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78 lines
3.4 KiB
JavaScript
78 lines
3.4 KiB
JavaScript
/**
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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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const fs = require('fs');
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const path = require('path');
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const {FFOX, CHROMIUM, WEBKIT, OUTPUT_DIR, CHANNEL} = require('../utils').testOptions(browserType);
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describe.skip(CHANNEL)('Chromium.startTracing', function() {
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beforeEach(async function(state) {
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state.outputFile = path.join(OUTPUT_DIR, `trace-${state.parallelIndex}.json`);
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state.browser = await state.browserType.launch(state.defaultBrowserOptions);
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state.page = await state.browser.newPage();
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});
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afterEach(async function(state) {
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await state.browser.close();
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state.browser = null;
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state.page = null;
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if (fs.existsSync(state.outputFile)) {
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fs.unlinkSync(state.outputFile);
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state.outputFile = null;
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}
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});
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it('should output a trace', async({browser, page, server, outputFile}) => {
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await browser.startTracing(page, {screenshots: true, path: outputFile});
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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(outputFile)).toBe(true);
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});
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it('should run with custom categories if provided', async({browser, page, outputFile}) => {
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await browser.startTracing(page, {path: outputFile, 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(outputFile).toString());
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expect(traceJson.metadata['trace-config']).toContain('disabled-by-default-v8.cpu_profiler.hires', 'Does not contain expected category');
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});
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it('should throw if tracing on two pages', async({browser, page, server, outputFile}) => {
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await browser.startTracing(page, {path: outputFile});
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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: outputFile}).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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});
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it('should return a buffer', async({browser, page, server, outputFile}) => {
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await browser.startTracing(page, {screenshots: true, path: outputFile});
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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(outputFile);
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expect(trace.toString()).toEqual(buf.toString(), 'Tracing buffer mismatch');
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});
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it('should work without options', async({browser, page, server, outputFile}) => {
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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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});
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it('should support a buffer without a path', async({browser, page, server}) => {
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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', 'Does not contain screenshot');
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});
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});
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