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feat(core): implements a decimal fingerprint for i18n

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This commit is contained in:
Victor Berchet
2016-10-28 18:00:31 -07:00
parent 1d53a870dd
commit 582550a90d
2 changed files with 257 additions and 87 deletions
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116
modules/@angular/compiler/test/i18n/digest_spec.ts
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@ -8,51 +8,89 @@
import {describe, expect, it} from '@angular/core/testing/testing_internal';
import {sha1} from '../../src/i18n/digest';
import {fingerprint, sha1} from '../../src/i18n/digest';
export function main(): void {
describe('sha1', () => {
it('should work on emnpty strings',
() => { expect(sha1('')).toEqual('da39a3ee5e6b4b0d3255bfef95601890afd80709'); });
describe('digest', () => {
describe('sha1', () => {
it('should work on empty strings',
() => { expect(sha1('')).toEqual('da39a3ee5e6b4b0d3255bfef95601890afd80709'); });
it('should returns the sha1 of "hello world"',
() => { expect(sha1('abc')).toEqual('a9993e364706816aba3e25717850c26c9cd0d89d'); });
it('should returns the sha1 of "hello world"',
() => { expect(sha1('abc')).toEqual('a9993e364706816aba3e25717850c26c9cd0d89d'); });
it('should returns the sha1 of unicode strings',
() => { expect(sha1('你好，世界')).toEqual('3becb03b015ed48050611c8d7afe4b88f70d5a20'); });
it('should returns the sha1 of unicode strings',
() => { expect(sha1('你好，世界')).toEqual('3becb03b015ed48050611c8d7afe4b88f70d5a20'); });
it('should support arbitrary string size', () => {
// node.js reference code:
//
// var crypto = require('crypto');
//
// function sha1(string) {
// var shasum = crypto.createHash('sha1');
// shasum.update(string, 'utf8');
// return shasum.digest('hex', 'utf8');
// }
//
// var prefix = `你好，世界`;
// var result = sha1(prefix);
// for (var size = prefix.length; size < 5000; size += 101) {
// result = prefix + sha1(result);
// while (result.length < size) {
// result += result;
// }
// result = result.slice(-size);
// }
//
// console.log(sha1(result));
const prefix = `你好，世界`;
let result = sha1(prefix);
for (let size = prefix.length; size < 5000; size += 101) {
result = prefix + sha1(result);
while (result.length < size) {
result += result;
it('should support arbitrary string size', () => {
// node.js reference code:
//
// var crypto = require('crypto');
//
// function sha1(string) {
// var shasum = crypto.createHash('sha1');
// shasum.update(string, 'utf8');
// return shasum.digest('hex', 'utf8');
// }
//
// var prefix = `你好，世界`;
// var result = sha1(prefix);
// for (var size = prefix.length; size < 5000; size += 101) {
// result = prefix + sha1(result);
// while (result.length < size) {
// result += result;
// }
// result = result.slice(-size);
// }
//
// console.log(sha1(result));
const prefix = `你好，世界`;
let result = sha1(prefix);
for (let size = prefix.length; size < 5000; size += 101) {
result = prefix + sha1(result);
while (result.length < size) {
result += result;
}
result = result.slice(-size);
}
result = result.slice(-size);
}
expect(sha1(result)).toEqual('24c2dae5c1ac6f604dbe670a60290d7ce6320b45');
expect(sha1(result)).toEqual('24c2dae5c1ac6f604dbe670a60290d7ce6320b45');
});
});
describe('decimal fingerprint', () => {
const fixtures: {[msg: string]: string} = {
' Spaced Out ': '3976450302996657536',
'Last Name': '4407559560004943843',
'First Name': '6028371114637047813',
'View': '2509141182388535183',
'START_BOLDNUMEND_BOLD of START_BOLDmillionsEND_BOLD': '29997634073898638',
'The customer\'s credit card was authorized for AMOUNT and passed all risk checks.':
'6836487644149622036',
'Hello world!': '3022994926184248873',
'Jalape\u00f1o': '8054366208386598941',
'The set of SET_NAME is {XXX, ...}.': '135956960462609535',
'NAME took a trip to DESTINATION.': '768490705511913603',
'by AUTHOR (YEAR)': '7036633296476174078',
'': '4416290763660062288',
};
it('should work on well known inputs', () => {
Object.keys(fixtures).forEach(msg => { expect(fingerprint(msg)).toEqual(fixtures[msg]); });
});
it('should support arbitrary string size', () => {
const prefix = `你好，世界`;
let result = fingerprint(prefix);
for (let size = prefix.length; size < 5000; size += 101) {
result = prefix + fingerprint(result);
while (result.length < size) {
result += result;
}
result = result.slice(-size);
}
expect(fingerprint(result)).toEqual('2122606631351252558');
});
});
});
}