src/tools/clippy/tests/dogfood.rs

   1 // Dogfood cannot run on Windows
   2 #![cfg(not(windows))]
   3
   4 use lazy_static::lazy_static;
   5 use std::path::PathBuf;
   6 use std::process::Command;
   7
   8 mod cargo;
   9
  10 lazy_static! {
  11     static ref CLIPPY_PATH: PathBuf = cargo::TARGET_LIB.join("cargo-clippy");
  12 }
  13
  14 #[test]
  15 fn dogfood_clippy() {
  16     // run clippy on itself and fail the test if lint warnings are reported
  17     if cargo::is_rustc_test_suite() {
  18         return;
  19     }
  20     let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
  21
  22     let output = Command::new(&*CLIPPY_PATH)
  23         .current_dir(root_dir)
  24         .env("CLIPPY_DOGFOOD", "1")
  25         .env("CARGO_INCREMENTAL", "0")
  26         .arg("clippy-preview")
  27         .arg("--all-targets")
  28         .arg("--all-features")
  29         .arg("--")
  30         .args(&["-D", "clippy::all"])
  31         .args(&["-D", "clippy::internal"])
  32         .args(&["-D", "clippy::pedantic"])
  33         .arg("-Cdebuginfo=0") // disable debuginfo to generate less data in the target dir
  34         .output()
  35         .unwrap();
  36     println!("status: {}", output.status);
  37     println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
  38     println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
  39
  40     assert!(output.status.success());
  41 }
  42
  43 #[test]
  44 fn dogfood_subprojects() {
  45     // run clippy on remaining subprojects and fail the test if lint warnings are reported
  46     if cargo::is_rustc_test_suite() {
  47         return;
  48     }
  49     let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
  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_PATH)
  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 }