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			371 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			371 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|   | /** | ||
|  |  * Copyright 2018 Google Inc. All rights reserved. | ||
|  |  * Modifications copyright (c) Microsoft Corporation. | ||
|  |  * | ||
|  |  * 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. | ||
|  |  */ | ||
|  | 
 | ||
|  | const {FFOX, CHROMIUM, WEBKIT} = testOptions; | ||
|  | 
 | ||
|  | it('should work', async function({page}) { | ||
|  |   await page.setContent(`
 | ||
|  |   <head> | ||
|  |     <title>Accessibility Test</title> | ||
|  |   </head> | ||
|  |   <body> | ||
|  |     <h1>Inputs</h1> | ||
|  |     <input placeholder="Empty input" autofocus /> | ||
|  |     <input placeholder="readonly input" readonly /> | ||
|  |     <input placeholder="disabled input" disabled /> | ||
|  |     <input aria-label="Input with whitespace" value="  " /> | ||
|  |     <input value="value only" /> | ||
|  |     <input aria-placeholder="placeholder" value="and a value" /> | ||
|  |     <div aria-hidden="true" id="desc">This is a description!</div> | ||
|  |     <input aria-placeholder="placeholder" value="and a value" aria-describedby="desc" /> | ||
|  |   </body>`); | ||
|  |   // autofocus happens after a delay in chrome these days
 | ||
|  |   await page.waitForFunction(() => document.activeElement.hasAttribute('autofocus')); | ||
|  | 
 | ||
|  |   const golden = FFOX ? { | ||
|  |     role: 'document', | ||
|  |     name: 'Accessibility Test', | ||
|  |     children: [ | ||
|  |       {role: 'heading', name: 'Inputs', level: 1}, | ||
|  |       {role: 'textbox', name: 'Empty input', focused: true}, | ||
|  |       {role: 'textbox', name: 'readonly input', readonly: true}, | ||
|  |       {role: 'textbox', name: 'disabled input', disabled: true}, | ||
|  |       {role: 'textbox', name: 'Input with whitespace', value: '  '}, | ||
|  |       {role: 'textbox', name: '', value: 'value only'}, | ||
|  |       {role: 'textbox', name: '', value: 'and a value'}, // firefox doesn't use aria-placeholder for the name
 | ||
|  |       {role: 'textbox', name: '', value: 'and a value', description: 'This is a description!'}, // and here
 | ||
|  |     ] | ||
|  |   } : CHROMIUM ? { | ||
|  |     role: 'WebArea', | ||
|  |     name: 'Accessibility Test', | ||
|  |     children: [ | ||
|  |       {role: 'heading', name: 'Inputs', level: 1}, | ||
|  |       {role: 'textbox', name: 'Empty input', focused: true}, | ||
|  |       {role: 'textbox', name: 'readonly input', readonly: true}, | ||
|  |       {role: 'textbox', name: 'disabled input', disabled: true}, | ||
|  |       {role: 'textbox', name: 'Input with whitespace', value: '  '}, | ||
|  |       {role: 'textbox', name: '', value: 'value only'}, | ||
|  |       {role: 'textbox', name: 'placeholder', value: 'and a value'}, | ||
|  |       {role: 'textbox', name: 'placeholder', value: 'and a value', description: 'This is a description!'}, | ||
|  |     ] | ||
|  |   } : { | ||
|  |     role: 'WebArea', | ||
|  |     name: 'Accessibility Test', | ||
|  |     children: [ | ||
|  |       {role: 'heading', name: 'Inputs', level: 1}, | ||
|  |       {role: 'textbox', name: 'Empty input', focused: true}, | ||
|  |       {role: 'textbox', name: 'readonly input', readonly: true}, | ||
|  |       {role: 'textbox', name: 'disabled input', disabled: true}, | ||
|  |       {role: 'textbox', name: 'Input with whitespace', value: '  ' }, | ||
|  |       {role: 'textbox', name: '', value: 'value only' }, | ||
|  |       {role: 'textbox', name: 'placeholder', value: 'and a value'}, | ||
|  |       {role: 'textbox', name: 'This is a description!',value: 'and a value'}, // webkit uses the description over placeholder for the name
 | ||
|  |     ] | ||
|  |   }; | ||
|  |   expect(await page.accessibility.snapshot()).toEqual(golden); | ||
|  | }); | ||
|  | 
 | ||
|  | it('should work with regular text', async({page}) => { | ||
|  |   await page.setContent(`<div>Hello World</div>`); | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0]).toEqual({ | ||
|  |     role: FFOX ? 'text leaf' : 'text', | ||
|  |     name: 'Hello World', | ||
|  |   }); | ||
|  | }); | ||
|  | 
 | ||
|  | it('roledescription', async({page}) => { | ||
|  |   await page.setContent('<div tabIndex=-1 aria-roledescription="foo">Hi</div>'); | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0].roledescription).toEqual('foo'); | ||
|  | }); | ||
|  | 
 | ||
|  | it('orientation', async({page}) => { | ||
|  |   await page.setContent('<a href="" role="slider" aria-orientation="vertical">11</a>'); | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0].orientation).toEqual('vertical'); | ||
|  | }); | ||
|  | 
 | ||
|  | it('autocomplete', async({page}) => { | ||
|  |   await page.setContent('<div role="textbox" aria-autocomplete="list">hi</div>'); | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0].autocomplete).toEqual('list'); | ||
|  | }); | ||
|  | 
 | ||
|  | it('multiselectable', async({page}) => { | ||
|  |   await page.setContent('<div role="grid" tabIndex=-1 aria-multiselectable=true>hey</div>'); | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0].multiselectable).toEqual(true); | ||
|  | }); | ||
|  | 
 | ||
|  | it('keyshortcuts', async({page}) => { | ||
|  |   await page.setContent('<div role="grid" tabIndex=-1 aria-keyshortcuts="foo">hey</div>'); | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0].keyshortcuts).toEqual('foo'); | ||
|  | }); | ||
|  | 
 | ||
|  | it('should not report text nodes inside controls', async function({page}) { | ||
|  |   await page.setContent(`
 | ||
|  |   <div role="tablist"> | ||
|  |     <div role="tab" aria-selected="true"><b>Tab1</b></div> | ||
|  |     <div role="tab">Tab2</div> | ||
|  |   </div>`); | ||
|  |   const golden = { | ||
|  |     role: FFOX ? 'document' : 'WebArea', | ||
|  |     name: '', | ||
|  |     children: [{ | ||
|  |       role: 'tab', | ||
|  |       name: 'Tab1', | ||
|  |       selected: true | ||
|  |     }, { | ||
|  |       role: 'tab', | ||
|  |       name: 'Tab2' | ||
|  |     }] | ||
|  |   }; | ||
|  |   expect(await page.accessibility.snapshot()).toEqual(golden); | ||
|  | }); | ||
|  | 
 | ||
|  | // WebKit rich text accessibility is iffy
 | ||
|  | it.skip(WEBKIT)('rich text editable fields should have children', async function({page}) { | ||
|  |   await page.setContent(`
 | ||
|  |   <div contenteditable="true"> | ||
|  |     Edit this image: <img src="fakeimage.png" alt="my fake image"> | ||
|  |   </div>`); | ||
|  |   const golden = FFOX ? { | ||
|  |     role: 'section', | ||
|  |     name: '', | ||
|  |     children: [{ | ||
|  |       role: 'text leaf', | ||
|  |       name: 'Edit this image: ' | ||
|  |     }, { | ||
|  |       role: 'text', | ||
|  |       name: 'my fake image' | ||
|  |     }] | ||
|  |   } : { | ||
|  |     role: 'generic', | ||
|  |     name: '', | ||
|  |     value: 'Edit this image: ', | ||
|  |     children: [{ | ||
|  |       role: 'text', | ||
|  |       name: 'Edit this image:' | ||
|  |     }, { | ||
|  |       role: 'img', | ||
|  |       name: 'my fake image' | ||
|  |     }] | ||
|  |   }; | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0]).toEqual(golden); | ||
|  | }); | ||
|  | // WebKit rich text accessibility is iffy
 | ||
|  | it.skip(WEBKIT)('rich text editable fields with role should have children', async function({page}) { | ||
|  |   await page.setContent(`
 | ||
|  |   <div contenteditable="true" role='textbox'> | ||
|  |     Edit this image: <img src="fakeimage.png" alt="my fake image"> | ||
|  |   </div>`); | ||
|  |   const golden = FFOX ? { | ||
|  |     role: 'textbox', | ||
|  |     name: '', | ||
|  |     value: 'Edit this image: my fake image', | ||
|  |     children: [{ | ||
|  |       role: 'text', | ||
|  |       name: 'my fake image' | ||
|  |     }] | ||
|  |   } : { | ||
|  |     role: 'textbox', | ||
|  |     name: '', | ||
|  |     value: 'Edit this image: ', | ||
|  |     children: [{ | ||
|  |       role: 'text', | ||
|  |       name: 'Edit this image:' | ||
|  |     }, { | ||
|  |       role: 'img', | ||
|  |       name: 'my fake image' | ||
|  |     }] | ||
|  |   }; | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0]).toEqual(golden); | ||
|  | }); | ||
|  | 
 | ||
|  | it.skip(FFOX || WEBKIT)('plain text field with role should not have children', async function({page}) { | ||
|  |   // Firefox does not support contenteditable="plaintext-only".
 | ||
|  |   // WebKit rich text accessibility is iffy
 | ||
|  |   await page.setContent(`
 | ||
|  |     <div contenteditable="plaintext-only" role='textbox'>Edit this image:<img src="fakeimage.png" alt="my fake image"></div>`); | ||
|  |     const snapshot = await page.accessibility.snapshot(); | ||
|  |     expect(snapshot.children[0]).toEqual({ | ||
|  |       role: 'textbox', | ||
|  |       name: '', | ||
|  |       value: 'Edit this image:' | ||
|  |     }); | ||
|  | }); | ||
|  | 
 | ||
|  | it.skip(FFOX || WEBKIT)('plain text field without role should not have content', async function({page}) { | ||
|  |   await page.setContent(`
 | ||
|  |   <div contenteditable="plaintext-only">Edit this image:<img src="fakeimage.png" alt="my fake image"></div>`); | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0]).toEqual({ | ||
|  |     role: 'generic', | ||
|  |     name: '' | ||
|  |   }); | ||
|  | }); | ||
|  | 
 | ||
|  | it.skip(FFOX || WEBKIT)('plain text field with tabindex and without role should not have content', async function({page}) { | ||
|  |   await page.setContent(`
 | ||
|  |   <div contenteditable="plaintext-only" tabIndex=0>Edit this image:<img src="fakeimage.png" alt="my fake image"></div>`); | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0]).toEqual({ | ||
|  |     role: 'generic', | ||
|  |     name: '' | ||
|  |   }); | ||
|  | }); | ||
|  | 
 | ||
|  | it('non editable textbox with role and tabIndex and label should not have children', async function({page}) { | ||
|  |   await page.setContent(`
 | ||
|  |   <div role="textbox" tabIndex=0 aria-checked="true" aria-label="my favorite textbox"> | ||
|  |     this is the inner content | ||
|  |     <img alt="yo" src="fakeimg.png"> | ||
|  |   </div>`); | ||
|  |   const golden = FFOX ? { | ||
|  |     role: 'textbox', | ||
|  |     name: 'my favorite textbox', | ||
|  |     value: 'this is the inner content yo' | ||
|  |   } : CHROMIUM ? { | ||
|  |     role: 'textbox', | ||
|  |     name: 'my favorite textbox', | ||
|  |     value: 'this is the inner content ' | ||
|  |   } : { | ||
|  |     role: 'textbox', | ||
|  |     name: 'my favorite textbox', | ||
|  |     value: 'this is the inner content  ', | ||
|  |   }; | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0]).toEqual(golden); | ||
|  | }); | ||
|  | 
 | ||
|  | it('checkbox with and tabIndex and label should not have children', async function({page}) { | ||
|  |   await page.setContent(`
 | ||
|  |   <div role="checkbox" tabIndex=0 aria-checked="true" aria-label="my favorite checkbox"> | ||
|  |     this is the inner content | ||
|  |     <img alt="yo" src="fakeimg.png"> | ||
|  |   </div>`); | ||
|  |   const golden = { | ||
|  |     role: 'checkbox', | ||
|  |     name: 'my favorite checkbox', | ||
|  |     checked: true | ||
|  |   }; | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0]).toEqual(golden); | ||
|  | }); | ||
|  | 
 | ||
|  | it('checkbox without label should not have children', async function({page}) { | ||
|  |   await page.setContent(`
 | ||
|  |   <div role="checkbox" aria-checked="true"> | ||
|  |     this is the inner content | ||
|  |     <img alt="yo" src="fakeimg.png"> | ||
|  |   </div>`); | ||
|  |   const golden = FFOX ? { | ||
|  |     role: 'checkbox', | ||
|  |     name: 'this is the inner content yo', | ||
|  |     checked: true | ||
|  |   } : { | ||
|  |     role: 'checkbox', | ||
|  |     name: 'this is the inner content yo', | ||
|  |     checked: true | ||
|  |   }; | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.children[0]).toEqual(golden); | ||
|  | }); | ||
|  | 
 | ||
|  | it('should work a button', async({page}) => { | ||
|  |   await page.setContent(`<button>My Button</button>`); | ||
|  | 
 | ||
|  |   const button = await page.$('button'); | ||
|  |   expect(await page.accessibility.snapshot({root: button})).toEqual({ | ||
|  |     role: 'button', | ||
|  |     name: 'My Button' | ||
|  |   }); | ||
|  | }); | ||
|  | 
 | ||
|  | it('should work an input', async({page}) => { | ||
|  |   await page.setContent(`<input title="My Input" value="My Value">`); | ||
|  | 
 | ||
|  |   const input = await page.$('input'); | ||
|  |   expect(await page.accessibility.snapshot({root: input})).toEqual({ | ||
|  |     role: 'textbox', | ||
|  |     name: 'My Input', | ||
|  |     value: 'My Value' | ||
|  |   }); | ||
|  | }); | ||
|  | 
 | ||
|  | it('should work on a menu', async({page}) => { | ||
|  |   await page.setContent(`
 | ||
|  |     <div role="menu" title="My Menu"> | ||
|  |       <div role="menuitem">First Item</div> | ||
|  |       <div role="menuitem">Second Item</div> | ||
|  |       <div role="menuitem">Third Item</div> | ||
|  |     </div> | ||
|  |   `);
 | ||
|  | 
 | ||
|  |   const menu = await page.$('div[role="menu"]'); | ||
|  |   expect(await page.accessibility.snapshot({root: menu})).toEqual({ | ||
|  |     role: 'menu', | ||
|  |     name: 'My Menu', | ||
|  |     children: | ||
|  |     [ { role: 'menuitem', name: 'First Item' }, | ||
|  |       { role: 'menuitem', name: 'Second Item' }, | ||
|  |       { role: 'menuitem', name: 'Third Item' } ], | ||
|  |     orientation: WEBKIT ? 'vertical' : undefined | ||
|  |   }); | ||
|  | }); | ||
|  | 
 | ||
|  | it('should return null when the element is no longer in DOM', async({page}) => { | ||
|  |   await page.setContent(`<button>My Button</button>`); | ||
|  |   const button = await page.$('button'); | ||
|  |   await page.$eval('button', button => button.remove()); | ||
|  |   expect(await page.accessibility.snapshot({root: button})).toEqual(null); | ||
|  | }); | ||
|  | 
 | ||
|  | it('should show uninteresting nodes', async({page}) => { | ||
|  |   await page.setContent(`
 | ||
|  |     <div id="root" role="textbox"> | ||
|  |       <div> | ||
|  |         hello | ||
|  |         <div> | ||
|  |           world | ||
|  |         </div> | ||
|  |       </div> | ||
|  |     </div> | ||
|  |   `);
 | ||
|  | 
 | ||
|  |   const root = await page.$('#root'); | ||
|  |   const snapshot = await page.accessibility.snapshot({root, interestingOnly: false}); | ||
|  |   expect(snapshot.role).toBe('textbox'); | ||
|  |   expect(snapshot.value).toContain('hello'); | ||
|  |   expect(snapshot.value).toContain('world'); | ||
|  |   expect(!!snapshot.children).toBe(true); | ||
|  | }); | ||
|  | 
 | ||
|  | it('should work when there is a title ', async ({page}) => { | ||
|  |   await page.setContent(`
 | ||
|  |     <title>This is the title</title> | ||
|  |     <div>This is the content</div> | ||
|  |   `);
 | ||
|  |   const snapshot = await page.accessibility.snapshot(); | ||
|  |   expect(snapshot.name).toBe('This is the title'); | ||
|  |   expect(snapshot.children[0].name).toBe('This is the content'); | ||
|  | }); |