How to use startJSCoverage method in Puppeteer

Best JavaScript code snippet using puppeteer

coverage.spec.js

Source:coverage.spec.js Github

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...18 const {it, fit, xit} = testRunner;19 const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;20 describe('JSCoverage', function() {21 it('should work', async function({page, server}) {22 await page.coverage.startJSCoverage();23 await page.goto(server.PREFIX + '/jscoverage/simple.html', {waitUntil: 'networkidle0'});24 const coverage = await page.coverage.stopJSCoverage();25 expect(coverage.length).toBe(1);26 expect(coverage[0].url).toContain('/jscoverage/simple.html');27 expect(coverage[0].ranges).toEqual([28 { start: 0, end: 17 },29 { start: 35, end: 61 },30 ]);31 });32 it('should report sourceURLs', async function({page, server}) {33 await page.coverage.startJSCoverage();34 await page.goto(server.PREFIX + '/jscoverage/sourceurl.html');35 const coverage = await page.coverage.stopJSCoverage();36 expect(coverage.length).toBe(1);37 expect(coverage[0].url).toBe('nicename.js');38 });39 it('should ignore eval() scripts by default', async function({page, server}) {40 await page.coverage.startJSCoverage();41 await page.goto(server.PREFIX + '/jscoverage/eval.html');42 const coverage = await page.coverage.stopJSCoverage();43 expect(coverage.length).toBe(1);44 });45 it('shouldn\'t ignore eval() scripts if reportAnonymousScripts is true', async function({page, server}) {46 await page.coverage.startJSCoverage({reportAnonymousScripts: true});47 await page.goto(server.PREFIX + '/jscoverage/eval.html');48 const coverage = await page.coverage.stopJSCoverage();49 expect(coverage.find(entry => entry.url.startsWith('debugger://'))).not.toBe(null);50 expect(coverage.length).toBe(2);51 });52 it('should ignore pptr internal scripts if reportAnonymousScripts is true', async function({page, server}) {53 await page.coverage.startJSCoverage({reportAnonymousScripts: true});54 await page.goto(server.EMPTY_PAGE);55 await page.evaluate('console.log("foo")');56 await page.evaluate(() => console.log('bar'));57 const coverage = await page.coverage.stopJSCoverage();58 expect(coverage.length).toBe(0);59 });60 it('should report multiple scripts', async function({page, server}) {61 await page.coverage.startJSCoverage();62 await page.goto(server.PREFIX + '/jscoverage/multiple.html');63 const coverage = await page.coverage.stopJSCoverage();64 expect(coverage.length).toBe(2);65 coverage.sort((a, b) => a.url.localeCompare(b.url));66 expect(coverage[0].url).toContain('/jscoverage/script1.js');67 expect(coverage[1].url).toContain('/jscoverage/script2.js');68 });69 it('should report right ranges', async function({page, server}) {70 await page.coverage.startJSCoverage();71 await page.goto(server.PREFIX + '/jscoverage/ranges.html');72 const coverage = await page.coverage.stopJSCoverage();73 expect(coverage.length).toBe(1);74 const entry = coverage[0];75 expect(entry.ranges.length).toBe(1);76 const range = entry.ranges[0];77 expect(entry.text.substring(range.start, range.end)).toBe(`console.log('used!');`);78 });79 it('should report scripts that have no coverage', async function({page, server}) {80 await page.coverage.startJSCoverage();81 await page.goto(server.PREFIX + '/jscoverage/unused.html');82 const coverage = await page.coverage.stopJSCoverage();83 expect(coverage.length).toBe(1);84 const entry = coverage[0];85 expect(entry.url).toContain('unused.html');86 expect(entry.ranges.length).toBe(0);87 });88 it('should work with conditionals', async function({page, server}) {89 await page.coverage.startJSCoverage();90 await page.goto(server.PREFIX + '/jscoverage/involved.html');91 const coverage = await page.coverage.stopJSCoverage();92 expect(JSON.stringify(coverage, null, 2).replace(/:\d{4}\//g, ':<PORT>/')).toBeGolden('jscoverage-involved.txt');93 });94 describe('resetOnNavigation', function() {95 it('should report scripts across navigations when disabled', async function({page, server}) {96 await page.coverage.startJSCoverage({resetOnNavigation: false});97 await page.goto(server.PREFIX + '/jscoverage/multiple.html');98 await page.goto(server.EMPTY_PAGE);99 const coverage = await page.coverage.stopJSCoverage();100 expect(coverage.length).toBe(2);101 });102 it('should NOT report scripts across navigations when enabled', async function({page, server}) {103 await page.coverage.startJSCoverage(); // Enabled by default.104 await page.goto(server.PREFIX + '/jscoverage/multiple.html');105 await page.goto(server.EMPTY_PAGE);106 const coverage = await page.coverage.stopJSCoverage();107 expect(coverage.length).toBe(0);108 });109 });110 // @see https://crbug.com/990945111 xit('should not hang when there is a debugger statement', async function({page, server}) {112 await page.coverage.startJSCoverage();113 await page.goto(server.EMPTY_PAGE);114 await page.evaluate(() => {115 debugger; // eslint-disable-line no-debugger116 });117 await page.coverage.stopJSCoverage();118 });119 });120 describe('CSSCoverage', function() {121 it('should work', async function({page, server}) {122 await page.coverage.startCSSCoverage();123 await page.goto(server.PREFIX + '/csscoverage/simple.html');124 const coverage = await page.coverage.stopCSSCoverage();125 expect(coverage.length).toBe(1);126 expect(coverage[0].url).toContain('/csscoverage/simple.html');...

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coverage.js

Source:coverage.js Github

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...20 await helper.end()21})22test.serial('JSCoverage should work', async t => {23 const { page, server } = t.context24 await page.coverage.startJSCoverage()25 await page.goto(server.PREFIX + '/jscoverage/simple.html', {26 waitUntil: 'networkidle0'27 })28 const coverage = await page.coverage.stopJSCoverage()29 t.is(coverage.length, 1)30 t.true(coverage[0].url.includes('/jscoverage/simple.html'))31 t.deepEqual(coverage[0].ranges, [32 { start: 0, end: 17 },33 { start: 35, end: 61 }34 ])35})36test.serial('JSCoverage should report sourceURLs', async t => {37 const { page, server } = t.context38 await page.coverage.startJSCoverage()39 await page.goto(server.PREFIX + '/jscoverage/sourceurl.html')40 const coverage = await page.coverage.stopJSCoverage()41 t.is(coverage.length, 1)42 t.is(coverage[0].url, 'nicename.js')43})44test.serial('JSCoverage should ignore eval() scripts by default', async t => {45 const { page, server } = t.context46 await page.coverage.startJSCoverage()47 await page.goto(server.PREFIX + '/jscoverage/eval.html')48 const coverage = await page.coverage.stopJSCoverage()49 t.is(coverage.length, 1)50})51test.serial(52 "JSCoverage shouldn't ignore eval() scripts if reportAnonymousScripts is true",53 async t => {54 const { page, server } = t.context55 await page.coverage.startJSCoverage({ reportAnonymousScripts: true })56 await page.goto(server.PREFIX + '/jscoverage/eval.html')57 const coverage = await page.coverage.stopJSCoverage()58 t.truthy(coverage.find(entry => entry.url.startsWith('debugger://')))59 t.is(coverage.length, 2)60 }61)62test.serial.skip(63 'JSCoverage should ignore pptr internal scripts if reportAnonymousScripts is true',64 async t => {65 const { page, server } = t.context66 await page.coverage.startJSCoverage({ reportAnonymousScripts: true })67 await page.goto(server.EMPTY_PAGE)68 await page.evaluate('console.log("foo")')69 await page.evaluate(() => console.log('bar'))70 const coverage = await page.coverage.stopJSCoverage()71 t.is(coverage.length, 0)72 }73)74test.serial('JSCoverage should report multiple scripts', async t => {75 const { page, server } = t.context76 await page.coverage.startJSCoverage()77 await page.goto(server.PREFIX + '/jscoverage/multiple.html')78 const coverage = await page.coverage.stopJSCoverage()79 t.is(coverage.length, 2)80 coverage.sort((a, b) => a.url.localeCompare(b.url))81 t.true(coverage[0].url.includes('/jscoverage/script1.js'))82 t.true(coverage[1].url.includes('/jscoverage/script2.js'))83})84test.serial('JSCoverage should report right ranges', async t => {85 const { page, server } = t.context86 await page.coverage.startJSCoverage()87 await page.goto(server.PREFIX + '/jscoverage/ranges.html')88 const coverage = await page.coverage.stopJSCoverage()89 t.is(coverage.length, 1)90 const entry = coverage[0]91 t.is(entry.ranges.length, 1)92 const range = entry.ranges[0]93 t.is(entry.text.substring(range.start, range.end), `console.log('used!');`)94})95test.serial(96 'JSCoverage should report scripts that have no coverage',97 async t => {98 const { page, server } = t.context99 await page.coverage.startJSCoverage()100 await page.goto(server.PREFIX + '/jscoverage/unused.html')101 const coverage = await page.coverage.stopJSCoverage()102 t.is(coverage.length, 1)103 const entry = coverage[0]104 t.true(entry.url.includes('unused.html'))105 t.is(entry.ranges.length, 0)106 }107)108test.serial('JSCoverage should work with conditionals', async t => {109 const { page, server } = t.context110 await page.coverage.startJSCoverage()111 await page.goto(server.PREFIX + '/jscoverage/involved.html')112 const coverage = await page.coverage.stopJSCoverage()113 t.context.toBeGolden(114 t,115 JSON.stringify(coverage, null, 2).replace(/:\d{4}\//g, ':<PORT>/'),116 'jscoverage-involved.txt'117 )118})119test.serial(120 'JSCoverage - resetOnNavigation: should report scripts across navigations when disabled',121 async t => {122 const { page, server } = t.context123 await page.coverage.startJSCoverage({ resetOnNavigation: false })124 await page.goto(server.PREFIX + '/jscoverage/multiple.html')125 await page.goto(server.EMPTY_PAGE)126 const coverage = await page.coverage.stopJSCoverage()127 t.is(coverage.length, 2)128 }129)130test.serial(131 'JSCoverage - resetOnNavigation: should NOT report scripts across navigations when enabled',132 async t => {133 const { page, server } = t.context134 await page.coverage.startJSCoverage() // Enabled by default.135 await page.goto(server.PREFIX + '/jscoverage/multiple.html')136 await page.goto(server.EMPTY_PAGE)137 const coverage = await page.coverage.stopJSCoverage()138 t.is(coverage.length, 0)139 }140)141test.serial(142 'JSCoverage should not hang when there is a debugger statement',143 async t => {144 const { page, server } = t.context145 await page.coverage.startJSCoverage()146 await page.goto(server.EMPTY_PAGE)147 await page.evaluate(`() => {148 debugger // eslint-disable-line no-debugger149 }`)150 await page.coverage.stopJSCoverage()151 t.pass()152 }153)154test.serial('CSSCoverage should work', async t => {155 const { page, server } = t.context156 await page.coverage.startCSSCoverage()157 await page.goto(server.PREFIX + '/csscoverage/simple.html')158 const coverage = await page.coverage.stopCSSCoverage()159 t.is(coverage.length, 1)...

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electron-cl.spec.js

Source:electron-cl.spec.js Github

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...112 //console.log(appPath);113 */114 // Get the first window that the app opens, wait if necessary.115 window = await app.firstWindow();116 await window.coverage.startJSCoverage({reportAnonymousScripts: true});117 // Check cmd line parameters have been read118 await waitVrm2Ready()119 let exclids = await window.locator('id=excluded_ids').inputValue()120 await expect(exclids.includes('some_id')).toBeTruthy()121 await expect(exclids.includes('some_other_id')).toBeTruthy()122 // Check empty main file (file not found)123 await expect(await window.locator('id=name').innerHTML()).toBe('')124 // Check empty ref file (file not found)125 await expect(await window.locator('#ref_name').innerHTML()).toBe('')126 await app.close({runBeforeUnload: true})127 })128 test('launch the application', async () => {129 app = await electron.launch({130 path: electronPath,131 args: ['lib/main.js',132 '--settDir', './tmp', //rq: ->(rq_cl_settings_file)133 '--settFile', 'cl-settings.json',134 '--regex',135 '--select', 'maze',136 '--exclIds', '"some_id,some_other_id"',137 '--exclDoctypes', '"foo,fie,fum"',138 '--diagram',139 '--hierarchy',140 '--safety',141 '--format', 'svg',142 '--output', 'tmp/cl-test',143 '--oreqm_main', './testdata/oreqm_testdata_del_movement.oreqm', //rq: ->(rq_one_oreqm_cmd_line)144 '--oreqm_ref', './testdata/oreqm_testdata_no_ogre.oreqm' //rq: ->(rq_two_oreqm_cmd_line)145 ]146 })147 window = await app.firstWindow();148 await window.coverage.startJSCoverage({reportAnonymousScripts: true});149 await waitVrm2Ready()150 // Check main file151 await expect((await window.locator('id=name').innerHTML()).includes('./testdata/oreqm_testdata_del_movement.oreqm')).toBe(true)152 // Check ref file153 await expect((await window.locator('#ref_name').innerHTML())).toBe('./testdata/oreqm_testdata_no_ogre.oreqm')154 // Wait for operations from command line to complete155 await waitVrm2Done()156 //test('Check specobject diagram', async () => {157 await compareFiles('./tmp/cl-test-diagram.svg', './test/refdata/cl-test-diagram.svg') //rq: ->(rq_automatic_diagram)158 //test('Check hierarchy diagram', async () => {159 await compareFiles('./tmp/cl-test-doctypes.svg', './test/refdata/cl-test-doctypes.svg')160 // test('Check safetyclass diagram', async () => {161 await compareFiles('./tmp/cl-test-safety.svg', './test/refdata/cl-test-safety.svg')162 await app.close({runBeforeUnload: true})163 })164 test('Open vr2x file from cmd line', async () => {165 app = await electron.launch({166 path: electronPath,167 args: ['lib/main.js',168 '--settDir', './tmp',169 '--settFile', 'cl-settings.json',170 '--diagram',171 '--format', 'svg',172 '--output', 'tmp/cl-context',173 '--context', './testdata/test_context.vr2x'174 ]175 })176 window = await app.firstWindow();177 await window.coverage.startJSCoverage({reportAnonymousScripts: true});178 await waitVrm2Done()179 // Check main file180 await expect((await window.locator('id=name').innerHTML()).includes('oreqm_testdata_no_ogre')).toBe(true)181 // Check ref file182 await expect((await window.locator('id=ref_name').innerHTML()).includes('oreqm_testdata_del_movement')).toBe(true)183 await app.close({runBeforeUnload: true})184 })185 test('Open non-existing vr2x file from cmd line', async () => {186 app = await electron.launch({187 path: electronPath,188 args: ['lib/main.js',189 '--settDir', './tmp',190 '--settFile', 'cl-settings.json',191 '--context', './testdata/thisdoesnotexist.vr2x'192 ]193 })194 window = await app.firstWindow();195 await window.coverage.startJSCoverage({reportAnonymousScripts: true});196 await waitVrm2Done()197 // Check main file198 await expect(await window.locator('id=name').innerHTML()).toBe('')199 // Check ref file200 await expect(await window.locator('id=ref_name').innerHTML()).toBe('')201 await app.close({runBeforeUnload: true})202 })203 test('Select vql from cmd line', async () => {204 app = await electron.launch({205 path: electronPath,206 args: ['lib/main.js',207 '--settDir', './tmp',208 '--settFile', 'cl-settings.json',209 '--oreqm_main', './testdata/oreqm_testdata_del_movement.oreqm',210 '--vql',211 '--format', 'svg'212 ]213 })214 window = await app.firstWindow();215 await window.coverage.startJSCoverage({reportAnonymousScripts: true});216 await waitVrm2Done()217 await expect(window.locator('#vql_radio_input')).toBeChecked()218 await app.close({runBeforeUnload: true})219 })220 test('Select idOnly from cmd line', async () => {221 app = await electron.launch({222 path: electronPath,223 args: ['lib/main.js',224 '--settDir', './tmp',225 '--settFile', 'cl-settings.json',226 '--idOnly',227 '--format', 'svg'228 ]229 })230 window = await app.firstWindow();231 await window.coverage.startJSCoverage({reportAnonymousScripts: true});232 await waitVrm2Done()233 await expect(window.locator('#id_radio_input')).toBeChecked()234 await app.close({runBeforeUnload: true})235 })...

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setup.test.js

Source:setup.test.js Github

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...7 })8 const page = await browser.newPage()9 // Enable both JavaScript and CSS coverage10 await Promise.all([11 page.coverage.startJSCoverage([false, false]),12 page.coverage.startCSSCoverage()13 ]);14 await page.goto(15 'file:///Users/anirudhsharma/Documents/Semester8_College/STAD/Final%20Project/MonopolyTestFinalProj/monopoly-master1/index.html'16 )17 await page.click('#setup > div:nth-child(10) > input[type=button]')18 const [jsCoverage, cssCoverage] = await Promise.all([19 page.coverage.stopJSCoverage(),20 page.coverage.stopCSSCoverage(),21 ]);22 pti.write([...jsCoverage, ...cssCoverage], { includeHostname: true , storagePath: './.nyc_output' })23 await browser.close()24})25test("test start game click - 4 players", async () => {26 const browser = await puppeteer.launch({27 })28 const page = await browser.newPage()29 // Enable both JavaScript and CSS coverage30 await Promise.all([31 page.coverage.startJSCoverage([false, false]),32 page.coverage.startCSSCoverage()33 ]);34 await page.goto(35 'file:///Users/anirudhsharma/Documents/Semester8_College/STAD/Final%20Project/MonopolyTestFinalProj/monopoly-master1/index.html'36 )37 const [jsCoverage, cssCoverage] = await Promise.all([38 page.coverage.stopJSCoverage(),39 page.coverage.stopCSSCoverage(),40 ]);41 pti.write([...jsCoverage, ...cssCoverage], { includeHostname: true , storagePath: './.nyc_output' })42 await browser.close()...

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2const fs = require('fs');3(async () => {4 const browser = await puppeteer.launch();5 const page = await browser.newPage();6 await page.coverage.startJSCoverage();7 const jsCoverage = await page.coverage.stopJSCoverage();8 const coverage = jsCoverage.map(({url, ranges, text}) => {9 return {10 functions: ranges.map(range => text.substring(range.start, range.end))11 };12 });13 fs.writeFileSync('coverage.json', JSON.stringify(coverage));14 await browser.close();15})();16[{

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2(async () => {3 const browser = await puppeteer.launch({headless: false});4 const page = await browser.newPage();5 await page.coverage.startJSCoverage();6 const jscoverage = await page.coverage.stopJSCoverage();7 console.log(jscoverage);8 await browser.close();9})();

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2const path = require('path');3(async () => {4 const browser = await puppeteer.launch();5 const page = await browser.newPage();6 await page.coverage.startJSCoverage();7 await page.waitFor(5000);8 const jsCoverage = await page.coverage.stopJSCoverage();9 console.log(jsCoverage);10 await browser.close();11})();12 text: 'var s={137:function(e,t,n){' } ]13const puppeteer = require('puppeteer');14const path = require('path');15const fs = require('fs');16(async () => {17 const browser = await puppeteer.launch();18 const page = await browser.newPage();19 await page.coverage.startJSCoverage();20 await page.waitFor(5000);21 const jsCoverage = await page.coverage.stopJSCoverage();22 await fs.writeFileSync(path.join(__dirname, 'coverage.json'), JSON.stringify(jsCoverage));23 console.log(jsCoverage);24 await browser.close();25})();26{27 "scripts": {28 },

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2(async () => {3 const browser = await puppeteer.launch();4 const page = await browser.newPage();5 await page.coverage.startJSCoverage();6 const jsCoverage = await page.coverage.stopJSCoverage();7})();8const puppeteer = require('puppeteer');9(async () => {10 const browser = await puppeteer.launch();11 const page = await browser.newPage();12 await page.coverage.startCSSCoverage();13 const cssCoverage = await page.coverage.stopCSSCoverage();14})();15const puppeteer = require('puppeteer');16(async () => {17 const browser = await puppeteer.launch();18 const page = await browser.newPage();19 await page.coverage.startCoverage();20 const coverage = await page.coverage.stopCoverage();21})();

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2const fs = require('fs');3const path = require('path');4const mkdirp = require('mkdirp');5const util = require('util');6const { URL } = require('url');7const { startJSCoverage } = require('puppeteer-to-istanbul');8const JSCOVERAGE_DIR = path.join(__dirname, 'coverage');9const JSCOVERAGE_FILE = path.join(JSCOVERAGE_DIR, 'coverage-final.json');10(async () => {11 const browser = await puppeteer.launch();12 const page = await browser.newPage();13 await startJSCoverage(page);14 const coverage = await page.coverage.stopJSCoverage();15 await browser.close();16 mkdirp.sync(JSCOVERAGE_DIR);17 fs.writeFileSync(JSCOVERAGE_FILE, JSON.stringify(coverage));18})();19{20 "scripts": {21 }22}23{24}

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