rust-clippy/tests/compile-test.rs

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#![feature(test)]
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extern crate compiletest_rs as compiletest;
extern crate test;
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use std::path::{PathBuf, Path};
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use std::env::{set_var, var};
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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(dir: &'static str, mode: &'static str) -> compiletest::Config {
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let mut config = compiletest::Config::default();
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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)
}
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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()));
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config.mode = cfg_mode;
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config.build_base = {
let mut path = std::env::current_dir().unwrap();
path.push("target/debug/test_build_base");
path
};
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config.src_base = PathBuf::from(format!("tests/{}", dir));
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config.rustc_path = clippy_driver_path();
config
}
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fn run_mode(dir: &'static str, mode: &'static str) {
compiletest::run_tests(&config(dir, mode));
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}
fn prepare_env() {
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set_var("CLIPPY_DISABLE_DOCS_LINKS", "true");
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set_var("CLIPPY_TESTS", "true");
set_var("RUST_BACKTRACE", "0");
}
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#[test]
fn compile_test() {
prepare_env();
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run_mode("run-pass", "run-pass");
run_mode("ui", "ui");
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}