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			455 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			455 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| /**
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|  * Copyright (c) Microsoft Corporation.
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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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| 
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| import fs from 'fs';
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| import jpeg from 'jpeg-js';
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| import path from 'path';
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| import { browserTest, contextTest as test, expect } from './config/browserTest';
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| import { parseTrace } from './config/utils';
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| 
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| test.skip(({ trace }) => trace === 'on');
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| 
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| test('should collect trace with resources, but no js', async ({ context, page, server }, testInfo) => {
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|   await context.tracing.start({ screenshots: true, snapshots: true });
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|   await page.goto(server.PREFIX + '/frames/frame.html');
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|   await page.setContent('<button>Click</button>');
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|   await page.click('"Click"');
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|   await page.mouse.move(20, 20);
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|   await page.mouse.dblclick(30, 30);
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|   await page.keyboard.insertText('abc');
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|   await page.waitForTimeout(2000);  // Give it some time to produce screenshots.
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|   await page.close();
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|   await context.tracing.stop({ path: testInfo.outputPath('trace.zip') });
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| 
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|   const { events } = await parseTrace(testInfo.outputPath('trace.zip'));
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|   expect(events[0].type).toBe('context-options');
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|   expect(events.find(e => e.metadata?.apiName === 'page.goto')).toBeTruthy();
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|   expect(events.find(e => e.metadata?.apiName === 'page.setContent')).toBeTruthy();
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|   expect(events.find(e => e.metadata?.apiName === 'page.click')).toBeTruthy();
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|   expect(events.find(e => e.metadata?.apiName === 'mouse.move')).toBeTruthy();
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|   expect(events.find(e => e.metadata?.apiName === 'mouse.dblclick')).toBeTruthy();
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|   expect(events.find(e => e.metadata?.apiName === 'keyboard.insertText')).toBeTruthy();
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|   expect(events.find(e => e.metadata?.apiName === 'page.close')).toBeTruthy();
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| 
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|   expect(events.some(e => e.type === 'frame-snapshot')).toBeTruthy();
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|   expect(events.some(e => e.type === 'screencast-frame')).toBeTruthy();
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|   const style = events.find(e => e.type === 'resource-snapshot' && e.snapshot.request.url.endsWith('style.css'));
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|   expect(style).toBeTruthy();
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|   expect(style.snapshot.response.content._sha1).toBeTruthy();
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|   const script = events.find(e => e.type === 'resource-snapshot' && e.snapshot.request.url.endsWith('script.js'));
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|   expect(script).toBeTruthy();
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|   expect(script.snapshot.response.content._sha1).toBe(undefined);
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| });
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| 
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| test('should not collect snapshots by default', async ({ context, page, server }, testInfo) => {
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|   await context.tracing.start();
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|   await page.goto(server.EMPTY_PAGE);
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|   await page.setContent('<button>Click</button>');
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|   await page.click('"Click"');
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|   await page.close();
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|   await context.tracing.stop({ path: testInfo.outputPath('trace.zip') });
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| 
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|   const { events } = await parseTrace(testInfo.outputPath('trace.zip'));
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|   expect(events.some(e => e.type === 'frame-snapshot')).toBeFalsy();
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|   expect(events.some(e => e.type === 'resource-snapshot')).toBeFalsy();
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| });
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| 
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| test('should exclude internal pages', async ({ browserName, context, page, server }, testInfo) => {
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|   test.fixme(true, 'https://github.com/microsoft/playwright/issues/6743');
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|   await page.goto(server.EMPTY_PAGE);
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| 
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|   await context.tracing.start();
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|   await context.storageState();
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|   await page.close();
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|   await context.tracing.stop({ path: testInfo.outputPath('trace.zip') });
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| 
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|   const trace = await parseTrace(testInfo.outputPath('trace.zip'));
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|   const pageIds = new Set();
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|   trace.events.forEach(e => {
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|     const pageId = e.metadata?.pageId;
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|     if (pageId)
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|       pageIds.add(pageId);
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|   });
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|   expect(pageIds.size).toBe(1);
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| });
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| 
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| test('should include context API requests', async ({ browserName, context, page, server }, testInfo) => {
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|   await context.tracing.start({ snapshots: true });
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|   await page.request.post(server.PREFIX + '/simple.json', { data: { foo: 'bar' } });
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|   await context.tracing.stop({ path: testInfo.outputPath('trace.zip') });
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|   const { events } = await parseTrace(testInfo.outputPath('trace.zip'));
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|   const postEvent = events.find(e => e.metadata?.apiName === 'apiRequestContext.post');
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|   expect(postEvent).toBeTruthy();
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|   const harEntry = events.find(e => e.type === 'resource-snapshot');
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|   expect(harEntry).toBeTruthy();
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|   expect(harEntry.snapshot.request.url).toBe(server.PREFIX + '/simple.json');
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|   expect(harEntry.snapshot.response.status).toBe(200);
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| });
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| 
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| test('should collect two traces', async ({ context, page, server }, testInfo) => {
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|   await context.tracing.start({ screenshots: true, snapshots: true });
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|   await page.goto(server.EMPTY_PAGE);
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|   await page.setContent('<button>Click</button>');
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|   await page.click('"Click"');
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|   await context.tracing.stop({ path: testInfo.outputPath('trace1.zip') });
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| 
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|   await context.tracing.start({ screenshots: true, snapshots: true });
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|   await page.dblclick('"Click"');
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|   await page.close();
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|   await context.tracing.stop({ path: testInfo.outputPath('trace2.zip') });
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| 
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|   {
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|     const { events } = await parseTrace(testInfo.outputPath('trace1.zip'));
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|     expect(events[0].type).toBe('context-options');
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|     expect(events.find(e => e.metadata?.apiName === 'page.goto')).toBeTruthy();
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|     expect(events.find(e => e.metadata?.apiName === 'page.setContent')).toBeTruthy();
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|     expect(events.find(e => e.metadata?.apiName === 'page.click')).toBeTruthy();
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|     expect(events.find(e => e.metadata?.apiName === 'page.dblclick')).toBeFalsy();
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|     expect(events.find(e => e.metadata?.apiName === 'page.close')).toBeFalsy();
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|   }
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| 
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|   {
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|     const { events } = await parseTrace(testInfo.outputPath('trace2.zip'));
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|     expect(events[0].type).toBe('context-options');
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|     expect(events.find(e => e.metadata?.apiName === 'page.goto')).toBeFalsy();
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|     expect(events.find(e => e.metadata?.apiName === 'page.setContent')).toBeFalsy();
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|     expect(events.find(e => e.metadata?.apiName === 'page.click')).toBeFalsy();
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|     expect(events.find(e => e.metadata?.apiName === 'page.dblclick')).toBeTruthy();
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|     expect(events.find(e => e.metadata?.apiName === 'page.close')).toBeTruthy();
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|   }
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| });
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| 
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| test('should not include trace resources from the provious chunks', async ({ context, page, server, browserName }, testInfo) => {
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|   test.skip(browserName !== 'chromium', 'The number of screenshots is flaky in non-Chromium');
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|   await context.tracing.start({ screenshots: true, snapshots: true, sources: true });
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| 
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|   await context.tracing.startChunk();
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|   await page.goto(server.EMPTY_PAGE);
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|   await page.setContent('<button>Click</button>');
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|   await page.click('"Click"');
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|   // Give it enough time for both screenshots to get into the trace.
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|   await new Promise(f => setTimeout(f, 1000));
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|   await context.tracing.stopChunk({ path: testInfo.outputPath('trace1.zip') });
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| 
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|   await context.tracing.startChunk();
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|   await context.tracing.stopChunk({ path: testInfo.outputPath('trace2.zip') });
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| 
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|   {
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|     const { resources } = await parseTrace(testInfo.outputPath('trace1.zip'));
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|     const names = Array.from(resources.keys());
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|     expect(names.filter(n => n.endsWith('.html')).length).toBe(1);
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|     expect(names.filter(n => n.endsWith('.jpeg')).length).toBeGreaterThan(0);
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|     // 1 source file for the test.
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|     expect(names.filter(n => n.endsWith('.txt')).length).toBe(1);
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|   }
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| 
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|   {
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|     const { resources } = await parseTrace(testInfo.outputPath('trace2.zip'));
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|     const names = Array.from(resources.keys());
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|     // 1 network resource should be preserved.
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|     expect(names.filter(n => n.endsWith('.html')).length).toBe(1);
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|     expect(names.filter(n => n.endsWith('.jpeg')).length).toBe(0);
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|     // 1 source file for the test.
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|     expect(names.filter(n => n.endsWith('.txt')).length).toBe(1);
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|   }
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| });
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| 
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| test('should overwrite existing file', async ({ context, page, server }, testInfo) => {
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|   await context.tracing.start({ screenshots: true, snapshots: true, sources: true });
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|   await page.goto(server.EMPTY_PAGE);
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|   await page.setContent('<button>Click</button>');
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|   await page.click('"Click"');
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|   const path = testInfo.outputPath('trace1.zip');
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|   await context.tracing.stop({ path });
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|   {
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|     const { resources } = await parseTrace(path);
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|     const names = Array.from(resources.keys());
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|     expect(names.filter(n => n.endsWith('.html')).length).toBe(1);
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|   }
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| 
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|   await context.tracing.start({ screenshots: true, snapshots: true, sources: true });
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|   await context.tracing.stop({ path });
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| 
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|   {
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|     const { resources } = await parseTrace(path);
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|     const names = Array.from(resources.keys());
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|     expect(names.filter(n => n.endsWith('.html')).length).toBe(0);
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|   }
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| });
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| 
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| test('should collect sources', async ({ context, page, server }, testInfo) => {
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|   await context.tracing.start({ sources: true });
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|   await page.goto(server.EMPTY_PAGE);
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|   await page.setContent('<button>Click</button>');
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|   await page.click('"Click"');
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|   await context.tracing.stop({ path: testInfo.outputPath('trace1.zip') });
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| 
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|   const { resources } = await parseTrace(testInfo.outputPath('trace1.zip'));
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|   const sourceNames = Array.from(resources.keys()).filter(k => k.endsWith('.txt'));
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|   expect(sourceNames.length).toBe(1);
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|   const sourceFile = resources.get(sourceNames[0]);
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|   const thisFile = await fs.promises.readFile(__filename);
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|   expect(sourceFile).toEqual(thisFile);
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| });
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| 
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| test('should record network failures', async ({ context, page, server }, testInfo) => {
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|   await context.tracing.start({ snapshots: true });
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|   await page.route('**/*', route => route.abort('connectionaborted'));
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|   await page.goto(server.EMPTY_PAGE).catch(e => {});
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|   await context.tracing.stop({ path: testInfo.outputPath('trace1.zip') });
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| 
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|   const { events } = await parseTrace(testInfo.outputPath('trace1.zip'));
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|   const requestEvent = events.find(e => e.type === 'resource-snapshot' && !!e.snapshot.response._failureText);
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|   expect(requestEvent).toBeTruthy();
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| });
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| 
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| test('should not stall on dialogs', async ({ page, context, server }) => {
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|   await context.tracing.start({ screenshots: true, snapshots: true });
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|   await page.goto(server.EMPTY_PAGE);
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| 
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|   page.on('dialog', async dialog => {
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|     await dialog.accept();
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|   });
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| 
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|   await page.evaluate(() => {
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|     confirm('are you sure');
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|   });
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|   await context.tracing.stop();
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| });
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| 
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| 
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| for (const params of [
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|   {
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|     id: 'fit',
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|     width: 500,
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|     height: 500,
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|   },
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|   {
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|     id: 'crop',
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|     width: 400, // Less than 450 to test firefox
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|     height: 800,
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|   },
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|   {
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|     id: 'scale',
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|     width: 1024,
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|     height: 768,
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|   }
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| ]) {
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|   browserTest(`should produce screencast frames ${params.id}`, async ({ video, contextFactory, browserName, platform, headless }, testInfo) => {
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|     browserTest.fixme(browserName === 'chromium' && video === 'on', 'Same screencast resolution conflicts');
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|     browserTest.fixme(browserName === 'chromium' && !headless, 'Chromium screencast on headed has a min width issue');
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|     browserTest.fixme(params.id === 'fit' && browserName === 'chromium' && platform === 'darwin', 'High DPI maxes image at 600x600');
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|     browserTest.fixme(params.id === 'fit' && browserName === 'webkit' && platform === 'linux', 'Image size is flaky');
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| 
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|     const scale = Math.min(800 / params.width, 600 / params.height, 1);
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|     const previewWidth = params.width * scale;
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|     const previewHeight = params.height * scale;
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| 
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|     const context = await contextFactory({ viewport: { width: params.width, height: params.height } });
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|     await context.tracing.start({ screenshots: true, snapshots: true });
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|     const page = await context.newPage();
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|     // Make sure we have a chance to paint.
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|     for (let i = 0; i < 10; ++i) {
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|       await page.setContent('<body style="box-sizing: border-box; width: 100%; height: 100%; margin:0; background: red; border: 50px solid blue"></body>');
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|       await page.evaluate(() => new Promise(requestAnimationFrame));
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|     }
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|     await context.tracing.stop({ path: testInfo.outputPath('trace.zip') });
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| 
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|     const { events, resources } = await parseTrace(testInfo.outputPath('trace.zip'));
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|     const frames = events.filter(e => e.type === 'screencast-frame');
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| 
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|     // Check all frame sizes.
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|     for (const frame of frames) {
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|       expect(frame.width).toBe(params.width);
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|       expect(frame.height).toBe(params.height);
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|       const buffer = resources.get('resources/' + frame.sha1);
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|       const image = jpeg.decode(buffer);
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|       expect(image.width).toBe(previewWidth);
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|       expect(image.height).toBe(previewHeight);
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|     }
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| 
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|     const frame = frames[frames.length - 1]; // pick last frame.
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|     const buffer = resources.get('resources/' + frame.sha1);
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|     const image = jpeg.decode(buffer);
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|     expect(image.data.byteLength).toBe(previewWidth * previewHeight * 4);
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|     expectRed(image.data, previewWidth * previewHeight * 4 / 2 + previewWidth * 4 / 2); // center is red
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|     expectBlue(image.data, previewWidth * 5 * 4 + previewWidth * 4 / 2); // top
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|     expectBlue(image.data, previewWidth * (previewHeight - 5) * 4 + previewWidth * 4 / 2); // bottom
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|     expectBlue(image.data, previewWidth * previewHeight * 4 / 2 + 5 * 4); // left
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|     expectBlue(image.data, previewWidth * previewHeight * 4 / 2 + (previewWidth - 5) * 4); // right
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|   });
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| }
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| 
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| test('should include interrupted actions', async ({ context, page, server }, testInfo) => {
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|   await context.tracing.start({ screenshots: true, snapshots: true });
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|   await page.goto(server.EMPTY_PAGE);
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|   await page.setContent('<button>Click</button>');
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|   page.click('"ClickNoButton"').catch(() =>  {});
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|   await context.tracing.stop({ path: testInfo.outputPath('trace.zip') });
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|   await context.close();
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| 
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|   const { events } = await parseTrace(testInfo.outputPath('trace.zip'));
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|   const clickEvent = events.find(e => e.metadata?.apiName === 'page.click');
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|   expect(clickEvent).toBeTruthy();
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|   expect(clickEvent.metadata.error.error.message).toBe('Action was interrupted');
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| });
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| 
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| test('should throw when starting with different options', async ({ context }) => {
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|   await context.tracing.start({ screenshots: true, snapshots: true });
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|   const error = await context.tracing.start({ screenshots: false, snapshots: false }).catch(e => e);
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|   expect(error.message).toContain('Tracing has been already started with different options');
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| });
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| 
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| test('should throw when stopping without start', async ({ context }, testInfo) => {
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|   const error = await context.tracing.stop({ path: testInfo.outputPath('trace.zip') }).catch(e => e);
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|   expect(error.message).toContain('Must start tracing before stopping');
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| });
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| 
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| test('should not throw when stopping without start but not exporting', async ({ context }, testInfo) => {
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|   await context.tracing.stop();
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| });
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| 
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| test('should work with multiple chunks', async ({ context, page, server }, testInfo) => {
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|   await context.tracing.start({ screenshots: true, snapshots: true });
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|   await page.goto(server.PREFIX + '/frames/frame.html');
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| 
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|   await context.tracing.startChunk();
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|   await page.setContent('<button>Click</button>');
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|   await page.click('"Click"');
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|   page.click('"ClickNoButton"').catch(() =>  {});
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|   await context.tracing.stopChunk({ path: testInfo.outputPath('trace.zip') });
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| 
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|   await context.tracing.startChunk();
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|   await page.hover('"Click"');
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|   await context.tracing.stopChunk({ path: testInfo.outputPath('trace2.zip') });
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| 
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|   await context.tracing.startChunk();
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|   await page.click('"Click"');
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|   await context.tracing.stopChunk();  // Should stop without a path.
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| 
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|   const trace1 = await parseTrace(testInfo.outputPath('trace.zip'));
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|   expect(trace1.events[0].type).toBe('context-options');
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|   expect(trace1.events.find(e => e.metadata?.apiName === 'page.goto')).toBeFalsy();
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|   expect(trace1.events.find(e => e.metadata?.apiName === 'page.setContent')).toBeTruthy();
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|   expect(trace1.events.find(e => e.metadata?.apiName === 'page.click' && !!e.metadata.error)).toBeTruthy();
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|   expect(trace1.events.find(e => e.metadata?.apiName === 'page.hover')).toBeFalsy();
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|   expect(trace1.events.find(e => e.metadata?.apiName === 'page.click' && e.metadata?.error?.error?.message === 'Action was interrupted')).toBeTruthy();
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|   expect(trace1.events.some(e => e.type === 'frame-snapshot')).toBeTruthy();
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|   expect(trace1.events.some(e => e.type === 'resource-snapshot' && e.snapshot.request.url.endsWith('style.css'))).toBeTruthy();
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| 
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|   const trace2 = await parseTrace(testInfo.outputPath('trace2.zip'));
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|   expect(trace2.events[0].type).toBe('context-options');
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|   expect(trace2.events.find(e => e.metadata?.apiName === 'page.goto')).toBeFalsy();
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|   expect(trace2.events.find(e => e.metadata?.apiName === 'page.setContent')).toBeFalsy();
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|   expect(trace2.events.find(e => e.metadata?.apiName === 'page.click')).toBeFalsy();
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|   expect(trace2.events.find(e => e.metadata?.apiName === 'page.hover')).toBeTruthy();
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|   expect(trace2.events.some(e => e.type === 'frame-snapshot')).toBeTruthy();
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|   expect(trace2.events.some(e => e.type === 'resource-snapshot' && e.snapshot.request.url.endsWith('style.css'))).toBeTruthy();
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| });
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| 
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| test('should export trace concurrently to second navigation', async ({ context, page, server }, testInfo) => {
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|   for (let timeout = 0; timeout < 200; timeout += 20) {
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|     await context.tracing.start({ screenshots: true, snapshots: true });
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|     await page.goto(server.PREFIX + '/grid.html');
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| 
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|     // Navigate to the same page to produce the same trace resources
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|     // that might be concurrently exported.
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|     const promise = page.goto(server.PREFIX + '/grid.html');
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|     await page.waitForTimeout(timeout);
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|     await Promise.all([
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|       promise,
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|       context.tracing.stop({ path: testInfo.outputPath('trace.zip') }),
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|     ]);
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|   }
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| });
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| 
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| test('should not hang for clicks that open dialogs', async ({ context, page }) => {
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|   await context.tracing.start({ screenshots: true, snapshots: true });
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|   const dialogPromise = page.waitForEvent('dialog');
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|   await page.setContent(`<div onclick='window.alert(123)'>Click me</div>`);
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|   await page.click('div', { timeout: 2000 }).catch(() => {});
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|   const dialog = await dialogPromise;
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|   await dialog.dismiss();
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|   await context.tracing.stop();
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| });
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| 
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| test('should hide internal stack frames', async ({ context, page }, testInfo) => {
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|   await context.tracing.start({ screenshots: true, snapshots: true });
 | |
|   let evalPromise;
 | |
|   page.on('dialog', dialog => {
 | |
|     evalPromise = page.evaluate('2+2');
 | |
|     dialog.dismiss();
 | |
|   });
 | |
|   await page.setContent(`<div onclick='window.alert(123)'>Click me</div>`);
 | |
|   await page.click('div');
 | |
|   await evalPromise;
 | |
|   const tracePath = testInfo.outputPath('trace.zip');
 | |
|   await context.tracing.stop({ path: tracePath });
 | |
| 
 | |
|   const trace = await parseTrace(tracePath);
 | |
|   const actions = trace.events.filter(e => e.type === 'action' && !e.metadata.apiName.startsWith('tracing.'));
 | |
|   expect(actions).toHaveLength(4);
 | |
|   for (const action of actions)
 | |
|     expect(relativeStack(action)).toEqual(['tracing.spec.ts']);
 | |
| });
 | |
| 
 | |
| test('should hide internal stack frames in expect', async ({ context, page }, testInfo) => {
 | |
|   await context.tracing.start({ screenshots: true, snapshots: true });
 | |
|   let expectPromise;
 | |
|   page.on('dialog', dialog => {
 | |
|     expectPromise = expect(page).toHaveTitle('Hello');
 | |
|     dialog.dismiss();
 | |
|   });
 | |
|   await page.setContent(`<title>Hello</title><div onclick='window.alert(123)'>Click me</div>`);
 | |
|   await page.click('div');
 | |
|   await expect(page.locator('div')).toBeVisible();
 | |
|   await expectPromise;
 | |
|   const tracePath = testInfo.outputPath('trace.zip');
 | |
|   await context.tracing.stop({ path: tracePath });
 | |
| 
 | |
|   const trace = await parseTrace(tracePath);
 | |
|   const actions = trace.events.filter(e => e.type === 'action' && !e.metadata.apiName.startsWith('tracing.'));
 | |
|   expect(actions).toHaveLength(5);
 | |
|   for (const action of actions)
 | |
|     expect(relativeStack(action)).toEqual(['tracing.spec.ts']);
 | |
| });
 | |
| 
 | |
| function expectRed(pixels: Buffer, offset: number) {
 | |
|   const r = pixels.readUInt8(offset);
 | |
|   const g = pixels.readUInt8(offset + 1);
 | |
|   const b = pixels.readUInt8(offset + 2);
 | |
|   const a = pixels.readUInt8(offset + 3);
 | |
|   expect(r).toBeGreaterThan(200);
 | |
|   expect(g).toBeLessThan(70);
 | |
|   expect(b).toBeLessThan(70);
 | |
|   expect(a).toBe(255);
 | |
| }
 | |
| 
 | |
| function expectBlue(pixels: Buffer, offset: number) {
 | |
|   const r = pixels.readUInt8(offset);
 | |
|   const g = pixels.readUInt8(offset + 1);
 | |
|   const b = pixels.readUInt8(offset + 2);
 | |
|   const a = pixels.readUInt8(offset + 3);
 | |
|   expect(r).toBeLessThan(70);
 | |
|   expect(g).toBeLessThan(70);
 | |
|   expect(b).toBeGreaterThan(200);
 | |
|   expect(a).toBe(255);
 | |
| }
 | |
| 
 | |
| function relativeStack(action: any): string[] {
 | |
|   return action.metadata.stack.map(f => f.file.replace(__dirname + path.sep, ''));
 | |
| }
 | 
