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53 lines
2.7 KiB
53 lines
2.7 KiB
import {hashFnv32a, simpleStringHash} from 'app/client/lib/textUtils';
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import {assert} from 'chai';
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describe('textUtils', function() {
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it('hashFnv32a should produce correct hashes', function() {
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// Test 32-bit for various strings
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function check(s: string, expected: number) {
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assert.equal(hashFnv32a(s), expected.toString(16).padStart(8, '0'));
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}
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// Based on https://github.com/sindresorhus/fnv1a/blob/053a8cb5a0f99212e71acb73a47823f26081b6e9/test.js
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check((''), 2_166_136_261);
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check(('h'), 3_977_000_791);
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check(('he'), 1_547_363_254);
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check(('hel'), 179_613_742);
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check(('hell'), 477_198_310);
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check(('hello'), 1_335_831_723);
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check(('hello '), 3_801_292_497);
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check(('hello w'), 1_402_552_146);
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check(('hello wo'), 3_611_200_775);
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check(('hello wor'), 1_282_977_583);
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check(('hello worl'), 2_767_971_961);
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check(('hello world'), 3_582_672_807);
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check('Lorem ipsum dolor sit amet, consectetuer adipiscing elit. ' +
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'Aenean commodo ligula eget dolor. Aenean massa. ' +
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'Cum sociis natoque penatibus et magnis dis parturient montes, ' +
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'nascetur ridiculus mus. Donec quam felis, ultricies nec, ' +
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'pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. ' +
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'Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. ' +
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'In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. ' +
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'Nullam dictum felis eu pede mollis pretium. ' +
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'Lorem ipsum dolor sit amet, consectetuer adipiscing elit. ' +
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'Aenean commodo ligula eget dolor. Aenean massa. ' +
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'Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. ' +
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'Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. ' +
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'Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, ' +
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'vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. ' +
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'Nullam dictum felis eu pede mollis pretium. Lorem ipsum dolor sit amet, consectetuer adipiscing elit. ' +
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'Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient ' +
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'montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. ' +
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'Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. ' +
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'In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.',
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2_964_896_417);
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});
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it('simpleStringHash should produce correct hashes', function() {
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// Not based on anything, just need to know if it changes
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assert.equal(simpleStringHash("hello"), "4f9f2cab3cfabf04ee7da04597168630");
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});
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});
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