playwright/packages/playwright/src/index.ts

752 lines
32 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the 'License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import * as fs from 'fs';
import * as path from 'path';
import type { APIRequestContext, BrowserContext, Browser, BrowserContextOptions, LaunchOptions, Page, Tracing, Video } from 'playwright-core';
import * as playwrightLibrary from 'playwright-core';
import { createGuid, debugMode, addInternalStackPrefix, isString, asLocator, jsonStringifyForceASCII, zones } from 'playwright-core/lib/utils';
import type { ExpectZone } from 'playwright-core/lib/utils';
import type { Fixtures, PlaywrightTestArgs, PlaywrightTestOptions, PlaywrightWorkerArgs, PlaywrightWorkerOptions, ScreenshotMode, TestInfo, TestType, VideoMode } from '../types/test';
import type { TestInfoImpl, TestStepInternal } from './worker/testInfo';
import { rootTestType } from './common/testType';
import type { ContextReuseMode } from './common/config';
import type { ApiCallData, ClientInstrumentation, ClientInstrumentationListener } from '../../playwright-core/src/client/clientInstrumentation';
import { currentTestInfo } from './common/globals';
export { expect } from './matchers/expect';
export const _baseTest: TestType<{}, {}> = rootTestType.test;
addInternalStackPrefix(path.dirname(require.resolve('../package.json')));
if ((process as any)['__pw_initiator__']) {
const originalStackTraceLimit = Error.stackTraceLimit;
Error.stackTraceLimit = 200;
try {
throw new Error('Requiring @playwright/test second time, \nFirst:\n' + (process as any)['__pw_initiator__'] + '\n\nSecond: ');
} finally {
Error.stackTraceLimit = originalStackTraceLimit;
}
} else {
(process as any)['__pw_initiator__'] = new Error().stack;
}
type TestFixtures = PlaywrightTestArgs & PlaywrightTestOptions & {
_combinedContextOptions: BrowserContextOptions,
_setupContextOptions: void;
_setupArtifacts: void;
_contextFactory: (options?: BrowserContextOptions) => Promise<BrowserContext>;
};
type WorkerFixtures = PlaywrightWorkerArgs & PlaywrightWorkerOptions & {
_browserOptions: LaunchOptions;
_optionContextReuseMode: ContextReuseMode,
_optionConnectOptions: PlaywrightWorkerOptions['connectOptions'],
_reuseContext: boolean,
};
const playwrightFixtures: Fixtures<TestFixtures, WorkerFixtures> = ({
defaultBrowserType: ['chromium', { scope: 'worker', option: true }],
browserName: [({ defaultBrowserType }, use) => use(defaultBrowserType), { scope: 'worker', option: true }],
playwright: [async ({}, use) => {
await use(require('playwright-core'));
}, { scope: 'worker', box: true }],
headless: [({ launchOptions }, use) => use(launchOptions.headless ?? true), { scope: 'worker', option: true }],
channel: [({ launchOptions }, use) => use(launchOptions.channel), { scope: 'worker', option: true }],
launchOptions: [{}, { scope: 'worker', option: true }],
connectOptions: [async ({ _optionConnectOptions }, use) => {
await use(connectOptionsFromEnv() || _optionConnectOptions);
}, { scope: 'worker', option: true }],
screenshot: ['off', { scope: 'worker', option: true }],
video: ['off', { scope: 'worker', option: true }],
trace: ['off', { scope: 'worker', option: true }],
_browserOptions: [async ({ playwright, headless, channel, launchOptions }, use) => {
const options: LaunchOptions = {
handleSIGINT: false,
...launchOptions,
};
if (headless !== undefined)
options.headless = headless;
if (channel !== undefined)
options.channel = channel;
options.tracesDir = tracing().tracesDir();
for (const browserType of [playwright.chromium, playwright.firefox, playwright.webkit, playwright._bidiChromium, playwright._bidiFirefox])
(browserType as any)._defaultLaunchOptions = options;
await use(options);
for (const browserType of [playwright.chromium, playwright.firefox, playwright.webkit, playwright._bidiChromium, playwright._bidiFirefox])
(browserType as any)._defaultLaunchOptions = undefined;
}, { scope: 'worker', auto: true, box: true }],
browser: [async ({ playwright, browserName, _browserOptions, connectOptions, _reuseContext }, use, testInfo) => {
if (!['chromium', 'firefox', 'webkit', '_bidiChromium', '_bidiFirefox'].includes(browserName))
throw new Error(`Unexpected browserName "${browserName}", must be one of "chromium", "firefox" or "webkit"`);
if (connectOptions) {
const browser = await playwright[browserName].connect({
...connectOptions,
exposeNetwork: connectOptions.exposeNetwork ?? (connectOptions as any)._exposeNetwork,
headers: {
...(_reuseContext ? { 'x-playwright-reuse-context': '1' } : {}),
// HTTP headers are ASCII only (not UTF-8).
'x-playwright-launch-options': jsonStringifyForceASCII(_browserOptions),
...connectOptions.headers,
},
});
await use(browser);
await (browser as any)._wrapApiCall(async () => {
await browser.close({ reason: 'Test ended.' });
}, true);
return;
}
const browser = await playwright[browserName].launch();
await use(browser);
await (browser as any)._wrapApiCall(async () => {
await browser.close({ reason: 'Test ended.' });
}, true);
}, { scope: 'worker', timeout: 0 }],
acceptDownloads: [({ contextOptions }, use) => use(contextOptions.acceptDownloads ?? true), { option: true }],
bypassCSP: [({ contextOptions }, use) => use(contextOptions.bypassCSP ?? false), { option: true }],
colorScheme: [({ contextOptions }, use) => use(contextOptions.colorScheme === undefined ? 'light' : contextOptions.colorScheme), { option: true }],
deviceScaleFactor: [({ contextOptions }, use) => use(contextOptions.deviceScaleFactor), { option: true }],
extraHTTPHeaders: [({ contextOptions }, use) => use(contextOptions.extraHTTPHeaders), { option: true }],
geolocation: [({ contextOptions }, use) => use(contextOptions.geolocation), { option: true }],
hasTouch: [({ contextOptions }, use) => use(contextOptions.hasTouch ?? false), { option: true }],
httpCredentials: [({ contextOptions }, use) => use(contextOptions.httpCredentials), { option: true }],
ignoreHTTPSErrors: [({ contextOptions }, use) => use(contextOptions.ignoreHTTPSErrors ?? false), { option: true }],
isMobile: [({ contextOptions }, use) => use(contextOptions.isMobile ?? false), { option: true }],
javaScriptEnabled: [({ contextOptions }, use) => use(contextOptions.javaScriptEnabled ?? true), { option: true }],
locale: [({ contextOptions }, use) => use(contextOptions.locale ?? 'en-US'), { option: true }],
offline: [({ contextOptions }, use) => use(contextOptions.offline ?? false), { option: true }],
permissions: [({ contextOptions }, use) => use(contextOptions.permissions), { option: true }],
proxy: [({ contextOptions }, use) => use(contextOptions.proxy), { option: true }],
storageState: [({ contextOptions }, use) => use(contextOptions.storageState), { option: true }],
clientCertificates: [({ contextOptions }, use) => use(contextOptions.clientCertificates), { option: true }],
timezoneId: [({ contextOptions }, use) => use(contextOptions.timezoneId), { option: true }],
userAgent: [({ contextOptions }, use) => use(contextOptions.userAgent), { option: true }],
viewport: [({ contextOptions }, use) => use(contextOptions.viewport === undefined ? { width: 1280, height: 720 } : contextOptions.viewport), { option: true }],
actionTimeout: [0, { option: true }],
testIdAttribute: ['data-testid', { option: true }],
navigationTimeout: [0, { option: true }],
baseURL: [async ({ }, use) => {
await use(process.env.PLAYWRIGHT_TEST_BASE_URL);
}, { option: true }],
serviceWorkers: [({ contextOptions }, use) => use(contextOptions.serviceWorkers ?? 'allow'), { option: true }],
contextOptions: [{}, { option: true }],
_combinedContextOptions: [async ({
acceptDownloads,
bypassCSP,
clientCertificates,
colorScheme,
deviceScaleFactor,
extraHTTPHeaders,
hasTouch,
geolocation,
httpCredentials,
ignoreHTTPSErrors,
isMobile,
javaScriptEnabled,
locale,
offline,
permissions,
proxy,
storageState,
viewport,
timezoneId,
userAgent,
baseURL,
contextOptions,
serviceWorkers,
}, use) => {
const options: BrowserContextOptions = {};
if (acceptDownloads !== undefined)
options.acceptDownloads = acceptDownloads;
if (bypassCSP !== undefined)
options.bypassCSP = bypassCSP;
if (colorScheme !== undefined)
options.colorScheme = colorScheme;
if (deviceScaleFactor !== undefined)
options.deviceScaleFactor = deviceScaleFactor;
if (extraHTTPHeaders !== undefined)
options.extraHTTPHeaders = extraHTTPHeaders;
if (geolocation !== undefined)
options.geolocation = geolocation;
if (hasTouch !== undefined)
options.hasTouch = hasTouch;
if (httpCredentials !== undefined)
options.httpCredentials = httpCredentials;
if (ignoreHTTPSErrors !== undefined)
options.ignoreHTTPSErrors = ignoreHTTPSErrors;
if (isMobile !== undefined)
options.isMobile = isMobile;
if (javaScriptEnabled !== undefined)
options.javaScriptEnabled = javaScriptEnabled;
if (locale !== undefined)
options.locale = locale;
if (offline !== undefined)
options.offline = offline;
if (permissions !== undefined)
options.permissions = permissions;
if (proxy !== undefined)
options.proxy = proxy;
if (storageState !== undefined)
options.storageState = storageState;
if (clientCertificates?.length)
options.clientCertificates = resolveClientCerticates(clientCertificates);
if (timezoneId !== undefined)
options.timezoneId = timezoneId;
if (userAgent !== undefined)
options.userAgent = userAgent;
if (viewport !== undefined)
options.viewport = viewport;
if (baseURL !== undefined)
options.baseURL = baseURL;
if (serviceWorkers !== undefined)
options.serviceWorkers = serviceWorkers;
await use({
...contextOptions,
...options,
});
}, { box: true }],
_setupContextOptions: [async ({ playwright, _combinedContextOptions, actionTimeout, navigationTimeout, testIdAttribute }, use, testInfo) => {
if (testIdAttribute)
playwrightLibrary.selectors.setTestIdAttribute(testIdAttribute);
testInfo.snapshotSuffix = process.platform;
if (debugMode())
(testInfo as TestInfoImpl)._setDebugMode();
for (const browserType of [playwright.chromium, playwright.firefox, playwright.webkit]) {
(browserType as any)._defaultContextOptions = _combinedContextOptions;
(browserType as any)._defaultContextTimeout = actionTimeout || 0;
(browserType as any)._defaultContextNavigationTimeout = navigationTimeout || 0;
}
(playwright.request as any)._defaultContextOptions = { ..._combinedContextOptions };
(playwright.request as any)._defaultContextOptions.tracesDir = tracing().tracesDir();
(playwright.request as any)._defaultContextOptions.timeout = actionTimeout || 0;
await use();
(playwright.request as any)._defaultContextOptions = undefined;
for (const browserType of [playwright.chromium, playwright.firefox, playwright.webkit]) {
(browserType as any)._defaultContextOptions = undefined;
(browserType as any)._defaultContextTimeout = undefined;
(browserType as any)._defaultContextNavigationTimeout = undefined;
}
}, { auto: 'all-hooks-included', title: 'context configuration', box: true } as any],
_setupArtifacts: [async ({ playwright, screenshot }, use, testInfo) => {
// This fixture has a separate zero-timeout slot to ensure that artifact collection
// happens even after some fixtures or hooks time out.
// Now that default test timeout is known, we can replace zero with an actual value.
testInfo.setTimeout(testInfo.project.timeout);
const artifactsRecorder = new ArtifactsRecorder(playwright, tracing().artifactsDir(), screenshot);
await artifactsRecorder.willStartTest(testInfo as TestInfoImpl);
const tracingGroupSteps: TestStepInternal[] = [];
const csiListener: ClientInstrumentationListener = {
onApiCallBegin: (data: ApiCallData) => {
const testInfo = currentTestInfo();
// Some special calls do not get into steps.
if (!testInfo || data.apiName.includes('setTestIdAttribute') || data.apiName === 'tracing.groupEnd')
return;
const expectZone = zones.zoneData<ExpectZone>('expectZone');
if (expectZone) {
// Display the internal locator._expect call under the name of the enclosing expect call,
// and connect it to the existing expect step.
data.apiName = expectZone.title;
data.stepId = expectZone.stepId;
return;
}
// In the general case, create a step for each api call and connect them through the stepId.
const step = testInfo._addStep({
location: data.frames[0],
category: 'pw:api',
title: renderApiCall(data.apiName, data.params),
apiName: data.apiName,
params: data.params,
}, tracingGroupSteps[tracingGroupSteps.length - 1]);
data.userData = step;
data.stepId = step.stepId;
if (data.apiName === 'tracing.group')
tracingGroupSteps.push(step);
},
onApiCallEnd: (data: ApiCallData) => {
// "tracing.group" step will end later, when "tracing.groupEnd" finishes.
if (data.apiName === 'tracing.group')
return;
if (data.apiName === 'tracing.groupEnd') {
const step = tracingGroupSteps.pop();
step?.complete({ error: data.error });
return;
}
const step = data.userData;
step?.complete({ error: data.error });
},
onWillPause: ({ keepTestTimeout }) => {
if (!keepTestTimeout)
currentTestInfo()?._setDebugMode();
},
runAfterCreateBrowserContext: async (context: BrowserContext) => {
await artifactsRecorder?.didCreateBrowserContext(context);
const testInfo = currentTestInfo();
if (testInfo)
attachConnectedHeaderIfNeeded(testInfo, context.browser());
},
runAfterCreateRequestContext: async (context: APIRequestContext) => {
await artifactsRecorder?.didCreateRequestContext(context);
},
runBeforeCloseBrowserContext: async (context: BrowserContext) => {
await artifactsRecorder?.willCloseBrowserContext(context);
},
runBeforeCloseRequestContext: async (context: APIRequestContext) => {
await artifactsRecorder?.willCloseRequestContext(context);
},
};
const clientInstrumentation = (playwright as any)._instrumentation as ClientInstrumentation;
clientInstrumentation.addListener(csiListener);
await use();
clientInstrumentation.removeListener(csiListener);
await artifactsRecorder.didFinishTest();
}, { auto: 'all-hooks-included', title: 'trace recording', box: true, timeout: 0 } as any],
_contextFactory: [async ({ browser, video, _reuseContext, _combinedContextOptions /** mitigate dep-via-auto lack of traceability */ }, use, testInfo) => {
const testInfoImpl = testInfo as TestInfoImpl;
const videoMode = normalizeVideoMode(video);
const captureVideo = shouldCaptureVideo(videoMode, testInfo) && !_reuseContext;
const contexts = new Map<BrowserContext, { pagesWithVideo: Page[] }>();
await use(async options => {
const hook = testInfoImpl._currentHookType();
if (hook === 'beforeAll' || hook === 'afterAll') {
throw new Error([
`"context" and "page" fixtures are not supported in "${hook}" since they are created on a per-test basis.`,
`If you would like to reuse a single page between tests, create context manually with browser.newContext(). See https://aka.ms/playwright/reuse-page for details.`,
`If you would like to configure your page before each test, do that in beforeEach hook instead.`,
].join('\n'));
}
const videoOptions: BrowserContextOptions = captureVideo ? {
recordVideo: {
dir: tracing().artifactsDir(),
size: typeof video === 'string' ? undefined : video.size,
}
} : {};
const context = await browser.newContext({ ...videoOptions, ...options });
const contextData: { pagesWithVideo: Page[] } = { pagesWithVideo: [] };
contexts.set(context, contextData);
if (captureVideo)
context.on('page', page => contextData.pagesWithVideo.push(page));
if (process.env.PW_CLOCK === 'frozen') {
await (context as any)._wrapApiCall(async () => {
await context.clock.install({ time: 0 });
await context.clock.pauseAt(1000);
}, true);
} else if (process.env.PW_CLOCK === 'realtime') {
await (context as any)._wrapApiCall(async () => {
await context.clock.install({ time: 0 });
}, true);
}
return context;
});
let counter = 0;
const closeReason = testInfo.status === 'timedOut' ? 'Test timeout of ' + testInfo.timeout + 'ms exceeded.' : 'Test ended.';
await Promise.all([...contexts.keys()].map(async context => {
await (context as any)._wrapApiCall(async () => {
await context.close({ reason: closeReason });
}, true);
const testFailed = testInfo.status !== testInfo.expectedStatus;
const preserveVideo = captureVideo && (videoMode === 'on' || (testFailed && videoMode === 'retain-on-failure') || (videoMode === 'on-first-retry' && testInfo.retry === 1));
if (preserveVideo) {
const { pagesWithVideo: pagesForVideo } = contexts.get(context)!;
const videos = pagesForVideo.map(p => p.video()).filter(Boolean) as Video[];
await Promise.all(videos.map(async v => {
try {
const savedPath = testInfo.outputPath(`video${counter ? '-' + counter : ''}.webm`);
++counter;
await v.saveAs(savedPath);
testInfo.attachments.push({ name: 'video', path: savedPath, contentType: 'video/webm' });
} catch (e) {
// Silent catch empty videos.
}
}));
}
}));
}, { scope: 'test', title: 'context', box: true }],
_optionContextReuseMode: ['none', { scope: 'worker', option: true }],
_optionConnectOptions: [undefined, { scope: 'worker', option: true }],
_reuseContext: [async ({ video, _optionContextReuseMode }, use) => {
let mode = _optionContextReuseMode;
if (process.env.PW_TEST_REUSE_CONTEXT)
mode = 'when-possible';
const reuse = mode === 'when-possible' && normalizeVideoMode(video) === 'off';
await use(reuse);
}, { scope: 'worker', title: 'context', box: true }],
context: async ({ playwright, browser, _reuseContext, _contextFactory }, use, testInfo) => {
attachConnectedHeaderIfNeeded(testInfo, browser);
if (!_reuseContext) {
await use(await _contextFactory());
return;
}
const defaultContextOptions = (playwright.chromium as any)._defaultContextOptions as BrowserContextOptions;
const context = await (browser as any)._newContextForReuse(defaultContextOptions);
(context as any)[kIsReusedContext] = true;
await use(context);
const closeReason = testInfo.status === 'timedOut' ? 'Test timeout of ' + testInfo.timeout + 'ms exceeded.' : 'Test ended.';
await (browser as any)._stopPendingOperations(closeReason);
},
page: async ({ context, _reuseContext }, use) => {
if (!_reuseContext) {
await use(await context.newPage());
return;
}
// First time we are reusing the context, we should create the page.
let [page] = context.pages();
if (!page)
page = await context.newPage();
await use(page);
},
request: async ({ playwright }, use) => {
const request = await playwright.request.newContext();
await use(request);
const hook = (test.info() as TestInfoImpl)._currentHookType();
if (hook === 'beforeAll') {
await request.dispose({ reason: [
`Fixture { request } from beforeAll cannot be reused in a test.`,
` - Recommended fix: use a separate { request } in the test.`,
` - Alternatively, manually create APIRequestContext in beforeAll and dispose it in afterAll.`,
`See https://playwright.dev/docs/api-testing#sending-api-requests-from-ui-tests for more details.`,
].join('\n') });
} else {
await request.dispose();
}
},
});
type ScreenshotOption = PlaywrightWorkerOptions['screenshot'] | undefined;
type Playwright = PlaywrightWorkerArgs['playwright'];
function normalizeVideoMode(video: VideoMode | 'retry-with-video' | { mode: VideoMode } | undefined): VideoMode {
if (!video)
return 'off';
let videoMode = typeof video === 'string' ? video : video.mode;
if (videoMode === 'retry-with-video')
videoMode = 'on-first-retry';
return videoMode;
}
function shouldCaptureVideo(videoMode: VideoMode, testInfo: TestInfo) {
return (videoMode === 'on' || videoMode === 'retain-on-failure' || (videoMode === 'on-first-retry' && testInfo.retry === 1));
}
function normalizeScreenshotMode(screenshot: ScreenshotOption): ScreenshotMode {
if (!screenshot)
return 'off';
return typeof screenshot === 'string' ? screenshot : screenshot.mode;
}
function attachConnectedHeaderIfNeeded(testInfo: TestInfo, browser: Browser | null) {
const connectHeaders: { name: string, value: string }[] | undefined = (browser as any)?._connectHeaders;
if (!connectHeaders)
return;
for (const header of connectHeaders) {
if (header.name !== 'x-playwright-attachment')
continue;
const [name, value] = header.value.split('=');
if (!name || !value)
continue;
if (testInfo.attachments.some(attachment => attachment.name === name))
continue;
testInfo.attachments.push({ name, contentType: 'text/plain', body: Buffer.from(value) });
}
}
function resolveFileToConfig(file: string | undefined) {
const config = test.info().config.configFile;
if (!config || !file)
return file;
if (path.isAbsolute(file))
return file;
return path.resolve(path.dirname(config), file);
}
type ClientCertificates = NonNullable<PlaywrightTestOptions['clientCertificates']>;
function resolveClientCerticates(clientCertificates: ClientCertificates): ClientCertificates {
for (const cert of clientCertificates) {
cert.certPath = resolveFileToConfig(cert.certPath);
cert.keyPath = resolveFileToConfig(cert.keyPath);
cert.pfxPath = resolveFileToConfig(cert.pfxPath);
}
return clientCertificates;
}
const kTracingStarted = Symbol('kTracingStarted');
const kIsReusedContext = Symbol('kReusedContext');
function connectOptionsFromEnv() {
const wsEndpoint = process.env.PW_TEST_CONNECT_WS_ENDPOINT;
if (!wsEndpoint)
return undefined;
const headers = process.env.PW_TEST_CONNECT_HEADERS ? JSON.parse(process.env.PW_TEST_CONNECT_HEADERS) : undefined;
return {
wsEndpoint,
headers,
exposeNetwork: process.env.PW_TEST_CONNECT_EXPOSE_NETWORK,
};
}
class ArtifactsRecorder {
private _testInfo!: TestInfoImpl;
private _playwright: Playwright;
private _artifactsDir: string;
private _screenshotMode: ScreenshotMode;
private _screenshotOptions: { mode: ScreenshotMode } & Pick<playwrightLibrary.PageScreenshotOptions, 'fullPage' | 'omitBackground'> | undefined;
private _temporaryScreenshots: string[] = [];
private _temporaryArtifacts: string[] = [];
private _reusedContexts = new Set<BrowserContext>();
private _screenshotOrdinal = 0;
private _screenshottedSymbol: symbol;
private _startedCollectingArtifacts: symbol;
constructor(playwright: Playwright, artifactsDir: string, screenshot: ScreenshotOption) {
this._playwright = playwright;
this._artifactsDir = artifactsDir;
this._screenshotMode = normalizeScreenshotMode(screenshot);
this._screenshotOptions = typeof screenshot === 'string' ? undefined : screenshot;
this._screenshottedSymbol = Symbol('screenshotted');
this._startedCollectingArtifacts = Symbol('startedCollectingArtifacts');
}
private _createTemporaryArtifact(...name: string[]) {
const file = path.join(this._artifactsDir, ...name);
this._temporaryArtifacts.push(file);
return file;
}
async willStartTest(testInfo: TestInfoImpl) {
this._testInfo = testInfo;
testInfo._onDidFinishTestFunction = () => this.didFinishTestFunction();
// Since beforeAll(s), test and afterAll(s) reuse the same TestInfo, make sure we do not
// overwrite previous screenshots.
this._screenshotOrdinal = testInfo.attachments.filter(a => a.name === 'screenshot').length;
// Process existing contexts.
for (const browserType of [this._playwright.chromium, this._playwright.firefox, this._playwright.webkit]) {
const promises: (Promise<void> | undefined)[] = [];
const existingContexts = Array.from((browserType as any)._contexts) as BrowserContext[];
for (const context of existingContexts) {
if ((context as any)[kIsReusedContext])
this._reusedContexts.add(context);
else
promises.push(this.didCreateBrowserContext(context));
}
await Promise.all(promises);
}
{
const existingApiRequests: APIRequestContext[] = Array.from((this._playwright.request as any)._contexts as Set<APIRequestContext>);
await Promise.all(existingApiRequests.map(c => this.didCreateRequestContext(c)));
}
}
async didCreateBrowserContext(context: BrowserContext) {
await this._startTraceChunkOnContextCreation(context.tracing);
}
async willCloseBrowserContext(context: BrowserContext) {
// When reusing context, we get all previous contexts closed at the start of next test.
// Do not record empty traces and useless screenshots for them.
if (this._reusedContexts.has(context))
return;
await this._stopTracing(context.tracing);
if (this._screenshotMode === 'on' || this._screenshotMode === 'only-on-failure' || (this._screenshotMode === 'on-first-failure' && this._testInfo.retry === 0)) {
// Capture screenshot for now. We'll know whether we have to preserve them
// after the test finishes.
await Promise.all(context.pages().map(page => this._screenshotPage(page, true)));
}
}
async didCreateRequestContext(context: APIRequestContext) {
const tracing = (context as any)._tracing as Tracing;
await this._startTraceChunkOnContextCreation(tracing);
}
async willCloseRequestContext(context: APIRequestContext) {
const tracing = (context as any)._tracing as Tracing;
await this._stopTracing(tracing);
}
private _shouldCaptureScreenshotUponFinish() {
return this._screenshotMode === 'on' ||
(this._screenshotMode === 'only-on-failure' && this._testInfo._isFailure()) ||
(this._screenshotMode === 'on-first-failure' && this._testInfo._isFailure() && this._testInfo.retry === 0);
}
async didFinishTestFunction() {
if (this._shouldCaptureScreenshotUponFinish())
await this._screenshotOnTestFailure();
}
async didFinishTest() {
const captureScreenshots = this._shouldCaptureScreenshotUponFinish();
if (captureScreenshots)
await this._screenshotOnTestFailure();
let leftoverContexts: BrowserContext[] = [];
for (const browserType of [this._playwright.chromium, this._playwright.firefox, this._playwright.webkit])
leftoverContexts.push(...(browserType as any)._contexts);
leftoverContexts = leftoverContexts.filter(context => !this._reusedContexts.has(context));
const leftoverApiRequests: APIRequestContext[] = Array.from((this._playwright.request as any)._contexts as Set<APIRequestContext>);
// Collect traces/screenshots for remaining contexts.
await Promise.all(leftoverContexts.map(async context => {
await this._stopTracing(context.tracing);
}).concat(leftoverApiRequests.map(async context => {
const tracing = (context as any)._tracing as Tracing;
await this._stopTracing(tracing);
})));
// Attach temporary screenshots for contexts closed before collecting the test trace.
if (captureScreenshots) {
for (const file of this._temporaryScreenshots) {
try {
const screenshotPath = this._createScreenshotAttachmentPath();
await fs.promises.rename(file, screenshotPath);
this._attachScreenshot(screenshotPath);
} catch {
}
}
}
}
private _createScreenshotAttachmentPath() {
const testFailed = this._testInfo._isFailure();
const index = this._screenshotOrdinal + 1;
++this._screenshotOrdinal;
const screenshotPath = this._testInfo.outputPath(`test-${testFailed ? 'failed' : 'finished'}-${index}.png`);
return screenshotPath;
}
private async _screenshotPage(page: Page, temporary: boolean) {
if ((page as any)[this._screenshottedSymbol])
return;
(page as any)[this._screenshottedSymbol] = true;
try {
const screenshotPath = temporary ? this._createTemporaryArtifact(createGuid() + '.png') : this._createScreenshotAttachmentPath();
// Pass caret=initial to avoid any evaluations that might slow down the screenshot
// and let the page modify itself from the problematic state it had at the moment of failure.
await page.screenshot({ ...this._screenshotOptions, timeout: 5000, path: screenshotPath, caret: 'initial' });
if (temporary)
this._temporaryScreenshots.push(screenshotPath);
else
this._attachScreenshot(screenshotPath);
} catch {
// Screenshot may fail, just ignore.
}
}
private _attachScreenshot(screenshotPath: string) {
this._testInfo.attachments.push({ name: 'screenshot', path: screenshotPath, contentType: 'image/png' });
}
private async _screenshotOnTestFailure() {
const contexts: BrowserContext[] = [];
for (const browserType of [this._playwright.chromium, this._playwright.firefox, this._playwright.webkit])
contexts.push(...(browserType as any)._contexts);
const pages = contexts.map(ctx => ctx.pages()).flat();
await Promise.all(pages.map(page => this._screenshotPage(page, false)));
}
private async _startTraceChunkOnContextCreation(tracing: Tracing) {
const options = this._testInfo._tracing.traceOptions();
if (options) {
const title = this._testInfo._tracing.traceTitle();
const name = this._testInfo._tracing.generateNextTraceRecordingName();
if (!(tracing as any)[kTracingStarted]) {
await tracing.start({ ...options, title, name });
(tracing as any)[kTracingStarted] = true;
} else {
await tracing.startChunk({ title, name });
}
} else {
if ((tracing as any)[kTracingStarted]) {
(tracing as any)[kTracingStarted] = false;
await tracing.stop();
}
}
}
private async _stopTracing(tracing: Tracing) {
if ((tracing as any)[this._startedCollectingArtifacts])
return;
(tracing as any)[this._startedCollectingArtifacts] = true;
if (this._testInfo._tracing.traceOptions() && (tracing as any)[kTracingStarted])
await tracing.stopChunk({ path: this._testInfo._tracing.generateNextTraceRecordingPath() });
}
}
const paramsToRender = ['url', 'selector', 'text', 'key'];
function renderApiCall(apiName: string, params: any) {
if (apiName === 'tracing.group')
return params.name;
const paramsArray = [];
if (params) {
for (const name of paramsToRender) {
if (!(name in params))
continue;
let value;
if (name === 'selector' && isString(params[name]) && params[name].startsWith('internal:')) {
const getter = asLocator('javascript', params[name]);
apiName = apiName.replace(/^locator\./, 'locator.' + getter + '.');
apiName = apiName.replace(/^page\./, 'page.' + getter + '.');
apiName = apiName.replace(/^frame\./, 'frame.' + getter + '.');
} else {
value = params[name];
paramsArray.push(value);
}
}
}
const paramsText = paramsArray.length ? '(' + paramsArray.join(', ') + ')' : '';
return apiName + paramsText;
}
function tracing() {
return (test.info() as TestInfoImpl)._tracing;
}
export const test = _baseTest.extend<TestFixtures, WorkerFixtures>(playwrightFixtures);
export { defineConfig } from './common/configLoader';
export { mergeTests } from './common/testType';
export { mergeExpects } from './matchers/expect';