mirror of
https://github.com/swc-project/swc.git
synced 2024-12-26 15:12:08 +03:00
372 lines
10 KiB
Rust
372 lines
10 KiB
Rust
#![feature(test)]
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extern crate test;
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use common::Normalizer;
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use std::{
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env,
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fs::{read_dir, File},
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io::{self, Read},
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path::Path,
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};
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use swc_ecma_ast::*;
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use swc_ecma_parser::{lexer::Lexer, PResult, Parser, StringInput, Syntax};
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use swc_ecma_visit::FoldWith;
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use test::{
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test_main, DynTestFn, Options, ShouldPanic::No, TestDesc, TestDescAndFn, TestName, TestType,
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};
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use testing::{NormalizedOutput, StdErr};
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#[path = "common/mod.rs"]
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mod common;
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const IGNORED_PASS_TESTS: &[&str] = &[
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// Temporalily ignored
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"431ecef8c85d4d24.js",
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"8386fbff927a9e0e.js",
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"5654d4106d7025c2.js",
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// Stack size (Stupid parens)
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"6b5e7e125097d439.js",
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"714be6d28082eaa7.js",
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"882910de7dd1aef9.js",
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"dd3c63403db5c06e.js",
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// Static constructor
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"dcc5609dcc043200.js",
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"88d42455ac933ef5.js",
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// Wrong tests (variable name or value is different)
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"0339fa95c78c11bd.js",
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"0426f15dac46e92d.js",
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"0b4d61559ccce0f9.js",
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"0f88c334715d2489.js",
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"1093d98f5fc0758d.js",
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"15d9592709b947a0.js",
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"2179895ec5cc6276.js",
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"247a3a57e8176ebd.js",
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"441a92357939904a.js",
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"47f974d6fc52e3e4.js",
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"4e1a0da46ca45afe.js",
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"5829d742ab805866.js",
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"589dc8ad3b9aa28f.js",
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"598a5cedba92154d.js",
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"72d79750e81ef03d.js",
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"7788d3c1e1247da9.js",
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"7b72d7b43bedc895.js",
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"7dab6e55461806c9.js",
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"82c827ccaecbe22b.js",
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"87a9b0d1d80812cc.js",
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"8c80f7ee04352eba.js",
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"96f5d93be9a54573.js",
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"988e362ed9ddcac5.js",
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"9bcae7c7f00b4e3c.js",
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"a8a03a88237c4e8f.js",
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"ad06370e34811a6a.js",
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"b0fdc038ee292aba.js",
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"b62c6dd890bef675.js",
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"cb211fadccb029c7.js",
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"ce968fcdf3a1987c.js",
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"db3c01738aaf0b92.js",
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"e1387fe892984e2b.js",
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"e71c1d5f0b6b833c.js",
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"e8ea384458526db0.js",
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// We don't implement Annex B fully.
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"1c1e2a43fe5515b6.js",
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"3dabeca76119d501.js",
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"52aeec7b8da212a2.js",
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"59ae0289778b80cd.js",
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"a4d62a651f69d815.js",
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"c06df922631aeabc.js",
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// Wrong test - strict mode
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"8f8bfb27569ac008.js",
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"ce569e89a005c02a.js",
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];
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fn add_test<F: FnOnce() + Send + 'static>(
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tests: &mut Vec<TestDescAndFn>,
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name: String,
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ignore: bool,
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f: F,
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) {
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tests.push(TestDescAndFn {
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desc: TestDesc {
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test_type: TestType::UnitTest,
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name: TestName::DynTestName(name),
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ignore,
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should_panic: No,
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allow_fail: false,
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compile_fail: false,
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no_run: false,
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},
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testfn: DynTestFn(Box::new(f)),
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});
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}
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#[cfg(feature = "verify")]
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fn error_tests(tests: &mut Vec<TestDescAndFn>) -> Result<(), io::Error> {
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const IGNORED_ERROR_TESTS: &[&str] = &[
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// Old (wrong) tests
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"569a2c1bad3beeb2.js",
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"3b6f737a4ac948a8.js",
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"829d9261aa6cd22c.js",
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"b03ee881dce1a367.js",
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"cb92787da5075fd1.js",
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"f0f498d6ae70038f.js",
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// Wrong tests
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"0d5e450f1da8a92a.js",
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"346316bef54d805a.js",
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"976b6247ca78ab51.js",
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"ae0a7ac275bc9f5c.js",
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"748656edbfb2d0bb.js",
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"79f882da06f88c9f.js",
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"d28e80d99f819136.js",
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"92b6af54adef3624.js",
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"ef2d369cccc5386c.js",
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// Temporarily ignore tests for using octal escape before use strict
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"147fa078a7436e0e.js",
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"15a6123f6b825c38.js",
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"3bc2b27a7430f818.js",
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// Tmporarily ignored
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"2fa321f0374c7017.js",
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"3dbb6e166b14a6c0.js",
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"66e383bfd18e66ab.js",
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"78c215fabdf13bae.js",
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"bf49ec8d96884562.js",
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"e4a43066905a597b.js",
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"98204d734f8c72b3.js",
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"ef81b93cf9bdb4ec.js",
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];
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let root = {
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let mut root = Path::new(env!("CARGO_MANIFEST_DIR")).to_path_buf();
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root.push("tests");
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root.push("test262-parser");
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root
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};
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eprintln!("Loading tests from {}", root.display());
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const TYPES: &[&str] = &[
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"fail", /* TODO
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* "early" */
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];
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for err_type in TYPES {
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let dir = root.join(err_type);
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let error_reference_dir = {
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let mut root = Path::new(env!("CARGO_MANIFEST_DIR")).to_path_buf();
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root.push("tests");
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root.push("test262-error-references");
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root.push(err_type);
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root
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};
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for entry in read_dir(&dir)? {
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let entry = entry?;
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let file_name = entry
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.path()
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.strip_prefix(&dir)
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.expect("failed to strip prefix")
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.to_str()
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.unwrap()
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.to_string();
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let input = {
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let mut buf = String::new();
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File::open(entry.path())?.read_to_string(&mut buf)?;
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buf
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};
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let ignore = IGNORED_ERROR_TESTS.contains(&&*file_name);
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let module = file_name.contains("module");
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let dir = dir.clone();
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let error_reference_dir = error_reference_dir.clone();
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let name = format!("test262::error_reporting::{}::{}", err_type, file_name);
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add_test(tests, name, ignore, move || {
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eprintln!(
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"\n\n========== Running error reporting test {}\nSource:\n{}\n",
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file_name, input
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);
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let path = dir.join(&file_name);
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// Parse source
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let err = if module {
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parse_module(&path).expect_err("should fail, but parsed as")
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} else {
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parse_script(&path).expect_err("should fail, but parsed as")
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};
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if err
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.compare_to_file(format!(
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"{}.stderr",
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error_reference_dir.join(file_name).display()
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))
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.is_err()
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{
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panic!()
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}
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});
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}
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}
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Ok(())
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}
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fn identity_tests(tests: &mut Vec<TestDescAndFn>) -> Result<(), io::Error> {
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let root = {
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let mut root = Path::new(env!("CARGO_MANIFEST_DIR")).to_path_buf();
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root.push("tests");
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root.push("test262-parser");
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root
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};
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eprintln!("Loading tests from {}", root.display());
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let pass_dir = root.join("pass");
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let files = read_dir(&pass_dir)?;
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for entry in files {
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let entry = entry?;
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let file_name = entry
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.path()
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.strip_prefix(&pass_dir)
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.expect("failed to strip prefix")
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.to_str()
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.unwrap()
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.to_string();
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let input = {
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let mut buf = String::new();
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File::open(entry.path())?.read_to_string(&mut buf)?;
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buf
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};
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let explicit = {
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let mut buf = String::new();
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File::open(root.join("pass-explicit").join(&file_name))?.read_to_string(&mut buf)?;
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buf
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};
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let ignore = IGNORED_PASS_TESTS.contains(&&*file_name);
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let module = file_name.contains("module");
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let root = root.clone();
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let name = format!("test262::identity::{}", file_name);
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add_test(tests, name, ignore, move || {
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eprintln!(
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"\n\n\n========== Running test {}\nSource:\n{}\nExplicit:\n{}",
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file_name, input, explicit
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);
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if module {
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let p = |explicit| {
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parse_module(
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&root
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.join(if explicit { "pass-explicit" } else { "pass" })
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.join(&file_name),
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)
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.map(normalize)
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.unwrap()
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};
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let src = p(false);
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let expected = p(true);
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assert_eq!(src, expected);
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let json =
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serde_json::to_string_pretty(&src).expect("failed to serialize module as json");
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let deser = serde_json::from_str::<Module>(&json)
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.unwrap_or_else(|err| {
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panic!(
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"failed to deserialize json back to module: {}\n{}",
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err, json
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)
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})
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.fold_with(&mut Normalizer {
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drop_span: true,
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is_test262: true,
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});
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assert_eq!(src, deser, "JSON:\n{}", json);
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} else {
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let p = |explicit| {
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parse_script(
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&root
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.join(if explicit { "pass-explicit" } else { "pass" })
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.join(&file_name),
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)
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.map(normalize)
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.unwrap()
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};
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let src = p(false);
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let expected = p(true);
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assert_eq!(src, expected);
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}
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});
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}
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Ok(())
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}
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fn parse_script(file_name: &Path) -> Result<Script, NormalizedOutput> {
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with_parser(file_name, |p| p.parse_script())
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}
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fn parse_module<'a>(file_name: &Path) -> Result<Module, NormalizedOutput> {
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with_parser(file_name, |p| p.parse_module())
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}
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fn with_parser<F, Ret>(file_name: &Path, f: F) -> Result<Ret, StdErr>
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where
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F: FnOnce(&mut Parser<Lexer<StringInput<'_>>>) -> PResult<Ret>,
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{
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let output = ::testing::run_test(false, |cm, handler| {
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let fm = cm
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.load_file(file_name)
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.unwrap_or_else(|e| panic!("failed to load {}: {}", file_name.display(), e));
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let mut p = Parser::new(Syntax::default(), (&*fm).into(), None);
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let res = f(&mut p).map_err(|e| e.into_diagnostic(handler).emit());
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for e in p.take_errors() {
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e.into_diagnostic(&handler).emit();
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}
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if handler.has_errors() {
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return Err(());
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}
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res
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});
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output
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}
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#[test]
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fn identity() {
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let args: Vec<_> = env::args().collect();
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let mut tests = Vec::new();
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identity_tests(&mut tests).unwrap();
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test_main(&args, tests, Some(Options::new()));
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}
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#[test]
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#[cfg(feature = "verify")]
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fn error() {
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let args: Vec<_> = env::args().collect();
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let mut tests = Vec::new();
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error_tests(&mut tests).unwrap();
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test_main(&args, tests, Some(Options::new()));
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}
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pub fn normalize<T>(t: T) -> T
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where
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T: FoldWith<Normalizer>,
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{
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let mut n = Normalizer {
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drop_span: true,
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is_test262: true,
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};
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t.fold_with(&mut n)
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}
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