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33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
const mimeUtils = require('./mime-utils.js');
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describe('mimeUtils', () => {
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it('should get the file extension from the mime type', (async () => {
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expect(mimeUtils.toFileExtension('image/jpeg')).toBe('jpg');
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expect(mimeUtils.toFileExtension('image/jpg')).toBe('jpg');
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expect(mimeUtils.toFileExtension('IMAGE/JPG')).toBe('jpg');
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expect(mimeUtils.toFileExtension('')).toBe(null);
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}));
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it('should get the mime type from the filename', (async () => {
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expect(mimeUtils.fromFilename('test.jpg')).toBe('image/jpeg');
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expect(mimeUtils.fromFilename('test.JPG')).toBe('image/jpeg');
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expect(mimeUtils.fromFilename('test.doesntexist')).toBe(null);
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expect(mimeUtils.fromFilename('test')).toBe(null);
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}));
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it.each([
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['Not a data URL.', 'text/plain'],
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// No encoding type
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['data:image/svg+xml,%3csvg%3e%3cpath fill=\'%23fff\' d=\'M1,2,3z\'/%3e%3c/svg%3e', 'image/svg+xml'],
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// Shouldn't need a full data URL
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['data:image/jpeg;base64,/9j/4AAQSkZJR...', 'image/jpeg'],
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['data:image/png;base64,iVBORw0KGgoAAAANSUhEU...', 'image/png'],
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])('should get MIME types from data URLs (case %#)', (url, expected) => {
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expect(mimeUtils.fromDataUrl(url)).toBe(expected);
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});
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});
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