1 #![allow(clippy::manual_assert)]
2
3 mod progress;
4
5 use self::progress::Progress;
6 use anyhow::Result;
7 use flate2::read::GzDecoder;
8 use std::fs;
9 use std::path::Path;
10 use tar::Archive;
11 use walkdir::DirEntry;
12
13 const REVISION: &str = "e100ec5bc7cd768ec17d75448b29c9ab4a39272b";
14
15 #[rustfmt::skip]
16 static EXCLUDE: &[&str] = &[
17 // TODO: impl ~const T {}
18 // https://github.com/dtolnay/syn/issues/1051
19 "src/test/ui/rfc-2632-const-trait-impl/syntax.rs",
20
21 // Compile-fail expr parameter in const generic position: f::<1 + 2>()
22 "src/test/ui/const-generics/early/closing-args-token.rs",
23 "src/test/ui/const-generics/early/const-expression-parameter.rs",
24
25 // Deprecated anonymous parameter syntax in traits
26 "src/test/ui/issues/issue-13105.rs",
27 "src/test/ui/issues/issue-13775.rs",
28 "src/test/ui/issues/issue-34074.rs",
29 "src/test/ui/proc-macro/trait-fn-args-2015.rs",
30 "src/tools/rustfmt/tests/source/trait.rs",
31 "src/tools/rustfmt/tests/target/trait.rs",
32
33 // Excessive nesting
34 "src/test/ui/issues/issue-74564-if-expr-stack-overflow.rs",
35
36 // Testing rustfmt on invalid syntax
37 "src/tools/rustfmt/tests/coverage/target/comments.rs",
38 "src/tools/rustfmt/tests/parser/issue-4126/invalid.rs",
39 "src/tools/rustfmt/tests/parser/issue_4418.rs",
40 "src/tools/rustfmt/tests/parser/unclosed-delims/issue_4466.rs",
41 "src/tools/rustfmt/tests/source/configs/disable_all_formatting/true.rs",
42 "src/tools/rustfmt/tests/source/configs/spaces_around_ranges/false.rs",
43 "src/tools/rustfmt/tests/source/configs/spaces_around_ranges/true.rs",
44 "src/tools/rustfmt/tests/source/type.rs",
45 "src/tools/rustfmt/tests/target/configs/spaces_around_ranges/false.rs",
46 "src/tools/rustfmt/tests/target/configs/spaces_around_ranges/true.rs",
47 "src/tools/rustfmt/tests/target/type.rs",
48
49 // Clippy lint lists represented as expressions
50 "src/tools/clippy/clippy_lints/src/lib.deprecated.rs",
51 "src/tools/clippy/clippy_lints/src/lib.register_all.rs",
52 "src/tools/clippy/clippy_lints/src/lib.register_cargo.rs",
53 "src/tools/clippy/clippy_lints/src/lib.register_complexity.rs",
54 "src/tools/clippy/clippy_lints/src/lib.register_correctness.rs",
55 "src/tools/clippy/clippy_lints/src/lib.register_internal.rs",
56 "src/tools/clippy/clippy_lints/src/lib.register_lints.rs",
57 "src/tools/clippy/clippy_lints/src/lib.register_nursery.rs",
58 "src/tools/clippy/clippy_lints/src/lib.register_pedantic.rs",
59 "src/tools/clippy/clippy_lints/src/lib.register_perf.rs",
60 "src/tools/clippy/clippy_lints/src/lib.register_restriction.rs",
61 "src/tools/clippy/clippy_lints/src/lib.register_style.rs",
62 "src/tools/clippy/clippy_lints/src/lib.register_suspicious.rs",
63
64 // Not actually test cases
65 "src/test/rustdoc-ui/test-compile-fail2.rs",
66 "src/test/rustdoc-ui/test-compile-fail3.rs",
67 "src/test/ui/json-bom-plus-crlf-multifile-aux.rs",
68 "src/test/ui/lint/expansion-time-include.rs",
69 "src/test/ui/macros/auxiliary/macro-comma-support.rs",
70 "src/test/ui/macros/auxiliary/macro-include-items-expr.rs",
71 "src/test/ui/macros/include-single-expr-helper.rs",
72 "src/test/ui/macros/include-single-expr-helper-1.rs",
73 "src/test/ui/parser/issues/auxiliary/issue-21146-inc.rs",
74 ];
75
base_dir_filter(entry: &DirEntry) -> bool76 pub fn base_dir_filter(entry: &DirEntry) -> bool {
77 let path = entry.path();
78 if path.is_dir() {
79 return true; // otherwise walkdir does not visit the files
80 }
81 if path.extension().map_or(true, |e| e != "rs") {
82 return false;
83 }
84
85 let mut path_string = path.to_string_lossy();
86 if cfg!(windows) {
87 path_string = path_string.replace('\\', "/").into();
88 }
89 let path = if let Some(path) = path_string.strip_prefix("tests/rust/") {
90 path
91 } else {
92 panic!("unexpected path in Rust dist: {}", path_string);
93 };
94
95 if path.starts_with("src/test/compile-fail") || path.starts_with("src/test/rustfix") {
96 return false;
97 }
98
99 if path.starts_with("src/test/ui") {
100 let stderr_path = entry.path().with_extension("stderr");
101 if stderr_path.exists() {
102 // Expected to fail in some way
103 return false;
104 }
105 }
106
107 !EXCLUDE.contains(&path)
108 }
109
110 #[allow(dead_code)]
edition(path: &Path) -> &'static str111 pub fn edition(path: &Path) -> &'static str {
112 if path.ends_with("dyn-2015-no-warnings-without-lints.rs") {
113 "2015"
114 } else {
115 "2018"
116 }
117 }
118
clone_rust()119 pub fn clone_rust() {
120 let needs_clone = match fs::read_to_string("tests/rust/COMMIT") {
121 Err(_) => true,
122 Ok(contents) => contents.trim() != REVISION,
123 };
124 if needs_clone {
125 download_and_unpack().unwrap();
126 }
127 let mut missing = String::new();
128 let test_src = Path::new("tests/rust");
129 for exclude in EXCLUDE {
130 if !test_src.join(exclude).exists() {
131 missing += "\ntests/rust/";
132 missing += exclude;
133 }
134 }
135 if !missing.is_empty() {
136 panic!("excluded test file does not exist:{}\n", missing);
137 }
138 }
139
download_and_unpack() -> Result<()>140 fn download_and_unpack() -> Result<()> {
141 let url = format!(
142 "https://github.com/rust-lang/rust/archive/{}.tar.gz",
143 REVISION
144 );
145 let response = reqwest::blocking::get(&url)?.error_for_status()?;
146 let progress = Progress::new(response);
147 let decoder = GzDecoder::new(progress);
148 let mut archive = Archive::new(decoder);
149 let prefix = format!("rust-{}", REVISION);
150
151 let tests_rust = Path::new("tests/rust");
152 if tests_rust.exists() {
153 fs::remove_dir_all(tests_rust)?;
154 }
155
156 for entry in archive.entries()? {
157 let mut entry = entry?;
158 let path = entry.path()?;
159 if path == Path::new("pax_global_header") {
160 continue;
161 }
162 let relative = path.strip_prefix(&prefix)?;
163 let out = tests_rust.join(relative);
164 entry.unpack(&out)?;
165 }
166
167 fs::write("tests/rust/COMMIT", REVISION)?;
168 Ok(())
169 }
170