| // ignore-tidy-filelength |
| |
| use crate::common::CompareMode; |
| use crate::common::{expected_output_path, UI_EXTENSIONS, UI_FIXED, UI_STDERR, UI_STDOUT}; |
| use crate::common::{output_base_dir, output_base_name, output_testname_unique}; |
| use crate::common::{Codegen, CodegenUnits, Rustdoc}; |
| use crate::common::{DebugInfoCdb, DebugInfoGdbLldb, DebugInfoGdb, DebugInfoLldb}; |
| use crate::common::{CompileFail, Pretty, RunFail, RunPass, RunPassValgrind}; |
| use crate::common::{Config, TestPaths}; |
| use crate::common::{Incremental, MirOpt, RunMake, Ui, JsDocTest, Assembly}; |
| use diff; |
| use crate::errors::{self, Error, ErrorKind}; |
| use crate::header::{TestProps, PassMode}; |
| use crate::json; |
| use regex::{Captures, Regex}; |
| use rustfix::{apply_suggestions, get_suggestions_from_json, Filter}; |
| use crate::util::{logv, PathBufExt}; |
| |
| use std::collections::hash_map::DefaultHasher; |
| use std::collections::{HashMap, HashSet, VecDeque}; |
| use std::env; |
| use std::ffi::{OsStr, OsString}; |
| use std::fmt; |
| use std::fs::{self, create_dir_all, File, OpenOptions}; |
| use std::hash::{Hash, Hasher}; |
| use std::io::prelude::*; |
| use std::io::{self, BufReader}; |
| use std::path::{Path, PathBuf}; |
| use std::process::{Child, Command, ExitStatus, Output, Stdio}; |
| use std::str; |
| |
| use lazy_static::lazy_static; |
| use log::*; |
| |
| use crate::extract_gdb_version; |
| use crate::is_android_gdb_target; |
| |
| #[cfg(windows)] |
| fn disable_error_reporting<F: FnOnce() -> R, R>(f: F) -> R { |
| use std::sync::Mutex; |
| const SEM_NOGPFAULTERRORBOX: u32 = 0x0002; |
| extern "system" { |
| fn SetErrorMode(mode: u32) -> u32; |
| } |
| |
| lazy_static! { |
| static ref LOCK: Mutex<()> = { Mutex::new(()) }; |
| } |
| // Error mode is a global variable, so lock it so only one thread will change it |
| let _lock = LOCK.lock().unwrap(); |
| |
| // Tell Windows to not show any UI on errors (such as terminating abnormally). |
| // This is important for running tests, since some of them use abnormal |
| // termination by design. This mode is inherited by all child processes. |
| unsafe { |
| let old_mode = SetErrorMode(SEM_NOGPFAULTERRORBOX); // read inherited flags |
| SetErrorMode(old_mode | SEM_NOGPFAULTERRORBOX); |
| let r = f(); |
| SetErrorMode(old_mode); |
| r |
| } |
| } |
| |
| #[cfg(not(windows))] |
| fn disable_error_reporting<F: FnOnce() -> R, R>(f: F) -> R { |
| f() |
| } |
| |
| /// The name of the environment variable that holds dynamic library locations. |
| pub fn dylib_env_var() -> &'static str { |
| if cfg!(windows) { |
| "PATH" |
| } else if cfg!(target_os = "macos") { |
| "DYLD_LIBRARY_PATH" |
| } else if cfg!(target_os = "haiku") { |
| "LIBRARY_PATH" |
| } else { |
| "LD_LIBRARY_PATH" |
| } |
| } |
| |
| /// The platform-specific library name |
| pub fn get_lib_name(lib: &str, dylib: bool) -> String { |
| // In some casess (e.g. MUSL), we build a static |
| // library, rather than a dynamic library. |
| // In this case, the only path we can pass |
| // with '--extern-meta' is the '.lib' file |
| if !dylib { |
| return format!("lib{}.rlib", lib); |
| } |
| |
| if cfg!(windows) { |
| format!("{}.dll", lib) |
| } else if cfg!(target_os = "macos") { |
| format!("lib{}.dylib", lib) |
| } else { |
| format!("lib{}.so", lib) |
| } |
| } |
| |
| #[derive(Debug, PartialEq)] |
| pub enum DiffLine { |
| Context(String), |
| Expected(String), |
| Resulting(String), |
| } |
| |
| #[derive(Debug, PartialEq)] |
| pub struct Mismatch { |
| pub line_number: u32, |
| pub lines: Vec<DiffLine>, |
| } |
| |
| impl Mismatch { |
| fn new(line_number: u32) -> Mismatch { |
| Mismatch { |
| line_number: line_number, |
| lines: Vec::new(), |
| } |
| } |
| } |
| |
| // Produces a diff between the expected output and actual output. |
| pub fn make_diff(expected: &str, actual: &str, context_size: usize) -> Vec<Mismatch> { |
| let mut line_number = 1; |
| let mut context_queue: VecDeque<&str> = VecDeque::with_capacity(context_size); |
| let mut lines_since_mismatch = context_size + 1; |
| let mut results = Vec::new(); |
| let mut mismatch = Mismatch::new(0); |
| |
| for result in diff::lines(expected, actual) { |
| match result { |
| diff::Result::Left(str) => { |
| if lines_since_mismatch >= context_size && lines_since_mismatch > 0 { |
| results.push(mismatch); |
| mismatch = Mismatch::new(line_number - context_queue.len() as u32); |
| } |
| |
| while let Some(line) = context_queue.pop_front() { |
| mismatch.lines.push(DiffLine::Context(line.to_owned())); |
| } |
| |
| mismatch.lines.push(DiffLine::Expected(str.to_owned())); |
| line_number += 1; |
| lines_since_mismatch = 0; |
| } |
| diff::Result::Right(str) => { |
| if lines_since_mismatch >= context_size && lines_since_mismatch > 0 { |
| results.push(mismatch); |
| mismatch = Mismatch::new(line_number - context_queue.len() as u32); |
| } |
| |
| while let Some(line) = context_queue.pop_front() { |
| mismatch.lines.push(DiffLine::Context(line.to_owned())); |
| } |
| |
| mismatch.lines.push(DiffLine::Resulting(str.to_owned())); |
| lines_since_mismatch = 0; |
| } |
| diff::Result::Both(str, _) => { |
| if context_queue.len() >= context_size { |
| let _ = context_queue.pop_front(); |
| } |
| |
| if lines_since_mismatch < context_size { |
| mismatch.lines.push(DiffLine::Context(str.to_owned())); |
| } else if context_size > 0 { |
| context_queue.push_back(str); |
| } |
| |
| line_number += 1; |
| lines_since_mismatch += 1; |
| } |
| } |
| } |
| |
| results.push(mismatch); |
| results.remove(0); |
| |
| results |
| } |
| |
| pub fn run(config: Config, testpaths: &TestPaths, revision: Option<&str>) { |
| match &*config.target { |
| "arm-linux-androideabi" |
| | "armv7-linux-androideabi" |
| | "thumbv7neon-linux-androideabi" |
| | "aarch64-linux-android" => { |
| if !config.adb_device_status { |
| panic!("android device not available"); |
| } |
| } |
| |
| _ => { |
| // android has its own gdb handling |
| if config.mode == DebugInfoGdb && config.gdb.is_none() { |
| panic!("gdb not available but debuginfo gdb debuginfo test requested"); |
| } |
| } |
| } |
| |
| if config.verbose { |
| // We're going to be dumping a lot of info. Start on a new line. |
| print!("\n\n"); |
| } |
| debug!("running {:?}", testpaths.file.display()); |
| let props = TestProps::from_file(&testpaths.file, revision, &config); |
| |
| let cx = TestCx { |
| config: &config, |
| props: &props, |
| testpaths, |
| revision: revision, |
| }; |
| create_dir_all(&cx.output_base_dir()).unwrap(); |
| |
| if config.mode == Incremental { |
| // Incremental tests are special because they cannot be run in |
| // parallel. |
| assert!( |
| !props.revisions.is_empty(), |
| "Incremental tests require revisions." |
| ); |
| cx.init_incremental_test(); |
| for revision in &props.revisions { |
| let revision_props = TestProps::from_file(&testpaths.file, Some(revision), &config); |
| let rev_cx = TestCx { |
| config: &config, |
| props: &revision_props, |
| testpaths, |
| revision: Some(revision), |
| }; |
| rev_cx.run_revision(); |
| } |
| } else { |
| cx.run_revision(); |
| } |
| |
| cx.create_stamp(); |
| } |
| |
| pub fn compute_stamp_hash(config: &Config) -> String { |
| let mut hash = DefaultHasher::new(); |
| config.stage_id.hash(&mut hash); |
| |
| if config.mode == DebugInfoCdb { |
| config.cdb.hash(&mut hash); |
| } |
| |
| if config.mode == DebugInfoGdb || config.mode == DebugInfoGdbLldb { |
| match config.gdb { |
| None => env::var_os("PATH").hash(&mut hash), |
| Some(ref s) if s.is_empty() => env::var_os("PATH").hash(&mut hash), |
| Some(ref s) => s.hash(&mut hash), |
| }; |
| } |
| |
| if config.mode == DebugInfoLldb || config.mode == DebugInfoGdbLldb { |
| env::var_os("PATH").hash(&mut hash); |
| env::var_os("PYTHONPATH").hash(&mut hash); |
| } |
| |
| format!("{:x}", hash.finish()) |
| } |
| |
| struct TestCx<'test> { |
| config: &'test Config, |
| props: &'test TestProps, |
| testpaths: &'test TestPaths, |
| revision: Option<&'test str>, |
| } |
| |
| struct DebuggerCommands { |
| commands: Vec<String>, |
| check_lines: Vec<String>, |
| breakpoint_lines: Vec<usize>, |
| } |
| |
| enum ReadFrom { |
| Path, |
| Stdin(String), |
| } |
| |
| impl<'test> TestCx<'test> { |
| /// Code executed for each revision in turn (or, if there are no |
| /// revisions, exactly once, with revision == None). |
| fn run_revision(&self) { |
| match self.config.mode { |
| CompileFail => self.run_cfail_test(), |
| RunFail => self.run_rfail_test(), |
| RunPassValgrind => self.run_valgrind_test(), |
| Pretty => self.run_pretty_test(), |
| DebugInfoGdbLldb => { |
| self.run_debuginfo_gdb_test(); |
| self.run_debuginfo_lldb_test(); |
| }, |
| DebugInfoCdb => self.run_debuginfo_cdb_test(), |
| DebugInfoGdb => self.run_debuginfo_gdb_test(), |
| DebugInfoLldb => self.run_debuginfo_lldb_test(), |
| Codegen => self.run_codegen_test(), |
| Rustdoc => self.run_rustdoc_test(), |
| CodegenUnits => self.run_codegen_units_test(), |
| Incremental => self.run_incremental_test(), |
| RunMake => self.run_rmake_test(), |
| RunPass | Ui => self.run_ui_test(), |
| MirOpt => self.run_mir_opt_test(), |
| Assembly => self.run_assembly_test(), |
| JsDocTest => self.run_js_doc_test(), |
| } |
| } |
| |
| fn should_run_successfully(&self) -> bool { |
| match self.config.mode { |
| RunPass => true, |
| Ui => self.props.pass_mode == Some(PassMode::Run), |
| mode => panic!("unimplemented for mode {:?}", mode), |
| } |
| } |
| |
| fn should_compile_successfully(&self) -> bool { |
| match self.config.mode { |
| CompileFail => false, |
| RunPass => true, |
| JsDocTest => true, |
| Ui => self.props.pass_mode.is_some(), |
| Incremental => { |
| let revision = self.revision |
| .expect("incremental tests require a list of revisions"); |
| if revision.starts_with("rpass") || revision.starts_with("rfail") { |
| true |
| } else if revision.starts_with("cfail") { |
| // FIXME: would be nice if incremental revs could start with "cpass" |
| self.props.pass_mode.is_some() |
| } else { |
| panic!("revision name must begin with rpass, rfail, or cfail"); |
| } |
| } |
| mode => panic!("unimplemented for mode {:?}", mode), |
| } |
| } |
| |
| fn check_if_test_should_compile(&self, proc_res: &ProcRes) { |
| if self.should_compile_successfully() { |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("test compilation failed although it shouldn't!", proc_res); |
| } |
| } else { |
| if proc_res.status.success() { |
| self.fatal_proc_rec( |
| &format!("{} test compiled successfully!", self.config.mode)[..], |
| proc_res, |
| ); |
| } |
| |
| self.check_correct_failure_status(proc_res); |
| } |
| } |
| |
| fn run_cfail_test(&self) { |
| let proc_res = self.compile_test(); |
| self.check_if_test_should_compile(&proc_res); |
| self.check_no_compiler_crash(&proc_res); |
| |
| let output_to_check = self.get_output(&proc_res); |
| let expected_errors = errors::load_errors(&self.testpaths.file, self.revision); |
| if !expected_errors.is_empty() { |
| if !self.props.error_patterns.is_empty() { |
| self.fatal("both error pattern and expected errors specified"); |
| } |
| self.check_expected_errors(expected_errors, &proc_res); |
| } else { |
| self.check_error_patterns(&output_to_check, &proc_res); |
| } |
| |
| self.check_forbid_output(&output_to_check, &proc_res); |
| } |
| |
| fn run_rfail_test(&self) { |
| let proc_res = self.compile_test(); |
| |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("compilation failed!", &proc_res); |
| } |
| |
| let proc_res = self.exec_compiled_test(); |
| |
| // The value our Makefile configures valgrind to return on failure |
| const VALGRIND_ERR: i32 = 100; |
| if proc_res.status.code() == Some(VALGRIND_ERR) { |
| self.fatal_proc_rec("run-fail test isn't valgrind-clean!", &proc_res); |
| } |
| |
| let output_to_check = self.get_output(&proc_res); |
| self.check_correct_failure_status(&proc_res); |
| self.check_error_patterns(&output_to_check, &proc_res); |
| } |
| |
| fn get_output(&self, proc_res: &ProcRes) -> String { |
| if self.props.check_stdout { |
| format!("{}{}", proc_res.stdout, proc_res.stderr) |
| } else { |
| proc_res.stderr.clone() |
| } |
| } |
| |
| fn check_correct_failure_status(&self, proc_res: &ProcRes) { |
| let expected_status = Some(self.props.failure_status); |
| let received_status = proc_res.status.code(); |
| |
| if expected_status != received_status { |
| self.fatal_proc_rec( |
| &format!( |
| "Error: expected failure status ({:?}) but received status {:?}.", |
| expected_status, received_status |
| ), |
| proc_res, |
| ); |
| } |
| } |
| |
| fn run_rpass_test(&self) { |
| let proc_res = self.compile_test(); |
| |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("compilation failed!", &proc_res); |
| } |
| |
| // FIXME(#41968): Move this check to tidy? |
| let expected_errors = errors::load_errors(&self.testpaths.file, self.revision); |
| assert!( |
| expected_errors.is_empty(), |
| "run-pass tests with expected warnings should be moved to ui/" |
| ); |
| |
| let proc_res = self.exec_compiled_test(); |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("test run failed!", &proc_res); |
| } |
| } |
| |
| fn run_valgrind_test(&self) { |
| assert!(self.revision.is_none(), "revisions not relevant here"); |
| |
| if self.config.valgrind_path.is_none() { |
| assert!(!self.config.force_valgrind); |
| return self.run_rpass_test(); |
| } |
| |
| let mut proc_res = self.compile_test(); |
| |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("compilation failed!", &proc_res); |
| } |
| |
| let mut new_config = self.config.clone(); |
| new_config.runtool = new_config.valgrind_path.clone(); |
| let new_cx = TestCx { |
| config: &new_config, |
| ..*self |
| }; |
| proc_res = new_cx.exec_compiled_test(); |
| |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("test run failed!", &proc_res); |
| } |
| } |
| |
| fn run_pretty_test(&self) { |
| if self.props.pp_exact.is_some() { |
| logv(self.config, "testing for exact pretty-printing".to_owned()); |
| } else { |
| logv( |
| self.config, |
| "testing for converging pretty-printing".to_owned(), |
| ); |
| } |
| |
| let rounds = match self.props.pp_exact { |
| Some(_) => 1, |
| None => 2, |
| }; |
| |
| let src = fs::read_to_string(&self.testpaths.file).unwrap(); |
| let mut srcs = vec![src]; |
| |
| let mut round = 0; |
| while round < rounds { |
| logv( |
| self.config, |
| format!( |
| "pretty-printing round {} revision {:?}", |
| round, self.revision |
| ), |
| ); |
| let read_from = if round == 0 { |
| ReadFrom::Path |
| } else { |
| ReadFrom::Stdin(srcs[round].to_owned()) |
| }; |
| |
| let proc_res = self.print_source(read_from, |
| &self.props.pretty_mode); |
| if !proc_res.status.success() { |
| self.fatal_proc_rec( |
| &format!( |
| "pretty-printing failed in round {} revision {:?}", |
| round, self.revision |
| ), |
| &proc_res, |
| ); |
| } |
| |
| let ProcRes { stdout, .. } = proc_res; |
| srcs.push(stdout); |
| round += 1; |
| } |
| |
| let mut expected = match self.props.pp_exact { |
| Some(ref file) => { |
| let filepath = self.testpaths.file.parent().unwrap().join(file); |
| fs::read_to_string(&filepath).unwrap() |
| } |
| None => srcs[srcs.len() - 2].clone(), |
| }; |
| let mut actual = srcs[srcs.len() - 1].clone(); |
| |
| if self.props.pp_exact.is_some() { |
| // Now we have to care about line endings |
| let cr = "\r".to_owned(); |
| actual = actual.replace(&cr, "").to_owned(); |
| expected = expected.replace(&cr, "").to_owned(); |
| } |
| |
| self.compare_source(&expected, &actual); |
| |
| // If we're only making sure that the output matches then just stop here |
| if self.props.pretty_compare_only { |
| return; |
| } |
| |
| // Finally, let's make sure it actually appears to remain valid code |
| let proc_res = self.typecheck_source(actual); |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("pretty-printed source does not typecheck", &proc_res); |
| } |
| |
| if !self.props.pretty_expanded { |
| return; |
| } |
| |
| // additionally, run `--pretty expanded` and try to build it. |
| let proc_res = self.print_source(ReadFrom::Path, "expanded"); |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("pretty-printing (expanded) failed", &proc_res); |
| } |
| |
| let ProcRes { |
| stdout: expanded_src, |
| .. |
| } = proc_res; |
| let proc_res = self.typecheck_source(expanded_src); |
| if !proc_res.status.success() { |
| self.fatal_proc_rec( |
| "pretty-printed source (expanded) does not typecheck", |
| &proc_res, |
| ); |
| } |
| } |
| |
| fn print_source(&self, read_from: ReadFrom, pretty_type: &str) -> ProcRes { |
| let aux_dir = self.aux_output_dir_name(); |
| let input: &str = match read_from { |
| ReadFrom::Stdin(_) => "-", |
| ReadFrom::Path => self.testpaths.file.to_str().unwrap(), |
| }; |
| |
| let mut rustc = Command::new(&self.config.rustc_path); |
| rustc |
| .arg(input) |
| .args(&["-Z", &format!("unpretty={}", pretty_type)]) |
| .args(&["--target", &self.config.target]) |
| .arg("-L") |
| .arg(&aux_dir) |
| .args(&self.props.compile_flags) |
| .envs(self.props.exec_env.clone()); |
| self.maybe_add_external_args(&mut rustc, |
| self.split_maybe_args(&self.config.target_rustcflags)); |
| |
| let src = match read_from { |
| ReadFrom::Stdin(src) => Some(src), |
| ReadFrom::Path => None |
| }; |
| |
| self.compose_and_run( |
| rustc, |
| self.config.compile_lib_path.to_str().unwrap(), |
| Some(aux_dir.to_str().unwrap()), |
| src, |
| ) |
| } |
| |
| fn compare_source(&self, expected: &str, actual: &str) { |
| if expected != actual { |
| self.fatal(&format!( |
| "pretty-printed source does not match expected source\n\ |
| expected:\n\ |
| ------------------------------------------\n\ |
| {}\n\ |
| ------------------------------------------\n\ |
| actual:\n\ |
| ------------------------------------------\n\ |
| {}\n\ |
| ------------------------------------------\n\ |
| \n", |
| expected, actual) |
| ); |
| } |
| } |
| |
| fn set_revision_flags(&self, cmd: &mut Command) { |
| if let Some(revision) = self.revision { |
| // Normalize revisions to be lowercase and replace `-`s with `_`s. |
| // Otherwise the `--cfg` flag is not valid. |
| let normalized_revision = revision.to_lowercase().replace("-", "_"); |
| cmd.args(&["--cfg", &normalized_revision]); |
| } |
| } |
| |
| fn typecheck_source(&self, src: String) -> ProcRes { |
| let mut rustc = Command::new(&self.config.rustc_path); |
| |
| let out_dir = self.output_base_name().with_extension("pretty-out"); |
| let _ = fs::remove_dir_all(&out_dir); |
| create_dir_all(&out_dir).unwrap(); |
| |
| let target = if self.props.force_host { |
| &*self.config.host |
| } else { |
| &*self.config.target |
| }; |
| |
| let aux_dir = self.aux_output_dir_name(); |
| |
| rustc |
| .arg("-") |
| .arg("-Zno-codegen") |
| .arg("--out-dir") |
| .arg(&out_dir) |
| .arg(&format!("--target={}", target)) |
| .arg("-L") |
| .arg(&self.config.build_base) |
| .arg("-L") |
| .arg(aux_dir); |
| self.set_revision_flags(&mut rustc); |
| self.maybe_add_external_args(&mut rustc, |
| self.split_maybe_args(&self.config.target_rustcflags)); |
| rustc.args(&self.props.compile_flags); |
| |
| self.compose_and_run_compiler(rustc, Some(src)) |
| } |
| |
| fn run_debuginfo_cdb_test(&self) { |
| assert!(self.revision.is_none(), "revisions not relevant here"); |
| |
| let config = Config { |
| target_rustcflags: self.cleanup_debug_info_options(&self.config.target_rustcflags), |
| host_rustcflags: self.cleanup_debug_info_options(&self.config.host_rustcflags), |
| mode: DebugInfoCdb, |
| ..self.config.clone() |
| }; |
| |
| let test_cx = TestCx { |
| config: &config, |
| ..*self |
| }; |
| |
| test_cx.run_debuginfo_cdb_test_no_opt(); |
| } |
| |
| fn run_debuginfo_cdb_test_no_opt(&self) { |
| // compile test file (it should have 'compile-flags:-g' in the header) |
| let compile_result = self.compile_test(); |
| if !compile_result.status.success() { |
| self.fatal_proc_rec("compilation failed!", &compile_result); |
| } |
| |
| let exe_file = self.make_exe_name(); |
| |
| let prefixes = { |
| static PREFIXES: &'static [&'static str] = &["cdb", "cdbg"]; |
| // No "native rust support" variation for CDB yet. |
| PREFIXES |
| }; |
| |
| // Parse debugger commands etc from test files |
| let DebuggerCommands { |
| commands, |
| check_lines, |
| breakpoint_lines, |
| .. |
| } = self.parse_debugger_commands(prefixes); |
| |
| // https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/debugger-commands |
| let mut script_str = String::with_capacity(2048); |
| script_str.push_str("version\n"); // List CDB (and more) version info in test output |
| script_str.push_str(".nvlist\n"); // List loaded `*.natvis` files, bulk of custom MSVC debug |
| |
| // Set breakpoints on every line that contains the string "#break" |
| let source_file_name = self.testpaths.file.file_name().unwrap().to_string_lossy(); |
| for line in &breakpoint_lines { |
| script_str.push_str(&format!( |
| "bp `{}:{}`\n", |
| source_file_name, line |
| )); |
| } |
| |
| // Append the other `cdb-command:`s |
| for line in &commands { |
| script_str.push_str(line); |
| script_str.push_str("\n"); |
| } |
| |
| script_str.push_str("\nqq\n"); // Quit the debugger (including remote debugger, if any) |
| |
| // Write the script into a file |
| debug!("script_str = {}", script_str); |
| self.dump_output_file(&script_str, "debugger.script"); |
| let debugger_script = self.make_out_name("debugger.script"); |
| |
| let cdb_path = &self.config.cdb.as_ref().unwrap(); |
| let mut cdb = Command::new(cdb_path); |
| cdb |
| .arg("-lines") // Enable source line debugging. |
| .arg("-cf").arg(&debugger_script) |
| .arg(&exe_file); |
| |
| let debugger_run_result = self.compose_and_run( |
| cdb, |
| self.config.run_lib_path.to_str().unwrap(), |
| None, // aux_path |
| None // input |
| ); |
| |
| if !debugger_run_result.status.success() { |
| self.fatal_proc_rec("Error while running CDB", &debugger_run_result); |
| } |
| |
| self.check_debugger_output(&debugger_run_result, &check_lines); |
| } |
| |
| fn run_debuginfo_gdb_test(&self) { |
| assert!(self.revision.is_none(), "revisions not relevant here"); |
| |
| let config = Config { |
| target_rustcflags: self.cleanup_debug_info_options(&self.config.target_rustcflags), |
| host_rustcflags: self.cleanup_debug_info_options(&self.config.host_rustcflags), |
| mode: DebugInfoGdb, |
| ..self.config.clone() |
| }; |
| |
| let test_cx = TestCx { |
| config: &config, |
| ..*self |
| }; |
| |
| test_cx.run_debuginfo_gdb_test_no_opt(); |
| } |
| |
| fn run_debuginfo_gdb_test_no_opt(&self) { |
| let prefixes = if self.config.gdb_native_rust { |
| // GDB with Rust |
| static PREFIXES: &'static [&'static str] = &["gdb", "gdbr"]; |
| println!("NOTE: compiletest thinks it is using GDB with native rust support"); |
| PREFIXES |
| } else { |
| // Generic GDB |
| static PREFIXES: &'static [&'static str] = &["gdb", "gdbg"]; |
| println!("NOTE: compiletest thinks it is using GDB without native rust support"); |
| PREFIXES |
| }; |
| |
| let DebuggerCommands { |
| commands, |
| check_lines, |
| breakpoint_lines, |
| } = self.parse_debugger_commands(prefixes); |
| let mut cmds = commands.join("\n"); |
| |
| // compile test file (it should have 'compile-flags:-g' in the header) |
| let compiler_run_result = self.compile_test(); |
| if !compiler_run_result.status.success() { |
| self.fatal_proc_rec("compilation failed!", &compiler_run_result); |
| } |
| |
| let exe_file = self.make_exe_name(); |
| |
| let debugger_run_result; |
| if is_android_gdb_target(&self.config.target) { |
| cmds = cmds.replace("run", "continue"); |
| |
| let tool_path = match self.config.android_cross_path.to_str() { |
| Some(x) => x.to_owned(), |
| None => self.fatal("cannot find android cross path"), |
| }; |
| |
| // write debugger script |
| let mut script_str = String::with_capacity(2048); |
| script_str.push_str(&format!("set charset {}\n", Self::charset())); |
| script_str.push_str(&format!("set sysroot {}\n", tool_path)); |
| script_str.push_str(&format!("file {}\n", exe_file.to_str().unwrap())); |
| script_str.push_str("target remote :5039\n"); |
| script_str.push_str(&format!( |
| "set solib-search-path \ |
| ./{}/stage2/lib/rustlib/{}/lib/\n", |
| self.config.host, self.config.target |
| )); |
| for line in &breakpoint_lines { |
| script_str.push_str( |
| &format!( |
| "break {:?}:{}\n", |
| self.testpaths.file.file_name().unwrap().to_string_lossy(), |
| *line |
| )[..], |
| ); |
| } |
| script_str.push_str(&cmds); |
| script_str.push_str("\nquit\n"); |
| |
| debug!("script_str = {}", script_str); |
| self.dump_output_file(&script_str, "debugger.script"); |
| |
| let adb_path = &self.config.adb_path; |
| |
| Command::new(adb_path) |
| .arg("push") |
| .arg(&exe_file) |
| .arg(&self.config.adb_test_dir) |
| .status() |
| .expect(&format!("failed to exec `{:?}`", adb_path)); |
| |
| Command::new(adb_path) |
| .args(&["forward", "tcp:5039", "tcp:5039"]) |
| .status() |
| .expect(&format!("failed to exec `{:?}`", adb_path)); |
| |
| let adb_arg = format!( |
| "export LD_LIBRARY_PATH={}; \ |
| gdbserver{} :5039 {}/{}", |
| self.config.adb_test_dir.clone(), |
| if self.config.target.contains("aarch64") { |
| "64" |
| } else { |
| "" |
| }, |
| self.config.adb_test_dir.clone(), |
| exe_file.file_name().unwrap().to_str().unwrap() |
| ); |
| |
| debug!("adb arg: {}", adb_arg); |
| let mut adb = Command::new(adb_path) |
| .args(&["shell", &adb_arg]) |
| .stdout(Stdio::piped()) |
| .stderr(Stdio::inherit()) |
| .spawn() |
| .expect(&format!("failed to exec `{:?}`", adb_path)); |
| |
| // Wait for the gdbserver to print out "Listening on port ..." |
| // at which point we know that it's started and then we can |
| // execute the debugger below. |
| let mut stdout = BufReader::new(adb.stdout.take().unwrap()); |
| let mut line = String::new(); |
| loop { |
| line.truncate(0); |
| stdout.read_line(&mut line).unwrap(); |
| if line.starts_with("Listening on port 5039") { |
| break; |
| } |
| } |
| drop(stdout); |
| |
| let mut debugger_script = OsString::from("-command="); |
| debugger_script.push(self.make_out_name("debugger.script")); |
| let debugger_opts: &[&OsStr] = &[ |
| "-quiet".as_ref(), |
| "-batch".as_ref(), |
| "-nx".as_ref(), |
| &debugger_script, |
| ]; |
| |
| let gdb_path = self.config.gdb.as_ref().unwrap(); |
| let Output { |
| status, |
| stdout, |
| stderr, |
| } = Command::new(&gdb_path) |
| .args(debugger_opts) |
| .output() |
| .expect(&format!("failed to exec `{:?}`", gdb_path)); |
| let cmdline = { |
| let mut gdb = Command::new(&format!("{}-gdb", self.config.target)); |
| gdb.args(debugger_opts); |
| let cmdline = self.make_cmdline(&gdb, ""); |
| logv(self.config, format!("executing {}", cmdline)); |
| cmdline |
| }; |
| |
| debugger_run_result = ProcRes { |
| status, |
| stdout: String::from_utf8(stdout).unwrap(), |
| stderr: String::from_utf8(stderr).unwrap(), |
| cmdline, |
| }; |
| if adb.kill().is_err() { |
| println!("Adb process is already finished."); |
| } |
| } else { |
| let rust_src_root = self |
| .config |
| .find_rust_src_root() |
| .expect("Could not find Rust source root"); |
| let rust_pp_module_rel_path = Path::new("./src/etc"); |
| let rust_pp_module_abs_path = rust_src_root |
| .join(rust_pp_module_rel_path) |
| .to_str() |
| .unwrap() |
| .to_owned(); |
| // write debugger script |
| let mut script_str = String::with_capacity(2048); |
| script_str.push_str(&format!("set charset {}\n", Self::charset())); |
| script_str.push_str("show version\n"); |
| |
| match self.config.gdb_version { |
| Some(version) => { |
| println!( |
| "NOTE: compiletest thinks it is using GDB version {}", |
| version |
| ); |
| |
| if version > extract_gdb_version("7.4").unwrap() { |
| // Add the directory containing the pretty printers to |
| // GDB's script auto loading safe path |
| script_str.push_str(&format!( |
| "add-auto-load-safe-path {}\n", |
| rust_pp_module_abs_path.replace(r"\", r"\\") |
| )); |
| } |
| } |
| _ => { |
| println!( |
| "NOTE: compiletest does not know which version of \ |
| GDB it is using" |
| ); |
| } |
| } |
| |
| // The following line actually doesn't have to do anything with |
| // pretty printing, it just tells GDB to print values on one line: |
| script_str.push_str("set print pretty off\n"); |
| |
| // Add the pretty printer directory to GDB's source-file search path |
| script_str.push_str(&format!("directory {}\n", rust_pp_module_abs_path)); |
| |
| // Load the target executable |
| script_str.push_str(&format!( |
| "file {}\n", |
| exe_file.to_str().unwrap().replace(r"\", r"\\") |
| )); |
| |
| // Force GDB to print values in the Rust format. |
| if self.config.gdb_native_rust { |
| script_str.push_str("set language rust\n"); |
| } |
| |
| // Add line breakpoints |
| for line in &breakpoint_lines { |
| script_str.push_str(&format!( |
| "break '{}':{}\n", |
| self.testpaths.file.file_name().unwrap().to_string_lossy(), |
| *line |
| )); |
| } |
| |
| script_str.push_str(&cmds); |
| script_str.push_str("\nquit\n"); |
| |
| debug!("script_str = {}", script_str); |
| self.dump_output_file(&script_str, "debugger.script"); |
| |
| let mut debugger_script = OsString::from("-command="); |
| debugger_script.push(self.make_out_name("debugger.script")); |
| |
| let debugger_opts: &[&OsStr] = &[ |
| "-quiet".as_ref(), |
| "-batch".as_ref(), |
| "-nx".as_ref(), |
| &debugger_script, |
| ]; |
| |
| let mut gdb = Command::new(self.config.gdb.as_ref().unwrap()); |
| gdb.args(debugger_opts) |
| .env("PYTHONPATH", rust_pp_module_abs_path); |
| |
| debugger_run_result = self.compose_and_run( |
| gdb, |
| self.config.run_lib_path.to_str().unwrap(), |
| None, |
| None, |
| ); |
| } |
| |
| if !debugger_run_result.status.success() { |
| self.fatal_proc_rec("gdb failed to execute", &debugger_run_result); |
| } |
| |
| self.check_debugger_output(&debugger_run_result, &check_lines); |
| } |
| |
| fn run_debuginfo_lldb_test(&self) { |
| assert!(self.revision.is_none(), "revisions not relevant here"); |
| |
| if self.config.lldb_python_dir.is_none() { |
| self.fatal("Can't run LLDB test because LLDB's python path is not set."); |
| } |
| |
| let config = Config { |
| target_rustcflags: self.cleanup_debug_info_options(&self.config.target_rustcflags), |
| host_rustcflags: self.cleanup_debug_info_options(&self.config.host_rustcflags), |
| mode: DebugInfoLldb, |
| ..self.config.clone() |
| }; |
| |
| let test_cx = TestCx { |
| config: &config, |
| ..*self |
| }; |
| |
| test_cx.run_debuginfo_lldb_test_no_opt(); |
| } |
| |
| fn run_debuginfo_lldb_test_no_opt(&self) { |
| // compile test file (it should have 'compile-flags:-g' in the header) |
| let compile_result = self.compile_test(); |
| if !compile_result.status.success() { |
| self.fatal_proc_rec("compilation failed!", &compile_result); |
| } |
| |
| let exe_file = self.make_exe_name(); |
| |
| match self.config.lldb_version { |
| Some(ref version) => { |
| println!( |
| "NOTE: compiletest thinks it is using LLDB version {}", |
| version |
| ); |
| } |
| _ => { |
| println!( |
| "NOTE: compiletest does not know which version of \ |
| LLDB it is using" |
| ); |
| } |
| } |
| |
| let prefixes = if self.config.lldb_native_rust { |
| static PREFIXES: &'static [&'static str] = &["lldb", "lldbr"]; |
| println!("NOTE: compiletest thinks it is using LLDB with native rust support"); |
| PREFIXES |
| } else { |
| static PREFIXES: &'static [&'static str] = &["lldb", "lldbg"]; |
| println!("NOTE: compiletest thinks it is using LLDB without native rust support"); |
| PREFIXES |
| }; |
| |
| // Parse debugger commands etc from test files |
| let DebuggerCommands { |
| commands, |
| check_lines, |
| breakpoint_lines, |
| .. |
| } = self.parse_debugger_commands(prefixes); |
| |
| // Write debugger script: |
| // We don't want to hang when calling `quit` while the process is still running |
| let mut script_str = String::from("settings set auto-confirm true\n"); |
| |
| // Make LLDB emit its version, so we have it documented in the test output |
| script_str.push_str("version\n"); |
| |
| // Switch LLDB into "Rust mode" |
| let rust_src_root = self |
| .config |
| .find_rust_src_root() |
| .expect("Could not find Rust source root"); |
| let rust_pp_module_rel_path = Path::new("./src/etc/lldb_rust_formatters.py"); |
| let rust_pp_module_abs_path = rust_src_root |
| .join(rust_pp_module_rel_path) |
| .to_str() |
| .unwrap() |
| .to_owned(); |
| |
| script_str |
| .push_str(&format!("command script import {}\n", &rust_pp_module_abs_path[..])[..]); |
| script_str.push_str("type summary add --no-value "); |
| script_str.push_str("--python-function lldb_rust_formatters.print_val "); |
| script_str.push_str("-x \".*\" --category Rust\n"); |
| script_str.push_str("type category enable Rust\n"); |
| |
| // Set breakpoints on every line that contains the string "#break" |
| let source_file_name = self.testpaths.file.file_name().unwrap().to_string_lossy(); |
| for line in &breakpoint_lines { |
| script_str.push_str(&format!( |
| "breakpoint set --file '{}' --line {}\n", |
| source_file_name, line |
| )); |
| } |
| |
| // Append the other commands |
| for line in &commands { |
| script_str.push_str(line); |
| script_str.push_str("\n"); |
| } |
| |
| // Finally, quit the debugger |
| script_str.push_str("\nquit\n"); |
| |
| // Write the script into a file |
| debug!("script_str = {}", script_str); |
| self.dump_output_file(&script_str, "debugger.script"); |
| let debugger_script = self.make_out_name("debugger.script"); |
| |
| // Let LLDB execute the script via lldb_batchmode.py |
| let debugger_run_result = self.run_lldb(&exe_file, &debugger_script, &rust_src_root); |
| |
| if !debugger_run_result.status.success() { |
| self.fatal_proc_rec("Error while running LLDB", &debugger_run_result); |
| } |
| |
| self.check_debugger_output(&debugger_run_result, &check_lines); |
| } |
| |
| fn run_lldb( |
| &self, |
| test_executable: &Path, |
| debugger_script: &Path, |
| rust_src_root: &Path, |
| ) -> ProcRes { |
| // Prepare the lldb_batchmode which executes the debugger script |
| let lldb_script_path = rust_src_root.join("src/etc/lldb_batchmode.py"); |
| self.cmd2procres( |
| Command::new(&self.config.lldb_python) |
| .arg(&lldb_script_path) |
| .arg(test_executable) |
| .arg(debugger_script) |
| .env("PYTHONPATH", self.config.lldb_python_dir.as_ref().unwrap()), |
| ) |
| } |
| |
| fn cmd2procres(&self, cmd: &mut Command) -> ProcRes { |
| let (status, out, err) = match cmd.output() { |
| Ok(Output { |
| status, |
| stdout, |
| stderr, |
| }) => ( |
| status, |
| String::from_utf8(stdout).unwrap(), |
| String::from_utf8(stderr).unwrap(), |
| ), |
| Err(e) => self.fatal(&format!( |
| "Failed to setup Python process for \ |
| LLDB script: {}", |
| e |
| )), |
| }; |
| |
| self.dump_output(&out, &err); |
| ProcRes { |
| status, |
| stdout: out, |
| stderr: err, |
| cmdline: format!("{:?}", cmd), |
| } |
| } |
| |
| fn parse_debugger_commands(&self, debugger_prefixes: &[&str]) -> DebuggerCommands { |
| let directives = debugger_prefixes |
| .iter() |
| .map(|prefix| (format!("{}-command", prefix), format!("{}-check", prefix))) |
| .collect::<Vec<_>>(); |
| |
| let mut breakpoint_lines = vec![]; |
| let mut commands = vec![]; |
| let mut check_lines = vec![]; |
| let mut counter = 1; |
| let reader = BufReader::new(File::open(&self.testpaths.file).unwrap()); |
| for line in reader.lines() { |
| match line { |
| Ok(line) => { |
| let line = if line.starts_with("//") { |
| line[2..].trim_start() |
| } else { |
| line.as_str() |
| }; |
| |
| if line.contains("#break") { |
| breakpoint_lines.push(counter); |
| } |
| |
| for &(ref command_directive, ref check_directive) in &directives { |
| self.config |
| .parse_name_value_directive(&line, command_directive) |
| .map(|cmd| commands.push(cmd)); |
| |
| self.config |
| .parse_name_value_directive(&line, check_directive) |
| .map(|cmd| check_lines.push(cmd)); |
| } |
| } |
| Err(e) => self.fatal(&format!("Error while parsing debugger commands: {}", e)), |
| } |
| counter += 1; |
| } |
| |
| DebuggerCommands { |
| commands, |
| check_lines, |
| breakpoint_lines, |
| } |
| } |
| |
| fn cleanup_debug_info_options(&self, options: &Option<String>) -> Option<String> { |
| if options.is_none() { |
| return None; |
| } |
| |
| // Remove options that are either unwanted (-O) or may lead to duplicates due to RUSTFLAGS. |
| let options_to_remove = ["-O".to_owned(), "-g".to_owned(), "--debuginfo".to_owned()]; |
| let new_options = self |
| .split_maybe_args(options) |
| .into_iter() |
| .filter(|x| !options_to_remove.contains(x)) |
| .collect::<Vec<String>>(); |
| |
| Some(new_options.join(" ")) |
| } |
| |
| fn maybe_add_external_args(&self, cmd: &mut Command, args: Vec<String>) { |
| // Filter out the arguments that should not be added by runtest here. |
| // |
| // Notable use-cases are: do not add our optimisation flag if |
| // `compile-flags: -Copt-level=x` and similar for debug-info level as well. |
| const OPT_FLAGS: &[&str] = &["-O", "-Copt-level=", /*-C<space>*/"opt-level="]; |
| const DEBUG_FLAGS: &[&str] = &["-g", "-Cdebuginfo=", /*-C<space>*/"debuginfo="]; |
| |
| // FIXME: ideally we would "just" check the `cmd` itself, but it does not allow inspecting |
| // its arguments. They need to be collected separately. For now I cannot be bothered to |
| // implement this the "right" way. |
| let have_opt_flag = self.props.compile_flags.iter().any(|arg| { |
| OPT_FLAGS.iter().any(|f| arg.starts_with(f)) |
| }); |
| let have_debug_flag = self.props.compile_flags.iter().any(|arg| { |
| DEBUG_FLAGS.iter().any(|f| arg.starts_with(f)) |
| }); |
| |
| for arg in args { |
| if OPT_FLAGS.iter().any(|f| arg.starts_with(f)) && have_opt_flag { |
| continue; |
| } |
| if DEBUG_FLAGS.iter().any(|f| arg.starts_with(f)) && have_debug_flag { |
| continue; |
| } |
| cmd.arg(arg); |
| } |
| } |
| |
| fn check_debugger_output(&self, debugger_run_result: &ProcRes, check_lines: &[String]) { |
| let num_check_lines = check_lines.len(); |
| |
| let mut check_line_index = 0; |
| for line in debugger_run_result.stdout.lines() { |
| if check_line_index >= num_check_lines { |
| break; |
| } |
| |
| if check_single_line(line, &(check_lines[check_line_index])[..]) { |
| check_line_index += 1; |
| } |
| } |
| if check_line_index != num_check_lines && num_check_lines > 0 { |
| self.fatal_proc_rec( |
| &format!( |
| "line not found in debugger output: {}", |
| check_lines[check_line_index] |
| ), |
| debugger_run_result, |
| ); |
| } |
| |
| fn check_single_line(line: &str, check_line: &str) -> bool { |
| // Allow check lines to leave parts unspecified (e.g., uninitialized |
| // bits in the wrong case of an enum) with the notation "[...]". |
| let line = line.trim(); |
| let check_line = check_line.trim(); |
| let can_start_anywhere = check_line.starts_with("[...]"); |
| let can_end_anywhere = check_line.ends_with("[...]"); |
| |
| let check_fragments: Vec<&str> = check_line |
| .split("[...]") |
| .filter(|frag| !frag.is_empty()) |
| .collect(); |
| if check_fragments.is_empty() { |
| return true; |
| } |
| |
| let (mut rest, first_fragment) = if can_start_anywhere { |
| match line.find(check_fragments[0]) { |
| Some(pos) => (&line[pos + check_fragments[0].len()..], 1), |
| None => return false, |
| } |
| } else { |
| (line, 0) |
| }; |
| |
| for current_fragment in &check_fragments[first_fragment..] { |
| match rest.find(current_fragment) { |
| Some(pos) => { |
| rest = &rest[pos + current_fragment.len()..]; |
| } |
| None => return false, |
| } |
| } |
| |
| if !can_end_anywhere && !rest.is_empty() { |
| return false; |
| } |
| |
| true |
| } |
| } |
| |
| fn check_error_patterns(&self, output_to_check: &str, proc_res: &ProcRes) { |
| debug!("check_error_patterns"); |
| if self.props.error_patterns.is_empty() { |
| if self.props.pass_mode.is_some() { |
| return; |
| } else { |
| self.fatal(&format!( |
| "no error pattern specified in {:?}", |
| self.testpaths.file.display() |
| )); |
| } |
| } |
| |
| let mut missing_patterns: Vec<String> = Vec::new(); |
| |
| for pattern in &self.props.error_patterns { |
| if output_to_check.contains(pattern.trim()) { |
| debug!("found error pattern {}", pattern); |
| } else { |
| missing_patterns.push(pattern.to_string()); |
| } |
| } |
| |
| if missing_patterns.is_empty() { |
| return; |
| } |
| |
| if missing_patterns.len() == 1 { |
| self.fatal_proc_rec( |
| &format!("error pattern '{}' not found!", missing_patterns[0]), |
| proc_res, |
| ); |
| } else { |
| for pattern in missing_patterns { |
| self.error(&format!("error pattern '{}' not found!", pattern)); |
| } |
| self.fatal_proc_rec("multiple error patterns not found", proc_res); |
| } |
| } |
| |
| fn check_no_compiler_crash(&self, proc_res: &ProcRes) { |
| match proc_res.status.code() { |
| Some(101) => self.fatal_proc_rec("compiler encountered internal error", proc_res), |
| None => self.fatal_proc_rec("compiler terminated by signal", proc_res), |
| _ => (), |
| } |
| } |
| |
| fn check_forbid_output(&self, output_to_check: &str, proc_res: &ProcRes) { |
| for pat in &self.props.forbid_output { |
| if output_to_check.contains(pat) { |
| self.fatal_proc_rec("forbidden pattern found in compiler output", proc_res); |
| } |
| } |
| } |
| |
| fn check_expected_errors(&self, expected_errors: Vec<errors::Error>, proc_res: &ProcRes) { |
| debug!("check_expected_errors: expected_errors={:?} proc_res.status={:?}", |
| expected_errors, proc_res.status); |
| if proc_res.status.success() |
| && expected_errors |
| .iter() |
| .any(|x| x.kind == Some(ErrorKind::Error)) |
| { |
| self.fatal_proc_rec("process did not return an error status", proc_res); |
| } |
| |
| // On Windows, keep all '\' path separators to match the paths reported in the JSON output |
| // from the compiler |
| let os_file_name = self.testpaths.file.display().to_string(); |
| |
| // on windows, translate all '\' path separators to '/' |
| let file_name = format!("{}", self.testpaths.file.display()).replace(r"\", "/"); |
| |
| // If the testcase being checked contains at least one expected "help" |
| // message, then we'll ensure that all "help" messages are expected. |
| // Otherwise, all "help" messages reported by the compiler will be ignored. |
| // This logic also applies to "note" messages. |
| let expect_help = expected_errors |
| .iter() |
| .any(|ee| ee.kind == Some(ErrorKind::Help)); |
| let expect_note = expected_errors |
| .iter() |
| .any(|ee| ee.kind == Some(ErrorKind::Note)); |
| |
| // Parse the JSON output from the compiler and extract out the messages. |
| let actual_errors = json::parse_output(&os_file_name, &proc_res.stderr, proc_res); |
| let mut unexpected = Vec::new(); |
| let mut found = vec![false; expected_errors.len()]; |
| for actual_error in &actual_errors { |
| let opt_index = expected_errors.iter().enumerate().position( |
| |(index, expected_error)| { |
| !found[index] && actual_error.line_num == expected_error.line_num |
| && (expected_error.kind.is_none() |
| || actual_error.kind == expected_error.kind) |
| && actual_error.msg.contains(&expected_error.msg) |
| }, |
| ); |
| |
| match opt_index { |
| Some(index) => { |
| // found a match, everybody is happy |
| assert!(!found[index]); |
| found[index] = true; |
| } |
| |
| None => { |
| if self.is_unexpected_compiler_message(actual_error, expect_help, expect_note) { |
| self.error(&format!( |
| "{}:{}: unexpected {}: '{}'", |
| file_name, |
| actual_error.line_num, |
| actual_error |
| .kind |
| .as_ref() |
| .map_or(String::from("message"), |k| k.to_string()), |
| actual_error.msg |
| )); |
| unexpected.push(actual_error); |
| } |
| } |
| } |
| } |
| |
| let mut not_found = Vec::new(); |
| // anything not yet found is a problem |
| for (index, expected_error) in expected_errors.iter().enumerate() { |
| if !found[index] { |
| self.error(&format!( |
| "{}:{}: expected {} not found: {}", |
| file_name, |
| expected_error.line_num, |
| expected_error |
| .kind |
| .as_ref() |
| .map_or("message".into(), |k| k.to_string()), |
| expected_error.msg |
| )); |
| not_found.push(expected_error); |
| } |
| } |
| |
| if !unexpected.is_empty() || !not_found.is_empty() { |
| self.error(&format!( |
| "{} unexpected errors found, {} expected errors not found", |
| unexpected.len(), |
| not_found.len() |
| )); |
| println!("status: {}\ncommand: {}", proc_res.status, proc_res.cmdline); |
| if !unexpected.is_empty() { |
| println!("unexpected errors (from JSON output): {:#?}\n", unexpected); |
| } |
| if !not_found.is_empty() { |
| println!("not found errors (from test file): {:#?}\n", not_found); |
| } |
| panic!(); |
| } |
| } |
| |
| /// Returns `true` if we should report an error about `actual_error`, |
| /// which did not match any of the expected error. We always require |
| /// errors/warnings to be explicitly listed, but only require |
| /// helps/notes if there are explicit helps/notes given. |
| fn is_unexpected_compiler_message( |
| &self, |
| actual_error: &Error, |
| expect_help: bool, |
| expect_note: bool, |
| ) -> bool { |
| match actual_error.kind { |
| Some(ErrorKind::Help) => expect_help, |
| Some(ErrorKind::Note) => expect_note, |
| Some(ErrorKind::Error) | Some(ErrorKind::Warning) => true, |
| Some(ErrorKind::Suggestion) | None => false, |
| } |
| } |
| |
| fn compile_test(&self) -> ProcRes { |
| // Only use `make_exe_name` when the test ends up being executed. |
| let will_execute = match self.config.mode { |
| RunPass | Ui => self.should_run_successfully(), |
| Incremental => self.revision.unwrap().starts_with("r"), |
| RunFail | RunPassValgrind | MirOpt | |
| DebugInfoCdb | DebugInfoGdbLldb | DebugInfoGdb | DebugInfoLldb => true, |
| _ => false, |
| }; |
| let output_file = if will_execute { |
| TargetLocation::ThisFile(self.make_exe_name()) |
| } else { |
| TargetLocation::ThisDirectory(self.output_base_dir()) |
| }; |
| |
| let mut rustc = self.make_compile_args(&self.testpaths.file, output_file); |
| |
| rustc.arg("-L").arg(&self.aux_output_dir_name()); |
| |
| match self.config.mode { |
| CompileFail | Ui => { |
| // compile-fail and ui tests tend to have tons of unused code as |
| // it's just testing various pieces of the compile, but we don't |
| // want to actually assert warnings about all this code. Instead |
| // let's just ignore unused code warnings by defaults and tests |
| // can turn it back on if needed. |
| if !self.config.src_base.ends_with("rustdoc-ui") { |
| rustc.args(&["-A", "unused"]); |
| } |
| } |
| _ => {} |
| } |
| |
| self.compose_and_run_compiler(rustc, None) |
| } |
| |
| fn document(&self, out_dir: &Path) -> ProcRes { |
| if self.props.build_aux_docs { |
| for rel_ab in &self.props.aux_builds { |
| let aux_testpaths = self.compute_aux_test_paths(rel_ab); |
| let aux_props = |
| self.props |
| .from_aux_file(&aux_testpaths.file, self.revision, self.config); |
| let aux_cx = TestCx { |
| config: self.config, |
| props: &aux_props, |
| testpaths: &aux_testpaths, |
| revision: self.revision, |
| }; |
| // Create the directory for the stdout/stderr files. |
| create_dir_all(aux_cx.output_base_dir()).unwrap(); |
| let auxres = aux_cx.document(out_dir); |
| if !auxres.status.success() { |
| return auxres; |
| } |
| } |
| } |
| |
| let aux_dir = self.aux_output_dir_name(); |
| |
| let rustdoc_path = self |
| .config |
| .rustdoc_path |
| .as_ref() |
| .expect("--rustdoc-path passed"); |
| let mut rustdoc = Command::new(rustdoc_path); |
| |
| rustdoc |
| .arg("-L") |
| .arg(self.config.run_lib_path.to_str().unwrap()) |
| .arg("-L") |
| .arg(aux_dir) |
| .arg("-o") |
| .arg(out_dir) |
| .arg(&self.testpaths.file) |
| .args(&self.props.compile_flags); |
| |
| if let Some(ref linker) = self.config.linker { |
| rustdoc |
| .arg("--linker") |
| .arg(linker) |
| .arg("-Z") |
| .arg("unstable-options"); |
| } |
| |
| self.compose_and_run_compiler(rustdoc, None) |
| } |
| |
| fn exec_compiled_test(&self) -> ProcRes { |
| let env = &self.props.exec_env; |
| |
| let proc_res = match &*self.config.target { |
| // This is pretty similar to below, we're transforming: |
| // |
| // program arg1 arg2 |
| // |
| // into |
| // |
| // remote-test-client run program:support-lib.so arg1 arg2 |
| // |
| // The test-client program will upload `program` to the emulator |
| // along with all other support libraries listed (in this case |
| // `support-lib.so`. It will then execute the program on the |
| // emulator with the arguments specified (in the environment we give |
| // the process) and then report back the same result. |
| _ if self.config.remote_test_client.is_some() => { |
| let aux_dir = self.aux_output_dir_name(); |
| let ProcArgs { mut prog, args } = self.make_run_args(); |
| if let Ok(entries) = aux_dir.read_dir() { |
| for entry in entries { |
| let entry = entry.unwrap(); |
| if !entry.path().is_file() { |
| continue; |
| } |
| prog.push_str(":"); |
| prog.push_str(entry.path().to_str().unwrap()); |
| } |
| } |
| let mut test_client = |
| Command::new(self.config.remote_test_client.as_ref().unwrap()); |
| test_client |
| .args(&["run", &prog]) |
| .args(args) |
| .envs(env.clone()); |
| self.compose_and_run( |
| test_client, |
| self.config.run_lib_path.to_str().unwrap(), |
| Some(aux_dir.to_str().unwrap()), |
| None, |
| ) |
| } |
| _ => { |
| let aux_dir = self.aux_output_dir_name(); |
| let ProcArgs { prog, args } = self.make_run_args(); |
| let mut program = Command::new(&prog); |
| program |
| .args(args) |
| .current_dir(&self.output_base_dir()) |
| .envs(env.clone()); |
| self.compose_and_run( |
| program, |
| self.config.run_lib_path.to_str().unwrap(), |
| Some(aux_dir.to_str().unwrap()), |
| None, |
| ) |
| } |
| }; |
| |
| if proc_res.status.success() { |
| // delete the executable after running it to save space. |
| // it is ok if the deletion failed. |
| let _ = fs::remove_file(self.make_exe_name()); |
| } |
| |
| proc_res |
| } |
| |
| /// For each `aux-build: foo/bar` annotation, we check to find the |
| /// file in a `auxiliary` directory relative to the test itself. |
| fn compute_aux_test_paths(&self, rel_ab: &str) -> TestPaths { |
| let test_ab = self |
| .testpaths |
| .file |
| .parent() |
| .expect("test file path has no parent") |
| .join("auxiliary") |
| .join(rel_ab); |
| if !test_ab.exists() { |
| self.fatal(&format!( |
| "aux-build `{}` source not found", |
| test_ab.display() |
| )) |
| } |
| |
| TestPaths { |
| file: test_ab, |
| relative_dir: self |
| .testpaths |
| .relative_dir |
| .join(self.output_testname_unique()) |
| .join("auxiliary") |
| .join(rel_ab) |
| .parent() |
| .expect("aux-build path has no parent") |
| .to_path_buf(), |
| } |
| } |
| |
| fn compose_and_run_compiler(&self, mut rustc: Command, input: Option<String>) -> ProcRes { |
| let aux_dir = self.aux_output_dir_name(); |
| |
| if !self.props.aux_builds.is_empty() { |
| let _ = fs::remove_dir_all(&aux_dir); |
| create_dir_all(&aux_dir).unwrap(); |
| } |
| |
| // Use a Vec instead of a HashMap to preserve original order |
| let mut extern_priv = self.props.extern_private.clone(); |
| |
| let mut add_extern_priv = |priv_dep: &str, dylib: bool| { |
| let lib_name = get_lib_name(priv_dep, dylib); |
| rustc |
| .arg("--extern-private") |
| .arg(format!("{}={}", priv_dep, aux_dir.join(lib_name).to_str().unwrap())); |
| }; |
| |
| for rel_ab in &self.props.aux_builds { |
| let aux_testpaths = self.compute_aux_test_paths(rel_ab); |
| let aux_props = |
| self.props |
| .from_aux_file(&aux_testpaths.file, self.revision, self.config); |
| let aux_output = TargetLocation::ThisDirectory(self.aux_output_dir_name()); |
| let aux_cx = TestCx { |
| config: self.config, |
| props: &aux_props, |
| testpaths: &aux_testpaths, |
| revision: self.revision, |
| }; |
| // Create the directory for the stdout/stderr files. |
| create_dir_all(aux_cx.output_base_dir()).unwrap(); |
| let mut aux_rustc = aux_cx.make_compile_args(&aux_testpaths.file, aux_output); |
| |
| let (dylib, crate_type) = if aux_props.no_prefer_dynamic { |
| (true, None) |
| } else if self.config.target.contains("cloudabi") |
| || self.config.target.contains("emscripten") |
| || (self.config.target.contains("musl") |
| && !aux_props.force_host |
| && !self.config.host.contains("musl")) |
| || self.config.target.contains("wasm32") |
| || self.config.target.contains("nvptx") |
| { |
| // We primarily compile all auxiliary libraries as dynamic libraries |
| // to avoid code size bloat and large binaries as much as possible |
| // for the test suite (otherwise including libstd statically in all |
| // executables takes up quite a bit of space). |
| // |
| // For targets like MUSL or Emscripten, however, there is no support for |
| // dynamic libraries so we just go back to building a normal library. Note, |
| // however, that for MUSL if the library is built with `force_host` then |
| // it's ok to be a dylib as the host should always support dylibs. |
| (false, Some("lib")) |
| } else { |
| (true, Some("dylib")) |
| }; |
| |
| let trimmed = rel_ab.trim_end_matches(".rs").to_string(); |
| |
| // Normally, every 'extern-private' has a correspodning 'aux-build' |
| // entry. If so, we remove it from our list of private crates, |
| // and add an '--extern-private' flag to rustc |
| if extern_priv.remove_item(&trimmed).is_some() { |
| add_extern_priv(&trimmed, dylib); |
| } |
| |
| if let Some(crate_type) = crate_type { |
| aux_rustc.args(&["--crate-type", crate_type]); |
| } |
| |
| aux_rustc.arg("-L").arg(&aux_dir); |
| |
| let auxres = aux_cx.compose_and_run( |
| aux_rustc, |
| aux_cx.config.compile_lib_path.to_str().unwrap(), |
| Some(aux_dir.to_str().unwrap()), |
| None, |
| ); |
| if !auxres.status.success() { |
| self.fatal_proc_rec( |
| &format!( |
| "auxiliary build of {:?} failed to compile: ", |
| aux_testpaths.file.display() |
| ), |
| &auxres, |
| ); |
| } |
| } |
| |
| // Add any '--extern-private' entries without a matching |
| // 'aux-build' |
| for private_lib in extern_priv { |
| add_extern_priv(&private_lib, true); |
| } |
| |
| self.props.unset_rustc_env.clone() |
| .iter() |
| .fold(&mut rustc, |rustc, v| rustc.env_remove(v)); |
| rustc.envs(self.props.rustc_env.clone()); |
| self.compose_and_run( |
| rustc, |
| self.config.compile_lib_path.to_str().unwrap(), |
| Some(aux_dir.to_str().unwrap()), |
| input, |
| ) |
| } |
| |
| fn compose_and_run( |
| &self, |
| mut command: Command, |
| lib_path: &str, |
| aux_path: Option<&str>, |
| input: Option<String>, |
| ) -> ProcRes { |
| let cmdline = { |
| let cmdline = self.make_cmdline(&command, lib_path); |
| logv(self.config, format!("executing {}", cmdline)); |
| cmdline |
| }; |
| |
| command |
| .stdout(Stdio::piped()) |
| .stderr(Stdio::piped()) |
| .stdin(Stdio::piped()); |
| |
| // Need to be sure to put both the lib_path and the aux path in the dylib |
| // search path for the child. |
| let mut path = env::split_paths(&env::var_os(dylib_env_var()).unwrap_or(OsString::new())) |
| .collect::<Vec<_>>(); |
| if let Some(p) = aux_path { |
| path.insert(0, PathBuf::from(p)) |
| } |
| path.insert(0, PathBuf::from(lib_path)); |
| |
| // Add the new dylib search path var |
| let newpath = env::join_paths(&path).unwrap(); |
| command.env(dylib_env_var(), newpath); |
| |
| let mut child = disable_error_reporting(|| command.spawn()) |
| .expect(&format!("failed to exec `{:?}`", &command)); |
| if let Some(input) = input { |
| child |
| .stdin |
| .as_mut() |
| .unwrap() |
| .write_all(input.as_bytes()) |
| .unwrap(); |
| } |
| |
| let Output { |
| status, |
| stdout, |
| stderr, |
| } = read2_abbreviated(child).expect("failed to read output"); |
| |
| let result = ProcRes { |
| status, |
| stdout: String::from_utf8_lossy(&stdout).into_owned(), |
| stderr: String::from_utf8_lossy(&stderr).into_owned(), |
| cmdline, |
| }; |
| |
| self.dump_output(&result.stdout, &result.stderr); |
| |
| result |
| } |
| |
| fn make_compile_args(&self, input_file: &Path, output_file: TargetLocation) -> Command { |
| let is_rustdoc = self.config.src_base.ends_with("rustdoc-ui") || |
| self.config.src_base.ends_with("rustdoc-js"); |
| let mut rustc = if !is_rustdoc { |
| Command::new(&self.config.rustc_path) |
| } else { |
| Command::new( |
| &self |
| .config |
| .rustdoc_path |
| .clone() |
| .expect("no rustdoc built yet"), |
| ) |
| }; |
| // FIXME Why is -L here? |
| rustc.arg(input_file); //.arg("-L").arg(&self.config.build_base); |
| |
| // Use a single thread for efficiency and a deterministic error message order |
| rustc.arg("-Zthreads=1"); |
| |
| // Optionally prevent default --target if specified in test compile-flags. |
| let custom_target = self |
| .props |
| .compile_flags |
| .iter() |
| .any(|x| x.starts_with("--target")); |
| |
| if !custom_target { |
| let target = if self.props.force_host { |
| &*self.config.host |
| } else { |
| &*self.config.target |
| }; |
| |
| rustc.arg(&format!("--target={}", target)); |
| } |
| self.set_revision_flags(&mut rustc); |
| |
| if !is_rustdoc { |
| if let Some(ref incremental_dir) = self.props.incremental_dir { |
| rustc.args(&["-C", &format!("incremental={}", incremental_dir.display())]); |
| rustc.args(&["-Z", "incremental-verify-ich"]); |
| rustc.args(&["-Z", "incremental-queries"]); |
| } |
| |
| if self.config.mode == CodegenUnits { |
| rustc.args(&["-Z", "human_readable_cgu_names"]); |
| } |
| } |
| |
| match self.config.mode { |
| CompileFail | Incremental => { |
| // If we are extracting and matching errors in the new |
| // fashion, then you want JSON mode. Old-skool error |
| // patterns still match the raw compiler output. |
| if self.props.error_patterns.is_empty() { |
| rustc.args(&["--error-format", "json"]); |
| } |
| if !self.props.disable_ui_testing_normalization { |
| rustc.arg("-Zui-testing"); |
| } |
| } |
| RunPass | Ui => { |
| if !self |
| .props |
| .compile_flags |
| .iter() |
| .any(|s| s.starts_with("--error-format")) |
| { |
| rustc.args(&["--error-format", "json"]); |
| } |
| if !self.props.disable_ui_testing_normalization { |
| rustc.arg("-Zui-testing"); |
| } |
| } |
| MirOpt => { |
| rustc.args(&[ |
| "-Zdump-mir=all", |
| "-Zmir-opt-level=3", |
| "-Zdump-mir-exclude-pass-number", |
| ]); |
| |
| let mir_dump_dir = self.get_mir_dump_dir(); |
| let _ = fs::remove_dir_all(&mir_dump_dir); |
| create_dir_all(mir_dump_dir.as_path()).unwrap(); |
| let mut dir_opt = "-Zdump-mir-dir=".to_string(); |
| dir_opt.push_str(mir_dump_dir.to_str().unwrap()); |
| debug!("dir_opt: {:?}", dir_opt); |
| |
| rustc.arg(dir_opt); |
| } |
| RunFail | RunPassValgrind | Pretty | DebugInfoCdb | DebugInfoGdbLldb | DebugInfoGdb |
| | DebugInfoLldb | Codegen | Rustdoc | RunMake | CodegenUnits | JsDocTest | Assembly => { |
| // do not use JSON output |
| } |
| } |
| |
| if self.props.pass_mode == Some(PassMode::Check) { |
| assert!( |
| !self |
| .props |
| .compile_flags |
| .iter() |
| .any(|s| s.starts_with("--emit")) |
| ); |
| rustc.args(&["--emit", "metadata"]); |
| } |
| |
| if !is_rustdoc { |
| if self.config.target == "wasm32-unknown-unknown" { |
| // rustc.arg("-g"); // get any backtrace at all on errors |
| } else if !self.props.no_prefer_dynamic { |
| rustc.args(&["-C", "prefer-dynamic"]); |
| } |
| } |
| |
| match output_file { |
| TargetLocation::ThisFile(path) => { |
| rustc.arg("-o").arg(path); |
| } |
| TargetLocation::ThisDirectory(path) => { |
| if is_rustdoc { |
| // `rustdoc` uses `-o` for the output directory. |
| rustc.arg("-o").arg(path); |
| } else { |
| rustc.arg("--out-dir").arg(path); |
| } |
| } |
| } |
| |
| match self.config.compare_mode { |
| Some(CompareMode::Nll) => { |
| rustc.args(&["-Zborrowck=mir"]); |
| } |
| Some(CompareMode::Polonius) => { |
| rustc.args(&["-Zpolonius", "-Zborrowck=mir"]); |
| } |
| None => {} |
| } |
| |
| if self.props.force_host { |
| self.maybe_add_external_args(&mut rustc, |
| self.split_maybe_args(&self.config.host_rustcflags)); |
| } else { |
| self.maybe_add_external_args(&mut rustc, |
| self.split_maybe_args(&self.config.target_rustcflags)); |
| if !is_rustdoc { |
| if let Some(ref linker) = self.config.linker { |
| rustc.arg(format!("-Clinker={}", linker)); |
| } |
| } |
| } |
| |
| // Use dynamic musl for tests because static doesn't allow creating dylibs |
| if self.config.host.contains("musl") { |
| rustc.arg("-Ctarget-feature=-crt-static"); |
| } |
| |
| rustc.args(&self.props.compile_flags); |
| |
| rustc |
| } |
| |
| fn make_exe_name(&self) -> PathBuf { |
| // Using a single letter here to keep the path length down for |
| // Windows. Some test names get very long. rustc creates `rcgu` |
| // files with the module name appended to it which can more than |
| // double the length. |
| let mut f = self.output_base_dir().join("a"); |
| // FIXME: This is using the host architecture exe suffix, not target! |
| if self.config.target.contains("emscripten") { |
| f = f.with_extra_extension("js"); |
| } else if self.config.target.contains("wasm32") { |
| f = f.with_extra_extension("wasm"); |
| } else if !env::consts::EXE_SUFFIX.is_empty() { |
| f = f.with_extra_extension(env::consts::EXE_SUFFIX); |
| } |
| f |
| } |
| |
| fn make_run_args(&self) -> ProcArgs { |
| // If we've got another tool to run under (valgrind), |
| // then split apart its command |
| let mut args = self.split_maybe_args(&self.config.runtool); |
| |
| // If this is emscripten, then run tests under nodejs |
| if self.config.target.contains("emscripten") { |
| if let Some(ref p) = self.config.nodejs { |
| args.push(p.clone()); |
| } else { |
| self.fatal("no NodeJS binary found (--nodejs)"); |
| } |
| // If this is otherwise wasm, then run tests under nodejs with our |
| // shim |
| } else if self.config.target.contains("wasm32") { |
| if let Some(ref p) = self.config.nodejs { |
| args.push(p.clone()); |
| } else { |
| self.fatal("no NodeJS binary found (--nodejs)"); |
| } |
| |
| let src = self.config.src_base |
| .parent().unwrap() // chop off `run-pass` |
| .parent().unwrap() // chop off `test` |
| .parent().unwrap(); // chop off `src` |
| args.push(src.join("src/etc/wasm32-shim.js").display().to_string()); |
| } |
| |
| let exe_file = self.make_exe_name(); |
| |
| // FIXME (#9639): This needs to handle non-utf8 paths |
| args.push(exe_file.to_str().unwrap().to_owned()); |
| |
| // Add the arguments in the run_flags directive |
| args.extend(self.split_maybe_args(&self.props.run_flags)); |
| |
| let prog = args.remove(0); |
| ProcArgs { prog, args } |
| } |
| |
| fn split_maybe_args(&self, argstr: &Option<String>) -> Vec<String> { |
| match *argstr { |
| Some(ref s) => s |
| .split(' ') |
| .filter_map(|s| { |
| if s.chars().all(|c| c.is_whitespace()) { |
| None |
| } else { |
| Some(s.to_owned()) |
| } |
| }) |
| .collect(), |
| None => Vec::new(), |
| } |
| } |
| |
| fn make_cmdline(&self, command: &Command, libpath: &str) -> String { |
| use crate::util; |
| |
| // Linux and mac don't require adjusting the library search path |
| if cfg!(unix) { |
| format!("{:?}", command) |
| } else { |
| // Build the LD_LIBRARY_PATH variable as it would be seen on the command line |
| // for diagnostic purposes |
| fn lib_path_cmd_prefix(path: &str) -> String { |
| format!( |
| "{}=\"{}\"", |
| util::lib_path_env_var(), |
| util::make_new_path(path) |
| ) |
| } |
| |
| format!("{} {:?}", lib_path_cmd_prefix(libpath), command) |
| } |
| } |
| |
| fn dump_output(&self, out: &str, err: &str) { |
| let revision = if let Some(r) = self.revision { |
| format!("{}.", r) |
| } else { |
| String::new() |
| }; |
| |
| self.dump_output_file(out, &format!("{}out", revision)); |
| self.dump_output_file(err, &format!("{}err", revision)); |
| self.maybe_dump_to_stdout(out, err); |
| } |
| |
| fn dump_output_file(&self, out: &str, extension: &str) { |
| let outfile = self.make_out_name(extension); |
| fs::write(&outfile, out).unwrap(); |
| } |
| |
| /// Creates a filename for output with the given extension. |
| /// E.g., `/.../testname.revision.mode/testname.extension`. |
| fn make_out_name(&self, extension: &str) -> PathBuf { |
| self.output_base_name().with_extension(extension) |
| } |
| |
| /// Gets the directory where auxiliary files are written. |
| /// E.g., `/.../testname.revision.mode/auxiliary/`. |
| fn aux_output_dir_name(&self) -> PathBuf { |
| self.output_base_dir() |
| .join("auxiliary") |
| .with_extra_extension(self.config.mode.disambiguator()) |
| } |
| |
| /// Generates a unique name for the test, such as `testname.revision.mode`. |
| fn output_testname_unique(&self) -> PathBuf { |
| output_testname_unique(self.config, self.testpaths, self.safe_revision()) |
| } |
| |
| /// The revision, ignored for incremental compilation since it wants all revisions in |
| /// the same directory. |
| fn safe_revision(&self) -> Option<&str> { |
| if self.config.mode == Incremental { |
| None |
| } else { |
| self.revision |
| } |
| } |
| |
| /// Gets the absolute path to the directory where all output for the given |
| /// test/revision should reside. |
| /// E.g., `/path/to/build/host-triple/test/ui/relative/testname.revision.mode/`. |
| fn output_base_dir(&self) -> PathBuf { |
| output_base_dir(self.config, self.testpaths, self.safe_revision()) |
| } |
| |
| /// Gets the absolute path to the base filename used as output for the given |
| /// test/revision. |
| /// E.g., `/.../relative/testname.revision.mode/testname`. |
| fn output_base_name(&self) -> PathBuf { |
| output_base_name(self.config, self.testpaths, self.safe_revision()) |
| } |
| |
| fn maybe_dump_to_stdout(&self, out: &str, err: &str) { |
| if self.config.verbose { |
| println!("------{}------------------------------", "stdout"); |
| println!("{}", out); |
| println!("------{}------------------------------", "stderr"); |
| println!("{}", err); |
| println!("------------------------------------------"); |
| } |
| } |
| |
| fn error(&self, err: &str) { |
| match self.revision { |
| Some(rev) => println!("\nerror in revision `{}`: {}", rev, err), |
| None => println!("\nerror: {}", err), |
| } |
| } |
| |
| fn fatal(&self, err: &str) -> ! { |
| self.error(err); |
| error!("fatal error, panic: {:?}", err); |
| panic!("fatal error"); |
| } |
| |
| fn fatal_proc_rec(&self, err: &str, proc_res: &ProcRes) -> ! { |
| self.error(err); |
| proc_res.fatal(None); |
| } |
| |
| // codegen tests (using FileCheck) |
| |
| fn compile_test_and_save_ir(&self) -> ProcRes { |
| let aux_dir = self.aux_output_dir_name(); |
| |
| let output_file = TargetLocation::ThisDirectory(self.output_base_dir()); |
| let mut rustc = self.make_compile_args(&self.testpaths.file, output_file); |
| rustc.arg("-L").arg(aux_dir).arg("--emit=llvm-ir"); |
| |
| self.compose_and_run_compiler(rustc, None) |
| } |
| |
| fn compile_test_and_save_assembly(&self) -> (ProcRes, PathBuf) { |
| // This works with both `--emit asm` (as default output name for the assembly) |
| // and `ptx-linker` because the latter can write output at requested location. |
| let output_path = self.output_base_name().with_extension("s"); |
| |
| let output_file = TargetLocation::ThisFile(output_path.clone()); |
| let mut rustc = self.make_compile_args(&self.testpaths.file, output_file); |
| |
| rustc.arg("-L").arg(self.aux_output_dir_name()); |
| |
| match self.props.assembly_output.as_ref().map(AsRef::as_ref) { |
| Some("emit-asm") => { |
| rustc.arg("--emit=asm"); |
| } |
| |
| Some("ptx-linker") => { |
| // No extra flags needed. |
| } |
| |
| Some(_) => self.fatal("unknown 'assembly-output' header"), |
| None => self.fatal("missing 'assembly-output' header"), |
| } |
| |
| (self.compose_and_run_compiler(rustc, None), output_path) |
| } |
| |
| fn verify_with_filecheck(&self, output: &Path) -> ProcRes { |
| let mut filecheck = Command::new(self.config.llvm_filecheck.as_ref().unwrap()); |
| filecheck |
| .arg("--input-file") |
| .arg(output) |
| .arg(&self.testpaths.file); |
| // It would be more appropriate to make most of the arguments configurable through |
| // a comment-attribute similar to `compile-flags`. For example, --check-prefixes is a very |
| // useful flag. |
| // |
| // For now, though… |
| if let Some(rev) = self.revision { |
| let prefixes = format!("CHECK,{}", rev); |
| filecheck.args(&["--check-prefixes", &prefixes]); |
| } |
| self.compose_and_run(filecheck, "", None, None) |
| } |
| |
| fn run_codegen_test(&self) { |
| if self.config.llvm_filecheck.is_none() { |
| self.fatal("missing --llvm-filecheck"); |
| } |
| |
| let proc_res = self.compile_test_and_save_ir(); |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("compilation failed!", &proc_res); |
| } |
| |
| let output_path = self.output_base_name().with_extension("ll"); |
| let proc_res = self.verify_with_filecheck(&output_path); |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("verification with 'FileCheck' failed", &proc_res); |
| } |
| } |
| |
| fn run_assembly_test(&self) { |
| if self.config.llvm_filecheck.is_none() { |
| self.fatal("missing --llvm-filecheck"); |
| } |
| |
| let (proc_res, output_path) = self.compile_test_and_save_assembly(); |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("compilation failed!", &proc_res); |
| } |
| |
| let proc_res = self.verify_with_filecheck(&output_path); |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("verification with 'FileCheck' failed", &proc_res); |
| } |
| } |
| |
| fn charset() -> &'static str { |
| // FreeBSD 10.1 defaults to GDB 6.1.1 which doesn't support "auto" charset |
| if cfg!(target_os = "freebsd") { |
| "ISO-8859-1" |
| } else { |
| "UTF-8" |
| } |
| } |
| |
| fn run_rustdoc_test(&self) { |
| assert!(self.revision.is_none(), "revisions not relevant here"); |
| |
| let out_dir = self.output_base_dir(); |
| let _ = fs::remove_dir_all(&out_dir); |
| create_dir_all(&out_dir).unwrap(); |
| |
| let proc_res = self.document(&out_dir); |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("rustdoc failed!", &proc_res); |
| } |
| |
| if self.props.check_test_line_numbers_match { |
| self.check_rustdoc_test_option(proc_res); |
| } else { |
| let root = self.config.find_rust_src_root().unwrap(); |
| let res = self.cmd2procres( |
| Command::new(&self.config.docck_python) |
| .arg(root.join("src/etc/htmldocck.py")) |
| .arg(out_dir) |
| .arg(&self.testpaths.file), |
| ); |
| if !res.status.success() { |
| self.fatal_proc_rec("htmldocck failed!", &res); |
| } |
| } |
| } |
| |
| fn get_lines<P: AsRef<Path>>( |
| &self, |
| path: &P, |
| mut other_files: Option<&mut Vec<String>>, |
| ) -> Vec<usize> { |
| let content = fs::read_to_string(&path).unwrap(); |
| let mut ignore = false; |
| content |
| .lines() |
| .enumerate() |
| .filter_map(|(line_nb, line)| { |
| if (line.trim_start().starts_with("pub mod ") |
| || line.trim_start().starts_with("mod ")) |
| && line.ends_with(';') |
| { |
| if let Some(ref mut other_files) = other_files { |
| other_files.push(line.rsplit("mod ").next().unwrap().replace(";", "")); |
| } |
| None |
| } else { |
| let sline = line.split("///").last().unwrap_or(""); |
| let line = sline.trim_start(); |
| if line.starts_with("```") { |
| if ignore { |
| ignore = false; |
| None |
| } else { |
| ignore = true; |
| Some(line_nb + 1) |
| } |
| } else { |
| None |
| } |
| } |
| }) |
| .collect() |
| } |
| |
| fn check_rustdoc_test_option(&self, res: ProcRes) { |
| let mut other_files = Vec::new(); |
| let mut files: HashMap<String, Vec<usize>> = HashMap::new(); |
| let cwd = env::current_dir().unwrap(); |
| files.insert( |
| self.testpaths |
| .file |
| .strip_prefix(&cwd) |
| .unwrap_or(&self.testpaths.file) |
| .to_str() |
| .unwrap() |
| .replace('\\', "/"), |
| self.get_lines(&self.testpaths.file, Some(&mut other_files)), |
| ); |
| for other_file in other_files { |
| let mut path = self.testpaths.file.clone(); |
| path.set_file_name(&format!("{}.rs", other_file)); |
| files.insert( |
| path.strip_prefix(&cwd) |
| .unwrap_or(&path) |
| .to_str() |
| .unwrap() |
| .replace('\\', "/"), |
| self.get_lines(&path, None), |
| ); |
| } |
| |
| let mut tested = 0; |
| for _ in res |
| .stdout |
| .split('\n') |
| .filter(|s| s.starts_with("test ")) |
| .inspect(|s| { |
| let tmp: Vec<&str> = s.split(" - ").collect(); |
| if tmp.len() == 2 { |
| let path = tmp[0].rsplit("test ").next().unwrap(); |
| if let Some(ref mut v) = files.get_mut(&path.replace('\\', "/")) { |
| tested += 1; |
| let mut iter = tmp[1].split("(line "); |
| iter.next(); |
| let line = iter |
| .next() |
| .unwrap_or(")") |
| .split(')') |
| .next() |
| .unwrap_or("0") |
| .parse() |
| .unwrap_or(0); |
| if let Ok(pos) = v.binary_search(&line) { |
| v.remove(pos); |
| } else { |
| self.fatal_proc_rec( |
| &format!("Not found doc test: \"{}\" in \"{}\":{:?}", s, path, v), |
| &res, |
| ); |
| } |
| } |
| } |
| }) {} |
| if tested == 0 { |
| self.fatal_proc_rec(&format!("No test has been found... {:?}", files), &res); |
| } else { |
| for (entry, v) in &files { |
| if !v.is_empty() { |
| self.fatal_proc_rec( |
| &format!( |
| "Not found test at line{} \"{}\":{:?}", |
| if v.len() > 1 { "s" } else { "" }, |
| entry, |
| v |
| ), |
| &res, |
| ); |
| } |
| } |
| } |
| } |
| |
| fn run_codegen_units_test(&self) { |
| assert!(self.revision.is_none(), "revisions not relevant here"); |
| |
| let proc_res = self.compile_test(); |
| |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("compilation failed!", &proc_res); |
| } |
| |
| self.check_no_compiler_crash(&proc_res); |
| |
| const PREFIX: &'static str = "MONO_ITEM "; |
| const CGU_MARKER: &'static str = "@@"; |
| |
| let actual: Vec<MonoItem> = proc_res |
| .stdout |
| .lines() |
| .filter(|line| line.starts_with(PREFIX)) |
| .map(|line| str_to_mono_item(line, true)) |
| .collect(); |
| |
| let expected: Vec<MonoItem> = errors::load_errors(&self.testpaths.file, None) |
| .iter() |
| .map(|e| str_to_mono_item(&e.msg[..], false)) |
| .collect(); |
| |
| let mut missing = Vec::new(); |
| let mut wrong_cgus = Vec::new(); |
| |
| for expected_item in &expected { |
| let actual_item_with_same_name = actual.iter().find(|ti| ti.name == expected_item.name); |
| |
| if let Some(actual_item) = actual_item_with_same_name { |
| if !expected_item.codegen_units.is_empty() && |
| // Also check for codegen units |
| expected_item.codegen_units != actual_item.codegen_units |
| { |
| wrong_cgus.push((expected_item.clone(), actual_item.clone())); |
| } |
| } else { |
| missing.push(expected_item.string.clone()); |
| } |
| } |
| |
| let unexpected: Vec<_> = actual |
| .iter() |
| .filter(|acgu| !expected.iter().any(|ecgu| acgu.name == ecgu.name)) |
| .map(|acgu| acgu.string.clone()) |
| .collect(); |
| |
| if !missing.is_empty() { |
| missing.sort(); |
| |
| println!("\nThese items should have been contained but were not:\n"); |
| |
| for item in &missing { |
| println!("{}", item); |
| } |
| |
| println!("\n"); |
| } |
| |
| if !unexpected.is_empty() { |
| let sorted = { |
| let mut sorted = unexpected.clone(); |
| sorted.sort(); |
| sorted |
| }; |
| |
| println!("\nThese items were contained but should not have been:\n"); |
| |
| for item in sorted { |
| println!("{}", item); |
| } |
| |
| println!("\n"); |
| } |
| |
| if !wrong_cgus.is_empty() { |
| wrong_cgus.sort_by_key(|pair| pair.0.name.clone()); |
| println!("\nThe following items were assigned to wrong codegen units:\n"); |
| |
| for &(ref expected_item, ref actual_item) in &wrong_cgus { |
| println!("{}", expected_item.name); |
| println!( |
| " expected: {}", |
| codegen_units_to_str(&expected_item.codegen_units) |
| ); |
| println!( |
| " actual: {}", |
| codegen_units_to_str(&actual_item.codegen_units) |
| ); |
| println!(""); |
| } |
| } |
| |
| if !(missing.is_empty() && unexpected.is_empty() && wrong_cgus.is_empty()) { |
| panic!(); |
| } |
| |
| #[derive(Clone, Eq, PartialEq)] |
| struct MonoItem { |
| name: String, |
| codegen_units: HashSet<String>, |
| string: String, |
| } |
| |
| // [MONO_ITEM] name [@@ (cgu)+] |
| fn str_to_mono_item(s: &str, cgu_has_crate_disambiguator: bool) -> MonoItem { |
| let s = if s.starts_with(PREFIX) { |
| (&s[PREFIX.len()..]).trim() |
| } else { |
| s.trim() |
| }; |
| |
| let full_string = format!("{}{}", PREFIX, s); |
| |
| let parts: Vec<&str> = s |
| .split(CGU_MARKER) |
| .map(str::trim) |
| .filter(|s| !s.is_empty()) |
| .collect(); |
| |
| let name = parts[0].trim(); |
| |
| let cgus = if parts.len() > 1 { |
| let cgus_str = parts[1]; |
| |
| cgus_str |
| .split(' ') |
| .map(str::trim) |
| .filter(|s| !s.is_empty()) |
| .map(|s| { |
| if cgu_has_crate_disambiguator { |
| remove_crate_disambiguator_from_cgu(s) |
| } else { |
| s.to_string() |
| } |
| }) |
| .collect() |
| } else { |
| HashSet::new() |
| }; |
| |
| MonoItem { |
| name: name.to_owned(), |
| codegen_units: cgus, |
| string: full_string, |
| } |
| } |
| |
| fn codegen_units_to_str(cgus: &HashSet<String>) -> String { |
| let mut cgus: Vec<_> = cgus.iter().collect(); |
| cgus.sort(); |
| |
| let mut string = String::new(); |
| for cgu in cgus { |
| string.push_str(&cgu[..]); |
| string.push_str(" "); |
| } |
| |
| string |
| } |
| |
| // Given a cgu-name-prefix of the form <crate-name>.<crate-disambiguator> or |
| // the form <crate-name1>.<crate-disambiguator1>-in-<crate-name2>.<crate-disambiguator2>, |
| // remove all crate-disambiguators. |
| fn remove_crate_disambiguator_from_cgu(cgu: &str) -> String { |
| lazy_static! { |
| static ref RE: Regex = Regex::new( |
| r"^[^\.]+(?P<d1>\.[[:alnum:]]+)(-in-[^\.]+(?P<d2>\.[[:alnum:]]+))?" |
| ).unwrap(); |
| } |
| |
| let captures = RE.captures(cgu).unwrap_or_else(|| { |
| panic!("invalid cgu name encountered: {}", cgu) |
| }); |
| |
| let mut new_name = cgu.to_owned(); |
| |
| if let Some(d2) = captures.name("d2") { |
| new_name.replace_range(d2.start() .. d2.end(), ""); |
| } |
| |
| let d1 = captures.name("d1").unwrap(); |
| new_name.replace_range(d1.start() .. d1.end(), ""); |
| |
| new_name |
| } |
| } |
| |
| fn init_incremental_test(&self) { |
| // (See `run_incremental_test` for an overview of how incremental tests work.) |
| |
| // Before any of the revisions have executed, create the |
| // incremental workproduct directory. Delete any old |
| // incremental work products that may be there from prior |
| // runs. |
| let incremental_dir = self.incremental_dir(); |
| if incremental_dir.exists() { |
| // Canonicalizing the path will convert it to the //?/ format |
| // on Windows, which enables paths longer than 260 character |
| let canonicalized = incremental_dir.canonicalize().unwrap(); |
| fs::remove_dir_all(canonicalized).unwrap(); |
| } |
| fs::create_dir_all(&incremental_dir).unwrap(); |
| |
| if self.config.verbose { |
| print!( |
| "init_incremental_test: incremental_dir={}", |
| incremental_dir.display() |
| ); |
| } |
| } |
| |
| fn run_incremental_test(&self) { |
| // Basic plan for a test incremental/foo/bar.rs: |
| // - load list of revisions rpass1, cfail2, rpass3 |
| // - each should begin with `rpass`, `cfail`, or `rfail` |
| // - if `rpass`, expect compile and execution to succeed |
| // - if `cfail`, expect compilation to fail |
| // - if `rfail`, expect execution to fail |
| // - create a directory build/foo/bar.incremental |
| // - compile foo/bar.rs with -Z incremental=.../foo/bar.incremental and -C rpass1 |
| // - because name of revision starts with "rpass", expect success |
| // - compile foo/bar.rs with -Z incremental=.../foo/bar.incremental and -C cfail2 |
| // - because name of revision starts with "cfail", expect an error |
| // - load expected errors as usual, but filter for those that end in `[rfail2]` |
| // - compile foo/bar.rs with -Z incremental=.../foo/bar.incremental and -C rpass3 |
| // - because name of revision starts with "rpass", expect success |
| // - execute build/foo/bar.exe and save output |
| // |
| // FIXME -- use non-incremental mode as an oracle? That doesn't apply |
| // to #[rustc_dirty] and clean tests I guess |
| |
| let revision = self |
| .revision |
| .expect("incremental tests require a list of revisions"); |
| |
| // Incremental workproduct directory should have already been created. |
| let incremental_dir = self.incremental_dir(); |
| assert!( |
| incremental_dir.exists(), |
| "init_incremental_test failed to create incremental dir" |
| ); |
| |
| // Add an extra flag pointing at the incremental directory. |
| let mut revision_props = self.props.clone(); |
| revision_props.incremental_dir = Some(incremental_dir); |
| |
| let revision_cx = TestCx { |
| config: self.config, |
| props: &revision_props, |
| testpaths: self.testpaths, |
| revision: self.revision, |
| }; |
| |
| if self.config.verbose { |
| print!( |
| "revision={:?} revision_props={:#?}", |
| revision, revision_props |
| ); |
| } |
| |
| if revision.starts_with("rpass") { |
| revision_cx.run_rpass_test(); |
| } else if revision.starts_with("rfail") { |
| revision_cx.run_rfail_test(); |
| } else if revision.starts_with("cfail") { |
| revision_cx.run_cfail_test(); |
| } else { |
| revision_cx.fatal("revision name must begin with rpass, rfail, or cfail"); |
| } |
| } |
| |
| /// Directory where incremental work products are stored. |
| fn incremental_dir(&self) -> PathBuf { |
| self.output_base_name().with_extension("inc") |
| } |
| |
| fn run_rmake_test(&self) { |
| let cwd = env::current_dir().unwrap(); |
| let src_root = self |
| .config |
| .src_base |
| .parent() |
| .unwrap() |
| .parent() |
| .unwrap() |
| .parent() |
| .unwrap(); |
| let src_root = cwd.join(&src_root); |
| |
| let tmpdir = cwd.join(self.output_base_name()); |
| if tmpdir.exists() { |
| self.aggressive_rm_rf(&tmpdir).unwrap(); |
| } |
| create_dir_all(&tmpdir).unwrap(); |
| |
| let host = &self.config.host; |
| let make = if host.contains("dragonfly") |
| || host.contains("freebsd") |
| || host.contains("netbsd") |
| || host.contains("openbsd") |
| { |
| "gmake" |
| } else { |
| "make" |
| }; |
| |
| let mut cmd = Command::new(make); |
| cmd.current_dir(&self.testpaths.file) |
| .stdout(Stdio::piped()) |
| .stderr(Stdio::piped()) |
| .env("TARGET", &self.config.target) |
| .env("PYTHON", &self.config.docck_python) |
| .env("S", src_root) |
| .env("RUST_BUILD_STAGE", &self.config.stage_id) |
| .env("RUSTC", cwd.join(&self.config.rustc_path)) |
| .env("TMPDIR", &tmpdir) |
| .env("LD_LIB_PATH_ENVVAR", dylib_env_var()) |
| .env("HOST_RPATH_DIR", cwd.join(&self.config.compile_lib_path)) |
| .env("TARGET_RPATH_DIR", cwd.join(&self.config.run_lib_path)) |
| .env("LLVM_COMPONENTS", &self.config.llvm_components) |
| .env("LLVM_CXXFLAGS", &self.config.llvm_cxxflags) |
| |
| // We for sure don't want these tests to run in parallel, so make |
| // sure they don't have access to these vars if we run via `make` |
| // at the top level |
| .env_remove("MAKEFLAGS") |
| .env_remove("MFLAGS") |
| .env_remove("CARGO_MAKEFLAGS"); |
| |
| if let Some(ref rustdoc) = self.config.rustdoc_path { |
| cmd.env("RUSTDOC", cwd.join(rustdoc)); |
| } |
| |
| if let Some(ref node) = self.config.nodejs { |
| cmd.env("NODE", node); |
| } |
| |
| if let Some(ref linker) = self.config.linker { |
| cmd.env("RUSTC_LINKER", linker); |
| } |
| |
| if let Some(ref clang) = self.config.run_clang_based_tests_with { |
| cmd.env("CLANG", clang); |
| } |
| |
| if let Some(ref filecheck) = self.config.llvm_filecheck { |
| cmd.env("LLVM_FILECHECK", filecheck); |
| } |
| |
| if let Some(ref llvm_bin_dir) = self.config.llvm_bin_dir { |
| cmd.env("LLVM_BIN_DIR", llvm_bin_dir); |
| } |
| |
| // We don't want RUSTFLAGS set from the outside to interfere with |
| // compiler flags set in the test cases: |
| cmd.env_remove("RUSTFLAGS"); |
| |
| // Use dynamic musl for tests because static doesn't allow creating dylibs |
| if self.config.host.contains("musl") { |
| cmd.env("RUSTFLAGS", "-Ctarget-feature=-crt-static") |
| .env("IS_MUSL_HOST", "1"); |
| } |
| |
| if self.config.target.contains("msvc") && self.config.cc != "" { |
| // We need to pass a path to `lib.exe`, so assume that `cc` is `cl.exe` |
| // and that `lib.exe` lives next to it. |
| let lib = Path::new(&self.config.cc).parent().unwrap().join("lib.exe"); |
| |
| // MSYS doesn't like passing flags of the form `/foo` as it thinks it's |
| // a path and instead passes `C:\msys64\foo`, so convert all |
| // `/`-arguments to MSVC here to `-` arguments. |
| let cflags = self |
| .config |
| .cflags |
| .split(' ') |
| .map(|s| s.replace("/", "-")) |
| .collect::<Vec<_>>() |
| .join(" "); |
| |
| cmd.env("IS_MSVC", "1") |
| .env("IS_WINDOWS", "1") |
| .env("MSVC_LIB", format!("'{}' -nologo", lib.display())) |
| .env("CC", format!("'{}' {}", self.config.cc, cflags)) |
| .env("CXX", format!("'{}'", &self.config.cxx)); |
| } else { |
| cmd.env("CC", format!("{} {}", self.config.cc, self.config.cflags)) |
| .env("CXX", format!("{} {}", self.config.cxx, self.config.cflags)) |
| .env("AR", &self.config.ar); |
| |
| if self.config.target.contains("windows") { |
| cmd.env("IS_WINDOWS", "1"); |
| } |
| } |
| |
| let output = cmd |
| .spawn() |
| .and_then(read2_abbreviated) |
| .expect("failed to spawn `make`"); |
| if !output.status.success() { |
| let res = ProcRes { |
| status: output.status, |
| stdout: String::from_utf8_lossy(&output.stdout).into_owned(), |
| stderr: String::from_utf8_lossy(&output.stderr).into_owned(), |
| cmdline: format!("{:?}", cmd), |
| }; |
| self.fatal_proc_rec("make failed", &res); |
| } |
| } |
| |
| fn aggressive_rm_rf(&self, path: &Path) -> io::Result<()> { |
| for e in path.read_dir()? { |
| let entry = e?; |
| let path = entry.path(); |
| if entry.file_type()?.is_dir() { |
| self.aggressive_rm_rf(&path)?; |
| } else { |
| // Remove readonly files as well on windows (by default we can't) |
| fs::remove_file(&path).or_else(|e| { |
| if cfg!(windows) && e.kind() == io::ErrorKind::PermissionDenied { |
| let mut meta = entry.metadata()?.permissions(); |
| meta.set_readonly(false); |
| fs::set_permissions(&path, meta)?; |
| fs::remove_file(&path) |
| } else { |
| Err(e) |
| } |
| })?; |
| } |
| } |
| fs::remove_dir(path) |
| } |
| |
| fn run_js_doc_test(&self) { |
| if let Some(nodejs) = &self.config.nodejs { |
| let out_dir = self.output_base_dir(); |
| |
| self.document(&out_dir); |
| |
| let root = self.config.find_rust_src_root().unwrap(); |
| let res = self.cmd2procres( |
| Command::new(&nodejs) |
| .arg(root.join("src/tools/rustdoc-js/tester.js")) |
| .arg(out_dir.parent().expect("no parent")) |
| .arg(&self.testpaths.file.file_stem().expect("couldn't get file stem")), |
| ); |
| if !res.status.success() { |
| self.fatal_proc_rec("rustdoc-js test failed!", &res); |
| } |
| } else { |
| self.fatal("no nodeJS"); |
| } |
| } |
| |
| fn run_ui_test(&self) { |
| // if the user specified a format in the ui test |
| // print the output to the stderr file, otherwise extract |
| // the rendered error messages from json and print them |
| let explicit = self |
| .props |
| .compile_flags |
| .iter() |
| .any(|s| s.contains("--error-format")); |
| let proc_res = self.compile_test(); |
| self.check_if_test_should_compile(&proc_res); |
| |
| let expected_stderr = self.load_expected_output(UI_STDERR); |
| let expected_stdout = self.load_expected_output(UI_STDOUT); |
| let expected_fixed = self.load_expected_output(UI_FIXED); |
| |
| let normalized_stdout = |
| self.normalize_output(&proc_res.stdout, &self.props.normalize_stdout); |
| |
| let stderr = if explicit { |
| proc_res.stderr.clone() |
| } else { |
| json::extract_rendered(&proc_res.stderr) |
| }; |
| |
| let normalized_stderr = self.normalize_output(&stderr, &self.props.normalize_stderr); |
| |
| let mut errors = 0; |
| if !self.props.dont_check_compiler_stdout { |
| errors += self.compare_output("stdout", &normalized_stdout, &expected_stdout); |
| } |
| if !self.props.dont_check_compiler_stderr { |
| errors += self.compare_output("stderr", &normalized_stderr, &expected_stderr); |
| } |
| |
| let modes_to_prune = vec![CompareMode::Nll]; |
| self.prune_duplicate_outputs(&modes_to_prune); |
| |
| if self.config.compare_mode.is_some() { |
| // don't test rustfix with nll right now |
| } else if self.config.rustfix_coverage { |
| // Find out which tests have `MachineApplicable` suggestions but are missing |
| // `run-rustfix` or `run-rustfix-only-machine-applicable` headers. |
| // |
| // This will return an empty `Vec` in case the executed test file has a |
| // `compile-flags: --error-format=xxxx` header with a value other than `json`. |
| let suggestions = get_suggestions_from_json( |
| &proc_res.stderr, |
| &HashSet::new(), |
| Filter::MachineApplicableOnly |
| ).unwrap_or_default(); |
| if suggestions.len() > 0 |
| && !self.props.run_rustfix |
| && !self.props.rustfix_only_machine_applicable { |
| let mut coverage_file_path = self.config.build_base.clone(); |
| coverage_file_path.push("rustfix_missing_coverage.txt"); |
| debug!("coverage_file_path: {}", coverage_file_path.display()); |
| |
| let mut file = OpenOptions::new() |
| .create(true) |
| .append(true) |
| .open(coverage_file_path.as_path()) |
| .expect("could not create or open file"); |
| |
| if let Err(_) = writeln!(file, "{}", self.testpaths.file.display()) { |
| panic!("couldn't write to {}", coverage_file_path.display()); |
| } |
| } |
| } else if self.props.run_rustfix { |
| // Apply suggestions from rustc to the code itself |
| let unfixed_code = self |
| .load_expected_output_from_path(&self.testpaths.file) |
| .unwrap(); |
| let suggestions = get_suggestions_from_json( |
| &proc_res.stderr, |
| &HashSet::new(), |
| if self.props.rustfix_only_machine_applicable { |
| Filter::MachineApplicableOnly |
| } else { |
| Filter::Everything |
| }, |
| ).unwrap(); |
| let fixed_code = apply_suggestions(&unfixed_code, &suggestions).expect(&format!( |
| "failed to apply suggestions for {:?} with rustfix", |
| self.testpaths.file |
| )); |
| |
| errors += self.compare_output("fixed", &fixed_code, &expected_fixed); |
| } else if !expected_fixed.is_empty() { |
| panic!( |
| "the `// run-rustfix` directive wasn't found but a `*.fixed` \ |
| file was found" |
| ); |
| } |
| |
| if errors > 0 { |
| println!("To update references, rerun the tests and pass the `--bless` flag"); |
| let relative_path_to_file = self |
| .testpaths |
| .relative_dir |
| .join(self.testpaths.file.file_name().unwrap()); |
| println!( |
| "To only update this specific test, also pass `--test-args {}`", |
| relative_path_to_file.display(), |
| ); |
| self.fatal_proc_rec( |
| &format!("{} errors occurred comparing output.", errors), |
| &proc_res, |
| ); |
| } |
| |
| let expected_errors = errors::load_errors(&self.testpaths.file, self.revision); |
| |
| if self.should_run_successfully() { |
| let proc_res = self.exec_compiled_test(); |
| |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("test run failed!", &proc_res); |
| } |
| } |
| |
| debug!("run_ui_test: explicit={:?} config.compare_mode={:?} expected_errors={:?} \ |
| proc_res.status={:?} props.error_patterns={:?}", |
| explicit, self.config.compare_mode, expected_errors, proc_res.status, |
| self.props.error_patterns); |
| if !explicit && self.config.compare_mode.is_none() { |
| if !proc_res.status.success() { |
| if !self.props.error_patterns.is_empty() { |
| // "// error-pattern" comments |
| self.check_error_patterns(&proc_res.stderr, &proc_res); |
| } else { |
| // "//~ERROR comments" |
| self.check_expected_errors(expected_errors, &proc_res); |
| } |
| } |
| } |
| |
| if self.props.run_rustfix && self.config.compare_mode.is_none() { |
| // And finally, compile the fixed code and make sure it both |
| // succeeds and has no diagnostics. |
| let mut rustc = self.make_compile_args( |
| &self.testpaths.file.with_extension(UI_FIXED), |
| TargetLocation::ThisFile(self.make_exe_name()), |
| ); |
| rustc.arg("-L").arg(&self.aux_output_dir_name()); |
| let res = self.compose_and_run_compiler(rustc, None); |
| if !res.status.success() { |
| self.fatal_proc_rec("failed to compile fixed code", &res); |
| } |
| if !res.stderr.is_empty() && !self.props.rustfix_only_machine_applicable { |
| self.fatal_proc_rec("fixed code is still producing diagnostics", &res); |
| } |
| } |
| } |
| |
| fn run_mir_opt_test(&self) { |
| let proc_res = self.compile_test(); |
| |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("compilation failed!", &proc_res); |
| } |
| |
| let proc_res = self.exec_compiled_test(); |
| |
| if !proc_res.status.success() { |
| self.fatal_proc_rec("test run failed!", &proc_res); |
| } |
| self.check_mir_dump(); |
| } |
| |
| fn check_mir_dump(&self) { |
| let test_file_contents = fs::read_to_string(&self.testpaths.file).unwrap(); |
| if let Some(idx) = test_file_contents.find("// END RUST SOURCE") { |
| let (_, tests_text) = test_file_contents.split_at(idx + "// END_RUST SOURCE".len()); |
| let tests_text_str = String::from(tests_text); |
| let mut curr_test: Option<&str> = None; |
| let mut curr_test_contents = vec![ExpectedLine::Elision]; |
| for l in tests_text_str.lines() { |
| debug!("line: {:?}", l); |
| if l.starts_with("// START ") { |
| let (_, t) = l.split_at("// START ".len()); |
| curr_test = Some(t); |
| } else if l.starts_with("// END") { |
| let (_, t) = l.split_at("// END ".len()); |
| if Some(t) != curr_test { |
| panic!("mismatched START END test name"); |
| } |
| self.compare_mir_test_output(curr_test.unwrap(), &curr_test_contents); |
| curr_test = None; |
| curr_test_contents.clear(); |
| curr_test_contents.push(ExpectedLine::Elision); |
| } else if l.is_empty() { |
| // ignore |
| } else if l.starts_with("//") && l.split_at("//".len()).1.trim() == "..." { |
| curr_test_contents.push(ExpectedLine::Elision) |
| } else if l.starts_with("// ") { |
| let (_, test_content) = l.split_at("// ".len()); |
| curr_test_contents.push(ExpectedLine::Text(test_content)); |
| } |
| } |
| } |
| } |
| |
| fn check_mir_test_timestamp(&self, test_name: &str, output_file: &Path) { |
| let t = |file| fs::metadata(file).unwrap().modified().unwrap(); |
| let source_file = &self.testpaths.file; |
| let output_time = t(output_file); |
| let source_time = t(source_file); |
| if source_time > output_time { |
| debug!( |
| "source file time: {:?} output file time: {:?}", |
| source_time, output_time |
| ); |
| panic!( |
| "test source file `{}` is newer than potentially stale output file `{}`.", |
| source_file.display(), |
| test_name |
| ); |
| } |
| } |
| |
| fn compare_mir_test_output(&self, test_name: &str, expected_content: &[ExpectedLine<&str>]) { |
| let mut output_file = PathBuf::new(); |
| output_file.push(self.get_mir_dump_dir()); |
| output_file.push(test_name); |
| debug!("comparing the contests of: {:?}", output_file); |
| debug!("with: {:?}", expected_content); |
| if !output_file.exists() { |
| panic!( |
| "Output file `{}` from test does not exist", |
| output_file.into_os_string().to_string_lossy() |
| ); |
| } |
| self.check_mir_test_timestamp(test_name, &output_file); |
| |
| let dumped_string = fs::read_to_string(&output_file).unwrap(); |
| let mut dumped_lines = dumped_string |
| .lines() |
| .map(|l| nocomment_mir_line(l)) |
| .filter(|l| !l.is_empty()); |
| let mut expected_lines = expected_content |
| .iter() |
| .filter(|&l| { |
| if let &ExpectedLine::Text(l) = l { |
| !l.is_empty() |
| } else { |
| true |
| } |
| }) |
| .peekable(); |
| |
| let compare = |expected_line, dumped_line| { |
| let e_norm = normalize_mir_line(expected_line); |
| let d_norm = normalize_mir_line(dumped_line); |
| debug!("found: {:?}", d_norm); |
| debug!("expected: {:?}", e_norm); |
| e_norm == d_norm |
| }; |
| |
| let error = |expected_line, extra_msg| { |
| let normalize_all = dumped_string |
| .lines() |
| .map(nocomment_mir_line) |
| .filter(|l| !l.is_empty()) |
| .collect::<Vec<_>>() |
| .join("\n"); |
| let f = |l: &ExpectedLine<_>| match l { |
| &ExpectedLine::Elision => "... (elided)".into(), |
| &ExpectedLine::Text(t) => t, |
| }; |
| let expected_content = expected_content |
| .iter() |
| .map(|l| f(l)) |
| .collect::<Vec<_>>() |
| .join("\n"); |
| panic!( |
| "Did not find expected line, error: {}\n\ |
| Expected Line: {:?}\n\ |
| Test Name: {}\n\ |
| Expected:\n{}\n\ |
| Actual:\n{}", |
| extra_msg, expected_line, test_name, expected_content, normalize_all |
| ); |
| }; |
| |
| // We expect each non-empty line to appear consecutively, non-consecutive lines |
| // must be separated by at least one Elision |
| let mut start_block_line = None; |
| while let Some(dumped_line) = dumped_lines.next() { |
| match expected_lines.next() { |
| Some(&ExpectedLine::Text(expected_line)) => { |
| let normalized_expected_line = normalize_mir_line(expected_line); |
| if normalized_expected_line.contains(":{") { |
| start_block_line = Some(expected_line); |
| } |
| |
| if !compare(expected_line, dumped_line) { |
| error!("{:?}", start_block_line); |
| error( |
| expected_line, |
| format!( |
| "Mismatch in lines\n\ |
| Current block: {}\n\ |
| Actual Line: {:?}", |
| start_block_line.unwrap_or("None"), |
| dumped_line |
| ), |
| ); |
| } |
| } |
| Some(&ExpectedLine::Elision) => { |
| // skip any number of elisions in a row. |
| while let Some(&&ExpectedLine::Elision) = expected_lines.peek() { |
| expected_lines.next(); |
| } |
| if let Some(&ExpectedLine::Text(expected_line)) = expected_lines.next() { |
| let mut found = compare(expected_line, dumped_line); |
| if found { |
| continue; |
| } |
| while let Some(dumped_line) = dumped_lines.next() { |
| found = compare(expected_line, dumped_line); |
| if found { |
| break; |
| } |
| } |
| if !found { |
| error(expected_line, "ran out of mir dump to match against".into()); |
| } |
| } |
| } |
| None => {} |
| } |
| } |
| } |
| |
| fn get_mir_dump_dir(&self) -> PathBuf { |
| let mut mir_dump_dir = PathBuf::from(self.config.build_base.as_path()); |
| debug!("input_file: {:?}", self.testpaths.file); |
| mir_dump_dir.push(&self.testpaths.relative_dir); |
| mir_dump_dir.push(self.testpaths.file.file_stem().unwrap()); |
| mir_dump_dir |
| } |
| |
| fn normalize_output(&self, output: &str, custom_rules: &[(String, String)]) -> String { |
| let cflags = self.props.compile_flags.join(" "); |
| let json = cflags.contains("--error-format json") |
| || cflags.contains("--error-format pretty-json") |
| || cflags.contains("--error-format=json") |
| || cflags.contains("--error-format=pretty-json"); |
| |
| let mut normalized = output.to_string(); |
| |
| let mut normalize_path = |from: &Path, to: &str| { |
| let mut from = from.display().to_string(); |
| if json { |
| from = from.replace("\\", "\\\\"); |
| } |
| normalized = normalized.replace(&from, to); |
| }; |
| |
| let parent_dir = self.testpaths.file.parent().unwrap(); |
| normalize_path(parent_dir, "$DIR"); |
| |
| // Paths into the libstd/libcore |
| let src_dir = self.config.src_base.parent().unwrap().parent().unwrap(); |
| normalize_path(src_dir, "$SRC_DIR"); |
| |
| // Paths into the build directory |
| let test_build_dir = &self.config.build_base; |
| let parent_build_dir = test_build_dir.parent().unwrap().parent().unwrap().parent().unwrap(); |
| |
| // eg. /home/user/rust/build/x86_64-unknown-linux-gnu/test/ui |
| normalize_path(test_build_dir, "$TEST_BUILD_DIR"); |
| // eg. /home/user/rust/build |
| normalize_path(parent_build_dir, "$BUILD_DIR"); |
| |
| // Paths into lib directory. |
| normalize_path(&parent_build_dir.parent().unwrap().join("lib"), "$LIB_DIR"); |
| |
| if json { |
| // escaped newlines in json strings should be readable |
| // in the stderr files. There's no point int being correct, |
| // since only humans process the stderr files. |
| // Thus we just turn escaped newlines back into newlines. |
| normalized = normalized.replace("\\n", "\n"); |
| } |
| |
| // If there are `$SRC_DIR` normalizations with line and column numbers, then replace them |
| // with placeholders as we do not want tests needing updated when compiler source code |
| // changes. |
| // eg. $SRC_DIR/libcore/mem.rs:323:14 becomes $SRC_DIR/libcore/mem.rs:LL:COL |
| normalized = Regex::new("SRC_DIR(.+):\\d+:\\d+").unwrap() |
| .replace_all(&normalized, "SRC_DIR$1:LL:COL").into_owned(); |
| |
| normalized = Self::normalize_platform_differences(&normalized); |
| normalized = normalized.replace("\t", "\\t"); // makes tabs visible |
| |
| // Remove test annotations like `//~ ERROR text` from the output, |
| // since they duplicate actual errors and make the output hard to read. |
| normalized = Regex::new("\\s*//(\\[.*\\])?~.*").unwrap() |
| .replace_all(&normalized, "").into_owned(); |
| |
| for rule in custom_rules { |
| let re = Regex::new(&rule.0).expect("bad regex in custom normalization rule"); |
| normalized = re.replace_all(&normalized, &rule.1[..]).into_owned(); |
| } |
| normalized |
| } |
| |
| /// Normalize output differences across platforms. Generally changes Windows output to be more |
| /// Unix-like. |
| /// |
| /// Replaces backslashes in paths with forward slashes, and replaces CRLF line endings |
| /// with LF. |
| fn normalize_platform_differences(output: &str) -> String { |
| lazy_static! { |
| /// Used to find Windows paths. |
| /// |
| /// It's not possible to detect paths in the error messages generally, but this is a |
| /// decent enough heuristic. |
| static ref PATH_BACKSLASH_RE: Regex = Regex::new(r#"(?x) |
| (?: |
| # Match paths that don't include spaces. |
| (?:\\[\pL\pN\.\-_']+)+\.\pL+ |
| | |
| # If the path starts with a well-known root, then allow spaces. |
| \$(?:DIR|SRC_DIR|TEST_BUILD_DIR|BUILD_DIR|LIB_DIR)(?:\\[\pL\pN\.\-_' ]+)+ |
| )"# |
| ).unwrap(); |
| } |
| |
| let output = output.replace(r"\\", r"\"); |
| |
| PATH_BACKSLASH_RE.replace_all(&output, |caps: &Captures<'_>| { |
| println!("{}", &caps[0]); |
| caps[0].replace(r"\", "/") |
| }).replace("\r\n", "\n") |
| } |
| |
| fn expected_output_path(&self, kind: &str) -> PathBuf { |
| let mut path = expected_output_path( |
| &self.testpaths, |
| self.revision, |
| &self.config.compare_mode, |
| kind, |
| ); |
| |
| if !path.exists() { |
| if let Some(CompareMode::Polonius) = self.config.compare_mode { |
| path = expected_output_path( |
| &self.testpaths, |
| self.revision, |
| &Some(CompareMode::Nll), |
| kind, |
| ); |
| } |
| } |
| |
| if !path.exists() { |
| path = expected_output_path(&self.testpaths, self.revision, &None, kind); |
| } |
| |
| path |
| } |
| |
| fn load_expected_output(&self, kind: &str) -> String { |
| let path = self.expected_output_path(kind); |
| if path.exists() { |
| match self.load_expected_output_from_path(&path) { |
| Ok(x) => x, |
| Err(x) => self.fatal(&x), |
| } |
| } else { |
| String::new() |
| } |
| } |
| |
| fn load_expected_output_from_path(&self, path: &Path) -> Result<String, String> { |
| fs::read_to_string(path).map_err(|err| { |
| format!("failed to load expected output from `{}`: {}", path.display(), err) |
| }) |
| } |
| |
| fn delete_file(&self, file: &PathBuf) { |
| if let Err(e) = fs::remove_file(file) { |
| self.fatal(&format!( |
| "failed to delete `{}`: {}", |
| file.display(), |
| e, |
| )); |
| } |
| } |
| |
| fn compare_output(&self, kind: &str, actual: &str, expected: &str) -> usize { |
| if actual == expected { |
| return 0; |
| } |
| |
| if !self.config.bless { |
| if expected.is_empty() { |
| println!("normalized {}:\n{}\n", kind, actual); |
| } else { |
| println!("diff of {}:\n", kind); |
| let diff_results = make_diff(expected, actual, 3); |
| for result in diff_results { |
| let mut line_number = result.line_number; |
| for line in result.lines { |
| match line { |
| DiffLine::Expected(e) => { |
| println!("-\t{}", e); |
| line_number += 1; |
| } |
| DiffLine::Context(c) => { |
| println!("{}\t{}", line_number, c); |
| line_number += 1; |
| } |
| DiffLine::Resulting(r) => { |
| println!("+\t{}", r); |
| } |
| } |
| } |
| println!(""); |
| } |
| } |
| } |
| |
| let mode = self.config.compare_mode.as_ref().map_or("", |m| m.to_str()); |
| let output_file = self |
| .output_base_name() |
| .with_extra_extension(self.revision.unwrap_or("")) |
| .with_extra_extension(mode) |
| .with_extra_extension(kind); |
| |
| let mut files = vec![output_file]; |
| if self.config.bless { |
| files.push(expected_output_path( |
| self.testpaths, |
| self.revision, |
| &self.config.compare_mode, |
| kind, |
| )); |
| } |
| |
| for output_file in &files { |
| if actual.is_empty() { |
| self.delete_file(output_file); |
| } else if let Err(err) = fs::write(&output_file, &actual) { |
| self.fatal(&format!( |
| "failed to write {} to `{}`: {}", |
| kind, |
| output_file.display(), |
| err, |
| )); |
| } |
| } |
| |
| println!("\nThe actual {0} differed from the expected {0}.", kind); |
| for output_file in files { |
| println!("Actual {} saved to {}", kind, output_file.display()); |
| } |
| if self.config.bless { |
| 0 |
| } else { |
| 1 |
| } |
| } |
| |
| fn prune_duplicate_output(&self, mode: CompareMode, kind: &str, canon_content: &str) { |
| let examined_path = expected_output_path( |
| &self.testpaths, |
| self.revision, |
| &Some(mode), |
| kind, |
| ); |
| |
| let examined_content = self |
| .load_expected_output_from_path(&examined_path) |
| .unwrap_or_else(|_| String::new()); |
| |
| if examined_path.exists() && canon_content == &examined_content { |
| self.delete_file(&examined_path); |
| } |
| } |
| |
| fn prune_duplicate_outputs(&self, modes: &[CompareMode]) { |
| if self.config.bless { |
| for kind in UI_EXTENSIONS { |
| let canon_comparison_path = expected_output_path( |
| &self.testpaths, |
| self.revision, |
| &None, |
| kind, |
| ); |
| |
| if let Ok(canon) = self.load_expected_output_from_path(&canon_comparison_path) { |
| for mode in modes { |
| self.prune_duplicate_output(mode.clone(), kind, &canon); |
| } |
| } |
| } |
| } |
| } |
| |
| fn create_stamp(&self) { |
| let stamp = crate::stamp(&self.config, self.testpaths, self.revision); |
| fs::write(&stamp, compute_stamp_hash(&self.config)).unwrap(); |
| } |
| } |
| |
| struct ProcArgs { |
| prog: String, |
| args: Vec<String>, |
| } |
| |
| pub struct ProcRes { |
| status: ExitStatus, |
| stdout: String, |
| stderr: String, |
| cmdline: String, |
| } |
| |
| impl ProcRes { |
| pub fn fatal(&self, err: Option<&str>) -> ! { |
| if let Some(e) = err { |
| println!("\nerror: {}", e); |
| } |
| print!( |
| "\ |
| status: {}\n\ |
| command: {}\n\ |
| stdout:\n\ |
| ------------------------------------------\n\ |
| {}\n\ |
| ------------------------------------------\n\ |
| stderr:\n\ |
| ------------------------------------------\n\ |
| {}\n\ |
| ------------------------------------------\n\ |
| \n", |
| self.status, self.cmdline, |
| json::extract_rendered(&self.stdout), |
| json::extract_rendered(&self.stderr), |
| ); |
| // Use resume_unwind instead of panic!() to prevent a panic message + backtrace from |
| // compiletest, which is unnecessary noise. |
| std::panic::resume_unwind(Box::new(())); |
| } |
| } |
| |
| enum TargetLocation { |
| ThisFile(PathBuf), |
| ThisDirectory(PathBuf), |
| } |
| |
| #[derive(Clone, PartialEq, Eq)] |
| enum ExpectedLine<T: AsRef<str>> { |
| Elision, |
| Text(T), |
| } |
| |
| impl<T> fmt::Debug for ExpectedLine<T> |
| where |
| T: AsRef<str> + fmt::Debug, |
| { |
| fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { |
| if let &ExpectedLine::Text(ref t) = self { |
| write!(formatter, "{:?}", t) |
| } else { |
| write!(formatter, "\"...\" (Elision)") |
| } |
| } |
| } |
| |
| fn normalize_mir_line(line: &str) -> String { |
| nocomment_mir_line(line).replace(char::is_whitespace, "") |
| } |
| |
| fn nocomment_mir_line(line: &str) -> &str { |
| if let Some(idx) = line.find("//") { |
| let (l, _) = line.split_at(idx); |
| l.trim_end() |
| } else { |
| line |
| } |
| } |
| |
| fn read2_abbreviated(mut child: Child) -> io::Result<Output> { |
| use crate::read2::read2; |
| use std::mem::replace; |
| |
| const HEAD_LEN: usize = 160 * 1024; |
| const TAIL_LEN: usize = 256 * 1024; |
| |
| enum ProcOutput { |
| Full(Vec<u8>), |
| Abbreviated { |
| head: Vec<u8>, |
| skipped: usize, |
| tail: Box<[u8]>, |
| }, |
| } |
| |
| impl ProcOutput { |
| fn extend(&mut self, data: &[u8]) { |
| let new_self = match *self { |
| ProcOutput::Full(ref mut bytes) => { |
| bytes.extend_from_slice(data); |
| let new_len = bytes.len(); |
| if new_len <= HEAD_LEN + TAIL_LEN { |
| return; |
| } |
| let tail = bytes.split_off(new_len - TAIL_LEN).into_boxed_slice(); |
| let head = replace(bytes, Vec::new()); |
| let skipped = new_len - HEAD_LEN - TAIL_LEN; |
| ProcOutput::Abbreviated { |
| head, |
| skipped, |
| tail, |
| } |
| } |
| ProcOutput::Abbreviated { |
| ref mut skipped, |
| ref mut tail, |
| .. |
| } => { |
| *skipped += data.len(); |
| if data.len() <= TAIL_LEN { |
| tail[..data.len()].copy_from_slice(data); |
| tail.rotate_left(data.len()); |
| } else { |
| tail.copy_from_slice(&data[(data.len() - TAIL_LEN)..]); |
| } |
| return; |
| } |
| }; |
| *self = new_self; |
| } |
| |
| fn into_bytes(self) -> Vec<u8> { |
| match self { |
| ProcOutput::Full(bytes) => bytes, |
| ProcOutput::Abbreviated { |
| mut head, |
| skipped, |
| tail, |
| } => { |
| write!(&mut head, "\n\n<<<<<< SKIPPED {} BYTES >>>>>>\n\n", skipped).unwrap(); |
| head.extend_from_slice(&tail); |
| head |
| } |
| } |
| } |
| } |
| |
| let mut stdout = ProcOutput::Full(Vec::new()); |
| let mut stderr = ProcOutput::Full(Vec::new()); |
| |
| drop(child.stdin.take()); |
| read2( |
| child.stdout.take().unwrap(), |
| child.stderr.take().unwrap(), |
| &mut |is_stdout, data, _| { |
| if is_stdout { &mut stdout } else { &mut stderr }.extend(data); |
| data.clear(); |
| }, |
| )?; |
| let status = child.wait()?; |
| |
| Ok(Output { |
| status, |
| stdout: stdout.into_bytes(), |
| stderr: stderr.into_bytes(), |
| }) |
| } |
| |
| #[cfg(test)] |
| mod tests { |
| use super::TestCx; |
| |
| #[test] |
| fn normalize_platform_differences() { |
| assert_eq!( |
| TestCx::normalize_platform_differences(r"$DIR\foo.rs"), |
| "$DIR/foo.rs" |
| ); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r"$BUILD_DIR\..\parser.rs"), |
| "$BUILD_DIR/../parser.rs" |
| ); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r"$DIR\bar.rs hello\nworld"), |
| r"$DIR/bar.rs hello\nworld" |
| ); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r"either bar\baz.rs or bar\baz\mod.rs"), |
| r"either bar/baz.rs or bar/baz/mod.rs", |
| ); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r"`.\some\path.rs`"), |
| r"`./some/path.rs`", |
| ); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r"`some\path.rs`"), |
| r"`some/path.rs`", |
| ); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r"$DIR\path-with-dashes.rs"), |
| r"$DIR/path-with-dashes.rs" |
| ); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r"$DIR\path_with_underscores.rs"), |
| r"$DIR/path_with_underscores.rs", |
| ); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r"$DIR\foo.rs:12:11"), "$DIR/foo.rs:12:11", |
| ); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r"$DIR\path with spaces 'n' quotes"), |
| "$DIR/path with spaces 'n' quotes", |
| ); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r"$DIR\file_with\no_extension"), |
| "$DIR/file_with/no_extension", |
| ); |
| |
| assert_eq!(TestCx::normalize_platform_differences(r"\n"), r"\n"); |
| assert_eq!(TestCx::normalize_platform_differences(r"{ \n"), r"{ \n"); |
| assert_eq!(TestCx::normalize_platform_differences(r"`\]`"), r"`\]`"); |
| assert_eq!(TestCx::normalize_platform_differences(r#""\{""#), r#""\{""#); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r#"write!(&mut v, "Hello\n")"#), |
| r#"write!(&mut v, "Hello\n")"# |
| ); |
| assert_eq!( |
| TestCx::normalize_platform_differences(r#"println!("test\ntest")"#), |
| r#"println!("test\ntest")"#, |
| ); |
| } |
| } |