| #![feature(test)] |
| |
| use compiletest_rs as compiletest; |
| extern crate test; |
| |
| use std::env::{set_var, var}; |
| use std::ffi::OsStr; |
| use std::fs; |
| use std::io; |
| use std::path::{Path, PathBuf}; |
| |
| fn clippy_driver_path() -> PathBuf { |
| if let Some(path) = option_env!("CLIPPY_DRIVER_PATH") { |
| PathBuf::from(path) |
| } else { |
| PathBuf::from(concat!("target/", env!("PROFILE"), "/clippy-driver")) |
| } |
| } |
| |
| fn host_libs() -> PathBuf { |
| if let Some(path) = option_env!("HOST_LIBS") { |
| PathBuf::from(path) |
| } else { |
| Path::new("target").join(env!("PROFILE")) |
| } |
| } |
| |
| fn rustc_test_suite() -> Option<PathBuf> { |
| option_env!("RUSTC_TEST_SUITE").map(PathBuf::from) |
| } |
| |
| fn rustc_lib_path() -> PathBuf { |
| option_env!("RUSTC_LIB_PATH").unwrap().into() |
| } |
| |
| fn config(mode: &str, dir: PathBuf) -> compiletest::Config { |
| let mut config = compiletest::Config::default(); |
| |
| let cfg_mode = mode.parse().expect("Invalid mode"); |
| if let Ok(name) = var::<&str>("TESTNAME") { |
| let s: String = name.to_owned(); |
| config.filter = Some(s) |
| } |
| |
| if rustc_test_suite().is_some() { |
| config.run_lib_path = rustc_lib_path(); |
| config.compile_lib_path = rustc_lib_path(); |
| } |
| |
| // When we'll want to use `extern crate ..` for a dependency that is used |
| // both by the crate and the compiler itself, we can't simply pass -L flags |
| // as we'll get a duplicate matching versions. Instead, disambiguate with |
| // `--extern dep=path`. |
| // See https://github.com/rust-lang/rust-clippy/issues/4015. |
| let needs_disambiguation = ["serde", "regex", "clippy_lints"]; |
| // This assumes that deps are compiled (they are for Cargo integration tests). |
| let deps = std::fs::read_dir(host_libs().join("deps")).unwrap(); |
| let disambiguated = deps |
| .filter_map(|dep| { |
| let path = dep.ok()?.path(); |
| let name = path.file_name()?.to_string_lossy(); |
| // NOTE: This only handles a single dep |
| // https://github.com/laumann/compiletest-rs/issues/101 |
| needs_disambiguation.iter().find_map(|dep| { |
| if name.starts_with(&format!("lib{}-", dep)) && name.ends_with(".rlib") { |
| Some(format!("--extern {}={}", dep, path.display())) |
| } else { |
| None |
| } |
| }) |
| }) |
| .collect::<Vec<_>>(); |
| |
| config.target_rustcflags = Some(format!( |
| "-L {0} -L {0}/deps -Dwarnings -Zui-testing {1}", |
| host_libs().display(), |
| disambiguated.join(" ") |
| )); |
| |
| config.mode = cfg_mode; |
| config.build_base = if rustc_test_suite().is_some() { |
| // we don't need access to the stderr files on travis |
| let mut path = PathBuf::from(env!("OUT_DIR")); |
| path.push("test_build_base"); |
| path |
| } else { |
| let mut path = std::env::current_dir().unwrap(); |
| path.push("target/debug/test_build_base"); |
| path |
| }; |
| config.src_base = dir; |
| config.rustc_path = clippy_driver_path(); |
| config |
| } |
| |
| fn run_mode(mode: &str, dir: PathBuf) { |
| let cfg = config(mode, dir); |
| compiletest::run_tests(&cfg); |
| } |
| |
| #[allow(clippy::identity_conversion)] |
| fn run_ui_toml_tests(config: &compiletest::Config, mut tests: Vec<test::TestDescAndFn>) -> Result<bool, io::Error> { |
| let mut result = true; |
| let opts = compiletest::test_opts(config); |
| for dir in fs::read_dir(&config.src_base)? { |
| let dir = dir?; |
| if !dir.file_type()?.is_dir() { |
| continue; |
| } |
| let dir_path = dir.path(); |
| set_var("CARGO_MANIFEST_DIR", &dir_path); |
| for file in fs::read_dir(&dir_path)? { |
| let file = file?; |
| let file_path = file.path(); |
| if !file.file_type()?.is_file() { |
| continue; |
| } |
| if file_path.extension() != Some(OsStr::new("rs")) { |
| continue; |
| } |
| let paths = compiletest::common::TestPaths { |
| file: file_path, |
| base: config.src_base.clone(), |
| relative_dir: dir_path.file_name().unwrap().into(), |
| }; |
| let test_name = compiletest::make_test_name(&config, &paths); |
| let index = tests |
| .iter() |
| .position(|test| test.desc.name == test_name) |
| .expect("The test should be in there"); |
| result &= test::run_tests_console(&opts, vec![tests.swap_remove(index)])?; |
| } |
| } |
| Ok(result) |
| } |
| |
| fn run_ui_toml() { |
| let path = PathBuf::from("tests/ui-toml").canonicalize().unwrap(); |
| let config = config("ui", path); |
| let tests = compiletest::make_tests(&config); |
| |
| let res = run_ui_toml_tests(&config, tests); |
| match res { |
| Ok(true) => {}, |
| Ok(false) => panic!("Some tests failed"), |
| Err(e) => { |
| println!("I/O failure during tests: {:?}", e); |
| }, |
| } |
| } |
| |
| fn prepare_env() { |
| set_var("CLIPPY_DISABLE_DOCS_LINKS", "true"); |
| set_var("CLIPPY_TESTS", "true"); |
| //set_var("RUST_BACKTRACE", "0"); |
| } |
| |
| #[test] |
| fn compile_test() { |
| prepare_env(); |
| run_mode("ui", "tests/ui".into()); |
| run_ui_toml(); |
| } |