1 mod progress;
2
3 use self::progress::Progress;
4 use anyhow::Result;
5 use flate2::read::GzDecoder;
6 use std::fs;
7 use std::path::Path;
8 use tar::Archive;
9 use walkdir::DirEntry;
10
11 const REVISION: &str = "81e754c359c471f91263813c46c67955071716a7";
12
13 #[rustfmt::skip]
14 static EXCLUDE: &[&str] = &[
15 // Deprecated anonymous parameter syntax in traits
16 "test/ui/issues/issue-13105.rs",
17 "test/ui/issues/issue-13775.rs",
18 "test/ui/issues/issue-34074.rs",
19 "test/ui/proc-macro/trait-fn-args-2015.rs",
20
21 // not actually test cases
22 "test/rustdoc-ui/test-compile-fail2.rs",
23 "test/rustdoc-ui/test-compile-fail3.rs",
24 "test/ui/include-single-expr-helper.rs",
25 "test/ui/include-single-expr-helper-1.rs",
26 "test/ui/issues/auxiliary/issue-21146-inc.rs",
27 "test/ui/json-bom-plus-crlf-multifile-aux.rs",
28 "test/ui/lint/expansion-time-include.rs",
29 "test/ui/macros/auxiliary/macro-comma-support.rs",
30 "test/ui/macros/auxiliary/macro-include-items-expr.rs",
31 ];
32
base_dir_filter(entry: &DirEntry) -> bool33 pub fn base_dir_filter(entry: &DirEntry) -> bool {
34 let path = entry.path();
35 if path.is_dir() {
36 return true; // otherwise walkdir does not visit the files
37 }
38 if path.extension().map(|e| e != "rs").unwrap_or(true) {
39 return false;
40 }
41
42 let mut path_string = path.to_string_lossy();
43 if cfg!(windows) {
44 path_string = path_string.replace('\\', "/").into();
45 }
46 let path = if let Some(path) = path_string.strip_prefix("tests/rust/src/") {
47 path
48 } else if let Some(path) = path_string.strip_prefix("tests/rust/library/") {
49 path
50 } else {
51 panic!("unexpected path in Rust dist: {}", path_string);
52 };
53
54 // TODO assert that parsing fails on the parse-fail cases
55 if path.starts_with("test/parse-fail")
56 || path.starts_with("test/compile-fail")
57 || path.starts_with("test/rustfix")
58 {
59 return false;
60 }
61
62 if path.starts_with("test/ui") {
63 let stderr_path = entry.path().with_extension("stderr");
64 if stderr_path.exists() {
65 // Expected to fail in some way
66 return false;
67 }
68 }
69
70 !EXCLUDE.contains(&path)
71 }
72
73 #[allow(dead_code)]
edition(path: &Path) -> &'static str74 pub fn edition(path: &Path) -> &'static str {
75 if path.ends_with("dyn-2015-no-warnings-without-lints.rs") {
76 "2015"
77 } else {
78 "2018"
79 }
80 }
81
clone_rust()82 pub fn clone_rust() {
83 let needs_clone = match fs::read_to_string("tests/rust/COMMIT") {
84 Err(_) => true,
85 Ok(contents) => contents.trim() != REVISION,
86 };
87 if needs_clone {
88 download_and_unpack().unwrap();
89 }
90 let mut missing = String::new();
91 let test_src = Path::new("tests/rust/src");
92 for exclude in EXCLUDE {
93 if !test_src.join(exclude).exists() {
94 missing += "\ntests/rust/src/";
95 missing += exclude;
96 }
97 }
98 if !missing.is_empty() {
99 panic!("excluded test file does not exist:{}\n", missing);
100 }
101 }
102
download_and_unpack() -> Result<()>103 fn download_and_unpack() -> Result<()> {
104 let url = format!(
105 "https://github.com/rust-lang/rust/archive/{}.tar.gz",
106 REVISION
107 );
108 let response = reqwest::blocking::get(&url)?.error_for_status()?;
109 let progress = Progress::new(response);
110 let decoder = GzDecoder::new(progress);
111 let mut archive = Archive::new(decoder);
112 let prefix = format!("rust-{}", REVISION);
113
114 let tests_rust = Path::new("tests/rust");
115 if tests_rust.exists() {
116 fs::remove_dir_all(tests_rust)?;
117 }
118
119 for entry in archive.entries()? {
120 let mut entry = entry?;
121 let path = entry.path()?;
122 if path == Path::new("pax_global_header") {
123 continue;
124 }
125 let relative = path.strip_prefix(&prefix)?;
126 let out = tests_rust.join(relative);
127 entry.unpack(&out)?;
128 }
129
130 fs::write("tests/rust/COMMIT", REVISION)?;
131 Ok(())
132 }
133