41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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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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jest.unmock('event-target-shim').setMock('NativeModules', {
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BlobModule: require('../__mocks__/BlobModule'),
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FileReaderModule: require('../__mocks__/FileReaderModule'),
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});
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const Blob = require('Blob');
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const FileReader = require('FileReader');
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describe('FileReader', function() {
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it('should read blob as text', async () => {
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const e = await new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = resolve;
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reader.onerror = reject;
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reader.readAsText(new Blob());
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});
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expect(e.target.result).toBe('');
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});
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it('should read blob as data URL', async () => {
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const e = await new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = resolve;
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reader.onerror = reject;
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reader.readAsDataURL(new Blob());
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});
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expect(e.target.result).toBe('data:text/plain;base64,NDI=');
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});
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});
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