mirror of
https://github.com/puppeteer/puppeteer
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354 lines
14 KiB
TypeScript
354 lines
14 KiB
TypeScript
/**
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* Copyright 2018 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 expect from 'expect';
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import {getTestState, setupTestBrowserHooks} from './mocha-utils.js';
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describe('Coverage specs', function () {
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setupTestBrowserHooks();
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describe('JSCoverage', function () {
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it('should work', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage();
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await page.goto(server.PREFIX + '/jscoverage/simple.html', {
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waitUntil: 'load',
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});
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(1);
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expect(coverage[0]!.url).toContain('/jscoverage/simple.html');
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expect(coverage[0]!.ranges).toEqual([
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{start: 0, end: 17},
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{start: 35, end: 61},
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]);
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});
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it('should report sourceURLs', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage();
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await page.goto(server.PREFIX + '/jscoverage/sourceurl.html');
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(1);
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expect(coverage[0]!.url).toBe('nicename.js');
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});
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it('should ignore eval() scripts by default', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage();
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await page.goto(server.PREFIX + '/jscoverage/eval.html');
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(1);
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});
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it('should not ignore eval() scripts if reportAnonymousScripts is true', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage({reportAnonymousScripts: true});
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await page.goto(server.PREFIX + '/jscoverage/eval.html');
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const coverage = await page.coverage.stopJSCoverage();
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expect(
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coverage.find(entry => {
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return entry.url.startsWith('debugger://');
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})
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).not.toBe(null);
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expect(coverage).toHaveLength(2);
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});
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it('should ignore pptr internal scripts if reportAnonymousScripts is true', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage({reportAnonymousScripts: true});
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await page.goto(server.EMPTY_PAGE);
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await page.evaluate('console.log("foo")');
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await page.evaluate(() => {
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return console.log('bar');
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});
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(0);
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});
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it('should report multiple scripts', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage();
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await page.goto(server.PREFIX + '/jscoverage/multiple.html');
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(2);
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coverage.sort((a, b) => {
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return a.url.localeCompare(b.url);
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});
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expect(coverage[0]!.url).toContain('/jscoverage/script1.js');
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expect(coverage[1]!.url).toContain('/jscoverage/script2.js');
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});
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it('should report right ranges', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage();
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await page.goto(server.PREFIX + '/jscoverage/ranges.html');
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(1);
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const entry = coverage[0]!;
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expect(entry.ranges).toHaveLength(2);
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const range1 = entry.ranges[0]!;
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expect(entry.text.substring(range1.start, range1.end)).toBe('\n');
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const range2 = entry.ranges[1]!;
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expect(entry.text.substring(range2.start, range2.end)).toBe(
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`console.log('used!');if(true===false)`
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);
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});
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it('should report right ranges for "per function" scope', async () => {
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const {page, server} = await getTestState();
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const coverageOptions = {
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useBlockCoverage: false,
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};
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await page.coverage.startJSCoverage(coverageOptions);
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await page.goto(server.PREFIX + '/jscoverage/ranges.html');
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(1);
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const entry = coverage[0]!;
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expect(entry.ranges).toHaveLength(2);
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const range1 = entry.ranges[0]!;
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expect(entry.text.substring(range1.start, range1.end)).toBe('\n');
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const range2 = entry.ranges[1]!;
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expect(entry.text.substring(range2.start, range2.end)).toBe(
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`console.log('used!');if(true===false)console.log('unused!');`
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);
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});
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it('should report scripts that have no coverage', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage();
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await page.goto(server.PREFIX + '/jscoverage/unused.html');
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(1);
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const entry = coverage[0]!;
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expect(entry.url).toContain('unused.html');
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expect(entry.ranges).toHaveLength(0);
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});
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it('should work with conditionals', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage();
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await page.goto(server.PREFIX + '/jscoverage/involved.html');
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const coverage = await page.coverage.stopJSCoverage();
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expect(
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JSON.stringify(coverage, null, 2).replace(/:\d{4,5}\//g, ':<PORT>/')
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).toBeGolden('jscoverage-involved.txt');
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});
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// @see https://crbug.com/990945
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it.skip('should not hang when there is a debugger statement', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage();
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await page.goto(server.EMPTY_PAGE);
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await page.evaluate(() => {
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debugger; // eslint-disable-line no-debugger
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});
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await page.coverage.stopJSCoverage();
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});
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describe('resetOnNavigation', function () {
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it('should report scripts across navigations when disabled', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage({resetOnNavigation: false});
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await page.goto(server.PREFIX + '/jscoverage/multiple.html');
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// TODO: navigating too fast might loose JS coverage data in the browser.
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await page.waitForNetworkIdle();
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await page.goto(server.EMPTY_PAGE);
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(2);
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});
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it('should NOT report scripts across navigations when enabled', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage(); // Enabled by default.
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await page.goto(server.PREFIX + '/jscoverage/multiple.html');
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await page.goto(server.EMPTY_PAGE);
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(0);
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});
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});
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describe('includeRawScriptCoverage', function () {
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it('should not include rawScriptCoverage field when disabled', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage();
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await page.goto(server.PREFIX + '/jscoverage/simple.html', {
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waitUntil: 'load',
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});
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(1);
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expect(coverage[0]!.rawScriptCoverage).toBeUndefined();
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});
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it('should include rawScriptCoverage field when enabled', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage({
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includeRawScriptCoverage: true,
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});
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await page.goto(server.PREFIX + '/jscoverage/simple.html', {
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waitUntil: 'load',
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});
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage).toHaveLength(1);
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expect(coverage[0]!.rawScriptCoverage).toBeTruthy();
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});
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});
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// @see https://crbug.com/990945
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it.skip('should not hang when there is a debugger statement', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startJSCoverage();
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await page.goto(server.EMPTY_PAGE);
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await page.evaluate(() => {
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debugger; // eslint-disable-line no-debugger
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});
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await page.coverage.stopJSCoverage();
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});
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});
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describe('CSSCoverage', function () {
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it('should work', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startCSSCoverage();
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await page.goto(server.PREFIX + '/csscoverage/simple.html');
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const coverage = await page.coverage.stopCSSCoverage();
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expect(coverage).toHaveLength(1);
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expect(coverage[0]!.url).toContain('/csscoverage/simple.html');
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expect(coverage[0]!.ranges).toEqual([{start: 1, end: 22}]);
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const range = coverage[0]!.ranges[0]!;
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expect(coverage[0]!.text.substring(range.start, range.end)).toBe(
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'div { color: green; }'
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);
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});
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it('should report sourceURLs', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startCSSCoverage();
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await page.goto(server.PREFIX + '/csscoverage/sourceurl.html');
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const coverage = await page.coverage.stopCSSCoverage();
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expect(coverage).toHaveLength(1);
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expect(coverage[0]!.url).toBe('nicename.css');
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});
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it('should report multiple stylesheets', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startCSSCoverage();
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await page.goto(server.PREFIX + '/csscoverage/multiple.html');
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const coverage = await page.coverage.stopCSSCoverage();
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expect(coverage).toHaveLength(2);
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coverage.sort((a, b) => {
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return a.url.localeCompare(b.url);
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});
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expect(coverage[0]!.url).toContain('/csscoverage/stylesheet1.css');
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expect(coverage[1]!.url).toContain('/csscoverage/stylesheet2.css');
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});
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it('should report stylesheets that have no coverage', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startCSSCoverage();
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await page.goto(server.PREFIX + '/csscoverage/unused.html');
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const coverage = await page.coverage.stopCSSCoverage();
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expect(coverage).toHaveLength(1);
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expect(coverage[0]!.url).toBe('unused.css');
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expect(coverage[0]!.ranges).toHaveLength(0);
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});
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it('should work with media queries', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startCSSCoverage();
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await page.goto(server.PREFIX + '/csscoverage/media.html');
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const coverage = await page.coverage.stopCSSCoverage();
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expect(coverage).toHaveLength(1);
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expect(coverage[0]!.url).toContain('/csscoverage/media.html');
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expect(coverage[0]!.ranges).toEqual([
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{start: 8, end: 15},
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{start: 17, end: 38},
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]);
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});
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it('should work with complicated usecases', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startCSSCoverage();
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await page.goto(server.PREFIX + '/csscoverage/involved.html');
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const coverage = await page.coverage.stopCSSCoverage();
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expect(
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JSON.stringify(coverage, null, 2).replace(/:\d{4,5}\//g, ':<PORT>/')
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).toBeGolden('csscoverage-involved.txt');
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});
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it('should work with empty stylesheets', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startCSSCoverage();
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await page.goto(server.PREFIX + '/csscoverage/empty.html');
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const coverage = await page.coverage.stopCSSCoverage();
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expect(coverage).toHaveLength(1);
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expect(coverage[0]!.text).toEqual('');
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});
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it('should ignore injected stylesheets', async () => {
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const {page} = await getTestState();
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await page.coverage.startCSSCoverage();
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await page.addStyleTag({content: 'body { margin: 10px;}'});
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// trigger style recalc
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const margin = await page.evaluate(() => {
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return window.getComputedStyle(document.body).margin;
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});
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expect(margin).toBe('10px');
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const coverage = await page.coverage.stopCSSCoverage();
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expect(coverage).toHaveLength(0);
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});
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it('should work with a recently loaded stylesheet', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startCSSCoverage();
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await page.evaluate(async url => {
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document.body.textContent = 'hello, world';
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const link = document.createElement('link');
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link.rel = 'stylesheet';
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link.href = url;
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document.head.appendChild(link);
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await new Promise(x => {
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return (link.onload = x);
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});
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}, server.PREFIX + '/csscoverage/stylesheet1.css');
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const coverage = await page.coverage.stopCSSCoverage();
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expect(coverage).toHaveLength(1);
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});
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describe('resetOnNavigation', function () {
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it('should report stylesheets across navigations', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startCSSCoverage({resetOnNavigation: false});
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await page.goto(server.PREFIX + '/csscoverage/multiple.html');
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await page.goto(server.EMPTY_PAGE);
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const coverage = await page.coverage.stopCSSCoverage();
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expect(coverage).toHaveLength(2);
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});
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it('should NOT report scripts across navigations', async () => {
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const {page, server} = await getTestState();
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await page.coverage.startCSSCoverage(); // Enabled by default.
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await page.goto(server.PREFIX + '/csscoverage/multiple.html');
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await page.goto(server.EMPTY_PAGE);
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const coverage = await page.coverage.stopCSSCoverage();
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expect(coverage).toHaveLength(0);
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});
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});
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});
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});
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