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, Stdio};
14 use crate::builder::{Builder, Compiler, Kind, RunConfig, ShouldRun, Step};
15 use crate::cache::Interned;
17 use crate::config::TargetSelection;
19 use crate::flags::Subcommand;
21 use crate::tool::{self, SourceType, Tool};
22 use crate::toolstate::ToolState;
23 use crate::util::{self, add_link_lib_path, dylib_path, dylib_path_var, output, t};
24 use crate::{envify, CLang, DocTests, GitRepo, Mode};
26 const ADB_TEST_DIR: &str = "/data/tmp/work";
28 /// The two modes of the test runner; tests or benchmarks.
29 #[derive(Debug, PartialEq, Eq, Hash, Copy, Clone, PartialOrd, Ord)]
33 /// Run `cargo bench`.
37 impl From<Kind> for TestKind {
38 fn from(kind: Kind) -> Self {
40 Kind::Test => TestKind::Test,
41 Kind::Bench => TestKind::Bench,
42 _ => panic!("unexpected kind in crate: {:?}", kind),
48 // Return the cargo subcommand for this test kind
49 fn subcommand(self) -> &'static str {
51 TestKind::Test => "test",
52 TestKind::Bench => "bench",
57 impl fmt::Display for TestKind {
58 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
59 f.write_str(match *self {
60 TestKind::Test => "Testing",
61 TestKind::Bench => "Benchmarking",
66 fn try_run(builder: &Builder<'_>, cmd: &mut Command) -> bool {
67 if !builder.fail_fast {
68 if !builder.try_run(cmd) {
69 let mut failures = builder.delayed_failures.borrow_mut();
70 failures.push(format!("{:?}", cmd));
79 fn try_run_quiet(builder: &Builder<'_>, cmd: &mut Command) -> bool {
80 if !builder.fail_fast {
81 if !builder.try_run_quiet(cmd) {
82 let mut failures = builder.delayed_failures.borrow_mut();
83 failures.push(format!("{:?}", cmd));
87 builder.run_quiet(cmd);
92 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
93 pub struct Linkcheck {
94 host: TargetSelection,
97 impl Step for Linkcheck {
99 const ONLY_HOSTS: bool = true;
100 const DEFAULT: bool = true;
102 /// Runs the `linkchecker` tool as compiled in `stage` by the `host` compiler.
104 /// This tool in `src/tools` will verify the validity of all our links in the
105 /// documentation to ensure we don't have a bunch of dead ones.
106 fn run(self, builder: &Builder<'_>) {
107 let host = self.host;
108 let hosts = &builder.hosts;
109 let targets = &builder.targets;
111 // if we have different hosts and targets, some things may be built for
112 // the host (e.g. rustc) and others for the target (e.g. std). The
113 // documentation built for each will contain broken links to
114 // docs built for the other platform (e.g. rustc linking to cargo)
115 if (hosts != targets) && !hosts.is_empty() && !targets.is_empty() {
117 "Linkcheck currently does not support builds with different hosts and targets.
118 You can skip linkcheck with --exclude src/tools/linkchecker"
122 builder.info(&format!("Linkcheck ({})", host));
124 // Test the linkchecker itself.
125 let bootstrap_host = builder.config.build;
126 let compiler = builder.compiler(0, bootstrap_host);
127 let cargo = tool::prepare_tool_cargo(
133 "src/tools/linkchecker",
137 try_run(builder, &mut cargo.into());
139 // Build all the default documentation.
140 builder.default_doc(&[]);
142 // Run the linkchecker.
143 let _time = util::timeit(&builder);
146 builder.tool_cmd(Tool::Linkchecker).arg(builder.out.join(host.triple).join("doc")),
150 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
151 let builder = run.builder;
152 let run = run.path("src/tools/linkchecker");
153 run.default_condition(builder.config.docs)
156 fn make_run(run: RunConfig<'_>) {
157 run.builder.ensure(Linkcheck { host: run.target });
161 fn check_if_tidy_is_installed() -> bool {
164 .stdout(Stdio::null())
166 .map_or(false, |status| status.success())
169 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
170 pub struct HtmlCheck {
171 target: TargetSelection,
174 impl Step for HtmlCheck {
176 const DEFAULT: bool = true;
177 const ONLY_HOSTS: bool = true;
179 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
180 let run = run.path("src/tools/html-checker");
181 run.lazy_default_condition(Box::new(check_if_tidy_is_installed))
184 fn make_run(run: RunConfig<'_>) {
185 run.builder.ensure(HtmlCheck { target: run.target });
188 fn run(self, builder: &Builder<'_>) {
189 if !check_if_tidy_is_installed() {
190 eprintln!("not running HTML-check tool because `tidy` is missing");
192 "Note that `tidy` is not the in-tree `src/tools/tidy` but needs to be installed"
194 panic!("Cannot run html-check tests");
196 // Ensure that a few different kinds of documentation are available.
197 builder.default_doc(&[]);
198 builder.ensure(crate::doc::Rustc { target: self.target, stage: builder.top_stage });
200 try_run(builder, builder.tool_cmd(Tool::HtmlChecker).arg(builder.doc_out(self.target)));
204 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
205 pub struct Cargotest {
207 host: TargetSelection,
210 impl Step for Cargotest {
212 const ONLY_HOSTS: bool = true;
214 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
215 run.path("src/tools/cargotest")
218 fn make_run(run: RunConfig<'_>) {
219 run.builder.ensure(Cargotest { stage: run.builder.top_stage, host: run.target });
222 /// Runs the `cargotest` tool as compiled in `stage` by the `host` compiler.
224 /// This tool in `src/tools` will check out a few Rust projects and run `cargo
225 /// test` to ensure that we don't regress the test suites there.
226 fn run(self, builder: &Builder<'_>) {
227 let compiler = builder.compiler(self.stage, self.host);
228 builder.ensure(compile::Rustc::new(compiler, compiler.host));
229 let cargo = builder.ensure(tool::Cargo { compiler, target: compiler.host });
231 // Note that this is a short, cryptic, and not scoped directory name. This
232 // is currently to minimize the length of path on Windows where we otherwise
233 // quickly run into path name limit constraints.
234 let out_dir = builder.out.join("ct");
235 t!(fs::create_dir_all(&out_dir));
237 let _time = util::timeit(&builder);
238 let mut cmd = builder.tool_cmd(Tool::CargoTest);
243 .args(builder.config.cmd.test_args())
244 .env("RUSTC", builder.rustc(compiler))
245 .env("RUSTDOC", builder.rustdoc(compiler)),
250 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
253 host: TargetSelection,
256 impl Step for Cargo {
258 const ONLY_HOSTS: bool = true;
260 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
261 run.path("src/tools/cargo")
264 fn make_run(run: RunConfig<'_>) {
265 run.builder.ensure(Cargo { stage: run.builder.top_stage, host: run.target });
268 /// Runs `cargo test` for `cargo` packaged with Rust.
269 fn run(self, builder: &Builder<'_>) {
270 let compiler = builder.compiler(self.stage, self.host);
272 builder.ensure(tool::Cargo { compiler, target: self.host });
273 let mut cargo = tool::prepare_tool_cargo(
280 SourceType::Submodule,
284 if !builder.fail_fast {
285 cargo.arg("--no-fail-fast");
287 cargo.arg("--").args(builder.config.cmd.test_args());
289 // Don't run cross-compile tests, we may not have cross-compiled libstd libs
291 cargo.env("CFG_DISABLE_CROSS_TESTS", "1");
292 // Forcibly disable tests using nightly features since any changes to
293 // those features won't be able to land.
294 cargo.env("CARGO_TEST_DISABLE_NIGHTLY", "1");
296 cargo.env("PATH", &path_for_cargo(builder, compiler));
298 try_run(builder, &mut cargo.into());
302 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
305 host: TargetSelection,
310 const ONLY_HOSTS: bool = true;
312 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
313 run.path("src/tools/rls")
316 fn make_run(run: RunConfig<'_>) {
317 run.builder.ensure(Rls { stage: run.builder.top_stage, host: run.target });
320 /// Runs `cargo test` for the rls.
321 fn run(self, builder: &Builder<'_>) {
322 let stage = self.stage;
323 let host = self.host;
324 let compiler = builder.compiler(stage, host);
327 builder.ensure(tool::Rls { compiler, target: self.host, extra_features: Vec::new() });
328 if build_result.is_none() {
329 eprintln!("failed to test rls: could not build");
333 let mut cargo = tool::prepare_tool_cargo(
340 SourceType::Submodule,
344 cargo.add_rustc_lib_path(builder, compiler);
345 cargo.arg("--").args(builder.config.cmd.test_args());
347 if try_run(builder, &mut cargo.into()) {
348 builder.save_toolstate("rls", ToolState::TestPass);
353 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
354 pub struct RustAnalyzer {
356 host: TargetSelection,
359 impl Step for RustAnalyzer {
361 const ONLY_HOSTS: bool = true;
362 const DEFAULT: bool = true;
364 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
365 run.path("src/tools/rust-analyzer")
368 fn make_run(run: RunConfig<'_>) {
369 run.builder.ensure(Self { stage: run.builder.top_stage, host: run.target });
372 /// Runs `cargo test` for rust-analyzer
373 fn run(self, builder: &Builder<'_>) {
374 let stage = self.stage;
375 let host = self.host;
376 let compiler = builder.compiler(stage, host);
378 builder.ensure(tool::RustAnalyzer { compiler, target: self.host }).expect("in-tree tool");
380 let workspace_path = "src/tools/rust-analyzer";
381 // until the whole RA test suite runs on `i686`, we only run
382 // `proc-macro-srv` tests
383 let crate_path = "src/tools/rust-analyzer/crates/proc-macro-srv";
384 let mut cargo = tool::prepare_tool_cargo(
392 &["sysroot-abi".to_owned()],
395 let dir = builder.src.join(workspace_path);
396 // needed by rust-analyzer to find its own text fixtures, cf.
397 // https://github.com/rust-analyzer/expect-test/issues/33
398 cargo.env("CARGO_WORKSPACE_DIR", &dir);
400 // RA's test suite tries to write to the source directory, that can't
402 cargo.env("SKIP_SLOW_TESTS", "1");
404 cargo.add_rustc_lib_path(builder, compiler);
405 cargo.arg("--").args(builder.config.cmd.test_args());
407 builder.run(&mut cargo.into());
411 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
414 host: TargetSelection,
417 impl Step for Rustfmt {
419 const ONLY_HOSTS: bool = true;
421 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
422 run.path("src/tools/rustfmt")
425 fn make_run(run: RunConfig<'_>) {
426 run.builder.ensure(Rustfmt { stage: run.builder.top_stage, host: run.target });
429 /// Runs `cargo test` for rustfmt.
430 fn run(self, builder: &Builder<'_>) {
431 let stage = self.stage;
432 let host = self.host;
433 let compiler = builder.compiler(stage, host);
436 .ensure(tool::Rustfmt { compiler, target: self.host, extra_features: Vec::new() })
437 .expect("in-tree tool");
439 let mut cargo = tool::prepare_tool_cargo(
450 let dir = testdir(builder, compiler.host);
451 t!(fs::create_dir_all(&dir));
452 cargo.env("RUSTFMT_TEST_DIR", dir);
454 cargo.add_rustc_lib_path(builder, compiler);
456 builder.run(&mut cargo.into());
460 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
461 pub struct RustDemangler {
463 host: TargetSelection,
466 impl Step for RustDemangler {
468 const ONLY_HOSTS: bool = true;
470 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
471 run.path("src/tools/rust-demangler")
474 fn make_run(run: RunConfig<'_>) {
475 run.builder.ensure(RustDemangler { stage: run.builder.top_stage, host: run.target });
478 /// Runs `cargo test` for rust-demangler.
479 fn run(self, builder: &Builder<'_>) {
480 let stage = self.stage;
481 let host = self.host;
482 let compiler = builder.compiler(stage, host);
484 let rust_demangler = builder
485 .ensure(tool::RustDemangler { compiler, target: self.host, extra_features: Vec::new() })
486 .expect("in-tree tool");
487 let mut cargo = tool::prepare_tool_cargo(
493 "src/tools/rust-demangler",
498 let dir = testdir(builder, compiler.host);
499 t!(fs::create_dir_all(&dir));
501 cargo.env("RUST_DEMANGLER_DRIVER_PATH", rust_demangler);
503 cargo.arg("--").args(builder.config.cmd.test_args());
505 cargo.add_rustc_lib_path(builder, compiler);
507 builder.run(&mut cargo.into());
511 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
514 host: TargetSelection,
519 const ONLY_HOSTS: bool = true;
521 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
522 run.path("src/tools/miri")
525 fn make_run(run: RunConfig<'_>) {
526 run.builder.ensure(Miri { stage: run.builder.top_stage, host: run.target });
529 /// Runs `cargo test` for miri.
530 fn run(self, builder: &Builder<'_>) {
531 let stage = self.stage;
532 let host = self.host;
533 let compiler = builder.compiler(stage, host);
534 // We need the stdlib for the *next* stage, as it was built with this compiler that also built Miri.
535 // Except if we are at stage 2, the bootstrap loop is complete and we can stick with our current stage.
536 let compiler_std = builder.compiler(if stage < 2 { stage + 1 } else { stage }, host);
539 builder.ensure(tool::Miri { compiler, target: self.host, extra_features: Vec::new() });
540 let cargo_miri = builder.ensure(tool::CargoMiri {
543 extra_features: Vec::new(),
545 // The stdlib we need might be at a different stage. And just asking for the
546 // sysroot does not seem to populate it, so we do that first.
547 builder.ensure(compile::Std::new(compiler_std, host));
548 let sysroot = builder.sysroot(compiler_std);
549 if let (Some(miri), Some(_cargo_miri)) = (miri, cargo_miri) {
551 builder.cargo(compiler, Mode::ToolRustc, SourceType::Submodule, host, "install");
553 // Configure `cargo install` path. cargo adds a `bin/`.
554 cargo.env("CARGO_INSTALL_ROOT", &builder.out);
556 let mut cargo = Command::from(cargo);
557 if !try_run(builder, &mut cargo) {
561 // # Run `cargo miri setup`.
562 let mut cargo = tool::prepare_tool_cargo(
568 "src/tools/miri/cargo-miri",
569 SourceType::Submodule,
572 cargo.add_rustc_lib_path(builder, compiler);
573 cargo.arg("--").arg("miri").arg("setup");
575 // Tell `cargo miri setup` where to find the sources.
576 cargo.env("XARGO_RUST_SRC", builder.src.join("library"));
577 // Tell it where to find Miri.
578 cargo.env("MIRI", &miri);
580 cargo.env("RUST_BACKTRACE", "1");
581 // Let cargo-miri know where xargo ended up.
582 cargo.env("XARGO_CHECK", builder.out.join("bin").join("xargo-check"));
584 let mut cargo = Command::from(cargo);
585 if !try_run(builder, &mut cargo) {
589 // # Determine where Miri put its sysroot.
590 // To this end, we run `cargo miri setup --print-sysroot` and capture the output.
591 // (We do this separately from the above so that when the setup actually
592 // happens we get some output.)
593 // We re-use the `cargo` from above.
594 cargo.arg("--print-sysroot");
596 // FIXME: Is there a way in which we can re-use the usual `run` helpers?
597 let miri_sysroot = if builder.config.dry_run {
600 builder.verbose(&format!("running: {:?}", cargo));
603 .expect("We already ran `cargo miri setup` before and that worked");
604 assert!(out.status.success(), "`cargo miri setup` returned with non-0 exit code");
605 // Output is "<sysroot>\n".
606 let stdout = String::from_utf8(out.stdout)
607 .expect("`cargo miri setup` stdout is not valid UTF-8");
608 let sysroot = stdout.trim_end();
609 builder.verbose(&format!("`cargo miri setup --print-sysroot` said: {:?}", sysroot));
613 // # Run `cargo test`.
614 let mut cargo = tool::prepare_tool_cargo(
621 SourceType::Submodule,
624 cargo.add_rustc_lib_path(builder, compiler);
626 // miri tests need to know about the stage sysroot
627 cargo.env("MIRI_SYSROOT", miri_sysroot);
628 cargo.env("MIRI_HOST_SYSROOT", sysroot);
629 cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
630 cargo.env("MIRI", miri);
632 if builder.config.cmd.bless() {
633 cargo.env("MIRI_BLESS", "Gesundheit");
636 cargo.arg("--").args(builder.config.cmd.test_args());
638 let mut cargo = Command::from(cargo);
639 if !try_run(builder, &mut cargo) {
644 builder.save_toolstate("miri", ToolState::TestPass);
646 eprintln!("failed to test miri: could not build");
651 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
652 pub struct CompiletestTest {
653 host: TargetSelection,
656 impl Step for CompiletestTest {
659 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
660 run.path("src/tools/compiletest")
663 fn make_run(run: RunConfig<'_>) {
664 run.builder.ensure(CompiletestTest { host: run.target });
667 /// Runs `cargo test` for compiletest.
668 fn run(self, builder: &Builder<'_>) {
669 let host = self.host;
670 let compiler = builder.compiler(0, host);
672 // We need `ToolStd` for the locally-built sysroot because
673 // compiletest uses unstable features of the `test` crate.
674 builder.ensure(compile::Std::new(compiler, host));
675 let cargo = tool::prepare_tool_cargo(
681 "src/tools/compiletest",
686 try_run(builder, &mut cargo.into());
690 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
693 host: TargetSelection,
696 impl Step for Clippy {
698 const ONLY_HOSTS: bool = true;
699 const DEFAULT: bool = false;
701 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
702 run.path("src/tools/clippy")
705 fn make_run(run: RunConfig<'_>) {
706 run.builder.ensure(Clippy { stage: run.builder.top_stage, host: run.target });
709 /// Runs `cargo test` for clippy.
710 fn run(self, builder: &Builder<'_>) {
711 let stage = self.stage;
712 let host = self.host;
713 let compiler = builder.compiler(stage, host);
716 .ensure(tool::Clippy { compiler, target: self.host, extra_features: Vec::new() })
717 .expect("in-tree tool");
718 let mut cargo = tool::prepare_tool_cargo(
729 cargo.env("RUSTC_TEST_SUITE", builder.rustc(compiler));
730 cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
731 let host_libs = builder.stage_out(compiler, Mode::ToolRustc).join(builder.cargo_dir());
732 cargo.env("HOST_LIBS", host_libs);
734 cargo.arg("--").args(builder.config.cmd.test_args());
736 cargo.add_rustc_lib_path(builder, compiler);
738 if builder.try_run(&mut cargo.into()) {
739 // The tests succeeded; nothing to do.
743 if !builder.config.cmd.bless() {
744 crate::detail_exit(1);
747 let mut cargo = builder.cargo(compiler, Mode::ToolRustc, SourceType::InTree, host, "run");
748 cargo.arg("-p").arg("clippy_dev");
749 // clippy_dev gets confused if it can't find `clippy/Cargo.toml`
750 cargo.current_dir(&builder.src.join("src").join("tools").join("clippy"));
751 if builder.config.rust_optimize {
752 cargo.env("PROFILE", "release");
754 cargo.env("PROFILE", "debug");
758 builder.run(&mut cargo.into());
762 fn path_for_cargo(builder: &Builder<'_>, compiler: Compiler) -> OsString {
763 // Configure PATH to find the right rustc. NB. we have to use PATH
764 // and not RUSTC because the Cargo test suite has tests that will
765 // fail if rustc is not spelled `rustc`.
766 let path = builder.sysroot(compiler).join("bin");
767 let old_path = env::var_os("PATH").unwrap_or_default();
768 env::join_paths(iter::once(path).chain(env::split_paths(&old_path))).expect("")
771 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
772 pub struct RustdocTheme {
773 pub compiler: Compiler,
776 impl Step for RustdocTheme {
778 const DEFAULT: bool = true;
779 const ONLY_HOSTS: bool = true;
781 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
782 run.path("src/tools/rustdoc-themes")
785 fn make_run(run: RunConfig<'_>) {
786 let compiler = run.builder.compiler(run.builder.top_stage, run.target);
788 run.builder.ensure(RustdocTheme { compiler });
791 fn run(self, builder: &Builder<'_>) {
792 let rustdoc = builder.bootstrap_out.join("rustdoc");
793 let mut cmd = builder.tool_cmd(Tool::RustdocTheme);
794 cmd.arg(rustdoc.to_str().unwrap())
795 .arg(builder.src.join("src/librustdoc/html/static/css/themes").to_str().unwrap())
796 .env("RUSTC_STAGE", self.compiler.stage.to_string())
797 .env("RUSTC_SYSROOT", builder.sysroot(self.compiler))
798 .env("RUSTDOC_LIBDIR", builder.sysroot_libdir(self.compiler, self.compiler.host))
799 .env("CFG_RELEASE_CHANNEL", &builder.config.channel)
800 .env("RUSTDOC_REAL", builder.rustdoc(self.compiler))
801 .env("RUSTC_BOOTSTRAP", "1");
802 if let Some(linker) = builder.linker(self.compiler.host) {
803 cmd.env("RUSTDOC_LINKER", linker);
805 if builder.is_fuse_ld_lld(self.compiler.host) {
806 cmd.env("RUSTDOC_FUSE_LD_LLD", "1");
808 try_run(builder, &mut cmd);
812 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
813 pub struct RustdocJSStd {
814 pub target: TargetSelection,
817 impl Step for RustdocJSStd {
819 const DEFAULT: bool = true;
820 const ONLY_HOSTS: bool = true;
822 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
823 run.suite_path("src/test/rustdoc-js-std")
826 fn make_run(run: RunConfig<'_>) {
827 run.builder.ensure(RustdocJSStd { target: run.target });
830 fn run(self, builder: &Builder<'_>) {
831 if let Some(ref nodejs) = builder.config.nodejs {
832 let mut command = Command::new(nodejs);
834 .arg(builder.src.join("src/tools/rustdoc-js/tester.js"))
837 .arg("--resource-suffix")
838 .arg(&builder.version)
840 .arg(builder.doc_out(self.target))
841 .arg("--test-folder")
842 .arg(builder.src.join("src/test/rustdoc-js-std"));
843 for path in &builder.paths {
845 util::is_valid_test_suite_arg(path, "src/test/rustdoc-js-std", builder)
847 if !p.ends_with(".js") {
848 eprintln!("A non-js file was given: `{}`", path.display());
849 panic!("Cannot run rustdoc-js-std tests");
851 command.arg("--test-file").arg(path);
854 builder.ensure(crate::doc::Std { target: self.target, stage: builder.top_stage });
855 builder.run(&mut command);
857 builder.info("No nodejs found, skipping \"src/test/rustdoc-js-std\" tests");
862 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
863 pub struct RustdocJSNotStd {
864 pub target: TargetSelection,
865 pub compiler: Compiler,
868 impl Step for RustdocJSNotStd {
870 const DEFAULT: bool = true;
871 const ONLY_HOSTS: bool = true;
873 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
874 run.suite_path("src/test/rustdoc-js")
877 fn make_run(run: RunConfig<'_>) {
878 let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
879 run.builder.ensure(RustdocJSNotStd { target: run.target, compiler });
882 fn run(self, builder: &Builder<'_>) {
883 if builder.config.nodejs.is_some() {
884 builder.ensure(Compiletest {
885 compiler: self.compiler,
889 path: "src/test/rustdoc-js",
893 builder.info("No nodejs found, skipping \"src/test/rustdoc-js\" tests");
898 fn get_browser_ui_test_version_inner(npm: &Path, global: bool) -> Option<String> {
899 let mut command = Command::new(&npm);
900 command.arg("list").arg("--parseable").arg("--long").arg("--depth=0");
902 command.arg("--global");
906 .map(|output| String::from_utf8_lossy(&output.stdout).into_owned())
907 .unwrap_or(String::new());
908 lines.lines().find_map(|l| l.split(":browser-ui-test@").skip(1).next()).map(|v| v.to_owned())
911 fn get_browser_ui_test_version(npm: &Path) -> Option<String> {
912 get_browser_ui_test_version_inner(npm, false)
913 .or_else(|| get_browser_ui_test_version_inner(npm, true))
916 fn compare_browser_ui_test_version(installed_version: &str, src: &Path) {
917 match fs::read_to_string(
918 src.join("src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version"),
921 if v.trim() != installed_version {
923 "⚠️ Installed version of browser-ui-test (`{}`) is different than the \
924 one used in the CI (`{}`)",
929 Err(e) => eprintln!("Couldn't find the CI browser-ui-test version: {:?}", e),
933 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
934 pub struct RustdocGUI {
935 pub target: TargetSelection,
936 pub compiler: Compiler,
939 impl Step for RustdocGUI {
941 const DEFAULT: bool = true;
942 const ONLY_HOSTS: bool = true;
944 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
945 let builder = run.builder;
946 let run = run.suite_path("src/test/rustdoc-gui");
947 run.lazy_default_condition(Box::new(move || {
948 builder.config.nodejs.is_some()
953 .map(|p| get_browser_ui_test_version(p).is_some())
958 fn make_run(run: RunConfig<'_>) {
959 let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
960 run.builder.ensure(RustdocGUI { target: run.target, compiler });
963 fn run(self, builder: &Builder<'_>) {
964 let nodejs = builder.config.nodejs.as_ref().expect("nodejs isn't available");
965 let npm = builder.config.npm.as_ref().expect("npm isn't available");
967 builder.ensure(compile::Std::new(self.compiler, self.target));
969 // The goal here is to check if the necessary packages are installed, and if not, we
971 match get_browser_ui_test_version(&npm) {
973 // We also check the version currently used in CI and emit a warning if it's not the
975 compare_browser_ui_test_version(&version, &builder.build.src);
979 "error: rustdoc-gui test suite cannot be run because npm `browser-ui-test` \
980 dependency is missing",
983 "If you want to install the `{0}` dependency, run `npm install {0}`",
986 panic!("Cannot run rustdoc-gui tests");
990 let out_dir = builder.test_out(self.target).join("rustdoc-gui");
992 // We remove existing folder to be sure there won't be artifacts remaining.
993 builder.clear_if_dirty(&out_dir, &builder.rustdoc(self.compiler));
995 let src_path = builder.build.src.join("src/test/rustdoc-gui/src");
996 // We generate docs for the libraries present in the rustdoc-gui's src folder.
997 for entry in src_path.read_dir().expect("read_dir call failed") {
998 if let Ok(entry) = entry {
999 let path = entry.path();
1005 let mut cargo = Command::new(&builder.initial_cargo);
1008 .arg("--target-dir")
1010 .env("RUSTDOC", builder.rustdoc(self.compiler))
1011 .env("RUSTC", builder.rustc(self.compiler))
1013 // FIXME: implement a `// compile-flags` command or similar
1014 // instead of hard-coding this test
1015 if entry.file_name() == "link_to_definition" {
1016 cargo.env("RUSTDOCFLAGS", "-Zunstable-options --generate-link-to-definition");
1018 builder.run(&mut cargo);
1022 // We now run GUI tests.
1023 let mut command = Command::new(&nodejs);
1025 .arg(builder.build.src.join("src/tools/rustdoc-gui/tester.js"))
1027 .arg(&builder.jobs().to_string())
1028 .arg("--doc-folder")
1029 .arg(out_dir.join("doc"))
1030 .arg("--tests-folder")
1031 .arg(builder.build.src.join("src/test/rustdoc-gui"));
1032 for path in &builder.paths {
1033 if let Some(p) = util::is_valid_test_suite_arg(path, "src/test/rustdoc-gui", builder) {
1034 if !p.ends_with(".goml") {
1035 eprintln!("A non-goml file was given: `{}`", path.display());
1036 panic!("Cannot run rustdoc-gui tests");
1038 if let Some(name) = path.file_name().and_then(|f| f.to_str()) {
1039 command.arg("--file").arg(name);
1043 for test_arg in builder.config.cmd.test_args() {
1044 command.arg(test_arg);
1046 builder.run(&mut command);
1050 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1053 impl Step for Tidy {
1055 const DEFAULT: bool = true;
1056 const ONLY_HOSTS: bool = true;
1058 /// Runs the `tidy` tool.
1060 /// This tool in `src/tools` checks up on various bits and pieces of style and
1061 /// otherwise just implements a few lint-like checks that are specific to the
1062 /// compiler itself.
1064 /// Once tidy passes, this step also runs `fmt --check` if tests are being run
1065 /// for the `dev` or `nightly` channels.
1066 fn run(self, builder: &Builder<'_>) {
1067 let mut cmd = builder.tool_cmd(Tool::Tidy);
1068 cmd.arg(&builder.src);
1069 cmd.arg(&builder.initial_cargo);
1070 cmd.arg(&builder.out);
1071 cmd.arg(builder.jobs().to_string());
1072 if builder.is_verbose() {
1073 cmd.arg("--verbose");
1076 builder.info("tidy check");
1077 try_run(builder, &mut cmd);
1079 if builder.config.channel == "dev" || builder.config.channel == "nightly" {
1080 builder.info("fmt check");
1081 if builder.initial_rustfmt().is_none() {
1082 let inferred_rustfmt_dir = builder.config.initial_rustc.parent().unwrap();
1085 error: no `rustfmt` binary found in {PATH}
1086 info: `rust.channel` is currently set to \"{CHAN}\"
1087 help: if you are testing a beta branch, set `rust.channel` to \"beta\" in the `config.toml` file
1088 help: to skip test's attempt to check tidiness, pass `--exclude src/tools/tidy` to `x.py test`",
1089 PATH = inferred_rustfmt_dir.display(),
1090 CHAN = builder.config.channel,
1092 crate::detail_exit(1);
1094 crate::format::format(&builder, !builder.config.cmd.bless(), &[]);
1098 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1099 run.path("src/tools/tidy")
1102 fn make_run(run: RunConfig<'_>) {
1103 run.builder.ensure(Tidy);
1107 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1108 pub struct ExpandYamlAnchors;
1110 impl Step for ExpandYamlAnchors {
1112 const ONLY_HOSTS: bool = true;
1114 /// Ensure the `generate-ci-config` tool was run locally.
1116 /// The tool in `src/tools` reads the CI definition in `src/ci/builders.yml` and generates the
1117 /// appropriate configuration for all our CI providers. This step ensures the tool was called
1118 /// by the user before committing CI changes.
1119 fn run(self, builder: &Builder<'_>) {
1120 builder.info("Ensuring the YAML anchors in the GitHub Actions config were expanded");
1123 &mut builder.tool_cmd(Tool::ExpandYamlAnchors).arg("check").arg(&builder.src),
1127 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1128 run.path("src/tools/expand-yaml-anchors")
1131 fn make_run(run: RunConfig<'_>) {
1132 run.builder.ensure(ExpandYamlAnchors);
1136 fn testdir(builder: &Builder<'_>, host: TargetSelection) -> PathBuf {
1137 builder.out.join(host.triple).join("test")
1140 macro_rules! default_test {
1141 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr }) => {
1142 test!($name { path: $path, mode: $mode, suite: $suite, default: true, host: false });
1146 macro_rules! default_test_with_compare_mode {
1147 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr,
1148 compare_mode: $compare_mode:expr }) => {
1149 test_with_compare_mode!($name {
1155 compare_mode: $compare_mode
1160 macro_rules! host_test {
1161 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr }) => {
1162 test!($name { path: $path, mode: $mode, suite: $suite, default: true, host: true });
1167 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr, default: $default:expr,
1168 host: $host:expr }) => {
1169 test_definitions!($name {
1180 macro_rules! test_with_compare_mode {
1181 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr, default: $default:expr,
1182 host: $host:expr, compare_mode: $compare_mode:expr }) => {
1183 test_definitions!($name {
1189 compare_mode: Some($compare_mode)
1194 macro_rules! test_definitions {
1199 default: $default:expr,
1201 compare_mode: $compare_mode:expr
1203 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1205 pub compiler: Compiler,
1206 pub target: TargetSelection,
1209 impl Step for $name {
1211 const DEFAULT: bool = $default;
1212 const ONLY_HOSTS: bool = $host;
1214 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1215 run.suite_path($path)
1218 fn make_run(run: RunConfig<'_>) {
1219 let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
1221 run.builder.ensure($name { compiler, target: run.target });
1224 fn run(self, builder: &Builder<'_>) {
1225 builder.ensure(Compiletest {
1226 compiler: self.compiler,
1227 target: self.target,
1231 compare_mode: $compare_mode,
1238 default_test!(Ui { path: "src/test/ui", mode: "ui", suite: "ui" });
1240 default_test!(RunPassValgrind {
1241 path: "src/test/run-pass-valgrind",
1242 mode: "run-pass-valgrind",
1243 suite: "run-pass-valgrind"
1246 default_test!(MirOpt { path: "src/test/mir-opt", mode: "mir-opt", suite: "mir-opt" });
1248 default_test!(Codegen { path: "src/test/codegen", mode: "codegen", suite: "codegen" });
1250 default_test!(CodegenUnits {
1251 path: "src/test/codegen-units",
1252 mode: "codegen-units",
1253 suite: "codegen-units"
1256 default_test!(Incremental {
1257 path: "src/test/incremental",
1258 mode: "incremental",
1259 suite: "incremental"
1262 default_test_with_compare_mode!(Debuginfo {
1263 path: "src/test/debuginfo",
1266 compare_mode: "split-dwarf"
1269 host_test!(UiFullDeps { path: "src/test/ui-fulldeps", mode: "ui", suite: "ui-fulldeps" });
1271 host_test!(Rustdoc { path: "src/test/rustdoc", mode: "rustdoc", suite: "rustdoc" });
1272 host_test!(RustdocUi { path: "src/test/rustdoc-ui", mode: "ui", suite: "rustdoc-ui" });
1274 host_test!(RustdocJson {
1275 path: "src/test/rustdoc-json",
1276 mode: "rustdoc-json",
1277 suite: "rustdoc-json"
1280 host_test!(Pretty { path: "src/test/pretty", mode: "pretty", suite: "pretty" });
1282 default_test!(RunMake { path: "src/test/run-make", mode: "run-make", suite: "run-make" });
1284 host_test!(RunMakeFullDeps {
1285 path: "src/test/run-make-fulldeps",
1287 suite: "run-make-fulldeps"
1290 default_test!(Assembly { path: "src/test/assembly", mode: "assembly", suite: "assembly" });
1292 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1293 struct Compiletest {
1295 target: TargetSelection,
1297 suite: &'static str,
1299 compare_mode: Option<&'static str>,
1302 impl Step for Compiletest {
1305 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1309 /// Executes the `compiletest` tool to run a suite of tests.
1311 /// Compiles all tests with `compiler` for `target` with the specified
1312 /// compiletest `mode` and `suite` arguments. For example `mode` can be
1313 /// "run-pass" or `suite` can be something like `debuginfo`.
1314 fn run(self, builder: &Builder<'_>) {
1315 if builder.top_stage == 0 && env::var("COMPILETEST_FORCE_STAGE0").is_err() {
1317 error: `--stage 0` runs compiletest on the beta compiler, not your local changes, and will almost always cause tests to fail
1318 help: to test the compiler, use `--stage 1` instead
1319 help: to test the standard library, use `--stage 0 library/std` instead
1320 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`."
1322 crate::detail_exit(1);
1325 let compiler = self.compiler;
1326 let target = self.target;
1327 let mode = self.mode;
1328 let suite = self.suite;
1330 // Path for test suite
1331 let suite_path = self.path;
1333 // Skip codegen tests if they aren't enabled in configuration.
1334 if !builder.config.codegen_tests && suite == "codegen" {
1338 if suite == "debuginfo" {
1340 .ensure(dist::DebuggerScripts { sysroot: builder.sysroot(compiler), host: target });
1343 if suite.ends_with("fulldeps") {
1344 builder.ensure(compile::Rustc::new(compiler, target));
1347 builder.ensure(compile::Std::new(compiler, target));
1348 // ensure that `libproc_macro` is available on the host.
1349 builder.ensure(compile::Std::new(compiler, compiler.host));
1351 // Also provide `rust_test_helpers` for the host.
1352 builder.ensure(native::TestHelpers { target: compiler.host });
1354 // As well as the target, except for plain wasm32, which can't build it
1355 if !target.contains("wasm") || target.contains("emscripten") {
1356 builder.ensure(native::TestHelpers { target });
1359 builder.ensure(RemoteCopyLibs { compiler, target });
1361 let mut cmd = builder.tool_cmd(Tool::Compiletest);
1363 // compiletest currently has... a lot of arguments, so let's just pass all
1366 cmd.arg("--compile-lib-path").arg(builder.rustc_libdir(compiler));
1367 cmd.arg("--run-lib-path").arg(builder.sysroot_libdir(compiler, target));
1368 cmd.arg("--rustc-path").arg(builder.rustc(compiler));
1370 let is_rustdoc = suite.ends_with("rustdoc-ui") || suite.ends_with("rustdoc-js");
1372 // Avoid depending on rustdoc when we don't need it.
1373 if mode == "rustdoc"
1374 || mode == "run-make"
1375 || (mode == "ui" && is_rustdoc)
1376 || mode == "js-doc-test"
1377 || mode == "rustdoc-json"
1379 cmd.arg("--rustdoc-path").arg(builder.rustdoc(compiler));
1382 if mode == "rustdoc-json" {
1383 // Use the beta compiler for jsondocck
1384 let json_compiler = compiler.with_stage(0);
1385 cmd.arg("--jsondocck-path")
1386 .arg(builder.ensure(tool::JsonDocCk { compiler: json_compiler, target }));
1389 if mode == "run-make" {
1390 let rust_demangler = builder
1391 .ensure(tool::RustDemangler {
1393 target: compiler.host,
1394 extra_features: Vec::new(),
1396 .expect("in-tree tool");
1397 cmd.arg("--rust-demangler-path").arg(rust_demangler);
1400 cmd.arg("--src-base").arg(builder.src.join("src/test").join(suite));
1401 cmd.arg("--build-base").arg(testdir(builder, compiler.host).join(suite));
1402 cmd.arg("--stage-id").arg(format!("stage{}-{}", compiler.stage, target));
1403 cmd.arg("--suite").arg(suite);
1404 cmd.arg("--mode").arg(mode);
1405 cmd.arg("--target").arg(target.rustc_target_arg());
1406 cmd.arg("--host").arg(&*compiler.host.triple);
1407 cmd.arg("--llvm-filecheck").arg(builder.llvm_filecheck(builder.config.build));
1409 if builder.config.cmd.bless() {
1413 if builder.config.cmd.force_rerun() {
1414 cmd.arg("--force-rerun");
1418 builder.config.cmd.compare_mode().or_else(|| {
1419 if builder.config.test_compare_mode { self.compare_mode } else { None }
1422 if let Some(ref pass) = builder.config.cmd.pass() {
1427 if let Some(ref run) = builder.config.cmd.run() {
1432 if let Some(ref nodejs) = builder.config.nodejs {
1433 cmd.arg("--nodejs").arg(nodejs);
1435 if let Some(ref npm) = builder.config.npm {
1436 cmd.arg("--npm").arg(npm);
1438 if builder.config.rust_optimize_tests {
1439 cmd.arg("--optimize-tests");
1441 let mut flags = if is_rustdoc { Vec::new() } else { vec!["-Crpath".to_string()] };
1442 flags.push(format!("-Cdebuginfo={}", builder.config.rust_debuginfo_level_tests));
1443 flags.push(builder.config.cmd.rustc_args().join(" "));
1445 if let Some(linker) = builder.linker(target) {
1446 cmd.arg("--linker").arg(linker);
1449 let mut hostflags = flags.clone();
1450 hostflags.push(format!("-Lnative={}", builder.test_helpers_out(compiler.host).display()));
1451 hostflags.extend(builder.lld_flags(compiler.host));
1452 cmd.arg("--host-rustcflags").arg(hostflags.join(" "));
1454 let mut targetflags = flags;
1455 targetflags.push(format!("-Lnative={}", builder.test_helpers_out(target).display()));
1456 targetflags.extend(builder.lld_flags(target));
1457 cmd.arg("--target-rustcflags").arg(targetflags.join(" "));
1459 cmd.arg("--python").arg(builder.python());
1461 if let Some(ref gdb) = builder.config.gdb {
1462 cmd.arg("--gdb").arg(gdb);
1465 let run = |cmd: &mut Command| {
1466 cmd.output().map(|output| {
1467 String::from_utf8_lossy(&output.stdout)
1470 .unwrap_or_else(|| panic!("{:?} failed {:?}", cmd, output))
1474 let lldb_exe = "lldb";
1475 let lldb_version = Command::new(lldb_exe)
1478 .map(|output| String::from_utf8_lossy(&output.stdout).to_string())
1480 if let Some(ref vers) = lldb_version {
1481 cmd.arg("--lldb-version").arg(vers);
1482 let lldb_python_dir = run(Command::new(lldb_exe).arg("-P")).ok();
1483 if let Some(ref dir) = lldb_python_dir {
1484 cmd.arg("--lldb-python-dir").arg(dir);
1488 if util::forcing_clang_based_tests() {
1489 let clang_exe = builder.llvm_out(target).join("bin").join("clang");
1490 cmd.arg("--run-clang-based-tests-with").arg(clang_exe);
1493 for exclude in &builder.config.exclude {
1495 cmd.arg(&exclude.path);
1498 // Get paths from cmd args
1499 let paths = match &builder.config.cmd {
1500 Subcommand::Test { ref paths, .. } => &paths[..],
1504 // Get test-args by striping suite path
1505 let mut test_args: Vec<&str> = paths
1507 .filter_map(|p| util::is_valid_test_suite_arg(p, suite_path, builder))
1510 test_args.append(&mut builder.config.cmd.test_args());
1512 cmd.args(&test_args);
1514 if builder.is_verbose() {
1515 cmd.arg("--verbose");
1518 if !builder.config.verbose_tests {
1522 let mut llvm_components_passed = false;
1523 let mut copts_passed = false;
1524 if builder.config.llvm_enabled() {
1525 let llvm_config = builder.ensure(native::Llvm { target: builder.config.build });
1526 if !builder.config.dry_run {
1527 let llvm_version = output(Command::new(&llvm_config).arg("--version"));
1528 let llvm_components = output(Command::new(&llvm_config).arg("--components"));
1529 // Remove trailing newline from llvm-config output.
1530 cmd.arg("--llvm-version")
1531 .arg(llvm_version.trim())
1532 .arg("--llvm-components")
1533 .arg(llvm_components.trim());
1534 llvm_components_passed = true;
1536 if !builder.is_rust_llvm(target) {
1537 cmd.arg("--system-llvm");
1540 // Tests that use compiler libraries may inherit the `-lLLVM` link
1541 // requirement, but the `-L` library path is not propagated across
1542 // separate compilations. We can add LLVM's library path to the
1543 // platform-specific environment variable as a workaround.
1544 if !builder.config.dry_run && suite.ends_with("fulldeps") {
1545 let llvm_libdir = output(Command::new(&llvm_config).arg("--libdir"));
1546 add_link_lib_path(vec![llvm_libdir.trim().into()], &mut cmd);
1549 // Only pass correct values for these flags for the `run-make` suite as it
1550 // requires that a C++ compiler was configured which isn't always the case.
1551 if !builder.config.dry_run && matches!(suite, "run-make" | "run-make-fulldeps") {
1552 // The llvm/bin directory contains many useful cross-platform
1553 // tools. Pass the path to run-make tests so they can use them.
1554 let llvm_bin_path = llvm_config
1556 .expect("Expected llvm-config to be contained in directory");
1557 assert!(llvm_bin_path.is_dir());
1558 cmd.arg("--llvm-bin-dir").arg(llvm_bin_path);
1560 // If LLD is available, add it to the PATH
1561 if builder.config.lld_enabled {
1562 let lld_install_root =
1563 builder.ensure(native::Lld { target: builder.config.build });
1565 let lld_bin_path = lld_install_root.join("bin");
1567 let old_path = env::var_os("PATH").unwrap_or_default();
1568 let new_path = env::join_paths(
1569 std::iter::once(lld_bin_path).chain(env::split_paths(&old_path)),
1571 .expect("Could not add LLD bin path to PATH");
1572 cmd.env("PATH", new_path);
1577 // Only pass correct values for these flags for the `run-make` suite as it
1578 // requires that a C++ compiler was configured which isn't always the case.
1579 if !builder.config.dry_run && matches!(suite, "run-make" | "run-make-fulldeps") {
1581 .arg(builder.cc(target))
1583 .arg(builder.cxx(target).unwrap())
1585 .arg(builder.cflags(target, GitRepo::Rustc, CLang::C).join(" "))
1587 .arg(builder.cflags(target, GitRepo::Rustc, CLang::Cxx).join(" "));
1588 copts_passed = true;
1589 if let Some(ar) = builder.ar(target) {
1590 cmd.arg("--ar").arg(ar);
1594 if !llvm_components_passed {
1595 cmd.arg("--llvm-components").arg("");
1608 if builder.remote_tested(target) {
1609 cmd.arg("--remote-test-client").arg(builder.tool_exe(Tool::RemoteTestClient));
1612 // Running a C compiler on MSVC requires a few env vars to be set, to be
1613 // sure to set them here.
1615 // Note that if we encounter `PATH` we make sure to append to our own `PATH`
1616 // rather than stomp over it.
1617 if target.contains("msvc") {
1618 for &(ref k, ref v) in builder.cc[&target].env() {
1624 cmd.env("RUSTC_BOOTSTRAP", "1");
1625 // Override the rustc version used in symbol hashes to reduce the amount of normalization
1626 // needed when diffing test output.
1627 cmd.env("RUSTC_FORCE_RUSTC_VERSION", "compiletest");
1628 cmd.env("DOC_RUST_LANG_ORG_CHANNEL", builder.doc_rust_lang_org_channel());
1629 builder.add_rust_test_threads(&mut cmd);
1631 if builder.config.sanitizers_enabled(target) {
1632 cmd.env("RUSTC_SANITIZER_SUPPORT", "1");
1635 if builder.config.profiler_enabled(target) {
1636 cmd.env("RUSTC_PROFILER_SUPPORT", "1");
1639 cmd.env("RUST_TEST_TMPDIR", builder.tempdir());
1641 cmd.arg("--adb-path").arg("adb");
1642 cmd.arg("--adb-test-dir").arg(ADB_TEST_DIR);
1643 if target.contains("android") {
1644 // Assume that cc for this target comes from the android sysroot
1645 cmd.arg("--android-cross-path")
1646 .arg(builder.cc(target).parent().unwrap().parent().unwrap());
1648 cmd.arg("--android-cross-path").arg("");
1651 if builder.config.cmd.rustfix_coverage() {
1652 cmd.arg("--rustfix-coverage");
1655 cmd.env("BOOTSTRAP_CARGO", &builder.initial_cargo);
1657 cmd.arg("--channel").arg(&builder.config.channel);
1659 builder.ci_env.force_coloring_in_ci(&mut cmd);
1661 builder.info(&format!(
1662 "Check compiletest suite={} mode={} ({} -> {})",
1663 suite, mode, &compiler.host, target
1665 let _time = util::timeit(&builder);
1666 try_run(builder, &mut cmd);
1668 if let Some(compare_mode) = compare_mode {
1669 cmd.arg("--compare-mode").arg(compare_mode);
1670 builder.info(&format!(
1671 "Check compiletest suite={} mode={} compare_mode={} ({} -> {})",
1672 suite, mode, compare_mode, &compiler.host, target
1674 let _time = util::timeit(&builder);
1675 try_run(builder, &mut cmd);
1680 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
1688 impl Step for BookTest {
1690 const ONLY_HOSTS: bool = true;
1692 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1696 /// Runs the documentation tests for a book in `src/doc`.
1698 /// This uses the `rustdoc` that sits next to `compiler`.
1699 fn run(self, builder: &Builder<'_>) {
1700 // External docs are different from local because:
1701 // - Some books need pre-processing by mdbook before being tested.
1702 // - They need to save their state to toolstate.
1703 // - They are only tested on the "checktools" builders.
1705 // The local docs are tested by default, and we don't want to pay the
1706 // cost of building mdbook, so they use `rustdoc --test` directly.
1707 // Also, the unstable book is special because SUMMARY.md is generated,
1708 // so it is easier to just run `rustdoc` on its files.
1709 if self.is_ext_doc {
1710 self.run_ext_doc(builder);
1712 self.run_local_doc(builder);
1718 /// This runs the equivalent of `mdbook test` (via the rustbook wrapper)
1719 /// which in turn runs `rustdoc --test` on each file in the book.
1720 fn run_ext_doc(self, builder: &Builder<'_>) {
1721 let compiler = self.compiler;
1723 builder.ensure(compile::Std::new(compiler, compiler.host));
1725 // mdbook just executes a binary named "rustdoc", so we need to update
1726 // PATH so that it points to our rustdoc.
1727 let mut rustdoc_path = builder.rustdoc(compiler);
1729 let old_path = env::var_os("PATH").unwrap_or_default();
1730 let new_path = env::join_paths(iter::once(rustdoc_path).chain(env::split_paths(&old_path)))
1731 .expect("could not add rustdoc to PATH");
1733 let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);
1734 let path = builder.src.join(&self.path);
1735 rustbook_cmd.env("PATH", new_path).arg("test").arg(path);
1736 builder.add_rust_test_threads(&mut rustbook_cmd);
1737 builder.info(&format!("Testing rustbook {}", self.path.display()));
1738 let _time = util::timeit(&builder);
1739 let toolstate = if try_run(builder, &mut rustbook_cmd) {
1744 builder.save_toolstate(self.name, toolstate);
1747 /// This runs `rustdoc --test` on all `.md` files in the path.
1748 fn run_local_doc(self, builder: &Builder<'_>) {
1749 let compiler = self.compiler;
1751 builder.ensure(compile::Std::new(compiler, compiler.host));
1753 // Do a breadth-first traversal of the `src/doc` directory and just run
1754 // tests for all files that end in `*.md`
1755 let mut stack = vec![builder.src.join(self.path)];
1756 let _time = util::timeit(&builder);
1757 let mut files = Vec::new();
1758 while let Some(p) = stack.pop() {
1760 stack.extend(t!(p.read_dir()).map(|p| t!(p).path()));
1764 if p.extension().and_then(|s| s.to_str()) != Some("md") {
1774 markdown_test(builder, compiler, &file);
1779 macro_rules! test_book {
1780 ($($name:ident, $path:expr, $book_name:expr, default=$default:expr;)+) => {
1782 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1787 impl Step for $name {
1789 const DEFAULT: bool = $default;
1790 const ONLY_HOSTS: bool = true;
1792 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1796 fn make_run(run: RunConfig<'_>) {
1797 run.builder.ensure($name {
1798 compiler: run.builder.compiler(run.builder.top_stage, run.target),
1802 fn run(self, builder: &Builder<'_>) {
1803 builder.ensure(BookTest {
1804 compiler: self.compiler,
1805 path: PathBuf::from($path),
1807 is_ext_doc: !$default,
1816 Nomicon, "src/doc/nomicon", "nomicon", default=false;
1817 Reference, "src/doc/reference", "reference", default=false;
1818 RustdocBook, "src/doc/rustdoc", "rustdoc", default=true;
1819 RustcBook, "src/doc/rustc", "rustc", default=true;
1820 RustByExample, "src/doc/rust-by-example", "rust-by-example", default=false;
1821 EmbeddedBook, "src/doc/embedded-book", "embedded-book", default=false;
1822 TheBook, "src/doc/book", "book", default=false;
1823 UnstableBook, "src/doc/unstable-book", "unstable-book", default=true;
1824 EditionGuide, "src/doc/edition-guide", "edition-guide", default=false;
1827 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1828 pub struct ErrorIndex {
1832 impl Step for ErrorIndex {
1834 const DEFAULT: bool = true;
1835 const ONLY_HOSTS: bool = true;
1837 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1838 run.path("src/tools/error_index_generator")
1841 fn make_run(run: RunConfig<'_>) {
1842 // error_index_generator depends on librustdoc. Use the compiler that
1843 // is normally used to build rustdoc for other tests (like compiletest
1844 // tests in src/test/rustdoc) so that it shares the same artifacts.
1845 let compiler = run.builder.compiler(run.builder.top_stage, run.builder.config.build);
1846 run.builder.ensure(ErrorIndex { compiler });
1849 /// Runs the error index generator tool to execute the tests located in the error
1852 /// The `error_index_generator` tool lives in `src/tools` and is used to
1853 /// generate a markdown file from the error indexes of the code base which is
1854 /// then passed to `rustdoc --test`.
1855 fn run(self, builder: &Builder<'_>) {
1856 let compiler = self.compiler;
1858 let dir = testdir(builder, compiler.host);
1859 t!(fs::create_dir_all(&dir));
1860 let output = dir.join("error-index.md");
1862 let mut tool = tool::ErrorIndex::command(builder);
1863 tool.arg("markdown").arg(&output);
1865 builder.info(&format!("Testing error-index stage{}", compiler.stage));
1866 let _time = util::timeit(&builder);
1867 builder.run_quiet(&mut tool);
1868 // The tests themselves need to link to std, so make sure it is
1870 builder.ensure(compile::Std::new(compiler, compiler.host));
1871 markdown_test(builder, compiler, &output);
1875 fn markdown_test(builder: &Builder<'_>, compiler: Compiler, markdown: &Path) -> bool {
1876 if let Ok(contents) = fs::read_to_string(markdown) {
1877 if !contents.contains("```") {
1882 builder.info(&format!("doc tests for: {}", markdown.display()));
1883 let mut cmd = builder.rustdoc_cmd(compiler);
1884 builder.add_rust_test_threads(&mut cmd);
1885 // allow for unstable options such as new editions
1887 cmd.arg("unstable-options");
1890 cmd.env("RUSTC_BOOTSTRAP", "1");
1892 let test_args = builder.config.cmd.test_args().join(" ");
1893 cmd.arg("--test-args").arg(test_args);
1895 if builder.config.verbose_tests {
1896 try_run(builder, &mut cmd)
1898 try_run_quiet(builder, &mut cmd)
1902 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1903 pub struct RustcGuide;
1905 impl Step for RustcGuide {
1907 const DEFAULT: bool = false;
1908 const ONLY_HOSTS: bool = true;
1910 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1911 run.path("src/doc/rustc-dev-guide")
1914 fn make_run(run: RunConfig<'_>) {
1915 run.builder.ensure(RustcGuide);
1918 fn run(self, builder: &Builder<'_>) {
1919 let relative_path = Path::new("src").join("doc").join("rustc-dev-guide");
1920 builder.update_submodule(&relative_path);
1922 let src = builder.src.join(relative_path);
1923 let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);
1924 let toolstate = if try_run(builder, rustbook_cmd.arg("linkcheck").arg(&src)) {
1929 builder.save_toolstate("rustc-dev-guide", toolstate);
1933 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
1934 pub struct CrateLibrustc {
1936 target: TargetSelection,
1937 test_kind: TestKind,
1938 crates: Vec<Interned<String>>,
1941 impl Step for CrateLibrustc {
1943 const DEFAULT: bool = true;
1944 const ONLY_HOSTS: bool = true;
1946 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1947 run.crate_or_deps("rustc-main")
1950 fn make_run(run: RunConfig<'_>) {
1951 let builder = run.builder;
1952 let host = run.build_triple();
1953 let compiler = builder.compiler_for(builder.top_stage, host, host);
1957 .map(|p| builder.crate_paths[&p.assert_single_path().path].clone())
1959 let test_kind = builder.kind.into();
1961 builder.ensure(CrateLibrustc { compiler, target: run.target, test_kind, crates });
1964 fn run(self, builder: &Builder<'_>) {
1965 builder.ensure(Crate {
1966 compiler: self.compiler,
1967 target: self.target,
1969 test_kind: self.test_kind,
1970 crates: self.crates,
1975 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
1977 pub compiler: Compiler,
1978 pub target: TargetSelection,
1980 pub test_kind: TestKind,
1981 pub crates: Vec<Interned<String>>,
1984 impl Step for Crate {
1986 const DEFAULT: bool = true;
1988 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1989 run.crate_or_deps("test")
1992 fn make_run(run: RunConfig<'_>) {
1993 let builder = run.builder;
1994 let host = run.build_triple();
1995 let compiler = builder.compiler_for(builder.top_stage, host, host);
1996 let test_kind = builder.kind.into();
2000 .map(|p| builder.crate_paths[&p.assert_single_path().path].clone())
2003 builder.ensure(Crate { compiler, target: run.target, mode: Mode::Std, test_kind, crates });
2006 /// Runs all unit tests plus documentation tests for a given crate defined
2007 /// by a `Cargo.toml` (single manifest)
2009 /// This is what runs tests for crates like the standard library, compiler, etc.
2010 /// It essentially is the driver for running `cargo test`.
2012 /// Currently this runs all tests for a DAG by passing a bunch of `-p foo`
2013 /// arguments, and those arguments are discovered from `cargo metadata`.
2014 fn run(self, builder: &Builder<'_>) {
2015 let compiler = self.compiler;
2016 let target = self.target;
2017 let mode = self.mode;
2018 let test_kind = self.test_kind;
2020 builder.ensure(compile::Std::new(compiler, target));
2021 builder.ensure(RemoteCopyLibs { compiler, target });
2023 // If we're not doing a full bootstrap but we're testing a stage2
2024 // version of libstd, then what we're actually testing is the libstd
2025 // produced in stage1. Reflect that here by updating the compiler that
2026 // we're working with automatically.
2027 let compiler = builder.compiler_for(compiler.stage, compiler.host, target);
2030 builder.cargo(compiler, mode, SourceType::InTree, target, test_kind.subcommand());
2033 compile::std_cargo(builder, target, compiler.stage, &mut cargo);
2036 compile::rustc_cargo(builder, &mut cargo, target);
2038 _ => panic!("can only test libraries"),
2041 // Build up the base `cargo test` command.
2043 // Pass in some standard flags then iterate over the graph we've discovered
2044 // in `cargo metadata` with the maps above and figure out what `-p`
2045 // arguments need to get passed.
2046 if test_kind.subcommand() == "test" && !builder.fail_fast {
2047 cargo.arg("--no-fail-fast");
2049 match builder.doc_tests {
2054 cargo.args(&["--lib", "--bins", "--examples", "--tests", "--benches"]);
2059 for krate in &self.crates {
2060 cargo.arg("-p").arg(krate);
2063 // The tests are going to run with the *target* libraries, so we need to
2064 // ensure that those libraries show up in the LD_LIBRARY_PATH equivalent.
2066 // Note that to run the compiler we need to run with the *host* libraries,
2067 // but our wrapper scripts arrange for that to be the case anyway.
2068 let mut dylib_path = dylib_path();
2069 dylib_path.insert(0, PathBuf::from(&*builder.sysroot_libdir(compiler, target)));
2070 cargo.env(dylib_path_var(), env::join_paths(&dylib_path).unwrap());
2073 cargo.args(&builder.config.cmd.test_args());
2075 if !builder.config.verbose_tests {
2076 cargo.arg("--quiet");
2079 if target.contains("emscripten") {
2081 format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)),
2082 builder.config.nodejs.as_ref().expect("nodejs not configured"),
2084 } else if target.starts_with("wasm32") {
2085 let node = builder.config.nodejs.as_ref().expect("nodejs not configured");
2087 format!("{} {}/src/etc/wasm32-shim.js", node.display(), builder.src.display());
2088 cargo.env(format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)), &runner);
2089 } else if builder.remote_tested(target) {
2091 format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)),
2092 format!("{} run 0", builder.tool_exe(Tool::RemoteTestClient).display()),
2096 builder.info(&format!(
2097 "{} {:?} stage{} ({} -> {})",
2098 test_kind, self.crates, compiler.stage, &compiler.host, target
2100 let _time = util::timeit(&builder);
2101 try_run(builder, &mut cargo.into());
2105 /// Rustdoc is special in various ways, which is why this step is different from `Crate`.
2106 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2107 pub struct CrateRustdoc {
2108 host: TargetSelection,
2109 test_kind: TestKind,
2112 impl Step for CrateRustdoc {
2114 const DEFAULT: bool = true;
2115 const ONLY_HOSTS: bool = true;
2117 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2118 run.paths(&["src/librustdoc", "src/tools/rustdoc"])
2121 fn make_run(run: RunConfig<'_>) {
2122 let builder = run.builder;
2124 let test_kind = builder.kind.into();
2126 builder.ensure(CrateRustdoc { host: run.target, test_kind });
2129 fn run(self, builder: &Builder<'_>) {
2130 let test_kind = self.test_kind;
2131 let target = self.host;
2133 let compiler = if builder.download_rustc() {
2134 builder.compiler(builder.top_stage, target)
2136 // Use the previous stage compiler to reuse the artifacts that are
2137 // created when running compiletest for src/test/rustdoc. If this used
2138 // `compiler`, then it would cause rustdoc to be built *again*, which
2139 // isn't really necessary.
2140 builder.compiler_for(builder.top_stage, target, target)
2142 builder.ensure(compile::Rustc::new(compiler, target));
2144 let mut cargo = tool::prepare_tool_cargo(
2149 test_kind.subcommand(),
2150 "src/tools/rustdoc",
2154 if test_kind.subcommand() == "test" && !builder.fail_fast {
2155 cargo.arg("--no-fail-fast");
2157 match builder.doc_tests {
2162 cargo.args(&["--lib", "--bins", "--examples", "--tests", "--benches"]);
2167 cargo.arg("-p").arg("rustdoc:0.0.0");
2170 cargo.args(&builder.config.cmd.test_args());
2172 if self.host.contains("musl") {
2173 cargo.arg("'-Ctarget-feature=-crt-static'");
2176 // This is needed for running doctests on librustdoc. This is a bit of
2177 // an unfortunate interaction with how bootstrap works and how cargo
2178 // sets up the dylib path, and the fact that the doctest (in
2179 // html/markdown.rs) links to rustc-private libs. For stage1, the
2180 // compiler host dylibs (in stage1/lib) are not the same as the target
2181 // dylibs (in stage1/lib/rustlib/...). This is different from a normal
2182 // rust distribution where they are the same.
2184 // On the cargo side, normal tests use `target_process` which handles
2185 // setting up the dylib for a *target* (stage1/lib/rustlib/... in this
2186 // case). However, for doctests it uses `rustdoc_process` which only
2187 // sets up the dylib path for the *host* (stage1/lib), which is the
2190 // Recall that we special-cased `compiler_for(top_stage)` above, so we always use stage1.
2192 // It should be considered to just stop running doctests on
2193 // librustdoc. There is only one test, and it doesn't look too
2194 // important. There might be other ways to avoid this, but it seems
2195 // pretty convoluted.
2197 // See also https://github.com/rust-lang/rust/issues/13983 where the
2198 // host vs target dylibs for rustdoc are consistently tricky to deal
2201 // Note that this set the host libdir for `download_rustc`, which uses a normal rust distribution.
2202 let libdir = if builder.download_rustc() {
2203 builder.rustc_libdir(compiler)
2205 builder.sysroot_libdir(compiler, target).to_path_buf()
2207 let mut dylib_path = dylib_path();
2208 dylib_path.insert(0, PathBuf::from(&*libdir));
2209 cargo.env(dylib_path_var(), env::join_paths(&dylib_path).unwrap());
2211 if !builder.config.verbose_tests {
2212 cargo.arg("--quiet");
2215 builder.info(&format!(
2216 "{} rustdoc stage{} ({} -> {})",
2217 test_kind, compiler.stage, &compiler.host, target
2219 let _time = util::timeit(&builder);
2221 try_run(builder, &mut cargo.into());
2225 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2226 pub struct CrateRustdocJsonTypes {
2227 host: TargetSelection,
2228 test_kind: TestKind,
2231 impl Step for CrateRustdocJsonTypes {
2233 const DEFAULT: bool = true;
2234 const ONLY_HOSTS: bool = true;
2236 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2237 run.path("src/rustdoc-json-types")
2240 fn make_run(run: RunConfig<'_>) {
2241 let builder = run.builder;
2243 let test_kind = builder.kind.into();
2245 builder.ensure(CrateRustdocJsonTypes { host: run.target, test_kind });
2248 fn run(self, builder: &Builder<'_>) {
2249 let test_kind = self.test_kind;
2250 let target = self.host;
2252 // Use the previous stage compiler to reuse the artifacts that are
2253 // created when running compiletest for src/test/rustdoc. If this used
2254 // `compiler`, then it would cause rustdoc to be built *again*, which
2255 // isn't really necessary.
2256 let compiler = builder.compiler_for(builder.top_stage, target, target);
2257 builder.ensure(compile::Rustc::new(compiler, target));
2259 let mut cargo = tool::prepare_tool_cargo(
2264 test_kind.subcommand(),
2265 "src/rustdoc-json-types",
2269 if test_kind.subcommand() == "test" && !builder.fail_fast {
2270 cargo.arg("--no-fail-fast");
2273 cargo.arg("-p").arg("rustdoc-json-types");
2276 cargo.args(&builder.config.cmd.test_args());
2278 if self.host.contains("musl") {
2279 cargo.arg("'-Ctarget-feature=-crt-static'");
2282 if !builder.config.verbose_tests {
2283 cargo.arg("--quiet");
2286 builder.info(&format!(
2287 "{} rustdoc-json-types stage{} ({} -> {})",
2288 test_kind, compiler.stage, &compiler.host, target
2290 let _time = util::timeit(&builder);
2292 try_run(builder, &mut cargo.into());
2296 /// Some test suites are run inside emulators or on remote devices, and most
2297 /// of our test binaries are linked dynamically which means we need to ship
2298 /// the standard library and such to the emulator ahead of time. This step
2299 /// represents this and is a dependency of all test suites.
2301 /// Most of the time this is a no-op. For some steps such as shipping data to
2302 /// QEMU we have to build our own tools so we've got conditional dependencies
2303 /// on those programs as well. Note that the remote test client is built for
2304 /// the build target (us) and the server is built for the target.
2305 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2306 pub struct RemoteCopyLibs {
2308 target: TargetSelection,
2311 impl Step for RemoteCopyLibs {
2314 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2318 fn run(self, builder: &Builder<'_>) {
2319 let compiler = self.compiler;
2320 let target = self.target;
2321 if !builder.remote_tested(target) {
2325 builder.ensure(compile::Std::new(compiler, target));
2327 builder.info(&format!("REMOTE copy libs to emulator ({})", target));
2329 let server = builder.ensure(tool::RemoteTestServer { compiler, target });
2331 // Spawn the emulator and wait for it to come online
2332 let tool = builder.tool_exe(Tool::RemoteTestClient);
2333 let mut cmd = Command::new(&tool);
2334 cmd.arg("spawn-emulator").arg(target.triple).arg(&server).arg(builder.tempdir());
2335 if let Some(rootfs) = builder.qemu_rootfs(target) {
2338 builder.run(&mut cmd);
2340 // Push all our dylibs to the emulator
2341 for f in t!(builder.sysroot_libdir(compiler, target).read_dir()) {
2343 let name = f.file_name().into_string().unwrap();
2344 if util::is_dylib(&name) {
2345 builder.run(Command::new(&tool).arg("push").arg(f.path()));
2351 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2352 pub struct Distcheck;
2354 impl Step for Distcheck {
2357 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2358 run.alias("distcheck")
2361 fn make_run(run: RunConfig<'_>) {
2362 run.builder.ensure(Distcheck);
2365 /// Runs "distcheck", a 'make check' from a tarball
2366 fn run(self, builder: &Builder<'_>) {
2367 builder.info("Distcheck");
2368 let dir = builder.tempdir().join("distcheck");
2369 let _ = fs::remove_dir_all(&dir);
2370 t!(fs::create_dir_all(&dir));
2372 // Guarantee that these are built before we begin running.
2373 builder.ensure(dist::PlainSourceTarball);
2374 builder.ensure(dist::Src);
2376 let mut cmd = Command::new("tar");
2378 .arg(builder.ensure(dist::PlainSourceTarball).tarball())
2379 .arg("--strip-components=1")
2381 builder.run(&mut cmd);
2383 Command::new("./configure")
2384 .args(&builder.config.configure_args)
2385 .arg("--enable-vendor")
2389 Command::new(util::make(&builder.config.build.triple)).arg("check").current_dir(&dir),
2392 // Now make sure that rust-src has all of libstd's dependencies
2393 builder.info("Distcheck rust-src");
2394 let dir = builder.tempdir().join("distcheck-src");
2395 let _ = fs::remove_dir_all(&dir);
2396 t!(fs::create_dir_all(&dir));
2398 let mut cmd = Command::new("tar");
2400 .arg(builder.ensure(dist::Src).tarball())
2401 .arg("--strip-components=1")
2403 builder.run(&mut cmd);
2405 let toml = dir.join("rust-src/lib/rustlib/src/rust/library/std/Cargo.toml");
2407 Command::new(&builder.initial_cargo)
2408 .arg("generate-lockfile")
2409 .arg("--manifest-path")
2416 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2417 pub struct Bootstrap;
2419 impl Step for Bootstrap {
2421 const DEFAULT: bool = true;
2422 const ONLY_HOSTS: bool = true;
2424 /// Tests the build system itself.
2425 fn run(self, builder: &Builder<'_>) {
2426 let mut check_bootstrap = Command::new(&builder.python());
2427 check_bootstrap.arg("bootstrap_test.py").current_dir(builder.src.join("src/bootstrap/"));
2428 try_run(builder, &mut check_bootstrap);
2430 let mut cmd = Command::new(&builder.initial_cargo);
2432 .current_dir(builder.src.join("src/bootstrap"))
2433 .env("RUSTFLAGS", "-Cdebuginfo=2")
2434 .env("CARGO_TARGET_DIR", builder.out.join("bootstrap"))
2435 .env("RUSTC_BOOTSTRAP", "1")
2436 .env("RUSTDOC", builder.rustdoc(builder.compiler(0, builder.build.build)))
2437 .env("RUSTC", &builder.initial_rustc);
2438 if let Some(flags) = option_env!("RUSTFLAGS") {
2439 // Use the same rustc flags for testing as for "normal" compilation,
2440 // so that Cargo doesn’t recompile the entire dependency graph every time:
2441 // https://github.com/rust-lang/rust/issues/49215
2442 cmd.env("RUSTFLAGS", flags);
2444 if !builder.fail_fast {
2445 cmd.arg("--no-fail-fast");
2447 match builder.doc_tests {
2452 cmd.args(&["--lib", "--bins", "--examples", "--tests", "--benches"]);
2457 cmd.arg("--").args(&builder.config.cmd.test_args());
2458 // rustbuild tests are racy on directory creation so just run them one at a time.
2459 // Since there's not many this shouldn't be a problem.
2460 cmd.arg("--test-threads=1");
2461 try_run(builder, &mut cmd);
2464 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2465 run.path("src/bootstrap")
2468 fn make_run(run: RunConfig<'_>) {
2469 run.builder.ensure(Bootstrap);
2473 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2474 pub struct TierCheck {
2475 pub compiler: Compiler,
2478 impl Step for TierCheck {
2480 const DEFAULT: bool = true;
2481 const ONLY_HOSTS: bool = true;
2483 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2484 run.path("src/tools/tier-check")
2487 fn make_run(run: RunConfig<'_>) {
2489 run.builder.compiler_for(run.builder.top_stage, run.builder.build.build, run.target);
2490 run.builder.ensure(TierCheck { compiler });
2493 /// Tests the Platform Support page in the rustc book.
2494 fn run(self, builder: &Builder<'_>) {
2495 builder.ensure(compile::Std::new(self.compiler, self.compiler.host));
2496 let mut cargo = tool::prepare_tool_cargo(
2502 "src/tools/tier-check",
2506 cargo.arg(builder.src.join("src/doc/rustc/src/platform-support.md"));
2507 cargo.arg(&builder.rustc(self.compiler));
2508 if builder.is_verbose() {
2509 cargo.arg("--verbose");
2512 builder.info("platform support check");
2513 try_run(builder, &mut cargo.into());
2517 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2518 pub struct LintDocs {
2519 pub compiler: Compiler,
2520 pub target: TargetSelection,
2523 impl Step for LintDocs {
2525 const DEFAULT: bool = true;
2526 const ONLY_HOSTS: bool = true;
2528 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2529 run.path("src/tools/lint-docs")
2532 fn make_run(run: RunConfig<'_>) {
2533 run.builder.ensure(LintDocs {
2534 compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
2539 /// Tests that the lint examples in the rustc book generate the correct
2540 /// lints and have the expected format.
2541 fn run(self, builder: &Builder<'_>) {
2542 builder.ensure(crate::doc::RustcBook {
2543 compiler: self.compiler,
2544 target: self.target,