86 lines
2.1 KiB
TypeScript
86 lines
2.1 KiB
TypeScript
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// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { assert } from 'chai';
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import { toWebSafeBase64, fromWebSafeBase64 } from '../../util/webSafeBase64';
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describe('both/util/webSafeBase64', () => {
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it('roundtrips with all elements', () => {
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const base64 = 'X0KjoAj3h7Tu9YjJ++PamFc4kAg//D4FKommANpP41I=';
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const webSafe = toWebSafeBase64(base64);
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const actual = fromWebSafeBase64(webSafe);
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assert.strictEqual(base64, actual);
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});
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describe('#toWebSafeBase64', () => {
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it('replaces +', () => {
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const base64 = 'X++y';
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const expected = 'X--y';
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const actual = toWebSafeBase64(base64);
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assert.strictEqual(expected, actual);
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});
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it('replaces /', () => {
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const base64 = 'X//y';
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const expected = 'X__y';
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const actual = toWebSafeBase64(base64);
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assert.strictEqual(expected, actual);
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});
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it('removes =', () => {
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const base64 = 'X===';
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const expected = 'X';
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const actual = toWebSafeBase64(base64);
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assert.strictEqual(expected, actual);
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});
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});
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describe('#fromWebSafeBase64', () => {
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it('replaces -', () => {
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const webSafeBase64 = 'X--y';
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const expected = 'X++y';
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const actual = fromWebSafeBase64(webSafeBase64);
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assert.strictEqual(expected, actual);
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});
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it('replaces _', () => {
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const webSafeBase64 = 'X__y';
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const expected = 'X//y';
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const actual = fromWebSafeBase64(webSafeBase64);
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assert.strictEqual(expected, actual);
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});
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it('adds ===', () => {
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const webSafeBase64 = 'X';
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const expected = 'X===';
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const actual = fromWebSafeBase64(webSafeBase64);
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assert.strictEqual(expected, actual);
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});
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it('adds ==', () => {
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const webSafeBase64 = 'Xy';
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const expected = 'Xy==';
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const actual = fromWebSafeBase64(webSafeBase64);
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assert.strictEqual(expected, actual);
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});
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it('adds =', () => {
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const webSafeBase64 = 'XyZ';
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const expected = 'XyZ=';
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const actual = fromWebSafeBase64(webSafeBase64);
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assert.strictEqual(expected, actual);
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});
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});
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});
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