1 //! Tidy check to ensure below in UI test directories:
2 //! - the number of entries in each directory must be less than `ENTRY_LIMIT`
3 //! - there are no stray `.stderr` files
8 const ENTRY_LIMIT: usize = 1000;
9 // FIXME: The following limits should be reduced eventually.
10 const ROOT_ENTRY_LIMIT: usize = 950;
11 const ISSUES_ENTRY_LIMIT: usize = 2141;
13 fn check_entries(path: &Path, bad: &mut bool) {
14 let dirs = walkdir::WalkDir::new(&path.join("test/ui"))
16 .filter_entry(|e| e.file_type().is_dir());
18 if let Ok(dir) = dir {
19 let dir_path = dir.path();
21 // Use special values for these dirs.
22 let is_root = path.join("test/ui") == dir_path;
23 let is_issues_dir = path.join("test/ui/issues") == dir_path;
24 let limit = if is_root {
26 } else if is_issues_dir {
32 let count = std::fs::read_dir(dir_path).unwrap().count();
36 "following path contains more than {} entries, \
37 you should move the test to some relevant subdirectory (current: {}): {}",
47 pub fn check(path: &Path, bad: &mut bool) {
48 check_entries(&path, bad);
49 for path in &[&path.join("test/ui"), &path.join("test/ui-fulldeps")] {
50 crate::walk::walk_no_read(path, &mut |_| false, &mut |entry| {
51 let file_path = entry.path();
52 if let Some(ext) = file_path.extension() {
53 if ext == "stderr" || ext == "stdout" {
54 // Test output filenames have one of the formats:
57 // $testname.$mode.stderr
58 // $testname.$revision.stderr
59 // $testname.$revision.$mode.stderr
62 // For now, just make sure that there is a corresponding
63 // `$testname.rs` file.
65 // NB: We do not use file_stem() as some file names have multiple `.`s and we
66 // must strip all of them.
68 file_path.file_name().unwrap().to_str().unwrap().split_once('.').unwrap().0;
69 if !file_path.with_file_name(testname).with_extension("rs").exists() {
70 tidy_error!(bad, "Stray file with UI testing output: {:?}", file_path);
73 if let Ok(metadata) = fs::metadata(file_path) {
74 if metadata.len() == 0 {
75 tidy_error!(bad, "Empty file with UI testing output: {:?}", file_path);