e3922ea1f3
The codebase was incredibly inconsistent with the use of spacing around
curly braces, e.g.:
```
// this?
const a = {b: 1}
// or?
const a = { b: 1 }
```
This extended into import statements also. Google's styleguide is no
spacing, so we're going with that.
266 lines
11 KiB
JavaScript
266 lines
11 KiB
JavaScript
/**
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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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const expect = require('expect');
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const {getTestState, setupTestPageAndContextHooks, setupTestBrowserHooks} = require('./mocha-utils');
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describe('Coverage specs', function() {
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describeChromeOnly('JSCoverage', function() {
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setupTestBrowserHooks();
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setupTestPageAndContextHooks();
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it('should work', async() => {
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const {page, server} = getTestState();
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await page.coverage.startJSCoverage();
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await page.goto(server.PREFIX + '/jscoverage/simple.html', {waitUntil: 'networkidle0'});
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage.length).toBe(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} = 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.length).toBe(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} = 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.length).toBe(1);
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});
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it('shouldn\'t ignore eval() scripts if reportAnonymousScripts is true', async() => {
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const {page, server} = 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(coverage.find(entry => entry.url.startsWith('debugger://'))).not.toBe(null);
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expect(coverage.length).toBe(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} = 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(() => console.log('bar'));
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage.length).toBe(0);
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});
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it('should report multiple scripts', async() => {
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const {page, server} = 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.length).toBe(2);
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coverage.sort((a, b) => a.url.localeCompare(b.url));
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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} = 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.length).toBe(1);
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const entry = coverage[0];
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expect(entry.ranges.length).toBe(1);
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const range = entry.ranges[0];
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expect(entry.text.substring(range.start, range.end)).toBe(`console.log('used!');`);
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});
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it('should report scripts that have no coverage', async() => {
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const {page, server} = 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.length).toBe(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.length).toBe(0);
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});
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it('should work with conditionals', async() => {
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const {page, server} = 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(JSON.stringify(coverage, null, 2).replace(/:\d{4}\//g, ':<PORT>/')).toBeGolden('jscoverage-involved.txt');
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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} = 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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await page.goto(server.EMPTY_PAGE);
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const coverage = await page.coverage.stopJSCoverage();
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expect(coverage.length).toBe(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} = 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.length).toBe(0);
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});
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});
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// @see https://crbug.com/990945
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xit('should not hang when there is a debugger statement', async() => {
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const {page, server} = 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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describeChromeOnly('CSSCoverage', function() {
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setupTestBrowserHooks();
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setupTestPageAndContextHooks();
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it('should work', async() => {
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const {page, server} = 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.length).toBe(1);
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expect(coverage[0].url).toContain('/csscoverage/simple.html');
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expect(coverage[0].ranges).toEqual([
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{start: 1, end: 22}
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]);
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const range = coverage[0].ranges[0];
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expect(coverage[0].text.substring(range.start, range.end)).toBe('div { color: green; }');
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});
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it('should report sourceURLs', async() => {
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const {page, server} = 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.length).toBe(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} = 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.length).toBe(2);
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coverage.sort((a, b) => a.url.localeCompare(b.url));
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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} = 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.length).toBe(1);
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expect(coverage[0].url).toBe('unused.css');
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expect(coverage[0].ranges.length).toBe(0);
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});
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it('should work with media queries', async() => {
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const {page, server} = 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.length).toBe(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: 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} = 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(JSON.stringify(coverage, null, 2).replace(/:\d{4}\//g, ':<PORT>/')).toBeGolden('csscoverage-involved.txt');
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});
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it('should ignore injected stylesheets', async() => {
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const {page} = 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(() => window.getComputedStyle(document.body).margin);
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expect(margin).toBe('10px');
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const coverage = await page.coverage.stopCSSCoverage();
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expect(coverage.length).toBe(0);
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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} = 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.length).toBe(2);
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});
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it('should NOT report scripts across navigations', async() => {
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const {page, server} = 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.length).toBe(0);
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});
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});
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it('should work with a recently loaded stylesheet', async() => {
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const {page, server} = 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 => link.onload = x);
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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.length).toBe(1);
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});
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});
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});
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