Files
ksef-pdf-generator/src/lib-public/UPO-generator.spec.ts
2026-01-16 08:35:43 +01:00

66 lines
1.8 KiB
TypeScript

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