19c493ff6e
* Get extension from Content-Disposition first * User ImageCacheManager.cache over getCacheFile * Add unit tests for ImageCacheManager.getCacheFile * Add unit tests for ImageCacheManager.cache * Use exports and require to be able to mock isDownloading * Chain mockReturnValueOnce calls * Fix getExtensionFromContentDisposition and its unit tests
47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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import {getExtensionFromContentDisposition} from 'app/utils/file';
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describe('getExtensionFromContentDisposition', () => {
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it('should return the extracted the extension', () => {
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const exts = [
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'png',
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'PNG',
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'gif',
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'GIF',
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'bmp',
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'BMP',
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'jpg',
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'JPG',
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'jpeg',
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'JPEG',
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];
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exts.forEach((ext) => {
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const contentDisposition = `inline;filename="test_image.${ext}"; filename*=UTF-8''test_image.${ext}"`;
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const extension = getExtensionFromContentDisposition(contentDisposition);
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expect(extension).toBe(ext.toLowerCase());
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});
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});
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it('should return null for an invalid extension', () => {
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const invalidExt = 'invalid';
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const contentDisposition = `inline;filename="test_image.${invalidExt}"; filename*=UTF-8''test_image.${invalidExt}"`;
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const extension = getExtensionFromContentDisposition(contentDisposition);
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expect(extension).toBe(null);
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});
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it('should return null for no content disposition', () => {
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const contentDispositions = [
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undefined,
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null,
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'',
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];
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contentDispositions.forEach((contentDisposition) => {
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const extension = getExtensionFromContentDisposition(contentDisposition);
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expect(extension).toBe(null);
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});
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});
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});
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