41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
import downloader from '~/lib/utils/downloader';
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describe('Downloader', () => {
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let a;
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beforeEach(() => {
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a = { click: jest.fn() };
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jest.spyOn(document, 'createElement').mockImplementation(() => a);
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});
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afterEach(() => {
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jest.clearAllMocks();
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});
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describe('when inline file content is provided', () => {
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const fileData = 'inline content';
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const fileName = 'test.csv';
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it('uses the data urls to download the file', () => {
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downloader({ fileName, fileData });
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expect(document.createElement).toHaveBeenCalledWith('a');
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expect(a.download).toBe(fileName);
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expect(a.href).toBe(`data:text/plain;base64,${fileData}`);
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expect(a.click).toHaveBeenCalledTimes(1);
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});
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});
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describe('when an endpoint is provided', () => {
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const url = 'https://gitlab.com/test.csv';
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const fileName = 'test.csv';
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it('uses the endpoint to download the file', () => {
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downloader({ fileName, url });
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expect(document.createElement).toHaveBeenCalledWith('a');
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expect(a.download).toBe(fileName);
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expect(a.href).toBe(url);
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expect(a.click).toHaveBeenCalledTimes(1);
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});
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});
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});
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