &str, dir: PathBuf) {
106 let cfg = config(mode, dir);
107 compiletest::run_tests(&cfg);
110 #[allow(clippy::identity_conversion)]
111 fn run_ui_toml_tests(config: &compiletest::Config, mut tests: Vec<test::TestDescAndFn>) -> Result<bool, io::Error> {
112 let mut result = true;
113 let opts = compiletest::test_opts(config);
114 for dir in fs::read_dir(&config.src_base)? {
116 if !dir.file_type()?.is_dir() {
119 let dir_path = dir.path();
120 set_var("CARGO_MANIFEST_DIR", &dir_path);
121 for file in fs::read_dir(&dir_path)? {
123 let file_path = file.path();
124 if !file.file_type()?.is_file() {
127 if file_path.extension() != Some(OsStr::new("rs")) {
130 let paths = compiletest::common::TestPaths {
132 base: config.src_base.clone(),
133 relative_dir: dir_path.file_name().unwrap().into(),
135 let test_name = compiletest::make_test_name(&config, &paths);
138 .position(|test| test.desc.name == test_name)
139 .expect("The test should be in there");
140 result &= test::run_tests_console(&opts, vec![tests.swap_remove(index)])?;
147 let path = PathBuf::from("tests/ui-toml").canonicalize().unwrap();
148 let config = config("ui", path);
149 let tests = compiletest::make_tests(&config);
151 let res = run_ui_toml_tests(&config, tests);
154 Ok(false) => panic!("Some tests failed"),
156 println!("I/O failure during tests: {:?}", e);
162 set_var("CLIPPY_DISABLE_DOCS_LINKS", "true");
163 set_var("CLIPPY_TESTS", "true");
164 //set_var("RUST_BACKTRACE", "0");
170 run_mode("ui", "tests/ui".into());