49 строки
1.3 KiB
JavaScript
49 строки
1.3 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @emails oncall+react_native
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*/
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'use strict';
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const base64 = require('base64-js');
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const {TextEncoder, TextDecoder} = require('util');
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describe('binaryToBase64', () => {
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const binaryToBase64 = require('../binaryToBase64');
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it('should encode a Uint8Array', () => {
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const input = new TextEncoder().encode('Test string');
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expect(base64ToString(binaryToBase64(input))).toEqual('Test string');
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});
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it('should encode an ArrayBuffer', () => {
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const input = new TextEncoder().encode('Test string').buffer;
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expect(base64ToString(binaryToBase64(input))).toEqual('Test string');
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});
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it('should encode a DataView', () => {
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const input = new DataView(new TextEncoder().encode('Test string').buffer);
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expect(base64ToString(binaryToBase64(input))).toEqual('Test string');
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});
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it('should not encode a non ArrayBuffer or non typed array', () => {
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const input = ['i', 'n', 'v', 'a', 'l', 'i', 'd'];
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expect(() => binaryToBase64(input)).toThrowError();
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});
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});
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function base64ToString(base64String) {
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const byteArray = base64.toByteArray(base64String);
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return new TextDecoder().decode(byteArray);
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}
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