tests/dogfood.rs

   1 use std::path::PathBuf;
   2 use std::process::Command;
   3
   4 #[allow(dead_code)]
   5 mod cargo;
   6
   7 fn clippy_path() -> PathBuf {
   8     let build_info = cargo::BuildInfo::new();
   9     build_info.target_lib().join("cargo-clippy")
  10 }
  11
  12 #[test]
  13 fn dogfood_clippy() {
  14     // run clippy on itself and fail the test if lint warnings are reported
  15     if option_env!("RUSTC_TEST_SUITE").is_some() || cfg!(windows) {
  16         return;
  17     }
  18     let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
  19     let clippy_binary = clippy_path();
  20
  21     let output = Command::new(clippy_binary)
  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 option_env!("RUSTC_TEST_SUITE").is_some() || cfg!(windows) {
  46         return;
  47     }
  48     let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
  49     let clippy_binary = clippy_path();
  50
  51     for d in &[
  52         "clippy_workspace_tests",
  53         "clippy_workspace_tests/src",
  54         "clippy_workspace_tests/subcrate",
  55         "clippy_workspace_tests/subcrate/src",
  56         "clippy_dev",
  57         "rustc_tools_util",
  58     ] {
  59         let output = Command::new(&clippy_binary)
  60             .current_dir(root_dir.join(d))
  61             .env("CLIPPY_DOGFOOD", "1")
  62             .env("CARGO_INCREMENTAL", "0")
  63             .arg("clippy")
  64             .arg("--")
  65             .args(&["-D", "clippy::all"])
  66             .args(&["-D", "clippy::pedantic"])
  67             .arg("-Cdebuginfo=0") // disable debuginfo to generate less data in the target dir
  68             .output()
  69             .unwrap();
  70         println!("status: {}", output.status);
  71         println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
  72         println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
  73
  74         assert!(output.status.success());
  75     }
  76 }