121 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			4.2 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 {computeMsgId, digest, sha1} from '../../src/i18n/digest';
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{
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  describe('digest', () => {
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    describe('digest', () => {
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      it('must return the ID if it\'s explicit', () => {
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        expect(digest({
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          id: 'i',
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          nodes: [],
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          placeholders: {},
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          placeholderToMessage: {},
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          meaning: '',
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          description: '',
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          sources: [],
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        })).toEqual('i');
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      });
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    });
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    describe('sha1', () => {
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      it('should work on empty strings',
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         () => { expect(sha1('')).toEqual('da39a3ee5e6b4b0d3255bfef95601890afd80709'); });
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      it('should returns the sha1 of "hello world"',
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         () => { expect(sha1('abc')).toEqual('a9993e364706816aba3e25717850c26c9cd0d89d'); });
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      it('should returns the sha1 of unicode strings',
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         () => { expect(sha1('你好,世界')).toEqual('3becb03b015ed48050611c8d7afe4b88f70d5a20'); });
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      it('should support arbitrary string size', () => {
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        // node.js reference code:
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        //
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        // var crypto = require('crypto');
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        //
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        // function sha1(string) {
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        //   var shasum = crypto.createHash('sha1');
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        //   shasum.update(string, 'utf8');
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        //   return shasum.digest('hex', 'utf8');
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        // }
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        //
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        // var prefix = `你好,世界`;
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        // var result = sha1(prefix);
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        // for (var size = prefix.length; size < 5000; size += 101) {
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        //   result = prefix + sha1(result);
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        //   while (result.length < size) {
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        //     result += result;
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        //   }
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        //   result = result.slice(-size);
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        // }
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        //
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        // console.log(sha1(result));
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        const prefix = `你好,世界`;
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        let result = sha1(prefix);
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        for (let size = prefix.length; size < 5000; size += 101) {
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          result = prefix + sha1(result);
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          while (result.length < size) {
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            result += result;
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          }
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          result = result.slice(-size);
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        }
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        expect(sha1(result)).toEqual('24c2dae5c1ac6f604dbe670a60290d7ce6320b45');
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      });
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    });
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    describe('decimal fingerprint', () => {
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      it('should work on well known inputs w/o meaning', () => {
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        const fixtures: {[msg: string]: string} = {
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          '  Spaced  Out  ': '3976450302996657536',
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          'Last Name': '4407559560004943843',
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          'First Name': '6028371114637047813',
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          'View': '2509141182388535183',
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          'START_BOLDNUMEND_BOLD of START_BOLDmillionsEND_BOLD': '29997634073898638',
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          'The customer\'s credit card was authorized for AMOUNT and passed all risk checks.':
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              '6836487644149622036',
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          'Hello world!': '3022994926184248873',
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          'Jalape\u00f1o': '8054366208386598941',
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          'The set of SET_NAME is {XXX, ...}.': '135956960462609535',
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          'NAME took a trip to DESTINATION.': '768490705511913603',
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          'by AUTHOR (YEAR)': '7036633296476174078',
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          '': '4416290763660062288',
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        };
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        Object.keys(fixtures).forEach(
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            msg => { expect(computeMsgId(msg, '')).toEqual(fixtures[msg]); });
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      });
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      it('should work on well known inputs with meaning', () => {
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        const fixtures: {[msg: string]: [string, string]} = {
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          '7790835225175622807': ['Last Name', 'Gmail UI'],
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          '1809086297585054940': ['First Name', 'Gmail UI'],
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          '3993998469942805487': ['View', 'Gmail UI'],
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        };
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        Object.keys(fixtures).forEach(
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            id => { expect(computeMsgId(fixtures[id][0], fixtures[id][1])).toEqual(id); });
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      });
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      it('should support arbitrary string size', () => {
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        const prefix = `你好,世界`;
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        let result = computeMsgId(prefix, '');
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        for (let size = prefix.length; size < 5000; size += 101) {
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          result = prefix + computeMsgId(result, '');
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          while (result.length < size) {
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            result += result;
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          }
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          result = result.slice(-size);
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        }
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        expect(computeMsgId(result, '')).toEqual('2122606631351252558');
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      });
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    });
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  });
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}
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