66 lines
1.8 KiB
TypeScript
66 lines
1.8 KiB
TypeScript
import pdfMake from 'pdfmake/build/pdfmake';
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import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
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import { generatePDFUPO } from './UPO-generator';
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import * as XMLParser from '../shared/XML-parser';
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describe('generatePDFUPO', () => {
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const dummyFile = new File(['dummy'], 'dummy.xml', { type: 'text/xml' });
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const dummyUpo = {
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Potwierdzenie: {
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field1: 'value1',
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field2: 'value2',
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},
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};
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beforeEach(() => {
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vi.spyOn(XMLParser, 'parseXML').mockResolvedValue(dummyUpo);
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vi.spyOn(pdfMake, 'createPdf').mockImplementation(
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() =>
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({
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getBlob: (callback: (blob: Blob | null) => void) => {
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const blob = new Blob(['PDF content'], { type: 'application/pdf' });
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callback(blob);
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},
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}) as any
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);
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});
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afterEach(() => {
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vi.restoreAllMocks();
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});
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it('successfully generates a PDF blob', async () => {
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const blob = await generatePDFUPO(dummyFile);
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expect(blob).toBeInstanceOf(Blob);
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const text = await new Promise<string>((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = (): void => resolve(reader.result as string);
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reader.onerror = (): void => reject(reader.error);
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reader.readAsText(blob);
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});
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expect(text).toContain('PDF content');
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});
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it('rejects promise if pdfMake returns null blob', async () => {
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vi.spyOn(pdfMake, 'createPdf').mockReturnValue({
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getBlob: (callback: (blob: Blob | null) => void) => {
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callback(null);
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},
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} as any);
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await expect(generatePDFUPO(dummyFile)).rejects.toEqual('Error');
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});
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it('calls parseXML with the input file', async () => {
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const parseXMLSpy = vi.spyOn(XMLParser, 'parseXML');
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await generatePDFUPO(dummyFile);
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expect(parseXMLSpy).toHaveBeenCalledWith(dummyFile);
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});
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});
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