tests/compile-test.rs

   1 #![feature(test)]
   2
   3 use compiletest_rs as compiletest;
   4 use libtest::TestDescAndFn;
   5
   6 use std::env::{set_var, var};
   7 use std::ffi::OsStr;
   8 use std::fs;
   9 use std::io;
  10 use std::path::{Path, PathBuf};
  11
  12 fn clippy_driver_path() -> PathBuf {
  13     if let Some(path) = option_env!("CLIPPY_DRIVER_PATH") {
  14         PathBuf::from(path)
  15     } else {
  16         PathBuf::from(concat!("target/", env!("PROFILE"), "/clippy-driver"))
  17     }
  18 }
  19
  20 fn host_libs() -> PathBuf {
  21     if let Some(path) = option_env!("HOST_LIBS") {
  22         PathBuf::from(path)
  23     } else {
  24         Path::new("target").join(env!("PROFILE"))
  25     }
  26 }
  27
  28 fn rustc_test_suite() -> Option<PathBuf> {
  29     option_env!("RUSTC_TEST_SUITE").map(PathBuf::from)
  30 }
  31
  32 fn rustc_lib_path() -> PathBuf {
  33     option_env!("RUSTC_LIB_PATH").unwrap().into()
  34 }
  35
  36 fn config(mode: &str, dir: PathBuf) -> compiletest::Config {
  37     let mut config = compiletest::Config::default();
  38
  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)
  43     }
  44
  45     if rustc_test_suite().is_some() {
  46         config.run_lib_path = rustc_lib_path();
  47         config.compile_lib_path = rustc_lib_path();
  48     }
  49     config.target_rustcflags = Some(format!(
  50         "-L {0} -L {0}/deps -Dwarnings -Zui-testing",
  51         host_libs().display()
  52     ));
  53
  54     config.mode = cfg_mode;
  55     config.build_base = if rustc_test_suite().is_some() {
  56         // we don't need access to the stderr files on travis
  57         let mut path = PathBuf::from(env!("OUT_DIR"));
  58         path.push("test_build_base");
  59         path
  60     } else {
  61         let mut path = std::env::current_dir().unwrap();
  62         path.push("target/debug/test_build_base");
  63         path
  64     };
  65     config.src_base = dir;
  66     config.rustc_path = clippy_driver_path();
  67     config
  68 }
  69
  70 fn run_mode(mode: &str, dir: PathBuf) {
  71     let cfg = config(mode, dir);
  72     // clean rmeta data, otherwise "cargo check; cargo test" fails (#2896)
  73     cfg.clean_rmeta();
  74     compiletest::run_tests(&cfg);
  75 }
  76
  77 fn run_ui_toml_tests(config: &compiletest::Config, mut tests: Vec<TestDescAndFn>) -> Result<bool, io::Error> {
  78     let mut result = true;
  79     let opts = compiletest::test_opts(config);
  80     for dir in fs::read_dir(&config.src_base)? {
  81         let dir_path = dir.unwrap().path();
  82         set_var("CARGO_MANIFEST_DIR", &dir_path);
  83         for file in fs::read_dir(&dir_path)? {
  84             let file = file?;
  85             let file_path = file.path();
  86             if !file.file_type()?.is_file() {
  87                 continue;
  88             }
  89             if file_path.extension() != Some(OsStr::new("rs")) {
  90                 continue;
  91             }
  92             let paths = compiletest::common::TestPaths {
  93                 file: file_path,
  94                 base: config.src_base.clone(),
  95                 relative_dir: dir_path.file_name().unwrap().into(),
  96             };
  97             let test_name = compiletest::make_test_name(&config, &paths);
  98             let index = tests
  99                 .iter()
 100                 .position(|test| test.desc.name.to_string() == test_name.to_string())
 101                 .expect("The test should be in there");
 102             let opts = libtest::TestOpts {
 103                 list: opts.list,
 104                 filter: opts.filter.clone(),
 105                 filter_exact: opts.filter_exact,
 106                 exclude_should_panic: Default::default(),
 107                 run_ignored: libtest::RunIgnored::No,
 108                 run_tests: opts.run_tests,
 109                 bench_benchmarks: opts.bench_benchmarks,
 110                 logfile: opts.logfile.clone(),
 111                 nocapture: opts.nocapture,
 112                 color: libtest::ColorConfig::AutoColor,
 113                 format: libtest::OutputFormat::Pretty,
 114                 test_threads: opts.test_threads,
 115                 skip: opts.skip.clone(),
 116                 options: libtest::Options::new(),
 117             };
 118             result &= libtest::run_tests_console(&opts, vec![tests.swap_remove(index)])?;
 119         }
 120     }
 121     Ok(result)
 122 }
 123
 124 fn run_ui_toml() {
 125     let path = PathBuf::from("tests/ui-toml").canonicalize().unwrap();
 126     let config = config("ui", path);
 127     let tests = compiletest::make_tests(&config);
 128
 129     let tests = tests
 130         .into_iter()
 131         .map(|test| {
 132             libtest::TestDescAndFn {
 133                 desc: libtest::TestDesc {
 134                     name: libtest::TestName::DynTestName(test.desc.name.to_string()),
 135                     ignore: test.desc.ignore,
 136                     allow_fail: test.desc.allow_fail,
 137                     should_panic: libtest::ShouldPanic::No,
 138                 },
 139                 // oli obk giving up
 140                 testfn: unsafe { std::mem::transmute(test.testfn) },
 141             }
 142         })
 143         .collect();
 144
 145     let res = run_ui_toml_tests(&config, tests);
 146     match res {
 147         Ok(true) => {},
 148         Ok(false) => panic!("Some tests failed"),
 149         Err(e) => {
 150             println!("I/O failure during tests: {:?}", e);
 151         },
 152     }
 153 }
 154
 155 fn prepare_env() {
 156     set_var("CLIPPY_DISABLE_DOCS_LINKS", "true");
 157     set_var("CLIPPY_TESTS", "true");
 158     //set_var("RUST_BACKTRACE", "0");
 159 }
 160
 161 #[test]
 162 fn compile_test() {
 163     prepare_env();
 164     run_mode("ui", "tests/ui".into());
 165     run_ui_toml();
 166 }