playwright/packages/playwright-test/src/worker/testInfo.ts

455 lines
17 KiB
TypeScript

/**
* Copyright Microsoft Corporation. All rights reserved.
*
* 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 fs from 'fs';
import path from 'path';
import { captureRawStack, createAfterActionTraceEventForStep, createBeforeActionTraceEventForStep, monotonicTime, zones } from 'playwright-core/lib/utils';
import type { TestInfoError, TestInfo, TestStatus, FullProject, FullConfig } from '../../types/test';
import type { AttachmentPayload, StepBeginPayload, StepEndPayload, WorkerInitParams } from '../common/ipc';
import type { TestCase } from '../common/test';
import { TimeoutManager } from './timeoutManager';
import type { Annotation, FullConfigInternal, FullProjectInternal } from '../common/config';
import type { Location } from '../../types/testReporter';
import { getContainedPath, normalizeAndSaveAttachment, sanitizeForFilePath, serializeError, trimLongString } from '../util';
import type * as trace from '@trace/trace';
export interface TestStepInternal {
complete(result: { error?: Error | TestInfoError }): void;
stepId: string;
title: string;
category: string;
wallTime: number;
location?: Location;
steps: TestStepInternal[];
laxParent?: boolean;
endWallTime?: number;
apiName?: string;
params?: Record<string, any>;
error?: TestInfoError;
infectParentStepsWithError?: boolean;
}
export class TestInfoImpl implements TestInfo {
private _onStepBegin: (payload: StepBeginPayload) => void;
private _onStepEnd: (payload: StepEndPayload) => void;
private _onAttach: (payload: AttachmentPayload) => void;
readonly _test: TestCase;
readonly _timeoutManager: TimeoutManager;
readonly _startTime: number;
readonly _startWallTime: number;
private _hasHardError: boolean = false;
readonly _traceEvents: trace.TraceEvent[] = [];
_didTimeout = false;
_wasInterrupted = false;
_lastStepId = 0;
readonly _projectInternal: FullProjectInternal;
readonly _configInternal: FullConfigInternal;
readonly _steps: TestStepInternal[] = [];
_beforeHooksStep: TestStepInternal | undefined;
_afterHooksStep: TestStepInternal | undefined;
_onDidFinishTestFunction: (() => Promise<void>) | undefined;
// ------------ TestInfo fields ------------
readonly testId: string;
readonly repeatEachIndex: number;
readonly retry: number;
readonly workerIndex: number;
readonly parallelIndex: number;
readonly project: FullProject;
readonly config: FullConfig;
readonly title: string;
readonly titlePath: string[];
readonly file: string;
readonly line: number;
readonly column: number;
readonly fn: Function;
expectedStatus: TestStatus;
duration: number = 0;
readonly annotations: Annotation[] = [];
readonly attachments: TestInfo['attachments'] = [];
status: TestStatus = 'passed';
readonly stdout: TestInfo['stdout'] = [];
readonly stderr: TestInfo['stderr'] = [];
snapshotSuffix: string = '';
readonly outputDir: string;
readonly snapshotDir: string;
errors: TestInfoError[] = [];
private _attachmentsPush: (...items: TestInfo['attachments']) => number;
get error(): TestInfoError | undefined {
return this.errors[0];
}
set error(e: TestInfoError | undefined) {
if (e === undefined)
throw new Error('Cannot assign testInfo.error undefined value!');
this.errors[0] = e;
}
get timeout(): number {
return this._timeoutManager.defaultSlotTimings().timeout;
}
set timeout(timeout: number) {
// Ignored.
}
constructor(
configInternal: FullConfigInternal,
projectInternal: FullProjectInternal,
workerParams: WorkerInitParams,
test: TestCase,
retry: number,
onStepBegin: (payload: StepBeginPayload) => void,
onStepEnd: (payload: StepEndPayload) => void,
onAttach: (payload: AttachmentPayload) => void,
) {
this._test = test;
this.testId = test.id;
this._onStepBegin = onStepBegin;
this._onStepEnd = onStepEnd;
this._onAttach = onAttach;
this._startTime = monotonicTime();
this._startWallTime = Date.now();
this.repeatEachIndex = workerParams.repeatEachIndex;
this.retry = retry;
this.workerIndex = workerParams.workerIndex;
this.parallelIndex = workerParams.parallelIndex;
this._projectInternal = projectInternal;
this.project = projectInternal.project;
this._configInternal = configInternal;
this.config = configInternal.config;
this.title = test.title;
this.titlePath = test.titlePath();
this.file = test.location.file;
this.line = test.location.line;
this.column = test.location.column;
this.fn = test.fn;
this.expectedStatus = test.expectedStatus;
this._timeoutManager = new TimeoutManager(this.project.timeout);
this.outputDir = (() => {
const relativeTestFilePath = path.relative(this.project.testDir, test._requireFile.replace(/\.(spec|test)\.(js|ts|mjs)$/, ''));
const sanitizedRelativePath = relativeTestFilePath.replace(process.platform === 'win32' ? new RegExp('\\\\', 'g') : new RegExp('/', 'g'), '-');
const fullTitleWithoutSpec = test.titlePath().slice(1).join(' ');
let testOutputDir = trimLongString(sanitizedRelativePath + '-' + sanitizeForFilePath(fullTitleWithoutSpec));
if (projectInternal.id)
testOutputDir += '-' + sanitizeForFilePath(projectInternal.id);
if (this.retry)
testOutputDir += '-retry' + this.retry;
if (this.repeatEachIndex)
testOutputDir += '-repeat' + this.repeatEachIndex;
return path.join(this.project.outputDir, testOutputDir);
})();
this.snapshotDir = (() => {
const relativeTestFilePath = path.relative(this.project.testDir, test._requireFile);
return path.join(this.project.snapshotDir, relativeTestFilePath + '-snapshots');
})();
this._attachmentsPush = this.attachments.push.bind(this.attachments);
this.attachments.push = (...attachments: TestInfo['attachments']) => {
for (const a of attachments)
this._attach(a.name, a);
return this.attachments.length;
};
}
private _modifier(type: 'skip' | 'fail' | 'fixme' | 'slow', modifierArgs: [arg?: any, description?: string]) {
if (typeof modifierArgs[1] === 'function') {
throw new Error([
'It looks like you are calling test.skip() inside the test and pass a callback.',
'Pass a condition instead and optional description instead:',
`test('my test', async ({ page, isMobile }) => {`,
` test.skip(isMobile, 'This test is not applicable on mobile');`,
`});`,
].join('\n'));
}
if (modifierArgs.length >= 1 && !modifierArgs[0])
return;
const description = modifierArgs[1];
this.annotations.push({ type, description });
if (type === 'slow') {
this._timeoutManager.slow();
} else if (type === 'skip' || type === 'fixme') {
this.expectedStatus = 'skipped';
throw new SkipError('Test is skipped: ' + (description || ''));
} else if (type === 'fail') {
if (this.expectedStatus !== 'skipped')
this.expectedStatus = 'failed';
}
}
async _runWithTimeout(cb: () => Promise<any>): Promise<void> {
const timeoutError = await this._timeoutManager.runWithTimeout(cb);
// When interrupting, we arrive here with a timeoutError, but we should not
// consider it a timeout.
if (!this._wasInterrupted && timeoutError && !this._didTimeout) {
this._didTimeout = true;
this.errors.push(timeoutError);
// Do not overwrite existing failure upon hook/teardown timeout.
if (this.status === 'passed' || this.status === 'skipped')
this.status = 'timedOut';
}
this.duration = this._timeoutManager.defaultSlotTimings().elapsed | 0;
}
async _runAndFailOnError(fn: () => Promise<void>, skips?: 'allowSkips'): Promise<TestInfoError | undefined> {
try {
await fn();
} catch (error) {
if (skips === 'allowSkips' && error instanceof SkipError) {
if (this.status === 'passed')
this.status = 'skipped';
} else {
const serialized = serializeError(error);
this._failWithError(serialized, true /* isHardError */);
return serialized;
}
}
}
_addStep(data: Omit<TestStepInternal, 'complete' | 'stepId' | 'steps'>, parentStep?: TestStepInternal): TestStepInternal {
const stepId = `${data.category}@${++this._lastStepId}`;
if (!parentStep)
parentStep = zones.zoneData<TestStepInternal>('stepZone', captureRawStack()) || undefined;
// For out-of-stack calls, locate the enclosing step.
let isLaxParent = false;
if (!parentStep && data.laxParent) {
const visit = (step: TestStepInternal) => {
// Never nest into under another lax element, it could be a series
// of no-reply actions, ala page.continue().
const canNest = step.category === data.category || step.category === 'expect' && data.category === 'attach';
if (!step.endWallTime && canNest && !step.laxParent)
parentStep = step;
step.steps.forEach(visit);
};
this._steps.forEach(visit);
isLaxParent = !!parentStep;
}
const initialAttachments = new Set(this.attachments);
const step: TestStepInternal = {
stepId,
...data,
laxParent: isLaxParent,
steps: [],
complete: result => {
if (step.endWallTime)
return;
step.endWallTime = Date.now();
let error: TestInfoError | undefined;
if (result.error instanceof Error) {
// Step function threw an error.
error = serializeError(result.error);
} else if (result.error) {
// Internal API step reported an error.
error = result.error;
}
step.error = error;
if (!error) {
// Soft errors inside try/catch will make the test fail.
// In order to locate the failing step, we are marking all the parent
// steps as failing unconditionally.
for (const childStep of step.steps) {
if (childStep.error && childStep.infectParentStepsWithError) {
step.error = childStep.error;
step.infectParentStepsWithError = true;
break;
}
}
error = step.error;
}
const payload: StepEndPayload = {
testId: this._test.id,
stepId,
wallTime: step.endWallTime,
error,
};
this._onStepEnd(payload);
const errorForTrace = error ? { name: '', message: error.message || '', stack: error.stack } : undefined;
this._traceEvents.push(createAfterActionTraceEventForStep(stepId, serializeAttachments(this.attachments, initialAttachments), errorForTrace));
}
};
const parentStepList = parentStep ? parentStep.steps : this._steps;
parentStepList.push(step);
const hasLocation = data.location && !data.location.file.includes('@playwright');
// Sanitize location that comes from user land, it might have extra properties.
const location = data.location && hasLocation ? { file: data.location.file, line: data.location.line, column: data.location.column } : undefined;
const payload: StepBeginPayload = {
testId: this._test.id,
stepId,
parentStepId: parentStep ? parentStep.stepId : undefined,
title: data.title,
category: data.category,
wallTime: data.wallTime,
location,
};
this._onStepBegin(payload);
this._traceEvents.push(createBeforeActionTraceEventForStep(stepId, parentStep?.stepId, data.apiName || data.title, data.params, data.wallTime, data.location ? [data.location] : []));
return step;
}
_interrupt() {
// Mark as interrupted so we can ignore TimeoutError thrown by interrupt() call.
this._wasInterrupted = true;
this._timeoutManager.interrupt();
// Do not overwrite existing failure (for example, unhandled rejection) with "interrupted".
if (this.status === 'passed')
this.status = 'interrupted';
}
_failWithError(error: TestInfoError, isHardError: boolean) {
// Do not overwrite any previous hard errors.
// Some (but not all) scenarios include:
// - expect() that fails after uncaught exception.
// - fail after the timeout, e.g. due to fixture teardown.
if (isHardError && this._hasHardError)
return;
if (isHardError)
this._hasHardError = true;
if (this.status === 'passed' || this.status === 'skipped')
this.status = 'failed';
this.errors.push(error);
}
async _runAsStep<T>(stepInfo: Omit<TestStepInternal, 'complete' | 'wallTime' | 'parentStepId' | 'stepId' | 'steps'>, cb: (step: TestStepInternal) => Promise<T>): Promise<T> {
const step = this._addStep({ ...stepInfo, wallTime: Date.now() });
return await zones.run('stepZone', step, async () => {
try {
const result = await cb(step);
step.complete({});
return result;
} catch (e) {
step.complete({ error: e instanceof SkipError ? undefined : serializeError(e) });
throw e;
}
});
}
_isFailure() {
return this.status !== 'skipped' && this.status !== this.expectedStatus;
}
// ------------ TestInfo methods ------------
async attach(name: string, options: { path?: string, body?: string | Buffer, contentType?: string } = {}) {
this._attach(name, await normalizeAndSaveAttachment(this.outputPath(), name, options));
}
private _attach(name: string, attachment: TestInfo['attachments'][0]) {
const step = this._addStep({
title: `attach "${name}"`,
category: 'attach',
wallTime: Date.now(),
laxParent: true,
});
this._attachWithoutStep(attachment);
step.complete({});
}
_attachWithoutStep(attachment: TestInfo['attachments'][0]) {
this._attachmentsPush(attachment);
this._onAttach({
testId: this._test.id,
name: attachment.name,
contentType: attachment.contentType,
path: attachment.path,
body: attachment.body?.toString('base64')
});
}
outputPath(...pathSegments: string[]){
fs.mkdirSync(this.outputDir, { recursive: true });
const joinedPath = path.join(...pathSegments);
const outputPath = getContainedPath(this.outputDir, joinedPath);
if (outputPath)
return outputPath;
throw new Error(`The outputPath is not allowed outside of the parent directory. Please fix the defined path.\n\n\toutputPath: ${joinedPath}`);
}
_fsSanitizedTestName() {
const fullTitleWithoutSpec = this.titlePath.slice(1).join(' ');
return sanitizeForFilePath(trimLongString(fullTitleWithoutSpec));
}
snapshotPath(...pathSegments: string[]) {
const subPath = path.join(...pathSegments);
const parsedSubPath = path.parse(subPath);
const relativeTestFilePath = path.relative(this.project.testDir, this._test._requireFile);
const parsedRelativeTestFilePath = path.parse(relativeTestFilePath);
const projectNamePathSegment = sanitizeForFilePath(this.project.name);
const snapshotPath = (this._projectInternal.snapshotPathTemplate || '')
.replace(/\{(.)?testDir\}/g, '$1' + this.project.testDir)
.replace(/\{(.)?snapshotDir\}/g, '$1' + this.project.snapshotDir)
.replace(/\{(.)?snapshotSuffix\}/g, this.snapshotSuffix ? '$1' + this.snapshotSuffix : '')
.replace(/\{(.)?testFileDir\}/g, '$1' + parsedRelativeTestFilePath.dir)
.replace(/\{(.)?platform\}/g, '$1' + process.platform)
.replace(/\{(.)?projectName\}/g, projectNamePathSegment ? '$1' + projectNamePathSegment : '')
.replace(/\{(.)?testName\}/g, '$1' + this._fsSanitizedTestName())
.replace(/\{(.)?testFileName\}/g, '$1' + parsedRelativeTestFilePath.base)
.replace(/\{(.)?testFilePath\}/g, '$1' + relativeTestFilePath)
.replace(/\{(.)?arg\}/g, '$1' + path.join(parsedSubPath.dir, parsedSubPath.name))
.replace(/\{(.)?ext\}/g, parsedSubPath.ext ? '$1' + parsedSubPath.ext : '');
return path.normalize(path.resolve(this._configInternal.configDir, snapshotPath));
}
skip(...args: [arg?: any, description?: string]) {
this._modifier('skip', args);
}
fixme(...args: [arg?: any, description?: string]) {
this._modifier('fixme', args);
}
fail(...args: [arg?: any, description?: string]) {
this._modifier('fail', args);
}
slow(...args: [arg?: any, description?: string]) {
this._modifier('slow', args);
}
setTimeout(timeout: number) {
this._timeoutManager.setTimeout(timeout);
}
}
function serializeAttachments(attachments: TestInfo['attachments'], initialAttachments: Set<TestInfo['attachments'][0]>): trace.AfterActionTraceEvent['attachments'] {
return attachments.filter(a => a.name !== 'trace' && !initialAttachments.has(a)).map(a => {
return {
name: a.name,
contentType: a.contentType,
path: a.path,
base64: a.body?.toString('base64'),
};
});
}
class SkipError extends Error {
}