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#![feature(test)]
extern crate 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();
}
config.target_rustcflags = Some(format!("-L {0} -L {0}/deps -Dwarnings", host_libs().display()));
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) {
compiletest::run_tests(&config(mode, dir));
}
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("run-pass", "tests/run-pass".into());
run_mode("ui", "tests/ui".into());
run_ui_toml();
}