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97 lines
3.9 KiB
TypeScript
97 lines
3.9 KiB
TypeScript
/**
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* Copyright 2017 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { browserTest as it, expect } from '../config/browserTest';
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import fs from 'fs';
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import path from 'path';
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it.describe('tracing', () => {
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it.skip(({ browserName }) => browserName !== 'chromium');
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it('should output a trace', async ({browser, server}, testInfo) => {
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const page = await browser.newPage();
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const outputTraceFile = testInfo.outputPath(path.join(`trace.json`));
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await browser.startTracing(page, {screenshots: true, path: outputTraceFile});
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await page.goto(server.PREFIX + '/grid.html');
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await browser.stopTracing();
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expect(fs.existsSync(outputTraceFile)).toBe(true);
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await page.close();
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});
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it('should create directories as needed', async ({browser, server}, testInfo) => {
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const page = await browser.newPage();
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const filePath = testInfo.outputPath(path.join('these', 'are', 'directories', 'trace.json'));
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await browser.startTracing(page, {screenshots: true, path: filePath});
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await page.goto(server.PREFIX + '/grid.html');
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await browser.stopTracing();
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expect(fs.existsSync(filePath)).toBe(true);
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await page.close();
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});
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it('should run with custom categories if provided', async ({browser}, testInfo) => {
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const page = await browser.newPage();
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const outputTraceFile = testInfo.outputPath(path.join(`trace.json`));
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await browser.startTracing(page, {path: outputTraceFile, categories: ['disabled-by-default-v8.cpu_profiler.hires']});
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await browser.stopTracing();
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const traceJson = JSON.parse(fs.readFileSync(outputTraceFile).toString());
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expect(traceJson.metadata['trace-config']).toContain('disabled-by-default-v8.cpu_profiler.hires');
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await page.close();
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});
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it('should throw if tracing on two pages', async ({browser}, testInfo) => {
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const page = await browser.newPage();
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const outputTraceFile = testInfo.outputPath(path.join(`trace.json`));
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await browser.startTracing(page, {path: outputTraceFile});
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const newPage = await browser.newPage();
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let error = null;
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await browser.startTracing(newPage, {path: outputTraceFile}).catch(e => error = e);
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await newPage.close();
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expect(error).toBeTruthy();
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await browser.stopTracing();
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await page.close();
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});
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it('should return a buffer', async ({browser, server}, testInfo) => {
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const page = await browser.newPage();
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const outputTraceFile = testInfo.outputPath(path.join(`trace.json`));
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await browser.startTracing(page, {screenshots: true, path: outputTraceFile});
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await page.goto(server.PREFIX + '/grid.html');
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const trace = await browser.stopTracing();
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const buf = fs.readFileSync(outputTraceFile);
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expect(trace.toString()).toEqual(buf.toString());
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await page.close();
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});
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it('should work without options', async ({browser, server}) => {
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const page = await browser.newPage();
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await browser.startTracing(page);
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await page.goto(server.PREFIX + '/grid.html');
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const trace = await browser.stopTracing();
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expect(trace).toBeTruthy();
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await page.close();
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});
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it('should support a buffer without a path', async ({browser, server}) => {
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const page = await browser.newPage();
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await browser.startTracing(page, {screenshots: true});
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await page.goto(server.PREFIX + '/grid.html');
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const trace = await browser.stopTracing();
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expect(trace.toString()).toContain('screenshot');
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await page.close();
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});
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});
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