rust/tests/headers.rs

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Rust
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use regex::Regex;
use std::fs;
use walkdir::WalkDir;
#[test]
fn old_test_headers() {
let old_headers = Regex::new(
r"^//( ?\[\w+\])? ?((check|build|run|ignore|aux|only|needs|rustc|unset|no|normalize|run|compile)-|edition|incremental|revisions).*",
)
.unwrap();
let mut failed = false;
for entry in WalkDir::new("tests") {
let entry = entry.unwrap();
if !entry.file_type().is_file() {
continue;
}
let file = fs::read_to_string(entry.path()).unwrap();
if let Some(header) = old_headers.find(&file) {
println!("Found header `{}` in {}", header.as_str(), entry.path().display());
failed = true;
}
}
assert!(!failed, "use `//@foo` style test headers instead");
}