60 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
/**
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 * @license
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 * Copyright Google Inc. All Rights Reserved.
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 *
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 * Use of this source code is governed by an MIT-style license that can be
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 * found in the LICENSE file at https://angular.io/license
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 */
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import {$, browser} from 'protractor';
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import {logging} from 'selenium-webdriver';
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const fs = require('fs');
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const sourceMap = require('source-map');
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describe('sourcemaps', function() {
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  const URL = 'all/playground/src/sourcemap/index.html';
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  it('should map sources', function() {
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    browser.get(URL);
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    $('error-app .errorButton').click();
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    // TODO(tbosch): Bug in ChromeDriver: Need to execute at least one command
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    // so that the browser logs can be read out!
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    browser.executeScript('1+1');
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    browser.manage().logs().get(logging.Type.BROWSER).then(function(logs: any) {
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      let errorLine: number = null;
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      let errorColumn: number = null;
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      logs.forEach(function(log: any) {
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        const match = log.message.match(/\.createError\s+\(.+:(\d+):(\d+)/m);
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        if (match) {
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          errorLine = parseInt(match[1]);
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          errorColumn = parseInt(match[2]);
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        }
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      });
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      expect(errorLine).not.toBeNull();
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      expect(errorColumn).not.toBeNull();
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      const content =
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          fs.readFileSync('dist/all/playground/src/sourcemap/index.js').toString('utf8');
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      const marker = '//# sourceMappingURL=data:application/json;base64,';
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      const index = content.indexOf(marker);
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      const sourceMapData =
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          Buffer.from(content.substring(index + marker.length), 'base64').toString('utf8');
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      const decoder = new sourceMap.SourceMapConsumer(JSON.parse(sourceMapData));
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      const originalPosition = decoder.originalPositionFor({line: errorLine, column: errorColumn});
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      const sourceCodeLines = fs.readFileSync('modules/playground/src/sourcemap/index.ts', {
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                                  encoding: 'UTF-8'
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                                }).split('\n');
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      expect(sourceCodeLines[originalPosition.line - 1])
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          .toMatch(/throw new Error\(\'Sourcemap test\'\)/);
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    });
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  });
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});
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