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familienarchiv/frontend/src/lib/utils/filename.spec.ts
Marcel f0940524e7
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feat(filename): support compound last names like de Gruyter
Replace the four fixed regexes with a split-based algorithm:
- first segment = date → last segment = firstName, rest = lastName parts
- last segment = date → second-to-last = firstName, rest = lastName parts

18881025_de_Gruyter_Walter.pdf now correctly yields "Walter de Gruyter".
Simple two-segment names behave identically to before.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-26 15:33:21 +01:00

102 lines
2.9 KiB
TypeScript

import { describe, it, expect } from 'vitest';
import { parseFilename, stripExtension } from './filename';
describe('parseFilename', () => {
describe('date-first patterns', () => {
it('YYYY-MM-DD_Lastname_Firstname', () => {
expect(parseFilename('1965-03-12_Mueller_Hans.pdf')).toEqual({
dateIso: '1965-03-12',
personName: 'Hans Mueller',
suggestedTitle: 'Hans Mueller (12.03.1965)'
});
});
it('YYYYMMDD_Lastname_Firstname', () => {
expect(parseFilename('19650312_Mueller_Hans.pdf')).toEqual({
dateIso: '1965-03-12',
personName: 'Hans Mueller',
suggestedTitle: 'Hans Mueller (12.03.1965)'
});
});
it('YYYYMMDD_compound_lastname_Firstname', () => {
expect(parseFilename('18881025_de_Gruyter_Walter.pdf')).toEqual({
dateIso: '1888-10-25',
personName: 'Walter de Gruyter',
suggestedTitle: 'Walter de Gruyter (25.10.1888)'
});
});
it('handles umlauts in names', () => {
const result = parseFilename('2024-01-15_Müller_Jürgen.pdf');
expect(result.personName).toBe('Jürgen Müller');
});
});
describe('date-last patterns', () => {
it('Lastname_Firstname_YYYY-MM-DD', () => {
expect(parseFilename('Mueller_Hans_1965-03-12.pdf')).toEqual({
dateIso: '1965-03-12',
personName: 'Hans Mueller',
suggestedTitle: 'Hans Mueller (12.03.1965)'
});
});
it('Lastname_Firstname_YYYYMMDD', () => {
expect(parseFilename('Mueller_Hans_19650312.pdf')).toEqual({
dateIso: '1965-03-12',
personName: 'Hans Mueller',
suggestedTitle: 'Hans Mueller (12.03.1965)'
});
});
it('compound_lastname_Firstname_YYYYMMDD', () => {
expect(parseFilename('de_Gruyter_Walter_18881025.pdf')).toEqual({
dateIso: '1888-10-25',
personName: 'Walter de Gruyter',
suggestedTitle: 'Walter de Gruyter (25.10.1888)'
});
});
});
describe('non-matching filenames', () => {
it('returns empty for date-only filename', () => {
expect(parseFilename('1965-03-12.pdf')).toEqual({});
});
it('returns empty for two segments with no date', () => {
expect(parseFilename('Mueller_Hans.pdf')).toEqual({});
});
it('returns empty for unstructured filename', () => {
expect(parseFilename('scan_001.pdf')).toEqual({});
});
it('returns empty for three name segments with no date', () => {
expect(parseFilename('Mueller_Hans_Juergen.pdf')).toEqual({});
});
it('returns empty for filename without extension', () => {
expect(parseFilename('1965-03-12_Mueller_Hans')).toEqual({});
});
it('rejects implausible date (month 13)', () => {
expect(parseFilename('19651345_Mueller_Hans.pdf')).toEqual({});
});
});
});
describe('stripExtension', () => {
it('removes the extension', () => {
expect(stripExtension('document.pdf')).toBe('document');
});
it('removes only the last extension', () => {
expect(stripExtension('archive.tar.gz')).toBe('archive.tar');
});
it('leaves names without extension unchanged', () => {
expect(stripExtension('nodotfile')).toBe('nodotfile');
});
});