//!
//! See [Eating your own dog food](https://en.wikipedia.org/wiki/Eating_your_own_dog_food) for context
-// Dogfood cannot run on Windows
-#![cfg(not(windows))]
#![feature(once_cell)]
+#![cfg_attr(feature = "deny-warnings", deny(warnings))]
+#![warn(rust_2018_idioms, unused_lifetimes)]
-use std::lazy::SyncLazy;
use std::path::PathBuf;
use std::process::Command;
+use test_utils::IS_RUSTC_TEST_SUITE;
-mod cargo;
-
-static CLIPPY_PATH: SyncLazy<PathBuf> = SyncLazy::new(|| cargo::TARGET_LIB.join("cargo-clippy"));
+mod test_utils;
#[test]
fn dogfood_clippy() {
- // run clippy on itself and fail the test if lint warnings are reported
- if cargo::is_rustc_test_suite() {
+ if IS_RUSTC_TEST_SUITE {
return;
}
+
+ // "" is the root package
+ for package in &["", "clippy_dev", "clippy_lints", "clippy_utils", "rustc_tools_util"] {
+ run_clippy_for_package(package);
+ }
+}
+
+#[test]
+#[ignore]
+#[cfg(feature = "internal")]
+fn run_metadata_collection_lint() {
+ use std::fs::File;
+ use std::time::SystemTime;
+
+ // Setup for validation
+ let metadata_output_path = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("util/gh-pages/lints.json");
+ let start_time = SystemTime::now();
+
+ // Run collection as is
+ std::env::set_var("ENABLE_METADATA_COLLECTION", "1");
+ run_clippy_for_package("clippy_lints");
+
+ // Check if cargo caching got in the way
+ if let Ok(file) = File::open(metadata_output_path) {
+ if let Ok(metadata) = file.metadata() {
+ if let Ok(last_modification) = metadata.modified() {
+ if last_modification > start_time {
+ // The output file has been modified. Most likely by a hungry
+ // metadata collection monster. So We'll return.
+ return;
+ }
+ }
+ }
+ }
+
+ // Force cargo to invalidate the caches
+ filetime::set_file_mtime(
+ PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("clippy_lints/src/lib.rs"),
+ filetime::FileTime::now(),
+ )
+ .unwrap();
+
+ // Running the collection again
+ run_clippy_for_package("clippy_lints");
+}
+
+fn run_clippy_for_package(project: &str) {
let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
- let enable_metadata_collection = std::env::var("ENABLE_METADATA_COLLECTION").unwrap_or_else(|_| "0".to_string());
- let mut command = Command::new(&*CLIPPY_PATH);
+ let mut command = Command::new(&*test_utils::CARGO_CLIPPY_PATH);
+
command
- .current_dir(root_dir)
- .env("CLIPPY_DOGFOOD", "1")
+ .current_dir(root_dir.join(project))
.env("CARGO_INCREMENTAL", "0")
- .env("ENABLE_METADATA_COLLECTION", &enable_metadata_collection)
.arg("clippy")
.arg("--all-targets")
.arg("--all-features")
.args(&["-D", "clippy::pedantic"])
.arg("-Cdebuginfo=0"); // disable debuginfo to generate less data in the target dir
- // internal lints only exist if we build with the internal-lints feature
- if cfg!(feature = "internal-lints") {
+ // internal lints only exist if we build with the internal feature
+ if cfg!(feature = "internal") {
command.args(&["-D", "clippy::internal"]);
}
assert!(output.status.success());
}
-
-fn test_no_deps_ignores_path_deps_in_workspaces() {
- if cargo::is_rustc_test_suite() {
- return;
- }
- let root = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
- let target_dir = root.join("target").join("dogfood");
- let cwd = root.join("clippy_workspace_tests");
-
- // Make sure we start with a clean state
- Command::new("cargo")
- .current_dir(&cwd)
- .env("CARGO_TARGET_DIR", &target_dir)
- .arg("clean")
- .args(&["-p", "subcrate"])
- .args(&["-p", "path_dep"])
- .output()
- .unwrap();
-
- // `path_dep` is a path dependency of `subcrate` that would trigger a denied lint.
- // Make sure that with the `--no-deps` argument Clippy does not run on `path_dep`.
- let output = Command::new(&*CLIPPY_PATH)
- .current_dir(&cwd)
- .env("CLIPPY_DOGFOOD", "1")
- .env("CARGO_INCREMENTAL", "0")
- .arg("clippy")
- .args(&["-p", "subcrate"])
- .arg("--")
- .arg("--no-deps")
- .arg("-Cdebuginfo=0") // disable debuginfo to generate less data in the target dir
- .args(&["--cfg", r#"feature="primary_package_test""#])
- .output()
- .unwrap();
- println!("status: {}", output.status);
- println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
- println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
-
- assert!(output.status.success());
-
- let lint_path_dep = || {
- // Test that without the `--no-deps` argument, `path_dep` is linted.
- let output = Command::new(&*CLIPPY_PATH)
- .current_dir(&cwd)
- .env("CLIPPY_DOGFOOD", "1")
- .env("CARGO_INCREMENTAL", "0")
- .arg("clippy")
- .args(&["-p", "subcrate"])
- .arg("--")
- .arg("-Cdebuginfo=0") // disable debuginfo to generate less data in the target dir
- .args(&["--cfg", r#"feature="primary_package_test""#])
- .output()
- .unwrap();
- println!("status: {}", output.status);
- println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
- println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
-
- assert!(!output.status.success());
- assert!(
- String::from_utf8(output.stderr)
- .unwrap()
- .contains("error: empty `loop {}` wastes CPU cycles")
- );
- };
-
- // Make sure Cargo is aware of the removal of `--no-deps`.
- lint_path_dep();
-
- let successful_build = || {
- let output = Command::new(&*CLIPPY_PATH)
- .current_dir(&cwd)
- .env("CLIPPY_DOGFOOD", "1")
- .env("CARGO_INCREMENTAL", "0")
- .arg("clippy")
- .args(&["-p", "subcrate"])
- .arg("--")
- .arg("-Cdebuginfo=0") // disable debuginfo to generate less data in the target dir
- .output()
- .unwrap();
- println!("status: {}", output.status);
- println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
- println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
-
- assert!(output.status.success());
-
- output
- };
-
- // Trigger a sucessful build, so Cargo would like to cache the build result.
- successful_build();
-
- // Make sure there's no spurious rebuild when nothing changes.
- let stderr = String::from_utf8(successful_build().stderr).unwrap();
- assert!(!stderr.contains("Compiling"));
- assert!(!stderr.contains("Checking"));
- assert!(stderr.contains("Finished"));
-
- // Make sure Cargo is aware of the new `--cfg` flag.
- lint_path_dep();
-}
-
-#[test]
-fn dogfood_subprojects() {
- // run clippy on remaining subprojects and fail the test if lint warnings are reported
- if cargo::is_rustc_test_suite() {
- return;
- }
- let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-
- // NOTE: `path_dep` crate is omitted on purpose here
- for d in &[
- "clippy_workspace_tests",
- "clippy_workspace_tests/src",
- "clippy_workspace_tests/subcrate",
- "clippy_workspace_tests/subcrate/src",
- "clippy_dev",
- "clippy_lints",
- "clippy_utils",
- "rustc_tools_util",
- ] {
- let mut command = Command::new(&*CLIPPY_PATH);
- command
- .current_dir(root_dir.join(d))
- .env("CLIPPY_DOGFOOD", "1")
- .env("CARGO_INCREMENTAL", "0")
- .arg("clippy")
- .arg("--all-targets")
- .arg("--all-features")
- .arg("--")
- .args(&["-D", "clippy::all"])
- .args(&["-D", "clippy::pedantic"])
- .arg("-Cdebuginfo=0"); // disable debuginfo to generate less data in the target dir
-
- // internal lints only exist if we build with the internal-lints feature
- if cfg!(feature = "internal-lints") {
- command.args(&["-D", "clippy::internal"]);
- }
-
- let output = command.output().unwrap();
-
- println!("status: {}", output.status);
- println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
- println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
-
- assert!(output.status.success());
- }
-
- // NOTE: Since tests run in parallel we can't run cargo commands on the same workspace at the
- // same time, so we test this immediately after the dogfood for workspaces.
- test_no_deps_ignores_path_deps_in_workspaces();
-}
projects / rust.git / blobdiff