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use colored::*;
use regex::bytes::Regex;
use std::path::{Path, PathBuf};
use std::{env, process::Command};
use ui_test::{color_eyre::Result, Config, Mode, OutputConflictHandling};
fn miri_path() -> PathBuf {
PathBuf::from(option_env!("MIRI").unwrap_or(env!("CARGO_BIN_EXE_miri")))
}
fn get_host() -> String {
rustc_version::VersionMeta::for_command(std::process::Command::new(miri_path()))
.expect("failed to parse rustc version info")
.host
}
// Build the shared object file for testing external C function calls.
fn build_so_for_c_ffi_tests() -> PathBuf {
let cc = option_env!("CC").unwrap_or("cc");
// Target directory that we can write to.
let so_target_dir = Path::new(&env::var_os("CARGO_TARGET_DIR").unwrap()).join("miri-extern-so");
// Create the directory if it does not already exist.
std::fs::create_dir_all(&so_target_dir)
.expect("Failed to create directory for shared object file");
let so_file_path = so_target_dir.join("libtestlib.so");
let cc_output = Command::new(cc)
.args([
"-shared",
"-o",
so_file_path.to_str().unwrap(),
"tests/extern-so/test.c",
// Only add the functions specified in libcode.version to the shared object file.
// This is to avoid automatically adding `malloc`, etc.
// Source: https://anadoxin.org/blog/control-over-symbol-exports-in-gcc.html/
"-fPIC",
"-Wl,--version-script=tests/extern-so/libcode.version",
])
.output()
.expect("failed to generate shared object file for testing external C function calls");
if !cc_output.status.success() {
panic!("error in generating shared object file for testing external C function calls");
}
so_file_path
}
fn run_tests(mode: Mode, path: &str, target: &str, with_dependencies: bool) -> Result<()> {
let mut config = Config {
target: Some(target.to_owned()),
stderr_filters: STDERR.clone(),
stdout_filters: STDOUT.clone(),
root_dir: PathBuf::from(path),
mode,
program: miri_path(),
quiet: false,
..Config::default()
};
let in_rustc_test_suite = option_env!("RUSTC_STAGE").is_some();
// Add some flags we always want.
config.args.push("--edition".into());
config.args.push("2018".into());
if in_rustc_test_suite {
// Less aggressive warnings to make the rustc toolstate management less painful.
// (We often get warnings when e.g. a feature gets stabilized or some lint gets added/improved.)
config.args.push("-Astable-features".into());
config.args.push("-Aunused".into());
} else {
config.args.push("-Dwarnings".into());
config.args.push("-Dunused".into());
}
if let Ok(extra_flags) = env::var("MIRIFLAGS") {
for flag in extra_flags.split_whitespace() {
config.args.push(flag.into());
}
}
config.args.push("-Zui-testing".into());
if let Some(target) = &config.target {
config.args.push("--target".into());
config.args.push(target.into());
}
// If we're on linux, and we're testing the extern-so functionality,
// then build the shared object file for testing external C function calls
// and push the relevant compiler flag.
if cfg!(target_os = "linux") && path.starts_with("tests/extern-so/") {
let so_file_path = build_so_for_c_ffi_tests();
let mut flag = std::ffi::OsString::from("-Zmiri-extern-so-file=");
flag.push(so_file_path.into_os_string());
config.args.push(flag);
}
let skip_ui_checks = env::var_os("MIRI_SKIP_UI_CHECKS").is_some();
config.output_conflict_handling = match (env::var_os("MIRI_BLESS").is_some(), skip_ui_checks) {
(false, false) => OutputConflictHandling::Error,
(true, false) => OutputConflictHandling::Bless,
(false, true) => OutputConflictHandling::Ignore,
(true, true) => panic!("cannot use MIRI_BLESS and MIRI_SKIP_UI_CHECKS at the same time"),
};
// Handle command-line arguments.
config.path_filter.extend(std::env::args().skip(1).filter(|arg| {
match &**arg {
"--quiet" => {
config.quiet = true;
false
}
_ => true,
}
}));
let use_std = env::var_os("MIRI_NO_STD").is_none();
if with_dependencies && use_std {
config.dependencies_crate_manifest_path =
Some(Path::new("test_dependencies").join("Cargo.toml"));
config.dependency_builder.args = vec![
"run".into(),
"--manifest-path".into(),
"cargo-miri/Cargo.toml".into(),
"--".into(),
"miri".into(),
"run".into(), // There is no `cargo miri build` so we just use `cargo miri run`.
];
}
ui_test::run_tests(config)
}
macro_rules! regexes {
($name:ident: $($regex:expr => $replacement:expr,)*) => {lazy_static::lazy_static! {
static ref $name: Vec<(Regex, &'static [u8])> = vec![
$((Regex::new($regex).unwrap(), $replacement.as_bytes()),)*
];
}};
}
regexes! {
STDOUT:
// Windows file paths
r"\\" => "/",
// erase borrow tags
"<[0-9]+>" => "<TAG>",
"<[0-9]+=" => "<TAG=",
}
regexes! {
STDERR:
// erase line and column info
r"\.rs:[0-9]+:[0-9]+(: [0-9]+:[0-9]+)?" => ".rs:LL:CC",
// erase alloc ids
"alloc[0-9]+" => "ALLOC",
// erase borrow tags
"<[0-9]+>" => "<TAG>",
"<[0-9]+=" => "<TAG=",
// erase whitespace that differs between platforms
r" +at (.*\.rs)" => " at $1",
// erase generics in backtraces
"([0-9]+: .*)::<.*>" => "$1",
// erase addresses in backtraces
"([0-9]+: ) +0x[0-9a-f]+ - (.*)" => "$1$2",
// erase long hexadecimals
r"0x[0-9a-fA-F]+[0-9a-fA-F]{2,2}" => "$$HEX",
// erase specific alignments
"alignment [0-9]+" => "alignment ALIGN",
// erase thread caller ids
r"call [0-9]+" => "call ID",
// erase platform module paths
"sys::[a-z]+::" => "sys::PLATFORM::",
// Windows file paths
r"\\" => "/",
// erase Rust stdlib path
"[^ `]*/(rust[^/]*|checkout)/library/" => "RUSTLIB/",
// erase platform file paths
"sys/[a-z]+/" => "sys/PLATFORM/",
// erase paths into the crate registry
r"[^ ]*/\.?cargo/registry/.*/(.*\.rs)" => "CARGO_REGISTRY/.../$1",
}
enum Dependencies {
WithDependencies,
WithoutDependencies,
}
use Dependencies::*;
fn ui(mode: Mode, path: &str, target: &str, with_dependencies: Dependencies) -> Result<()> {
let msg = format!("## Running ui tests in {path} against miri for {target}");
eprintln!("{}", msg.green().bold());
let with_dependencies = match with_dependencies {
WithDependencies => true,
WithoutDependencies => false,
};
run_tests(mode, path, target, with_dependencies)
}
fn get_target() -> String {
env::var("MIRI_TEST_TARGET").ok().unwrap_or_else(get_host)
}
fn main() -> Result<()> {
ui_test::color_eyre::install()?;
let target = get_target();
// Add a test env var to do environment communication tests.
env::set_var("MIRI_ENV_VAR_TEST", "0");
// Let the tests know where to store temp files (they might run for a different target, which can make this hard to find).
env::set_var("MIRI_TEMP", env::temp_dir());
ui(Mode::Pass, "tests/pass", &target, WithoutDependencies)?;
ui(Mode::Pass, "tests/pass-dep", &target, WithDependencies)?;
ui(Mode::Panic, "tests/panic", &target, WithDependencies)?;
ui(Mode::Fail { require_patterns: true }, "tests/fail", &target, WithDependencies)?;
if cfg!(target_os = "linux") {
ui(Mode::Pass, "tests/extern-so/pass", &target, WithoutDependencies)?;
ui(
Mode::Fail { require_patterns: true },
"tests/extern-so/fail",
&target,
WithoutDependencies,
)?;
}
Ok(())
}
|
