Files
pdf-tools/src/pdf/pdfZipService.test.ts
2026-05-17 02:57:39 +02:00

87 lines
2.6 KiB
TypeScript

import { describe, expect, it } from 'vitest';
import { unzipSync } from 'fflate';
import { createSplitResultsZip, createSplitZipFilename } from './pdfZipService';
import type { SplitResult } from './pdfTypes';
async function unzipBlob(blob: Blob): Promise<Record<string, Uint8Array>> {
const arrayBuffer = await blob.arrayBuffer();
return unzipSync(new Uint8Array(arrayBuffer));
}
describe('pdfZipService', () => {
it('creates a ZIP archive from split PDF blobs', async () => {
const results: SplitResult[] = [
{
pageIndex: 0,
filename: 'document_page_001.pdf',
blob: new Blob([new Uint8Array([1, 2, 3])], {
type: 'application/pdf',
}),
},
{
pageIndex: 1,
filename: 'document_page_002.pdf',
blob: new Blob([new Uint8Array([4, 5, 6])], {
type: 'application/pdf',
}),
},
];
const zipBlob = await createSplitResultsZip(results);
const entries = await unzipBlob(zipBlob);
expect(zipBlob.type).toBe('application/zip');
expect(Object.keys(entries)).toEqual([
'document_page_001.pdf',
'document_page_002.pdf',
]);
expect(Array.from(entries['document_page_001.pdf'])).toEqual([1, 2, 3]);
expect(Array.from(entries['document_page_002.pdf'])).toEqual([4, 5, 6]);
});
it('sanitizes and deduplicates ZIP entry names', async () => {
const results: SplitResult[] = [
{
pageIndex: 0,
filename: '../page.pdf',
blob: new Blob([new Uint8Array([1])], { type: 'application/pdf' }),
},
{
pageIndex: 1,
filename: '../page.pdf',
blob: new Blob([new Uint8Array([2])], { type: 'application/pdf' }),
},
{
pageIndex: 2,
filename: '',
blob: new Blob([new Uint8Array([3])], { type: 'application/pdf' }),
},
];
const zipBlob = await createSplitResultsZip(results);
const entries = await unzipBlob(zipBlob);
expect(Object.keys(entries)).toEqual([
'.._page.pdf',
'.._page_2.pdf',
'page_003.pdf',
]);
});
it('creates a readable ZIP filename from the source PDF name', () => {
expect(createSplitZipFilename('contract.pdf')).toBe(
'contract_split_pages.zip'
);
expect(createSplitZipFilename('contract.final.PDF')).toBe(
'contract.final_split_pages.zip'
);
expect(createSplitZipFilename('')).toBe('document_split_pages.zip');
});
it('rejects empty split results', async () => {
await expect(createSplitResultsZip([])).rejects.toThrow(
'Cannot create a ZIP archive without split results.'
);
});
});