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browser-job.ts
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browser-job.ts
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import { pull as remove } from 'lodash';
import AsyncEventEmitter from '../utils/async-event-emitter';
import TestRunController from './test-run-controller';
import SessionController from '../test-run/session-controller';
import BrowserConnection from '../browser/connection';
import { Proxy } from 'testcafe-hammerhead';
import Test from '../api/structure/test';
import Screenshots from '../screenshots';
import WarningLog from '../notifications/warning-log';
import FixtureHookController from './fixture-hook-controller';
import { Dictionary } from '../configuration/interfaces';
import BrowserJobResult from './browser-job-result';
import { BrowserJobInit } from './interfaces';
import MessageBus from '../utils/message-bus';
import TestRunHookController from './test-run-hook-controller';
import TestRun from '../test-run';
// @ts-ignore
import { TestRun as LegacyTestRun } from 'testcafe-legacy-api';
import { NextTestRunInfo } from '../shared/types';
interface BrowserJobResultInfo {
status: BrowserJobResult;
data?: any;
}
enum BrowserJobStatus { initialized, starting, started }
export default class BrowserJob extends AsyncEventEmitter {
private _status: BrowserJobStatus;
private _startTime: Date;
private _total: number;
private _passed: number;
private readonly _opts: Dictionary<OptionValue>;
private readonly _proxy: Proxy;
public readonly browserConnections: BrowserConnection[];
private readonly _screenshots: Screenshots;
public readonly warningLog: WarningLog;
public readonly fixtureHookController: FixtureHookController;
private _result: BrowserJobResultInfo | null;
private _testRunControllerQueue: TestRunController[];
private readonly _reportsPending: TestRunController[];
private readonly _connectionErrorListener: (error: Error) => void;
private readonly _completionQueue: TestRunController[];
private _resolveWaitingLastTestInFixture: Function | null;
private readonly _messageBus: MessageBus;
private readonly _testRunHook: TestRunHookController;
private readonly _disableConcurrencyQueue: Dictionary<TestRunController[]>;
public constructor ({
tests,
browserConnections,
proxy,
screenshots,
warningLog,
fixtureHookController,
opts,
messageBus,
}: BrowserJobInit) {
super();
this._status = BrowserJobStatus.initialized;
this._startTime = new Date();
this._total = 0;
this._passed = 0;
this._opts = opts;
this._proxy = proxy;
this.browserConnections = browserConnections;
this._screenshots = screenshots;
this.warningLog = warningLog;
this.fixtureHookController = fixtureHookController;
this._result = null;
this._messageBus = messageBus;
this._testRunHook = new TestRunHookController(tests, (opts.hooks as GlobalHooks)?.testRun);
this._testRunControllerQueue = tests.map((test, index) => this._createTestRunController(test, index));
this._disableConcurrencyQueue = {};
this._completionQueue = [];
this._reportsPending = [];
this._connectionErrorListener = (error: Error) => this._setResult(BrowserJobResult.errored, error);
this._resolveWaitingLastTestInFixture = null;
this.browserConnections.map(bc => bc.once('error', this._connectionErrorListener));
}
private _createTestRunController (test: Test, index: number): TestRunController {
const testRunController = new TestRunController({
test,
index: index + 1,
proxy: this._proxy,
screenshots: this._screenshots,
warningLog: this.warningLog,
fixtureHookController: this.fixtureHookController,
opts: this._opts,
messageBus: this._messageBus,
testRunHook: this._testRunHook,
});
testRunController.on('test-run-create', async testRunInfo => {
await this.emit('test-run-create', testRunInfo);
});
testRunController.on('test-run-ready', async () => {
await this.emit('test-run-ready', testRunController);
});
testRunController.on('test-run-restart', async () => this._onTestRunRestart(testRunController));
testRunController.on('test-run-before-done', async () => {
await this.emit('test-run-before-done', testRunController);
});
testRunController.on('test-run-done', async () => this._onTestRunDone(testRunController));
testRunController.on('test-action-done', async args => {
await this.emit('test-action-done', args);
});
return testRunController;
}
private async _setResult (status: BrowserJobResult, data?: any): Promise<void> {
if (this._result)
return;
this._result = { status, data };
this.browserConnections.forEach(bc => bc.removeListener('error', this._connectionErrorListener));
await Promise.all(this.browserConnections.map(bc => bc.reportJobResult((this._result as BrowserJobResultInfo).status, (this._result as BrowserJobResultInfo).data)));
}
private _addToCompletionQueue (testRunInfo: TestRunController): void {
this._completionQueue.push(testRunInfo);
}
private _removeFromCompletionQueue (testRunInfo: TestRunController): void {
remove(this._completionQueue, testRunInfo);
}
private async _onTestRunRestart (testRunController: TestRunController): Promise<void> {
this._removeFromCompletionQueue(testRunController);
this._testRunControllerQueue.unshift(testRunController);
await this.emit('test-run-restart', testRunController);
}
private async _onTestRunDone (testRunController: TestRunController): Promise<void> {
testRunController.testRun.finishTime = new Date();
this._total++;
if (!testRunController.testRun.errs.length)
this._passed++;
while (this._completionQueue.length && this._completionQueue[0].done) {
testRunController = this._completionQueue.shift() as TestRunController;
await this.emit('test-run-done', testRunController.testRun);
remove(this._reportsPending, testRunController);
if (!this._reportsPending.length && this._resolveWaitingLastTestInFixture) {
this._resolveWaitingLastTestInFixture();
this._resolveWaitingLastTestInFixture = null;
}
}
if (!this._completionQueue.length && !this.hasQueuedTestRuns) {
if (!this._opts.live)
SessionController.closeSession(testRunController.testRun);
this
._setResult(BrowserJobResult.done, { total: this._total, passed: this._passed })
.then(() => this.emit('done'));
}
}
private async _isNextTestRunAvailable (testRunController: TestRunController): Promise<boolean> {
// NOTE: event task start is currently executing,
// so test run is temporary blocked
if (this._status === BrowserJobStatus.starting)
return false;
// NOTE: before hook for test run fixture is currently
// executing, so test run is temporary blocked
const isBlocked = testRunController.blocked;
const isConcurrency = this._opts.concurrency as number > 1;
const hasIncompleteTestRuns = this._completionQueue.some(controller => !controller.done);
const needWaitLastTestInFixture = this._reportsPending.some(controller => controller.test.fixture !== testRunController.test.fixture);
if (isBlocked || (hasIncompleteTestRuns || needWaitLastTestInFixture) && !isConcurrency) {
const disablePageReloads = testRunController.test.disablePageReloads ||
this._opts.disablePageReloads && testRunController.test.disablePageReloads !== false;
if (!needWaitLastTestInFixture || !disablePageReloads)
return false;
// NOTE: if we have `disablePageReloads` enabled and the next test is from next
// fixture, then we need to wait until all reporters finished to prevent
// redirecting to the `idle` page
await new Promise(resolve => {
this._resolveWaitingLastTestInFixture = resolve;
});
}
return true;
}
private _getTestControllerQueue (connectionId: string): TestRunController[] {
if (this._disableConcurrencyQueue[connectionId]?.length)
return this._disableConcurrencyQueue[connectionId];
return this._testRunControllerQueue;
}
private _getNextFixtureFirstTestIndex ( fixtureId: string ): number {
const nextFixtureFirstTestIndex = this._testRunControllerQueue.findIndex(testRun => testRun.test.fixture?.id !== fixtureId);
return nextFixtureFirstTestIndex === -1 ? this._testRunControllerQueue.length : nextFixtureFirstTestIndex;
}
private _updateTestControllerQueues ({ test }: TestRunController, connectionId: string): void {
if (!test.disableConcurrency || this._disableConcurrencyQueue[connectionId]?.length)
return;
this._disableConcurrencyQueue[connectionId] = this._testRunControllerQueue.splice(0, this._getNextFixtureFirstTestIndex(test.fixture?.id as string));
}
// API
public get hasQueuedTestRuns (): boolean {
if (this._testRunControllerQueue.length)
return true;
for (const connectionId in this._disableConcurrencyQueue) {
if (this._disableConcurrencyQueue[connectionId].length)
return true;
}
return false;
}
public get currentTestRun (): LegacyTestRun | TestRun | null {
return this._completionQueue.length ? this._completionQueue[0].testRun : null;
}
public async popNextTestRunInfo (connection: BrowserConnection): Promise<NextTestRunInfo | null> {
while (this.hasQueuedTestRuns) {
const currentQueue = this._getTestControllerQueue(connection.id);
const testRunController = currentQueue[0];
if (!testRunController)
break;
const isNextTestRunAvailable = await this._isNextTestRunAvailable(testRunController);
if (!isNextTestRunAvailable)
break;
this._reportsPending.push(testRunController);
currentQueue.shift();
this._updateTestControllerQueues(testRunController, connection.id);
this._addToCompletionQueue(testRunController);
if (this._status === BrowserJobStatus.initialized) {
this._status = BrowserJobStatus.starting;
this._startTime = new Date();
await this.emit('start', this._startTime);
this._status = BrowserJobStatus.started;
}
const testRunUrl = await testRunController.start(connection, this._startTime);
if (testRunUrl) {
return {
testRunId: testRunController.testRun.id,
url: testRunUrl,
};
}
}
return null;
}
public abort (): void {
this.clearListeners();
this._setResult(BrowserJobResult.aborted);
this.browserConnections.map(bc => bc.removeJob(this));
}
}