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const {
ArrayFrom,
ArrayPrototypeFilter,
ArrayPrototypeIncludes,
ArrayPrototypeJoin,
ArrayPrototypePush,
ArrayPrototypeSlice,
ArrayPrototypeSort,
ObjectAssign,
PromisePrototypeThen,
SafePromiseAll,
SafeSet,
} = primordials;
const { spawn } = require('child_process');
const { readdirSync, statSync } = require('fs');
// TODO(aduh95): switch to internal/readline/interface when backporting to Node.js 16.x is no longer a concern.
const { createInterface } = require('readline');
const console = require('internal/console/global');
const {
codes: {
ERR_TEST_FAILURE,
},
} = require('internal/errors');
const { validateArray } = require('internal/validators');
const { getInspectPort, isUsingInspector, isInspectorMessage } = require('internal/util/inspector');
const { kEmptyObject } = require('internal/util');
const { createTestTree } = require('internal/test_runner/harness');
const { kSubtestsFailed, Test } = require('internal/test_runner/test');
const {
isSupportedFileType,
doesPathMatchFilter,
} = require('internal/test_runner/utils');
const { basename, join, resolve } = require('path');
const { once } = require('events');
const { exitCodes: { kGenericUserError } } = internalBinding('errors');
const kFilterArgs = ['--test'];
// TODO(cjihrig): Replace this with recursive readdir once it lands.
function processPath(path, testFiles, options) {
const stats = statSync(path);
if (stats.isFile()) {
if (options.userSupplied ||
(options.underTestDir && isSupportedFileType(path)) ||
doesPathMatchFilter(path)) {
testFiles.add(path);
}
} else if (stats.isDirectory()) {
const name = basename(path);
if (!options.userSupplied && name === 'node_modules') {
return;
}
// 'test' directories get special treatment. Recursively add all .js,
// .cjs, and .mjs files in the 'test' directory.
const isTestDir = name === 'test';
const { underTestDir } = options;
const entries = readdirSync(path);
if (isTestDir) {
options.underTestDir = true;
}
options.userSupplied = false;
for (let i = 0; i < entries.length; i++) {
processPath(join(path, entries[i]), testFiles, options);
}
options.underTestDir = underTestDir;
}
}
function createTestFileList() {
const cwd = process.cwd();
const hasUserSuppliedPaths = process.argv.length > 1;
const testPaths = hasUserSuppliedPaths ?
ArrayPrototypeSlice(process.argv, 1) : [cwd];
const testFiles = new SafeSet();
try {
for (let i = 0; i < testPaths.length; i++) {
const absolutePath = resolve(testPaths[i]);
processPath(absolutePath, testFiles, { userSupplied: true });
}
} catch (err) {
if (err?.code === 'ENOENT') {
console.error(`Could not find '${err.path}'`);
process.exit(kGenericUserError);
}
throw err;
}
return ArrayPrototypeSort(ArrayFrom(testFiles));
}
function filterExecArgv(arg) {
return !ArrayPrototypeIncludes(kFilterArgs, arg);
}
function getRunArgs({ path, inspectPort }) {
const argv = ArrayPrototypeFilter(process.execArgv, filterExecArgv);
if (isUsingInspector()) {
ArrayPrototypePush(argv, `--inspect-port=${getInspectPort(inspectPort)}`);
}
ArrayPrototypePush(argv, path);
return argv;
}
function runTestFile(path, root, inspectPort) {
const subtest = root.createSubtest(Test, path, async (t) => {
const args = getRunArgs({ path, inspectPort });
const child = spawn(process.execPath, args, { signal: t.signal, encoding: 'utf8' });
// TODO(cjihrig): Implement a TAP parser to read the child's stdout
// instead of just displaying it all if the child fails.
let err;
let stderr = '';
child.on('error', (error) => {
err = error;
});
child.stderr.on('data', (data) => {
stderr += data;
});
if (isUsingInspector()) {
const rl = createInterface({ input: child.stderr });
rl.on('line', (line) => {
if (isInspectorMessage(line)) {
process.stderr.write(line + '\n');
}
});
}
const { 0: { 0: code, 1: signal }, 1: stdout } = await SafePromiseAll([
once(child, 'exit', { signal: t.signal }),
child.stdout.toArray({ signal: t.signal }),
]);
if (code !== 0 || signal !== null) {
if (!err) {
err = ObjectAssign(new ERR_TEST_FAILURE('test failed', kSubtestsFailed), {
__proto__: null,
exitCode: code,
signal: signal,
stdout: ArrayPrototypeJoin(stdout, ''),
stderr,
// The stack will not be useful since the failures came from tests
// in a child process.
stack: undefined,
});
}
throw err;
}
});
return subtest.start();
}
function run(options) {
if (options === null || typeof options !== 'object') {
options = kEmptyObject;
}
const { concurrency, timeout, signal, files, inspectPort } = options;
if (files != null) {
validateArray(files, 'options.files');
}
const root = createTestTree({ concurrency, timeout, signal });
const testFiles = files ?? createTestFileList();
PromisePrototypeThen(SafePromiseAll(testFiles, (path) => runTestFile(path, root, inspectPort)),
() => root.postRun());
return root.reporter;
}
module.exports = { run };
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