1 //! Implementation of the test-related targets of the build system.
3 //! This file implements the various regression test suites that we execute on
7 use std::ffi::OsString;
11 use std::path::{Path, PathBuf};
12 use std::process::Command;
14 use build_helper::{self, output, t};
16 use crate::builder::{Builder, Compiler, Kind, RunConfig, ShouldRun, Step};
17 use crate::cache::{Interned, INTERNER};
19 use crate::config::TargetSelection;
21 use crate::flags::Subcommand;
23 use crate::tool::{self, SourceType, Tool};
24 use crate::toolstate::ToolState;
25 use crate::util::{self, add_link_lib_path, dylib_path, dylib_path_var};
26 use crate::Crate as CargoCrate;
27 use crate::{envify, DocTests, GitRepo, Mode};
29 const ADB_TEST_DIR: &str = "/data/tmp/work";
31 /// The two modes of the test runner; tests or benchmarks.
32 #[derive(Debug, PartialEq, Eq, Hash, Copy, Clone, PartialOrd, Ord)]
36 /// Run `cargo bench`.
40 impl From<Kind> for TestKind {
41 fn from(kind: Kind) -> Self {
43 Kind::Test => TestKind::Test,
44 Kind::Bench => TestKind::Bench,
45 _ => panic!("unexpected kind in crate: {:?}", kind),
51 // Return the cargo subcommand for this test kind
52 fn subcommand(self) -> &'static str {
54 TestKind::Test => "test",
55 TestKind::Bench => "bench",
60 impl fmt::Display for TestKind {
61 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
62 f.write_str(match *self {
63 TestKind::Test => "Testing",
64 TestKind::Bench => "Benchmarking",
69 fn try_run(builder: &Builder<'_>, cmd: &mut Command) -> bool {
70 if !builder.fail_fast {
71 if !builder.try_run(cmd) {
72 let mut failures = builder.delayed_failures.borrow_mut();
73 failures.push(format!("{:?}", cmd));
82 fn try_run_quiet(builder: &Builder<'_>, cmd: &mut Command) -> bool {
83 if !builder.fail_fast {
84 if !builder.try_run_quiet(cmd) {
85 let mut failures = builder.delayed_failures.borrow_mut();
86 failures.push(format!("{:?}", cmd));
90 builder.run_quiet(cmd);
95 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
96 pub struct Linkcheck {
97 host: TargetSelection,
100 impl Step for Linkcheck {
102 const ONLY_HOSTS: bool = true;
103 const DEFAULT: bool = true;
105 /// Runs the `linkchecker` tool as compiled in `stage` by the `host` compiler.
107 /// This tool in `src/tools` will verify the validity of all our links in the
108 /// documentation to ensure we don't have a bunch of dead ones.
109 fn run(self, builder: &Builder<'_>) {
110 let host = self.host;
112 builder.info(&format!("Linkcheck ({})", host));
114 builder.default_doc(None);
116 let _time = util::timeit(&builder);
119 builder.tool_cmd(Tool::Linkchecker).arg(builder.out.join(host.triple).join("doc")),
123 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
124 let builder = run.builder;
125 run.path("src/tools/linkchecker").default_condition(builder.config.docs)
128 fn make_run(run: RunConfig<'_>) {
129 run.builder.ensure(Linkcheck { host: run.target });
133 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
134 pub struct Cargotest {
136 host: TargetSelection,
139 impl Step for Cargotest {
141 const ONLY_HOSTS: bool = true;
143 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
144 run.path("src/tools/cargotest")
147 fn make_run(run: RunConfig<'_>) {
148 run.builder.ensure(Cargotest { stage: run.builder.top_stage, host: run.target });
151 /// Runs the `cargotest` tool as compiled in `stage` by the `host` compiler.
153 /// This tool in `src/tools` will check out a few Rust projects and run `cargo
154 /// test` to ensure that we don't regress the test suites there.
155 fn run(self, builder: &Builder<'_>) {
156 let compiler = builder.compiler(self.stage, self.host);
157 builder.ensure(compile::Rustc { compiler, target: compiler.host });
158 let cargo = builder.ensure(tool::Cargo { compiler, target: compiler.host });
160 // Note that this is a short, cryptic, and not scoped directory name. This
161 // is currently to minimize the length of path on Windows where we otherwise
162 // quickly run into path name limit constraints.
163 let out_dir = builder.out.join("ct");
164 t!(fs::create_dir_all(&out_dir));
166 let _time = util::timeit(&builder);
167 let mut cmd = builder.tool_cmd(Tool::CargoTest);
172 .env("RUSTC", builder.rustc(compiler))
173 .env("RUSTDOC", builder.rustdoc(compiler)),
178 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
181 host: TargetSelection,
184 impl Step for Cargo {
186 const ONLY_HOSTS: bool = true;
188 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
189 run.path("src/tools/cargo")
192 fn make_run(run: RunConfig<'_>) {
193 run.builder.ensure(Cargo { stage: run.builder.top_stage, host: run.target });
196 /// Runs `cargo test` for `cargo` packaged with Rust.
197 fn run(self, builder: &Builder<'_>) {
198 let compiler = builder.compiler(self.stage, self.host);
200 builder.ensure(tool::Cargo { compiler, target: self.host });
201 let mut cargo = tool::prepare_tool_cargo(
208 SourceType::Submodule,
212 if !builder.fail_fast {
213 cargo.arg("--no-fail-fast");
216 // Don't run cross-compile tests, we may not have cross-compiled libstd libs
218 cargo.env("CFG_DISABLE_CROSS_TESTS", "1");
219 // Disable a test that has issues with mingw.
220 cargo.env("CARGO_TEST_DISABLE_GIT_CLI", "1");
221 // Forcibly disable tests using nightly features since any changes to
222 // those features won't be able to land.
223 cargo.env("CARGO_TEST_DISABLE_NIGHTLY", "1");
225 cargo.env("PATH", &path_for_cargo(builder, compiler));
227 try_run(builder, &mut cargo.into());
231 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
234 host: TargetSelection,
239 const ONLY_HOSTS: bool = true;
241 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
242 run.path("src/tools/rls")
245 fn make_run(run: RunConfig<'_>) {
246 run.builder.ensure(Rls { stage: run.builder.top_stage, host: run.target });
249 /// Runs `cargo test` for the rls.
250 fn run(self, builder: &Builder<'_>) {
251 let stage = self.stage;
252 let host = self.host;
253 let compiler = builder.compiler(stage, host);
256 builder.ensure(tool::Rls { compiler, target: self.host, extra_features: Vec::new() });
257 if build_result.is_none() {
258 eprintln!("failed to test rls: could not build");
262 let mut cargo = tool::prepare_tool_cargo(
269 SourceType::Submodule,
273 cargo.add_rustc_lib_path(builder, compiler);
274 cargo.arg("--").args(builder.config.cmd.test_args());
276 if try_run(builder, &mut cargo.into()) {
277 builder.save_toolstate("rls", ToolState::TestPass);
282 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
285 host: TargetSelection,
288 impl Step for Rustfmt {
290 const ONLY_HOSTS: bool = true;
292 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
293 run.path("src/tools/rustfmt")
296 fn make_run(run: RunConfig<'_>) {
297 run.builder.ensure(Rustfmt { stage: run.builder.top_stage, host: run.target });
300 /// Runs `cargo test` for rustfmt.
301 fn run(self, builder: &Builder<'_>) {
302 let stage = self.stage;
303 let host = self.host;
304 let compiler = builder.compiler(stage, host);
306 let build_result = builder.ensure(tool::Rustfmt {
309 extra_features: Vec::new(),
311 if build_result.is_none() {
312 eprintln!("failed to test rustfmt: could not build");
316 let mut cargo = tool::prepare_tool_cargo(
323 SourceType::Submodule,
327 let dir = testdir(builder, compiler.host);
328 t!(fs::create_dir_all(&dir));
329 cargo.env("RUSTFMT_TEST_DIR", dir);
331 cargo.add_rustc_lib_path(builder, compiler);
333 if try_run(builder, &mut cargo.into()) {
334 builder.save_toolstate("rustfmt", ToolState::TestPass);
339 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
342 host: TargetSelection,
347 const ONLY_HOSTS: bool = true;
349 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
350 run.path("src/tools/miri")
353 fn make_run(run: RunConfig<'_>) {
354 run.builder.ensure(Miri { stage: run.builder.top_stage, host: run.target });
357 /// Runs `cargo test` for miri.
358 fn run(self, builder: &Builder<'_>) {
359 let stage = self.stage;
360 let host = self.host;
361 let compiler = builder.compiler(stage, host);
364 builder.ensure(tool::Miri { compiler, target: self.host, extra_features: Vec::new() });
365 let cargo_miri = builder.ensure(tool::CargoMiri {
368 extra_features: Vec::new(),
370 if let (Some(miri), Some(_cargo_miri)) = (miri, cargo_miri) {
372 builder.cargo(compiler, Mode::ToolRustc, SourceType::Submodule, host, "install");
374 // Configure `cargo install` path. cargo adds a `bin/`.
375 cargo.env("CARGO_INSTALL_ROOT", &builder.out);
377 let mut cargo = Command::from(cargo);
378 if !try_run(builder, &mut cargo) {
382 // # Run `cargo miri setup`.
383 let mut cargo = tool::prepare_tool_cargo(
389 "src/tools/miri/cargo-miri",
390 SourceType::Submodule,
393 cargo.arg("--").arg("miri").arg("setup");
395 // Tell `cargo miri setup` where to find the sources.
396 cargo.env("XARGO_RUST_SRC", builder.src.join("library"));
397 // Tell it where to find Miri.
398 cargo.env("MIRI", &miri);
400 cargo.env("RUST_BACKTRACE", "1");
401 // Let cargo-miri know where xargo ended up.
402 cargo.env("XARGO_CHECK", builder.out.join("bin").join("xargo-check"));
404 let mut cargo = Command::from(cargo);
405 if !try_run(builder, &mut cargo) {
409 // # Determine where Miri put its sysroot.
410 // To this end, we run `cargo miri setup --print-sysroot` and capture the output.
411 // (We do this separately from the above so that when the setup actually
412 // happens we get some output.)
413 // We re-use the `cargo` from above.
414 cargo.arg("--print-sysroot");
416 // FIXME: Is there a way in which we can re-use the usual `run` helpers?
417 let miri_sysroot = if builder.config.dry_run {
420 builder.verbose(&format!("running: {:?}", cargo));
423 .expect("We already ran `cargo miri setup` before and that worked");
424 assert!(out.status.success(), "`cargo miri setup` returned with non-0 exit code");
425 // Output is "<sysroot>\n".
426 let stdout = String::from_utf8(out.stdout)
427 .expect("`cargo miri setup` stdout is not valid UTF-8");
428 let sysroot = stdout.trim_end();
429 builder.verbose(&format!("`cargo miri setup --print-sysroot` said: {:?}", sysroot));
433 // # Run `cargo test`.
434 let mut cargo = tool::prepare_tool_cargo(
441 SourceType::Submodule,
445 // miri tests need to know about the stage sysroot
446 cargo.env("MIRI_SYSROOT", miri_sysroot);
447 cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
448 cargo.env("MIRI", miri);
450 cargo.arg("--").args(builder.config.cmd.test_args());
452 cargo.add_rustc_lib_path(builder, compiler);
454 if !try_run(builder, &mut cargo.into()) {
459 builder.save_toolstate("miri", ToolState::TestPass);
461 eprintln!("failed to test miri: could not build");
466 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
467 pub struct CompiletestTest {
468 host: TargetSelection,
471 impl Step for CompiletestTest {
474 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
475 run.path("src/tools/compiletest")
478 fn make_run(run: RunConfig<'_>) {
479 run.builder.ensure(CompiletestTest { host: run.target });
482 /// Runs `cargo test` for compiletest.
483 fn run(self, builder: &Builder<'_>) {
484 let host = self.host;
485 let compiler = builder.compiler(0, host);
487 let cargo = tool::prepare_tool_cargo(
493 "src/tools/compiletest",
498 try_run(builder, &mut cargo.into());
502 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
505 host: TargetSelection,
508 impl Step for Clippy {
510 const ONLY_HOSTS: bool = true;
511 const DEFAULT: bool = false;
513 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
514 run.path("src/tools/clippy")
517 fn make_run(run: RunConfig<'_>) {
518 run.builder.ensure(Clippy { stage: run.builder.top_stage, host: run.target });
521 /// Runs `cargo test` for clippy.
522 fn run(self, builder: &Builder<'_>) {
523 let stage = self.stage;
524 let host = self.host;
525 let compiler = builder.compiler(stage, host);
528 .ensure(tool::Clippy { compiler, target: self.host, extra_features: Vec::new() })
529 .expect("in-tree tool");
530 let mut cargo = tool::prepare_tool_cargo(
541 // clippy tests need to know about the stage sysroot
542 cargo.env("SYSROOT", builder.sysroot(compiler));
543 cargo.env("RUSTC_TEST_SUITE", builder.rustc(compiler));
544 cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
545 let host_libs = builder.stage_out(compiler, Mode::ToolRustc).join(builder.cargo_dir());
546 let target_libs = builder
547 .stage_out(compiler, Mode::ToolRustc)
548 .join(&self.host.triple)
549 .join(builder.cargo_dir());
550 cargo.env("HOST_LIBS", host_libs);
551 cargo.env("TARGET_LIBS", target_libs);
552 // clippy tests need to find the driver
553 cargo.env("CLIPPY_DRIVER_PATH", clippy);
555 cargo.arg("--").args(builder.config.cmd.test_args());
557 cargo.add_rustc_lib_path(builder, compiler);
559 builder.run(&mut cargo.into());
563 fn path_for_cargo(builder: &Builder<'_>, compiler: Compiler) -> OsString {
564 // Configure PATH to find the right rustc. NB. we have to use PATH
565 // and not RUSTC because the Cargo test suite has tests that will
566 // fail if rustc is not spelled `rustc`.
567 let path = builder.sysroot(compiler).join("bin");
568 let old_path = env::var_os("PATH").unwrap_or_default();
569 env::join_paths(iter::once(path).chain(env::split_paths(&old_path))).expect("")
572 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
573 pub struct RustdocTheme {
574 pub compiler: Compiler,
577 impl Step for RustdocTheme {
579 const DEFAULT: bool = true;
580 const ONLY_HOSTS: bool = true;
582 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
583 run.path("src/tools/rustdoc-themes")
586 fn make_run(run: RunConfig<'_>) {
587 let compiler = run.builder.compiler(run.builder.top_stage, run.target);
589 run.builder.ensure(RustdocTheme { compiler });
592 fn run(self, builder: &Builder<'_>) {
593 let rustdoc = builder.out.join("bootstrap/debug/rustdoc");
594 let mut cmd = builder.tool_cmd(Tool::RustdocTheme);
595 cmd.arg(rustdoc.to_str().unwrap())
596 .arg(builder.src.join("src/librustdoc/html/static/themes").to_str().unwrap())
597 .env("RUSTC_STAGE", self.compiler.stage.to_string())
598 .env("RUSTC_SYSROOT", builder.sysroot(self.compiler))
599 .env("RUSTDOC_LIBDIR", builder.sysroot_libdir(self.compiler, self.compiler.host))
600 .env("CFG_RELEASE_CHANNEL", &builder.config.channel)
601 .env("RUSTDOC_REAL", builder.rustdoc(self.compiler))
602 .env("RUSTC_BOOTSTRAP", "1");
603 if let Some(linker) = builder.linker(self.compiler.host) {
604 cmd.env("RUSTDOC_LINKER", linker);
606 if builder.is_fuse_ld_lld(self.compiler.host) {
607 cmd.env("RUSTDOC_FUSE_LD_LLD", "1");
609 try_run(builder, &mut cmd);
613 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
614 pub struct RustdocJSStd {
615 pub target: TargetSelection,
618 impl Step for RustdocJSStd {
620 const DEFAULT: bool = true;
621 const ONLY_HOSTS: bool = true;
623 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
624 run.path("src/test/rustdoc-js-std")
627 fn make_run(run: RunConfig<'_>) {
628 run.builder.ensure(RustdocJSStd { target: run.target });
631 fn run(self, builder: &Builder<'_>) {
632 if let Some(ref nodejs) = builder.config.nodejs {
633 let mut command = Command::new(nodejs);
635 .arg(builder.src.join("src/tools/rustdoc-js/tester.js"))
638 .arg("--resource-suffix")
639 .arg(&builder.version)
641 .arg(builder.doc_out(self.target))
642 .arg("--test-folder")
643 .arg(builder.src.join("src/test/rustdoc-js-std"));
644 builder.ensure(crate::doc::Std { target: self.target, stage: builder.top_stage });
645 builder.run(&mut command);
647 builder.info("No nodejs found, skipping \"src/test/rustdoc-js-std\" tests");
652 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
653 pub struct RustdocJSNotStd {
654 pub target: TargetSelection,
655 pub compiler: Compiler,
658 impl Step for RustdocJSNotStd {
660 const DEFAULT: bool = true;
661 const ONLY_HOSTS: bool = true;
663 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
664 run.path("src/test/rustdoc-js")
667 fn make_run(run: RunConfig<'_>) {
668 let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
669 run.builder.ensure(RustdocJSNotStd { target: run.target, compiler });
672 fn run(self, builder: &Builder<'_>) {
673 if builder.config.nodejs.is_some() {
674 builder.ensure(Compiletest {
675 compiler: self.compiler,
679 path: "src/test/rustdoc-js",
683 builder.info("No nodejs found, skipping \"src/test/rustdoc-js\" tests");
688 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
689 pub struct RustdocUi {
690 pub target: TargetSelection,
691 pub compiler: Compiler,
694 impl Step for RustdocUi {
696 const DEFAULT: bool = true;
697 const ONLY_HOSTS: bool = true;
699 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
700 run.path("src/test/rustdoc-ui")
703 fn make_run(run: RunConfig<'_>) {
704 let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
705 run.builder.ensure(RustdocUi { target: run.target, compiler });
708 fn run(self, builder: &Builder<'_>) {
709 builder.ensure(Compiletest {
710 compiler: self.compiler,
714 path: "src/test/rustdoc-ui",
720 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
725 const DEFAULT: bool = true;
726 const ONLY_HOSTS: bool = true;
728 /// Runs the `tidy` tool.
730 /// This tool in `src/tools` checks up on various bits and pieces of style and
731 /// otherwise just implements a few lint-like checks that are specific to the
734 /// Once tidy passes, this step also runs `fmt --check` if tests are being run
735 /// for the `dev` or `nightly` channels.
736 fn run(self, builder: &Builder<'_>) {
737 let mut cmd = builder.tool_cmd(Tool::Tidy);
738 cmd.arg(&builder.src);
739 cmd.arg(&builder.initial_cargo);
740 cmd.arg(&builder.out);
741 if builder.is_verbose() {
742 cmd.arg("--verbose");
745 builder.info("tidy check");
746 try_run(builder, &mut cmd);
748 if builder.config.channel == "dev" || builder.config.channel == "nightly" {
749 builder.info("fmt check");
750 crate::format::format(&builder.build, !builder.config.cmd.bless());
754 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
755 run.path("src/tools/tidy")
758 fn make_run(run: RunConfig<'_>) {
759 run.builder.ensure(Tidy);
763 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
764 pub struct ExpandYamlAnchors;
766 impl Step for ExpandYamlAnchors {
768 const ONLY_HOSTS: bool = true;
770 /// Ensure the `generate-ci-config` tool was run locally.
772 /// The tool in `src/tools` reads the CI definition in `src/ci/builders.yml` and generates the
773 /// appropriate configuration for all our CI providers. This step ensures the tool was called
774 /// by the user before committing CI changes.
775 fn run(self, builder: &Builder<'_>) {
776 builder.info("Ensuring the YAML anchors in the GitHub Actions config were expanded");
779 &mut builder.tool_cmd(Tool::ExpandYamlAnchors).arg("check").arg(&builder.src),
783 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
784 run.path("src/tools/expand-yaml-anchors")
787 fn make_run(run: RunConfig<'_>) {
788 run.builder.ensure(ExpandYamlAnchors);
792 fn testdir(builder: &Builder<'_>, host: TargetSelection) -> PathBuf {
793 builder.out.join(host.triple).join("test")
796 macro_rules! default_test {
797 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr }) => {
798 test!($name { path: $path, mode: $mode, suite: $suite, default: true, host: false });
802 macro_rules! default_test_with_compare_mode {
803 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr,
804 compare_mode: $compare_mode:expr }) => {
805 test_with_compare_mode!($name {
811 compare_mode: $compare_mode
816 macro_rules! host_test {
817 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr }) => {
818 test!($name { path: $path, mode: $mode, suite: $suite, default: true, host: true });
823 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr, default: $default:expr,
824 host: $host:expr }) => {
825 test_definitions!($name {
836 macro_rules! test_with_compare_mode {
837 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr, default: $default:expr,
838 host: $host:expr, compare_mode: $compare_mode:expr }) => {
839 test_definitions!($name {
845 compare_mode: Some($compare_mode)
850 macro_rules! test_definitions {
855 default: $default:expr,
857 compare_mode: $compare_mode:expr
859 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
861 pub compiler: Compiler,
862 pub target: TargetSelection,
865 impl Step for $name {
867 const DEFAULT: bool = $default;
868 const ONLY_HOSTS: bool = $host;
870 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
871 run.suite_path($path)
874 fn make_run(run: RunConfig<'_>) {
875 let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
877 run.builder.ensure($name { compiler, target: run.target });
880 fn run(self, builder: &Builder<'_>) {
881 builder.ensure(Compiletest {
882 compiler: self.compiler,
887 compare_mode: $compare_mode,
894 default_test_with_compare_mode!(Ui {
901 default_test!(CompileFail {
902 path: "src/test/compile-fail",
903 mode: "compile-fail",
904 suite: "compile-fail"
907 default_test!(RunPassValgrind {
908 path: "src/test/run-pass-valgrind",
909 mode: "run-pass-valgrind",
910 suite: "run-pass-valgrind"
913 default_test!(MirOpt { path: "src/test/mir-opt", mode: "mir-opt", suite: "mir-opt" });
915 default_test!(Codegen { path: "src/test/codegen", mode: "codegen", suite: "codegen" });
917 default_test!(CodegenUnits {
918 path: "src/test/codegen-units",
919 mode: "codegen-units",
920 suite: "codegen-units"
923 default_test!(Incremental {
924 path: "src/test/incremental",
929 default_test!(Debuginfo { path: "src/test/debuginfo", mode: "debuginfo", suite: "debuginfo" });
931 host_test!(UiFullDeps { path: "src/test/ui-fulldeps", mode: "ui", suite: "ui-fulldeps" });
933 host_test!(Rustdoc { path: "src/test/rustdoc", mode: "rustdoc", suite: "rustdoc" });
935 host_test!(Pretty { path: "src/test/pretty", mode: "pretty", suite: "pretty" });
937 default_test!(RunMake { path: "src/test/run-make", mode: "run-make", suite: "run-make" });
939 host_test!(RunMakeFullDeps {
940 path: "src/test/run-make-fulldeps",
942 suite: "run-make-fulldeps"
945 default_test!(Assembly { path: "src/test/assembly", mode: "assembly", suite: "assembly" });
947 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
950 target: TargetSelection,
954 compare_mode: Option<&'static str>,
957 impl Step for Compiletest {
960 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
964 /// Executes the `compiletest` tool to run a suite of tests.
966 /// Compiles all tests with `compiler` for `target` with the specified
967 /// compiletest `mode` and `suite` arguments. For example `mode` can be
968 /// "run-pass" or `suite` can be something like `debuginfo`.
969 fn run(self, builder: &Builder<'_>) {
970 if builder.top_stage == 0 && env::var("COMPILETEST_FORCE_STAGE0").is_err() {
972 error: `--stage 0` runs compiletest on the beta compiler, not your local changes, and will almost always cause tests to fail
973 help: to test the compiler, use `--stage 1` instead
974 help: to test the standard library, use `--stage 0 library/std` instead
975 note: if you're sure you want to do this, please open an issue as to why. In the meantime, you can override this with `COMPILETEST_FORCE_STAGE0=1`."
977 std::process::exit(1);
980 let compiler = self.compiler;
981 let target = self.target;
982 let mode = self.mode;
983 let suite = self.suite;
985 // Path for test suite
986 let suite_path = self.path;
988 // Skip codegen tests if they aren't enabled in configuration.
989 if !builder.config.codegen_tests && suite == "codegen" {
993 if suite == "debuginfo" {
995 .ensure(dist::DebuggerScripts { sysroot: builder.sysroot(compiler), host: target });
998 if suite.ends_with("fulldeps") {
999 builder.ensure(compile::Rustc { compiler, target });
1002 builder.ensure(compile::Std { compiler, target });
1003 // ensure that `libproc_macro` is available on the host.
1004 builder.ensure(compile::Std { compiler, target: compiler.host });
1006 // Also provide `rust_test_helpers` for the host.
1007 builder.ensure(native::TestHelpers { target: compiler.host });
1009 // As well as the target, except for plain wasm32, which can't build it
1010 if !target.contains("wasm32") || target.contains("emscripten") {
1011 builder.ensure(native::TestHelpers { target });
1014 builder.ensure(RemoteCopyLibs { compiler, target });
1016 let mut cmd = builder.tool_cmd(Tool::Compiletest);
1018 // compiletest currently has... a lot of arguments, so let's just pass all
1021 cmd.arg("--compile-lib-path").arg(builder.rustc_libdir(compiler));
1022 cmd.arg("--run-lib-path").arg(builder.sysroot_libdir(compiler, target));
1023 cmd.arg("--rustc-path").arg(builder.rustc(compiler));
1025 let is_rustdoc = suite.ends_with("rustdoc-ui") || suite.ends_with("rustdoc-js");
1027 // Avoid depending on rustdoc when we don't need it.
1028 if mode == "rustdoc"
1029 || (mode == "run-make" && suite.ends_with("fulldeps"))
1030 || (mode == "ui" && is_rustdoc)
1031 || mode == "js-doc-test"
1033 cmd.arg("--rustdoc-path").arg(builder.rustdoc(compiler));
1036 if mode == "run-make" && suite.ends_with("fulldeps") {
1037 cmd.arg("--rust-demangler-path").arg(builder.tool_exe(Tool::RustDemangler));
1040 cmd.arg("--src-base").arg(builder.src.join("src/test").join(suite));
1041 cmd.arg("--build-base").arg(testdir(builder, compiler.host).join(suite));
1042 cmd.arg("--stage-id").arg(format!("stage{}-{}", compiler.stage, target));
1043 cmd.arg("--suite").arg(suite);
1044 cmd.arg("--mode").arg(mode);
1045 cmd.arg("--target").arg(target.rustc_target_arg());
1046 cmd.arg("--host").arg(&*compiler.host.triple);
1047 cmd.arg("--llvm-filecheck").arg(builder.llvm_filecheck(builder.config.build));
1049 if builder.config.cmd.bless() {
1054 builder.config.cmd.compare_mode().or_else(|| {
1055 if builder.config.test_compare_mode { self.compare_mode } else { None }
1058 if let Some(ref pass) = builder.config.cmd.pass() {
1063 if let Some(ref nodejs) = builder.config.nodejs {
1064 cmd.arg("--nodejs").arg(nodejs);
1067 let mut flags = if is_rustdoc { Vec::new() } else { vec!["-Crpath".to_string()] };
1069 if builder.config.rust_optimize_tests {
1070 flags.push("-O".to_string());
1073 flags.push(format!("-Cdebuginfo={}", builder.config.rust_debuginfo_level_tests));
1074 flags.push("-Zunstable-options".to_string());
1075 flags.push(builder.config.cmd.rustc_args().join(" "));
1077 if let Some(linker) = builder.linker(target) {
1078 cmd.arg("--linker").arg(linker);
1081 let mut hostflags = flags.clone();
1082 hostflags.push(format!("-Lnative={}", builder.test_helpers_out(compiler.host).display()));
1083 if builder.is_fuse_ld_lld(compiler.host) {
1084 hostflags.push("-Clink-args=-fuse-ld=lld".to_string());
1086 cmd.arg("--host-rustcflags").arg(hostflags.join(" "));
1088 let mut targetflags = flags;
1089 targetflags.push(format!("-Lnative={}", builder.test_helpers_out(target).display()));
1090 if builder.is_fuse_ld_lld(target) {
1091 targetflags.push("-Clink-args=-fuse-ld=lld".to_string());
1093 cmd.arg("--target-rustcflags").arg(targetflags.join(" "));
1095 cmd.arg("--docck-python").arg(builder.python());
1097 if builder.config.build.ends_with("apple-darwin") {
1098 // Force /usr/bin/python3 on macOS for LLDB tests because we're loading the
1099 // LLDB plugin's compiled module which only works with the system python
1100 // (namely not Homebrew-installed python)
1101 cmd.arg("--lldb-python").arg("/usr/bin/python3");
1103 cmd.arg("--lldb-python").arg(builder.python());
1106 if let Some(ref gdb) = builder.config.gdb {
1107 cmd.arg("--gdb").arg(gdb);
1110 let run = |cmd: &mut Command| {
1111 cmd.output().map(|output| {
1112 String::from_utf8_lossy(&output.stdout)
1115 .unwrap_or_else(|| panic!("{:?} failed {:?}", cmd, output))
1119 let lldb_exe = "lldb";
1120 let lldb_version = Command::new(lldb_exe)
1123 .map(|output| String::from_utf8_lossy(&output.stdout).to_string())
1125 if let Some(ref vers) = lldb_version {
1126 cmd.arg("--lldb-version").arg(vers);
1127 let lldb_python_dir = run(Command::new(lldb_exe).arg("-P")).ok();
1128 if let Some(ref dir) = lldb_python_dir {
1129 cmd.arg("--lldb-python-dir").arg(dir);
1133 if util::forcing_clang_based_tests() {
1134 let clang_exe = builder.llvm_out(target).join("bin").join("clang");
1135 cmd.arg("--run-clang-based-tests-with").arg(clang_exe);
1138 // Get paths from cmd args
1139 let paths = match &builder.config.cmd {
1140 Subcommand::Test { ref paths, .. } => &paths[..],
1144 // Get test-args by striping suite path
1145 let mut test_args: Vec<&str> = paths
1147 .map(|p| match p.strip_prefix(".") {
1151 .filter(|p| p.starts_with(suite_path) && (p.is_dir() || p.is_file()))
1153 // Since test suite paths are themselves directories, if we don't
1154 // specify a directory or file, we'll get an empty string here
1155 // (the result of the test suite directory without its suite prefix).
1156 // Therefore, we need to filter these out, as only the first --test-args
1157 // flag is respected, so providing an empty --test-args conflicts with
1158 // any following it.
1159 match p.strip_prefix(suite_path).ok().and_then(|p| p.to_str()) {
1160 Some(s) if s != "" => Some(s),
1166 test_args.append(&mut builder.config.cmd.test_args());
1168 cmd.args(&test_args);
1170 if builder.is_verbose() {
1171 cmd.arg("--verbose");
1174 if !builder.config.verbose_tests {
1178 let mut llvm_components_passed = false;
1179 let mut copts_passed = false;
1180 if builder.config.llvm_enabled() {
1181 let llvm_config = builder.ensure(native::Llvm { target: builder.config.build });
1182 if !builder.config.dry_run {
1183 let llvm_version = output(Command::new(&llvm_config).arg("--version"));
1184 let llvm_components = output(Command::new(&llvm_config).arg("--components"));
1185 // Remove trailing newline from llvm-config output.
1186 cmd.arg("--llvm-version")
1187 .arg(llvm_version.trim())
1188 .arg("--llvm-components")
1189 .arg(llvm_components.trim());
1190 llvm_components_passed = true;
1192 if !builder.is_rust_llvm(target) {
1193 cmd.arg("--system-llvm");
1196 // Tests that use compiler libraries may inherit the `-lLLVM` link
1197 // requirement, but the `-L` library path is not propagated across
1198 // separate compilations. We can add LLVM's library path to the
1199 // platform-specific environment variable as a workaround.
1200 if !builder.config.dry_run && suite.ends_with("fulldeps") {
1201 let llvm_libdir = output(Command::new(&llvm_config).arg("--libdir"));
1202 add_link_lib_path(vec![llvm_libdir.trim().into()], &mut cmd);
1205 // Only pass correct values for these flags for the `run-make` suite as it
1206 // requires that a C++ compiler was configured which isn't always the case.
1207 if !builder.config.dry_run && matches!(suite, "run-make" | "run-make-fulldeps") {
1208 // The llvm/bin directory contains many useful cross-platform
1209 // tools. Pass the path to run-make tests so they can use them.
1210 let llvm_bin_path = llvm_config
1212 .expect("Expected llvm-config to be contained in directory");
1213 assert!(llvm_bin_path.is_dir());
1214 cmd.arg("--llvm-bin-dir").arg(llvm_bin_path);
1216 // If LLD is available, add it to the PATH
1217 if builder.config.lld_enabled {
1218 let lld_install_root =
1219 builder.ensure(native::Lld { target: builder.config.build });
1221 let lld_bin_path = lld_install_root.join("bin");
1223 let old_path = env::var_os("PATH").unwrap_or_default();
1224 let new_path = env::join_paths(
1225 std::iter::once(lld_bin_path).chain(env::split_paths(&old_path)),
1227 .expect("Could not add LLD bin path to PATH");
1228 cmd.env("PATH", new_path);
1233 // Only pass correct values for these flags for the `run-make` suite as it
1234 // requires that a C++ compiler was configured which isn't always the case.
1235 if !builder.config.dry_run && matches!(suite, "run-make" | "run-make-fulldeps") {
1237 .arg(builder.cc(target))
1239 .arg(builder.cxx(target).unwrap())
1241 .arg(builder.cflags(target, GitRepo::Rustc).join(" "));
1242 copts_passed = true;
1243 if let Some(ar) = builder.ar(target) {
1244 cmd.arg("--ar").arg(ar);
1248 if !llvm_components_passed {
1249 cmd.arg("--llvm-components").arg("");
1252 cmd.arg("--cc").arg("").arg("--cxx").arg("").arg("--cflags").arg("");
1255 if builder.remote_tested(target) {
1256 cmd.arg("--remote-test-client").arg(builder.tool_exe(Tool::RemoteTestClient));
1259 // Running a C compiler on MSVC requires a few env vars to be set, to be
1260 // sure to set them here.
1262 // Note that if we encounter `PATH` we make sure to append to our own `PATH`
1263 // rather than stomp over it.
1264 if target.contains("msvc") {
1265 for &(ref k, ref v) in builder.cc[&target].env() {
1271 cmd.env("RUSTC_BOOTSTRAP", "1");
1272 builder.add_rust_test_threads(&mut cmd);
1274 if builder.config.sanitizers_enabled(target) {
1275 cmd.env("RUSTC_SANITIZER_SUPPORT", "1");
1278 if builder.config.profiler_enabled(target) {
1279 cmd.env("RUSTC_PROFILER_SUPPORT", "1");
1282 let tmp = builder.out.join("tmp");
1283 std::fs::create_dir_all(&tmp).unwrap();
1284 cmd.env("RUST_TEST_TMPDIR", tmp);
1286 cmd.arg("--adb-path").arg("adb");
1287 cmd.arg("--adb-test-dir").arg(ADB_TEST_DIR);
1288 if target.contains("android") {
1289 // Assume that cc for this target comes from the android sysroot
1290 cmd.arg("--android-cross-path")
1291 .arg(builder.cc(target).parent().unwrap().parent().unwrap());
1293 cmd.arg("--android-cross-path").arg("");
1296 if builder.config.cmd.rustfix_coverage() {
1297 cmd.arg("--rustfix-coverage");
1300 cmd.env("BOOTSTRAP_CARGO", &builder.initial_cargo);
1302 builder.ci_env.force_coloring_in_ci(&mut cmd);
1304 builder.info(&format!(
1305 "Check compiletest suite={} mode={} ({} -> {})",
1306 suite, mode, &compiler.host, target
1308 let _time = util::timeit(&builder);
1309 try_run(builder, &mut cmd);
1311 if let Some(compare_mode) = compare_mode {
1312 cmd.arg("--compare-mode").arg(compare_mode);
1313 builder.info(&format!(
1314 "Check compiletest suite={} mode={} compare_mode={} ({} -> {})",
1315 suite, mode, compare_mode, &compiler.host, target
1317 let _time = util::timeit(&builder);
1318 try_run(builder, &mut cmd);
1323 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
1331 impl Step for BookTest {
1333 const ONLY_HOSTS: bool = true;
1335 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1339 /// Runs the documentation tests for a book in `src/doc`.
1341 /// This uses the `rustdoc` that sits next to `compiler`.
1342 fn run(self, builder: &Builder<'_>) {
1343 // External docs are different from local because:
1344 // - Some books need pre-processing by mdbook before being tested.
1345 // - They need to save their state to toolstate.
1346 // - They are only tested on the "checktools" builders.
1348 // The local docs are tested by default, and we don't want to pay the
1349 // cost of building mdbook, so they use `rustdoc --test` directly.
1350 // Also, the unstable book is special because SUMMARY.md is generated,
1351 // so it is easier to just run `rustdoc` on its files.
1352 if self.is_ext_doc {
1353 self.run_ext_doc(builder);
1355 self.run_local_doc(builder);
1361 /// This runs the equivalent of `mdbook test` (via the rustbook wrapper)
1362 /// which in turn runs `rustdoc --test` on each file in the book.
1363 fn run_ext_doc(self, builder: &Builder<'_>) {
1364 let compiler = self.compiler;
1366 builder.ensure(compile::Std { compiler, target: compiler.host });
1368 // mdbook just executes a binary named "rustdoc", so we need to update
1369 // PATH so that it points to our rustdoc.
1370 let mut rustdoc_path = builder.rustdoc(compiler);
1372 let old_path = env::var_os("PATH").unwrap_or_default();
1373 let new_path = env::join_paths(iter::once(rustdoc_path).chain(env::split_paths(&old_path)))
1374 .expect("could not add rustdoc to PATH");
1376 let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);
1377 let path = builder.src.join(&self.path);
1378 rustbook_cmd.env("PATH", new_path).arg("test").arg(path);
1379 builder.add_rust_test_threads(&mut rustbook_cmd);
1380 builder.info(&format!("Testing rustbook {}", self.path.display()));
1381 let _time = util::timeit(&builder);
1382 let toolstate = if try_run(builder, &mut rustbook_cmd) {
1387 builder.save_toolstate(self.name, toolstate);
1390 /// This runs `rustdoc --test` on all `.md` files in the path.
1391 fn run_local_doc(self, builder: &Builder<'_>) {
1392 let compiler = self.compiler;
1394 builder.ensure(compile::Std { compiler, target: compiler.host });
1396 // Do a breadth-first traversal of the `src/doc` directory and just run
1397 // tests for all files that end in `*.md`
1398 let mut stack = vec![builder.src.join(self.path)];
1399 let _time = util::timeit(&builder);
1400 let mut files = Vec::new();
1401 while let Some(p) = stack.pop() {
1403 stack.extend(t!(p.read_dir()).map(|p| t!(p).path()));
1407 if p.extension().and_then(|s| s.to_str()) != Some("md") {
1417 markdown_test(builder, compiler, &file);
1422 macro_rules! test_book {
1423 ($($name:ident, $path:expr, $book_name:expr, default=$default:expr;)+) => {
1425 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1430 impl Step for $name {
1432 const DEFAULT: bool = $default;
1433 const ONLY_HOSTS: bool = true;
1435 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1439 fn make_run(run: RunConfig<'_>) {
1440 run.builder.ensure($name {
1441 compiler: run.builder.compiler(run.builder.top_stage, run.target),
1445 fn run(self, builder: &Builder<'_>) {
1446 builder.ensure(BookTest {
1447 compiler: self.compiler,
1448 path: PathBuf::from($path),
1450 is_ext_doc: !$default,
1459 Nomicon, "src/doc/nomicon", "nomicon", default=false;
1460 Reference, "src/doc/reference", "reference", default=false;
1461 RustdocBook, "src/doc/rustdoc", "rustdoc", default=true;
1462 RustcBook, "src/doc/rustc", "rustc", default=true;
1463 RustByExample, "src/doc/rust-by-example", "rust-by-example", default=false;
1464 EmbeddedBook, "src/doc/embedded-book", "embedded-book", default=false;
1465 TheBook, "src/doc/book", "book", default=false;
1466 UnstableBook, "src/doc/unstable-book", "unstable-book", default=true;
1467 EditionGuide, "src/doc/edition-guide", "edition-guide", default=false;
1470 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1471 pub struct ErrorIndex {
1475 impl Step for ErrorIndex {
1477 const DEFAULT: bool = true;
1478 const ONLY_HOSTS: bool = true;
1480 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1481 run.path("src/tools/error_index_generator")
1484 fn make_run(run: RunConfig<'_>) {
1485 // error_index_generator depends on librustdoc. Use the compiler that
1486 // is normally used to build rustdoc for other tests (like compiletest
1487 // tests in src/test/rustdoc) so that it shares the same artifacts.
1488 let compiler = run.builder.compiler_for(run.builder.top_stage, run.target, run.target);
1489 run.builder.ensure(ErrorIndex { compiler });
1492 /// Runs the error index generator tool to execute the tests located in the error
1495 /// The `error_index_generator` tool lives in `src/tools` and is used to
1496 /// generate a markdown file from the error indexes of the code base which is
1497 /// then passed to `rustdoc --test`.
1498 fn run(self, builder: &Builder<'_>) {
1499 let compiler = self.compiler;
1501 let dir = testdir(builder, compiler.host);
1502 t!(fs::create_dir_all(&dir));
1503 let output = dir.join("error-index.md");
1505 let mut tool = tool::ErrorIndex::command(builder, compiler);
1506 tool.arg("markdown").arg(&output);
1508 // Use the rustdoc that was built by self.compiler. This copy of
1509 // rustdoc is shared with other tests (like compiletest tests in
1510 // src/test/rustdoc). This helps avoid building rustdoc multiple
1512 let rustdoc_compiler = builder.compiler(builder.top_stage, builder.config.build);
1513 builder.info(&format!("Testing error-index stage{}", rustdoc_compiler.stage));
1514 let _time = util::timeit(&builder);
1515 builder.run_quiet(&mut tool);
1516 builder.ensure(compile::Std { compiler: rustdoc_compiler, target: rustdoc_compiler.host });
1517 markdown_test(builder, rustdoc_compiler, &output);
1521 fn markdown_test(builder: &Builder<'_>, compiler: Compiler, markdown: &Path) -> bool {
1522 if let Ok(contents) = fs::read_to_string(markdown) {
1523 if !contents.contains("```") {
1528 builder.info(&format!("doc tests for: {}", markdown.display()));
1529 let mut cmd = builder.rustdoc_cmd(compiler);
1530 builder.add_rust_test_threads(&mut cmd);
1533 cmd.env("RUSTC_BOOTSTRAP", "1");
1535 let test_args = builder.config.cmd.test_args().join(" ");
1536 cmd.arg("--test-args").arg(test_args);
1538 if builder.config.verbose_tests {
1539 try_run(builder, &mut cmd)
1541 try_run_quiet(builder, &mut cmd)
1545 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1546 pub struct RustcGuide;
1548 impl Step for RustcGuide {
1550 const DEFAULT: bool = false;
1551 const ONLY_HOSTS: bool = true;
1553 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1554 run.path("src/doc/rustc-dev-guide")
1557 fn make_run(run: RunConfig<'_>) {
1558 run.builder.ensure(RustcGuide);
1561 fn run(self, builder: &Builder<'_>) {
1562 let src = builder.src.join("src/doc/rustc-dev-guide");
1563 let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);
1564 let toolstate = if try_run(builder, rustbook_cmd.arg("linkcheck").arg(&src)) {
1569 builder.save_toolstate("rustc-dev-guide", toolstate);
1573 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1574 pub struct CrateLibrustc {
1576 target: TargetSelection,
1577 test_kind: TestKind,
1578 krate: Interned<String>,
1581 impl Step for CrateLibrustc {
1583 const DEFAULT: bool = true;
1584 const ONLY_HOSTS: bool = true;
1586 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1587 run.krate("rustc-main")
1590 fn make_run(run: RunConfig<'_>) {
1591 let builder = run.builder;
1592 let compiler = builder.compiler(builder.top_stage, run.build_triple());
1594 for krate in builder.in_tree_crates("rustc-main", Some(run.target)) {
1595 if krate.path.ends_with(&run.path) {
1596 let test_kind = builder.kind.into();
1598 builder.ensure(CrateLibrustc {
1608 fn run(self, builder: &Builder<'_>) {
1609 builder.ensure(Crate {
1610 compiler: self.compiler,
1611 target: self.target,
1613 test_kind: self.test_kind,
1619 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1620 pub struct CrateNotDefault {
1622 target: TargetSelection,
1623 test_kind: TestKind,
1624 krate: &'static str,
1627 impl Step for CrateNotDefault {
1630 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1631 run.path("src/librustc_asan")
1632 .path("src/librustc_lsan")
1633 .path("src/librustc_msan")
1634 .path("src/librustc_tsan")
1637 fn make_run(run: RunConfig<'_>) {
1638 let builder = run.builder;
1639 let compiler = builder.compiler(builder.top_stage, run.build_triple());
1641 let test_kind = builder.kind.into();
1643 builder.ensure(CrateNotDefault {
1647 krate: match run.path {
1648 _ if run.path.ends_with("src/librustc_asan") => "rustc_asan",
1649 _ if run.path.ends_with("src/librustc_lsan") => "rustc_lsan",
1650 _ if run.path.ends_with("src/librustc_msan") => "rustc_msan",
1651 _ if run.path.ends_with("src/librustc_tsan") => "rustc_tsan",
1652 _ => panic!("unexpected path {:?}", run.path),
1657 fn run(self, builder: &Builder<'_>) {
1658 builder.ensure(Crate {
1659 compiler: self.compiler,
1660 target: self.target,
1662 test_kind: self.test_kind,
1663 krate: INTERNER.intern_str(self.krate),
1668 #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
1670 pub compiler: Compiler,
1671 pub target: TargetSelection,
1673 pub test_kind: TestKind,
1674 pub krate: Interned<String>,
1677 impl Step for Crate {
1679 const DEFAULT: bool = true;
1681 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1685 fn make_run(run: RunConfig<'_>) {
1686 let builder = run.builder;
1687 let compiler = builder.compiler(builder.top_stage, run.build_triple());
1689 let make = |mode: Mode, krate: &CargoCrate| {
1690 let test_kind = builder.kind.into();
1692 builder.ensure(Crate {
1701 for krate in builder.in_tree_crates("test", Some(run.target)) {
1702 if krate.path.ends_with(&run.path) {
1703 make(Mode::Std, krate);
1708 /// Runs all unit tests plus documentation tests for a given crate defined
1709 /// by a `Cargo.toml` (single manifest)
1711 /// This is what runs tests for crates like the standard library, compiler, etc.
1712 /// It essentially is the driver for running `cargo test`.
1714 /// Currently this runs all tests for a DAG by passing a bunch of `-p foo`
1715 /// arguments, and those arguments are discovered from `cargo metadata`.
1716 fn run(self, builder: &Builder<'_>) {
1717 let compiler = self.compiler;
1718 let target = self.target;
1719 let mode = self.mode;
1720 let test_kind = self.test_kind;
1721 let krate = self.krate;
1723 builder.ensure(compile::Std { compiler, target });
1724 builder.ensure(RemoteCopyLibs { compiler, target });
1726 // If we're not doing a full bootstrap but we're testing a stage2
1727 // version of libstd, then what we're actually testing is the libstd
1728 // produced in stage1. Reflect that here by updating the compiler that
1729 // we're working with automatically.
1730 let compiler = builder.compiler_for(compiler.stage, compiler.host, target);
1733 builder.cargo(compiler, mode, SourceType::InTree, target, test_kind.subcommand());
1736 compile::std_cargo(builder, target, compiler.stage, &mut cargo);
1739 builder.ensure(compile::Rustc { compiler, target });
1740 compile::rustc_cargo(builder, &mut cargo, target);
1742 _ => panic!("can only test libraries"),
1745 // Build up the base `cargo test` command.
1747 // Pass in some standard flags then iterate over the graph we've discovered
1748 // in `cargo metadata` with the maps above and figure out what `-p`
1749 // arguments need to get passed.
1750 if test_kind.subcommand() == "test" && !builder.fail_fast {
1751 cargo.arg("--no-fail-fast");
1753 match builder.doc_tests {
1758 cargo.args(&["--lib", "--bins", "--examples", "--tests", "--benches"]);
1763 cargo.arg("-p").arg(krate);
1765 // The tests are going to run with the *target* libraries, so we need to
1766 // ensure that those libraries show up in the LD_LIBRARY_PATH equivalent.
1768 // Note that to run the compiler we need to run with the *host* libraries,
1769 // but our wrapper scripts arrange for that to be the case anyway.
1770 let mut dylib_path = dylib_path();
1771 dylib_path.insert(0, PathBuf::from(&*builder.sysroot_libdir(compiler, target)));
1772 cargo.env(dylib_path_var(), env::join_paths(&dylib_path).unwrap());
1775 cargo.args(&builder.config.cmd.test_args());
1777 if !builder.config.verbose_tests {
1778 cargo.arg("--quiet");
1781 if target.contains("emscripten") {
1783 format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)),
1784 builder.config.nodejs.as_ref().expect("nodejs not configured"),
1786 } else if target.starts_with("wasm32") {
1787 let node = builder.config.nodejs.as_ref().expect("nodejs not configured");
1789 format!("{} {}/src/etc/wasm32-shim.js", node.display(), builder.src.display());
1790 cargo.env(format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)), &runner);
1791 } else if builder.remote_tested(target) {
1793 format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)),
1794 format!("{} run 0", builder.tool_exe(Tool::RemoteTestClient).display()),
1798 builder.info(&format!(
1799 "{} {} stage{} ({} -> {})",
1800 test_kind, krate, compiler.stage, &compiler.host, target
1802 let _time = util::timeit(&builder);
1803 try_run(builder, &mut cargo.into());
1807 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1808 pub struct CrateRustdoc {
1809 host: TargetSelection,
1810 test_kind: TestKind,
1813 impl Step for CrateRustdoc {
1815 const DEFAULT: bool = true;
1816 const ONLY_HOSTS: bool = true;
1818 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1819 run.paths(&["src/librustdoc", "src/tools/rustdoc"])
1822 fn make_run(run: RunConfig<'_>) {
1823 let builder = run.builder;
1825 let test_kind = builder.kind.into();
1827 builder.ensure(CrateRustdoc { host: run.target, test_kind });
1830 fn run(self, builder: &Builder<'_>) {
1831 let test_kind = self.test_kind;
1832 let target = self.host;
1834 // Use the previous stage compiler to reuse the artifacts that are
1835 // created when running compiletest for src/test/rustdoc. If this used
1836 // `compiler`, then it would cause rustdoc to be built *again*, which
1837 // isn't really necessary.
1838 let compiler = builder.compiler_for(builder.top_stage, target, target);
1839 builder.ensure(compile::Rustc { compiler, target });
1841 let mut cargo = tool::prepare_tool_cargo(
1846 test_kind.subcommand(),
1847 "src/tools/rustdoc",
1851 if test_kind.subcommand() == "test" && !builder.fail_fast {
1852 cargo.arg("--no-fail-fast");
1855 cargo.arg("-p").arg("rustdoc:0.0.0");
1858 cargo.args(&builder.config.cmd.test_args());
1860 if self.host.contains("musl") {
1861 cargo.arg("'-Ctarget-feature=-crt-static'");
1864 // This is needed for running doctests on librustdoc. This is a bit of
1865 // an unfortunate interaction with how bootstrap works and how cargo
1866 // sets up the dylib path, and the fact that the doctest (in
1867 // html/markdown.rs) links to rustc-private libs. For stage1, the
1868 // compiler host dylibs (in stage1/lib) are not the same as the target
1869 // dylibs (in stage1/lib/rustlib/...). This is different from a normal
1870 // rust distribution where they are the same.
1872 // On the cargo side, normal tests use `target_process` which handles
1873 // setting up the dylib for a *target* (stage1/lib/rustlib/... in this
1874 // case). However, for doctests it uses `rustdoc_process` which only
1875 // sets up the dylib path for the *host* (stage1/lib), which is the
1878 // It should be considered to just stop running doctests on
1879 // librustdoc. There is only one test, and it doesn't look too
1880 // important. There might be other ways to avoid this, but it seems
1881 // pretty convoluted.
1883 // See also https://github.com/rust-lang/rust/issues/13983 where the
1884 // host vs target dylibs for rustdoc are consistently tricky to deal
1886 let mut dylib_path = dylib_path();
1887 dylib_path.insert(0, PathBuf::from(&*builder.sysroot_libdir(compiler, target)));
1888 cargo.env(dylib_path_var(), env::join_paths(&dylib_path).unwrap());
1890 if !builder.config.verbose_tests {
1891 cargo.arg("--quiet");
1894 builder.info(&format!(
1895 "{} rustdoc stage{} ({} -> {})",
1896 test_kind, compiler.stage, &compiler.host, target
1898 let _time = util::timeit(&builder);
1900 try_run(builder, &mut cargo.into());
1904 /// Some test suites are run inside emulators or on remote devices, and most
1905 /// of our test binaries are linked dynamically which means we need to ship
1906 /// the standard library and such to the emulator ahead of time. This step
1907 /// represents this and is a dependency of all test suites.
1909 /// Most of the time this is a no-op. For some steps such as shipping data to
1910 /// QEMU we have to build our own tools so we've got conditional dependencies
1911 /// on those programs as well. Note that the remote test client is built for
1912 /// the build target (us) and the server is built for the target.
1913 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1914 pub struct RemoteCopyLibs {
1916 target: TargetSelection,
1919 impl Step for RemoteCopyLibs {
1922 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1926 fn run(self, builder: &Builder<'_>) {
1927 let compiler = self.compiler;
1928 let target = self.target;
1929 if !builder.remote_tested(target) {
1933 builder.ensure(compile::Std { compiler, target });
1935 builder.info(&format!("REMOTE copy libs to emulator ({})", target));
1936 t!(fs::create_dir_all(builder.out.join("tmp")));
1939 builder.ensure(tool::RemoteTestServer { compiler: compiler.with_stage(0), target });
1941 // Spawn the emulator and wait for it to come online
1942 let tool = builder.tool_exe(Tool::RemoteTestClient);
1943 let mut cmd = Command::new(&tool);
1944 cmd.arg("spawn-emulator").arg(target.triple).arg(&server).arg(builder.out.join("tmp"));
1945 if let Some(rootfs) = builder.qemu_rootfs(target) {
1948 builder.run(&mut cmd);
1950 // Push all our dylibs to the emulator
1951 for f in t!(builder.sysroot_libdir(compiler, target).read_dir()) {
1953 let name = f.file_name().into_string().unwrap();
1954 if util::is_dylib(&name) {
1955 builder.run(Command::new(&tool).arg("push").arg(f.path()));
1961 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1962 pub struct Distcheck;
1964 impl Step for Distcheck {
1967 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1968 run.path("distcheck")
1971 fn make_run(run: RunConfig<'_>) {
1972 run.builder.ensure(Distcheck);
1975 /// Runs "distcheck", a 'make check' from a tarball
1976 fn run(self, builder: &Builder<'_>) {
1977 builder.info("Distcheck");
1978 let dir = builder.out.join("tmp").join("distcheck");
1979 let _ = fs::remove_dir_all(&dir);
1980 t!(fs::create_dir_all(&dir));
1982 // Guarantee that these are built before we begin running.
1983 builder.ensure(dist::PlainSourceTarball);
1984 builder.ensure(dist::Src);
1986 let mut cmd = Command::new("tar");
1988 .arg(builder.ensure(dist::PlainSourceTarball))
1989 .arg("--strip-components=1")
1991 builder.run(&mut cmd);
1993 Command::new("./configure")
1994 .args(&builder.config.configure_args)
1995 .arg("--enable-vendor")
1999 Command::new(build_helper::make(&builder.config.build.triple))
2004 // Now make sure that rust-src has all of libstd's dependencies
2005 builder.info("Distcheck rust-src");
2006 let dir = builder.out.join("tmp").join("distcheck-src");
2007 let _ = fs::remove_dir_all(&dir);
2008 t!(fs::create_dir_all(&dir));
2010 let mut cmd = Command::new("tar");
2012 .arg(builder.ensure(dist::Src))
2013 .arg("--strip-components=1")
2015 builder.run(&mut cmd);
2017 let toml = dir.join("rust-src/lib/rustlib/src/rust/library/std/Cargo.toml");
2019 Command::new(&builder.initial_cargo)
2020 .arg("generate-lockfile")
2021 .arg("--manifest-path")
2028 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2029 pub struct Bootstrap;
2031 impl Step for Bootstrap {
2033 const DEFAULT: bool = true;
2034 const ONLY_HOSTS: bool = true;
2036 /// Tests the build system itself.
2037 fn run(self, builder: &Builder<'_>) {
2038 let mut cmd = Command::new(&builder.initial_cargo);
2040 .current_dir(builder.src.join("src/bootstrap"))
2041 .env("RUSTFLAGS", "-Cdebuginfo=2")
2042 .env("CARGO_TARGET_DIR", builder.out.join("bootstrap"))
2043 .env("BOOTSTRAP_OUTPUT_DIRECTORY", &builder.config.out)
2044 .env("BOOTSTRAP_INITIAL_CARGO", &builder.config.initial_cargo)
2045 .env("RUSTC_BOOTSTRAP", "1")
2046 .env("RUSTC", &builder.initial_rustc);
2047 if let Some(flags) = option_env!("RUSTFLAGS") {
2048 // Use the same rustc flags for testing as for "normal" compilation,
2049 // so that Cargo doesn’t recompile the entire dependency graph every time:
2050 // https://github.com/rust-lang/rust/issues/49215
2051 cmd.env("RUSTFLAGS", flags);
2053 if !builder.fail_fast {
2054 cmd.arg("--no-fail-fast");
2056 cmd.arg("--").args(&builder.config.cmd.test_args());
2057 // rustbuild tests are racy on directory creation so just run them one at a time.
2058 // Since there's not many this shouldn't be a problem.
2059 cmd.arg("--test-threads=1");
2060 try_run(builder, &mut cmd);
2063 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2064 run.path("src/bootstrap")
2067 fn make_run(run: RunConfig<'_>) {
2068 run.builder.ensure(Bootstrap);
2072 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2073 pub struct TierCheck {
2074 pub compiler: Compiler,
2077 impl Step for TierCheck {
2079 const DEFAULT: bool = true;
2080 const ONLY_HOSTS: bool = true;
2082 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2083 run.path("src/tools/tier-check")
2086 fn make_run(run: RunConfig<'_>) {
2088 run.builder.compiler_for(run.builder.top_stage, run.builder.build.build, run.target);
2089 run.builder.ensure(TierCheck { compiler });
2092 /// Tests the Platform Support page in the rustc book.
2093 fn run(self, builder: &Builder<'_>) {
2094 builder.ensure(compile::Std { compiler: self.compiler, target: self.compiler.host });
2095 let mut cargo = tool::prepare_tool_cargo(
2101 "src/tools/tier-check",
2105 cargo.arg(builder.src.join("src/doc/rustc/src/platform-support.md"));
2106 cargo.arg(&builder.rustc(self.compiler));
2107 if builder.is_verbose() {
2108 cargo.arg("--verbose");
2111 builder.info("platform support check");
2112 try_run(builder, &mut cargo.into());