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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
Object.defineProperty(exports, 'CallbackTestRunner', {
enumerable: true,
get: function () {
return _types.CallbackTestRunner;
}
});
Object.defineProperty(exports, 'EmittingTestRunner', {
enumerable: true,
get: function () {
return _types.EmittingTestRunner;
}
});
exports.default = void 0;
function _chalk() {
const data = _interopRequireDefault(require('chalk'));
_chalk = function () {
return data;
};
return data;
}
function _emittery() {
const data = _interopRequireDefault(require('emittery'));
_emittery = function () {
return data;
};
return data;
}
function _pLimit() {
const data = _interopRequireDefault(require('p-limit'));
_pLimit = function () {
return data;
};
return data;
}
function _jestUtil() {
const data = require('jest-util');
_jestUtil = function () {
return data;
};
return data;
}
function _jestWorker() {
const data = require('jest-worker');
_jestWorker = function () {
return data;
};
return data;
}
var _runTest = _interopRequireDefault(require('./runTest'));
var _types = require('./types');
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
class TestRunner extends _types.EmittingTestRunner {
#eventEmitter = new (_emittery().default)();
async runTests(tests, watcher, options) {
return options.serial
? this.#createInBandTestRun(tests, watcher)
: this.#createParallelTestRun(tests, watcher);
}
async #createInBandTestRun(tests, watcher) {
process.env.JEST_WORKER_ID = '1';
const mutex = (0, _pLimit().default)(1);
return tests.reduce(
(promise, test) =>
mutex(() =>
promise
.then(async () => {
if (watcher.isInterrupted()) {
throw new CancelRun();
}
// `deepCyclicCopy` used here to avoid mem-leak
const sendMessageToJest = (eventName, args) =>
this.#eventEmitter.emit(
eventName,
(0, _jestUtil().deepCyclicCopy)(args, {
keepPrototype: false
})
);
await this.#eventEmitter.emit('test-file-start', [test]);
return (0, _runTest.default)(
test.path,
this._globalConfig,
test.context.config,
test.context.resolver,
this._context,
sendMessageToJest
);
})
.then(
result =>
this.#eventEmitter.emit('test-file-success', [test, result]),
error =>
this.#eventEmitter.emit('test-file-failure', [test, error])
)
),
Promise.resolve()
);
}
async #createParallelTestRun(tests, watcher) {
const resolvers = new Map();
for (const test of tests) {
if (!resolvers.has(test.context.config.id)) {
resolvers.set(test.context.config.id, {
config: test.context.config,
serializableModuleMap: test.context.moduleMap.toJSON()
});
}
}
const worker = new (_jestWorker().Worker)(require.resolve('./testWorker'), {
enableWorkerThreads: this._globalConfig.workerThreads,
exposedMethods: ['worker'],
forkOptions: {
serialization: 'json',
stdio: 'pipe'
},
// The workerIdleMemoryLimit should've been converted to a number during
// the normalization phase.
idleMemoryLimit:
typeof this._globalConfig.workerIdleMemoryLimit === 'number'
? this._globalConfig.workerIdleMemoryLimit
: undefined,
maxRetries: 3,
numWorkers: this._globalConfig.maxWorkers,
setupArgs: [
{
serializableResolvers: Array.from(resolvers.values())
}
]
});
if (worker.getStdout()) worker.getStdout().pipe(process.stdout);
if (worker.getStderr()) worker.getStderr().pipe(process.stderr);
const mutex = (0, _pLimit().default)(this._globalConfig.maxWorkers);
// Send test suites to workers continuously instead of all at once to track
// the start time of individual tests.
const runTestInWorker = test =>
mutex(async () => {
if (watcher.isInterrupted()) {
return Promise.reject();
}
await this.#eventEmitter.emit('test-file-start', [test]);
const promise = worker.worker({
config: test.context.config,
context: {
...this._context,
changedFiles:
this._context.changedFiles &&
Array.from(this._context.changedFiles),
sourcesRelatedToTestsInChangedFiles:
this._context.sourcesRelatedToTestsInChangedFiles &&
Array.from(this._context.sourcesRelatedToTestsInChangedFiles)
},
globalConfig: this._globalConfig,
path: test.path
});
if (promise.UNSTABLE_onCustomMessage) {
// TODO: Get appropriate type for `onCustomMessage`
promise.UNSTABLE_onCustomMessage(([event, payload]) =>
this.#eventEmitter.emit(event, payload)
);
}
return promise;
});
const onInterrupt = new Promise((_, reject) => {
watcher.on('change', state => {
if (state.interrupted) {
reject(new CancelRun());
}
});
});
const runAllTests = Promise.all(
tests.map(test =>
runTestInWorker(test).then(
result =>
this.#eventEmitter.emit('test-file-success', [test, result]),
error => this.#eventEmitter.emit('test-file-failure', [test, error])
)
)
);
const cleanup = async () => {
const {forceExited} = await worker.end();
if (forceExited) {
console.error(
_chalk().default.yellow(
'A worker process has failed to exit gracefully and has been force exited. ' +
'This is likely caused by tests leaking due to improper teardown. ' +
'Try running with --detectOpenHandles to find leaks. ' +
'Active timers can also cause this, ensure that .unref() was called on them.'
)
);
}
};
return Promise.race([runAllTests, onInterrupt]).then(cleanup, cleanup);
}
on(eventName, listener) {
return this.#eventEmitter.on(eventName, listener);
}
}
exports.default = TestRunner;
class CancelRun extends Error {
constructor(message) {
super(message);
this.name = 'CancelRun';
}
}