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			58 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			2.2 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 { test, expect } from './pageTest';
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| 
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| test.describe('non-stalling evaluate', () => {
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|   test.skip(({ mode }) => mode !== 'default');
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| 
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|   test('should work', async ({ page, server, toImpl }) => {
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|     await page.goto(server.EMPTY_PAGE);
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|     const result = await toImpl(page.mainFrame()).nonStallingRawEvaluateInExistingMainContext('2+2');
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|     expect(result).toBe(4);
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|   });
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| 
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|   test('should throw while pending navigation', async ({ page, server, toImpl }) => {
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|     await page.goto(server.EMPTY_PAGE);
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|     await page.evaluate(() => document.body.textContent = 'HELLO WORLD');
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|     let error;
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|     await page.route('**/empty.html', async (route, request) => {
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|       error = await toImpl(page.mainFrame()).nonStallingRawEvaluateInExistingMainContext('2+2').catch(e => e);
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|       route.abort();
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|     });
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|     await page.goto(server.EMPTY_PAGE).catch(() => {});
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|     expect(error.message).toContain('Frame is currently attempting a navigation');
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|   });
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| 
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|   test('should throw when no main execution context', async ({ page, toImpl }) => {
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|     let errorPromise;
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|     page.on('frameattached', frame => {
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|       errorPromise = toImpl(frame).nonStallingRawEvaluateInExistingMainContext('2+2').catch(e => e);
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|     });
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|     await page.setContent('<iframe></iframe>');
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|     const error = await errorPromise;
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|     // bail out if we accidentally succeeded
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|     if (error === 4)
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|       return;
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|     // Testing this as a race.
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|     expect([
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|       'Frame does not yet have a main execution context',
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|       'Frame is currently attempting a navigation',
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|       'Navigation interrupted the evaluation',
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|     ]).toContain(error.message);
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|   });
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| });
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