src/tools/cargotest/main.rs

   1 use std::env;
   2 use std::fs;
   3 use std::path::{Path, PathBuf};
   4 use std::process::Command;
   5
   6 struct Test {
   7     repo: &'static str,
   8     name: &'static str,
   9     sha: &'static str,
  10     lock: Option<&'static str>,
  11     packages: &'static [&'static str],
  12 }
  13
  14 const TEST_REPOS: &'static [Test] = &[
  15     Test {
  16         name: "iron",
  17         repo: "https://github.com/iron/iron",
  18         sha: "cf056ea5e8052c1feea6141e40ab0306715a2c33",
  19         lock: None,
  20         packages: &[],
  21     },
  22     Test {
  23         name: "ripgrep",
  24         repo: "https://github.com/BurntSushi/ripgrep",
  25         sha: "ad9befbc1d3b5c695e7f6b6734ee1b8e683edd41",
  26         lock: None,
  27         packages: &[],
  28     },
  29     Test {
  30         name: "tokei",
  31         repo: "https://github.com/XAMPPRocky/tokei",
  32         sha: "5e11c4852fe4aa086b0e4fe5885822fbe57ba928",
  33         lock: None,
  34         packages: &[],
  35     },
  36     Test {
  37         name: "treeify",
  38         repo: "https://github.com/dzamlo/treeify",
  39         sha: "999001b223152441198f117a68fb81f57bc086dd",
  40         lock: None,
  41         packages: &[],
  42     },
  43     Test {
  44         name: "xsv",
  45         repo: "https://github.com/BurntSushi/xsv",
  46         sha: "66956b6bfd62d6ac767a6b6499c982eae20a2c9f",
  47         lock: None,
  48         packages: &[],
  49     },
  50     Test {
  51         name: "servo",
  52         repo: "https://github.com/servo/servo",
  53         sha: "caac107ae8145ef2fd20365e2b8fadaf09c2eb3b",
  54         lock: None,
  55         // Only test Stylo a.k.a. Quantum CSS, the parts of Servo going into Firefox.
  56         // This takes much less time to build than all of Servo and supports stable Rust.
  57         packages: &["selectors"],
  58     },
  59 ];
  60
  61 fn main() {
  62     let args = env::args().collect::<Vec<_>>();
  63     let ref cargo = args[1];
  64     let out_dir = Path::new(&args[2]);
  65     let ref cargo = Path::new(cargo);
  66
  67     for test in TEST_REPOS.iter().rev() {
  68         test_repo(cargo, out_dir, test);
  69     }
  70 }
  71
  72 fn test_repo(cargo: &Path, out_dir: &Path, test: &Test) {
  73     println!("testing {}", test.repo);
  74     let dir = clone_repo(test, out_dir);
  75     if let Some(lockfile) = test.lock {
  76         fs::write(&dir.join("Cargo.lock"), lockfile).unwrap();
  77     }
  78     if !run_cargo_test(cargo, &dir, test.packages) {
  79         panic!("tests failed for {}", test.repo);
  80     }
  81 }
  82
  83 fn clone_repo(test: &Test, out_dir: &Path) -> PathBuf {
  84     let out_dir = out_dir.join(test.name);
  85
  86     if !out_dir.join(".git").is_dir() {
  87         let status = Command::new("git").arg("init").arg(&out_dir).status().expect("");
  88         assert!(status.success());
  89     }
  90
  91     // Try progressively deeper fetch depths to find the commit
  92     let mut found = false;
  93     for depth in &[0, 1, 10, 100, 1000, 100000] {
  94         if *depth > 0 {
  95             let status = Command::new("git")
  96                 .arg("fetch")
  97                 .arg(test.repo)
  98                 .arg("master")
  99                 .arg(&format!("--depth={}", depth))
 100                 .current_dir(&out_dir)
 101                 .status()
 102                 .expect("");
 103             assert!(status.success());
 104         }
 105
 106         let status = Command::new("git")
 107             .arg("reset")
 108             .arg(test.sha)
 109             .arg("--hard")
 110             .current_dir(&out_dir)
 111             .status()
 112             .expect("");
 113
 114         if status.success() {
 115             found = true;
 116             break;
 117         }
 118     }
 119
 120     if !found {
 121         panic!("unable to find commit {}", test.sha)
 122     }
 123     let status =
 124         Command::new("git").arg("clean").arg("-fdx").current_dir(&out_dir).status().unwrap();
 125     assert!(status.success());
 126
 127     out_dir
 128 }
 129
 130 fn run_cargo_test(cargo_path: &Path, crate_path: &Path, packages: &[&str]) -> bool {
 131     let mut command = Command::new(cargo_path);
 132     command.arg("test");
 133     for name in packages {
 134         command.arg("-p").arg(name);
 135     }
 136     let status = command
 137         // Disable rust-lang/cargo's cross-compile tests
 138         .env("CFG_DISABLE_CROSS_TESTS", "1")
 139         // Relax #![deny(warnings)] in some crates
 140         .env("RUSTFLAGS", "--cap-lints warn")
 141         .current_dir(crate_path)
 142         .status()
 143         .expect("");
 144
 145     status.success()
 146 }