playwright/tests/chromium/js-coverage.spec.ts

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/**
* Copyright 2018 Google Inc. 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 { test as it, expect } from '../config/pageTest';
it.describe('JS Coverage', () => {
it.skip(({ browserName }) => browserName !== 'chromium');
it.fixme(({ isElectron }) => isElectron);
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it('should work', async function({page, server}) {
await page.coverage.startJSCoverage();
await page.goto(server.PREFIX + '/jscoverage/simple.html', { waitUntil: 'load' });
const coverage = await page.coverage.stopJSCoverage();
expect(coverage.length).toBe(1);
expect(coverage[0].url).toContain('/jscoverage/simple.html');
expect(coverage[0].functions.find(f => f.functionName === 'foo').ranges[0].count).toEqual(1);
});
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it('should report sourceURLs', async function({page, server}) {
await page.coverage.startJSCoverage();
await page.goto(server.PREFIX + '/jscoverage/sourceurl.html');
const coverage = await page.coverage.stopJSCoverage();
expect(coverage.length).toBe(1);
expect(coverage[0].url).toBe('nicename.js');
});
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it('should ignore eval() scripts by default', async function({page, server}) {
await page.coverage.startJSCoverage();
await page.goto(server.PREFIX + '/jscoverage/eval.html');
const coverage = await page.coverage.stopJSCoverage();
expect(coverage.length).toBe(1);
});
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it('shouldn\'t ignore eval() scripts if reportAnonymousScripts is true', async function({page, server}) {
await page.coverage.startJSCoverage({reportAnonymousScripts: true});
await page.goto(server.PREFIX + '/jscoverage/eval.html');
const coverage = await page.coverage.stopJSCoverage();
expect(coverage.find(entry => entry.url === '').source).toBe('console.log("foo")');
expect(coverage.length).toBe(2);
});
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it('should report multiple scripts', async function({page, server}) {
await page.coverage.startJSCoverage();
await page.goto(server.PREFIX + '/jscoverage/multiple.html');
const coverage = await page.coverage.stopJSCoverage();
expect(coverage.length).toBe(2);
coverage.sort((a, b) => a.url.localeCompare(b.url));
expect(coverage[0].url).toContain('/jscoverage/script1.js');
expect(coverage[1].url).toContain('/jscoverage/script2.js');
});
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it('should report scripts across navigations when disabled', async function({page, server}) {
await page.coverage.startJSCoverage({resetOnNavigation: false});
await page.goto(server.PREFIX + '/jscoverage/multiple.html');
await page.goto(server.EMPTY_PAGE);
const coverage = await page.coverage.stopJSCoverage();
expect(coverage.length).toBe(2);
});
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it('should NOT report scripts across navigations when enabled', async function({page, server}) {
await page.coverage.startJSCoverage(); // Enabled by default.
await page.goto(server.PREFIX + '/jscoverage/multiple.html');
await page.goto(server.EMPTY_PAGE);
const coverage = await page.coverage.stopJSCoverage();
expect(coverage.length).toBe(0);
});
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it('should not hang when there is a debugger statement', async function({page, server}) {
await page.coverage.startJSCoverage();
await page.goto(server.EMPTY_PAGE);
await page.evaluate(() => {
debugger; // eslint-disable-line no-debugger
});
await page.coverage.stopJSCoverage();
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});
});