add money tracker

src/lib/server/money-tracker.test.ts

@@ -0,0 +1,20 @@
+import { describe, expect, it } from 'vitest';
+import { cents, csvDate, parseCsv } from './money-tracker';
+
+describe('transaction import parsing', () => {
+	it('handles quoted commas and semicolon-separated European amounts', () => {
+		expect(
+			parseCsv('date;account;description;amount\n23/09/2026;Cash;"Food; drinks";-12,50')[1]
+		).toEqual(['23/09/2026', 'Cash', 'Food; drinks', '-12,50']);
+		expect(
+			parseCsv('date,account,description,amount\n2026-09-23,Cash,"Food, drinks",-12.50')[1][2]
+		).toBe('Food, drinks');
+		expect(csvDate('23/09/2026')).toBe('2026-09-23');
+		expect(cents('-12,50')).toBe(-1250);
+	});
+
+	it('rejects invalid dates and amounts rather than altering them', () => {
+		expect(csvDate('31/02/2026')).toBeNull();
+		expect(cents('1.234,56')).toBeUndefined();
+	});
+});