tests/dogfood.rs

   1 // Dogfood cannot run on Windows
   2 #![cfg(not(windows))]
   3 #![feature(once_cell)]
   4
   5 use std::lazy::SyncLazy;
   6 use std::path::PathBuf;
   7 use std::process::Command;
   8
   9 mod cargo;
  10
  11 static CLIPPY_PATH: SyncLazy<PathBuf> = SyncLazy::new(|| cargo::TARGET_LIB.join("cargo-clippy"));
  12
  13 #[test]
  14 fn dogfood_clippy() {
  15     // run clippy on itself and fail the test if lint warnings are reported
  16     if cargo::is_rustc_test_suite() {
  17         return;
  18     }
  19     let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
  20
  21     let output = Command::new(&*CLIPPY_PATH)
  22         .current_dir(root_dir)
  23         .env("CLIPPY_DOGFOOD", "1")
  24         .env("CARGO_INCREMENTAL", "0")
  25         .arg("clippy-preview")
  26         .arg("--all-targets")
  27         .arg("--all-features")
  28         .arg("--")
  29         .args(&["-D", "clippy::all"])
  30         .args(&["-D", "clippy::internal"])
  31         .args(&["-D", "clippy::pedantic"])
  32         .arg("-Cdebuginfo=0") // disable debuginfo to generate less data in the target dir
  33         .output()
  34         .unwrap();
  35     println!("status: {}", output.status);
  36     println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
  37     println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
  38
  39     assert!(output.status.success());
  40 }
  41
  42 #[test]
  43 fn dogfood_subprojects() {
  44     // run clippy on remaining subprojects and fail the test if lint warnings are reported
  45     if cargo::is_rustc_test_suite() {
  46         return;
  47     }
  48     let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
  49
  50     for d in &[
  51         "clippy_workspace_tests",
  52         "clippy_workspace_tests/src",
  53         "clippy_workspace_tests/subcrate",
  54         "clippy_workspace_tests/subcrate/src",
  55         "clippy_dev",
  56         "rustc_tools_util",
  57     ] {
  58         let output = Command::new(&*CLIPPY_PATH)
  59             .current_dir(root_dir.join(d))
  60             .env("CLIPPY_DOGFOOD", "1")
  61             .env("CARGO_INCREMENTAL", "0")
  62             .arg("clippy")
  63             .arg("--")
  64             .args(&["-D", "clippy::all"])
  65             .args(&["-D", "clippy::pedantic"])
  66             .arg("-Cdebuginfo=0") // disable debuginfo to generate less data in the target dir
  67             .output()
  68             .unwrap();
  69         println!("status: {}", output.status);
  70         println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
  71         println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
  72
  73         assert!(output.status.success());
  74     }
  75 }