206 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
		
		
			
		
	
	
			206 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
|  | /** | ||
|  |  * 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. | ||
|  |  */ | ||
|  | 
 | ||
|  | module.exports.addTests = function({testRunner, expect, product, FFOX, CHROME, WEBKIT}) { | ||
|  |   const {describe, xdescribe, fdescribe} = testRunner; | ||
|  |   const {it, fit, xit} = testRunner; | ||
|  |   const {beforeAll, beforeEach, afterAll, afterEach} = testRunner; | ||
|  | 
 | ||
|  |   describe('Page.$eval', function() { | ||
|  |     it('should work', async({page, server}) => { | ||
|  |       await page.setContent('<section id="testAttribute">43543</section>'); | ||
|  |       const idAttribute = await page.$eval('section', e => e.id); | ||
|  |       expect(idAttribute).toBe('testAttribute'); | ||
|  |     }); | ||
|  |     it('should accept arguments', async({page, server}) => { | ||
|  |       await page.setContent('<section>hello</section>'); | ||
|  |       const text = await page.$eval('section', (e, suffix) => e.textContent + suffix, ' world!'); | ||
|  |       expect(text).toBe('hello world!'); | ||
|  |     }); | ||
|  |     it('should accept ElementHandles as arguments', async({page, server}) => { | ||
|  |       await page.setContent('<section>hello</section><div> world</div>'); | ||
|  |       const divHandle = await page.$('div'); | ||
|  |       const text = await page.$eval('section', (e, div) => e.textContent + div.textContent, divHandle); | ||
|  |       expect(text).toBe('hello world'); | ||
|  |     }); | ||
|  |     it('should throw error if no element is found', async({page, server}) => { | ||
|  |       let error = null; | ||
|  |       await page.$eval('section', e => e.id).catch(e => error = e); | ||
|  |       expect(error.message).toContain('failed to find element matching selector "section"'); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('Page.$$eval', function() { | ||
|  |     it('should work', async({page, server}) => { | ||
|  |       await page.setContent('<div>hello</div><div>beautiful</div><div>world!</div>'); | ||
|  |       const divsCount = await page.$$eval('div', divs => divs.length); | ||
|  |       expect(divsCount).toBe(3); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('Page.$', function() { | ||
|  |     it('should query existing element', async({page, server}) => { | ||
|  |       await page.setContent('<section>test</section>'); | ||
|  |       const element = await page.$('section'); | ||
|  |       expect(element).toBeTruthy(); | ||
|  |     }); | ||
|  |     it('should return null for non-existing element', async({page, server}) => { | ||
|  |       const element = await page.$('non-existing-element'); | ||
|  |       expect(element).toBe(null); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('Page.$$', function() { | ||
|  |     it('should query existing elements', async({page, server}) => { | ||
|  |       await page.setContent('<div>A</div><br/><div>B</div>'); | ||
|  |       const elements = await page.$$('div'); | ||
|  |       expect(elements.length).toBe(2); | ||
|  |       const promises = elements.map(element => page.evaluate(e => e.textContent, element)); | ||
|  |       expect(await Promise.all(promises)).toEqual(['A', 'B']); | ||
|  |     }); | ||
|  |     it('should return empty array if nothing is found', async({page, server}) => { | ||
|  |       await page.goto(server.EMPTY_PAGE); | ||
|  |       const elements = await page.$$('div'); | ||
|  |       expect(elements.length).toBe(0); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('Path.$x', function() { | ||
|  |     it('should query existing element', async({page, server}) => { | ||
|  |       await page.setContent('<section>test</section>'); | ||
|  |       const elements = await page.$x('/html/body/section'); | ||
|  |       expect(elements[0]).toBeTruthy(); | ||
|  |       expect(elements.length).toBe(1); | ||
|  |     }); | ||
|  |     it('should return empty array for non-existing element', async({page, server}) => { | ||
|  |       const element = await page.$x('/html/body/non-existing-element'); | ||
|  |       expect(element).toEqual([]); | ||
|  |     }); | ||
|  |     it('should return multiple elements', async({page, sever}) => { | ||
|  |       await page.setContent('<div></div><div></div>'); | ||
|  |       const elements = await page.$x('/html/body/div'); | ||
|  |       expect(elements.length).toBe(2); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  | 
 | ||
|  |   describe('ElementHandle.$', function() { | ||
|  |     it('should query existing element', async({page, server}) => { | ||
|  |       await page.goto(server.PREFIX + '/playground.html'); | ||
|  |       await page.setContent('<html><body><div class="second"><div class="inner">A</div></div></body></html>'); | ||
|  |       const html = await page.$('html'); | ||
|  |       const second = await html.$('.second'); | ||
|  |       const inner = await second.$('.inner'); | ||
|  |       const content = await page.evaluate(e => e.textContent, inner); | ||
|  |       expect(content).toBe('A'); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should return null for non-existing element', async({page, server}) => { | ||
|  |       await page.setContent('<html><body><div class="second"><div class="inner">B</div></div></body></html>'); | ||
|  |       const html = await page.$('html'); | ||
|  |       const second = await html.$('.third'); | ||
|  |       expect(second).toBe(null); | ||
|  |     }); | ||
|  |   }); | ||
|  |   describe('ElementHandle.$eval', function() { | ||
|  |     it('should work', async({page, server}) => { | ||
|  |       await page.setContent('<html><body><div class="tweet"><div class="like">100</div><div class="retweets">10</div></div></body></html>'); | ||
|  |       const tweet = await page.$('.tweet'); | ||
|  |       const content = await tweet.$eval('.like', node => node.innerText); | ||
|  |       expect(content).toBe('100'); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should retrieve content from subtree', async({page, server}) => { | ||
|  |       const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"><div class="a">a-child-div</div></div>'; | ||
|  |       await page.setContent(htmlContent); | ||
|  |       const elementHandle = await page.$('#myId'); | ||
|  |       const content = await elementHandle.$eval('.a', node => node.innerText); | ||
|  |       expect(content).toBe('a-child-div'); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should throw in case of missing selector', async({page, server}) => { | ||
|  |       const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"></div>'; | ||
|  |       await page.setContent(htmlContent); | ||
|  |       const elementHandle = await page.$('#myId'); | ||
|  |       const errorMessage = await elementHandle.$eval('.a', node => node.innerText).catch(error => error.message); | ||
|  |       expect(errorMessage).toBe(`Error: failed to find element matching selector ".a"`); | ||
|  |     }); | ||
|  |   }); | ||
|  |   describe('ElementHandle.$$eval', function() { | ||
|  |     it('should work', async({page, server}) => { | ||
|  |       await page.setContent('<html><body><div class="tweet"><div class="like">100</div><div class="like">10</div></div></body></html>'); | ||
|  |       const tweet = await page.$('.tweet'); | ||
|  |       const content = await tweet.$$eval('.like', nodes => nodes.map(n => n.innerText)); | ||
|  |       expect(content).toEqual(['100', '10']); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should retrieve content from subtree', async({page, server}) => { | ||
|  |       const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"><div class="a">a1-child-div</div><div class="a">a2-child-div</div></div>'; | ||
|  |       await page.setContent(htmlContent); | ||
|  |       const elementHandle = await page.$('#myId'); | ||
|  |       const content = await elementHandle.$$eval('.a', nodes => nodes.map(n => n.innerText)); | ||
|  |       expect(content).toEqual(['a1-child-div', 'a2-child-div']); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should not throw in case of missing selector', async({page, server}) => { | ||
|  |       const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"></div>'; | ||
|  |       await page.setContent(htmlContent); | ||
|  |       const elementHandle = await page.$('#myId'); | ||
|  |       const nodesLength = await elementHandle.$$eval('.a', nodes => nodes.length); | ||
|  |       expect(nodesLength).toBe(0); | ||
|  |     }); | ||
|  | 
 | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('ElementHandle.$$', function() { | ||
|  |     it('should query existing elements', async({page, server}) => { | ||
|  |       await page.setContent('<html><body><div>A</div><br/><div>B</div></body></html>'); | ||
|  |       const html = await page.$('html'); | ||
|  |       const elements = await html.$$('div'); | ||
|  |       expect(elements.length).toBe(2); | ||
|  |       const promises = elements.map(element => page.evaluate(e => e.textContent, element)); | ||
|  |       expect(await Promise.all(promises)).toEqual(['A', 'B']); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should return empty array for non-existing elements', async({page, server}) => { | ||
|  |       await page.setContent('<html><body><span>A</span><br/><span>B</span></body></html>'); | ||
|  |       const html = await page.$('html'); | ||
|  |       const elements = await html.$$('div'); | ||
|  |       expect(elements.length).toBe(0); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  | 
 | ||
|  |   describe('ElementHandle.$x', function() { | ||
|  |     it('should query existing element', async({page, server}) => { | ||
|  |       await page.goto(server.PREFIX + '/playground.html'); | ||
|  |       await page.setContent('<html><body><div class="second"><div class="inner">A</div></div></body></html>'); | ||
|  |       const html = await page.$('html'); | ||
|  |       const second = await html.$x(`./body/div[contains(@class, 'second')]`); | ||
|  |       const inner = await second[0].$x(`./div[contains(@class, 'inner')]`); | ||
|  |       const content = await page.evaluate(e => e.textContent, inner[0]); | ||
|  |       expect(content).toBe('A'); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should return null for non-existing element', async({page, server}) => { | ||
|  |       await page.setContent('<html><body><div class="second"><div class="inner">B</div></div></body></html>'); | ||
|  |       const html = await page.$('html'); | ||
|  |       const second = await html.$x(`/div[contains(@class, 'third')]`); | ||
|  |       expect(second).toEqual([]); | ||
|  |     }); | ||
|  |   }); | ||
|  | }; |