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https://github.com/mauriceboe/TREK.git
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test(front): add test suite frontend (WIP)
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jubnl
@@ -0,0 +1,102 @@
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import { describe, it, expect } from 'vitest';
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import { formatDate, formatTime, dayTotalCost, currencyDecimals } from '../../../src/utils/formatters';
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describe('currencyDecimals', () => {
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it('returns 0 for zero-decimal currencies', () => {
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expect(currencyDecimals('JPY')).toBe(0);
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expect(currencyDecimals('KRW')).toBe(0);
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expect(currencyDecimals('jpy')).toBe(0); // case-insensitive
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});
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it('returns 2 for standard currencies', () => {
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expect(currencyDecimals('EUR')).toBe(2);
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expect(currencyDecimals('USD')).toBe(2);
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expect(currencyDecimals('GBP')).toBe(2);
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});
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});
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describe('formatDate', () => {
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it('returns null for null/undefined input', () => {
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expect(formatDate(null, 'en-US')).toBeNull();
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expect(formatDate(undefined, 'en-US')).toBeNull();
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});
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it('formats a date string and returns a non-empty string', () => {
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const result = formatDate('2025-06-01', 'en-US');
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expect(result).not.toBeNull();
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expect(typeof result).toBe('string');
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expect(result!.length).toBeGreaterThan(0);
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});
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it('accepts an optional timeZone parameter without throwing', () => {
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const result = formatDate('2025-06-01', 'en-US', 'America/New_York');
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expect(result).not.toBeNull();
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});
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});
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describe('formatTime', () => {
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it('returns empty string for null/undefined', () => {
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expect(formatTime(null, 'en-US', '24h')).toBe('');
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expect(formatTime(undefined, 'en-US', '24h')).toBe('');
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});
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it('formats 24h time', () => {
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expect(formatTime('14:30', 'en-US', '24h')).toBe('14:30');
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expect(formatTime('09:05', 'en-US', '24h')).toBe('09:05');
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});
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it('appends Uhr suffix for German locale in 24h mode', () => {
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expect(formatTime('14:30', 'de-DE', '24h')).toBe('14:30 Uhr');
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});
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it('formats 12h time', () => {
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expect(formatTime('14:30', 'en-US', '12h')).toBe('2:30 PM');
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expect(formatTime('00:00', 'en-US', '12h')).toBe('12:00 AM');
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expect(formatTime('12:00', 'en-US', '12h')).toBe('12:00 PM');
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expect(formatTime('01:00', 'en-US', '12h')).toBe('1:00 AM');
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});
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});
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describe('dayTotalCost', () => {
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it('returns null when there are no assignments', () => {
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expect(dayTotalCost(1, {}, 'EUR')).toBeNull();
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});
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it('returns null when no places have prices', () => {
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const assignments = {
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'1': [
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{ id: 1, day_id: 1, order_index: 0, notes: null, place: { id: 1, trip_id: 1, name: 'P', lat: null, lng: null, description: null, address: null, category_id: null, icon: null, price: null, image_url: null, google_place_id: null, osm_id: null, route_geometry: null, place_time: null, end_time: null, created_at: '' } },
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],
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};
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expect(dayTotalCost(1, assignments, 'EUR')).toBeNull();
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});
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it('sums prices across assignments', () => {
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const assignments = {
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'1': [
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{ id: 1, day_id: 1, order_index: 0, notes: null, place: { id: 1, trip_id: 1, name: 'A', lat: null, lng: null, description: null, address: null, category_id: null, icon: null, price: '20', image_url: null, google_place_id: null, osm_id: null, route_geometry: null, place_time: null, end_time: null, created_at: '' } },
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{ id: 2, day_id: 1, order_index: 1, notes: null, place: { id: 2, trip_id: 1, name: 'B', lat: null, lng: null, description: null, address: null, category_id: null, icon: null, price: '30', image_url: null, google_place_id: null, osm_id: null, route_geometry: null, place_time: null, end_time: null, created_at: '' } },
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],
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};
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expect(dayTotalCost(1, assignments, 'EUR')).toBe('50 EUR');
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});
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it('ignores non-numeric price strings', () => {
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const assignments = {
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'1': [
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{ id: 1, day_id: 1, order_index: 0, notes: null, place: { id: 1, trip_id: 1, name: 'A', lat: null, lng: null, description: null, address: null, category_id: null, icon: null, price: 'free', image_url: null, google_place_id: null, osm_id: null, route_geometry: null, place_time: null, end_time: null, created_at: '' } },
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],
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};
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expect(dayTotalCost(1, assignments, 'EUR')).toBeNull();
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});
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it('uses the dayId key to look up assignments', () => {
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const assignments = {
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'2': [
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{ id: 3, day_id: 2, order_index: 0, notes: null, place: { id: 3, trip_id: 1, name: 'C', lat: null, lng: null, description: null, address: null, category_id: null, icon: null, price: '10', image_url: null, google_place_id: null, osm_id: null, route_geometry: null, place_time: null, end_time: null, created_at: '' } },
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],
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};
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expect(dayTotalCost(1, assignments, 'USD')).toBeNull();
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expect(dayTotalCost(2, assignments, 'USD')).toBe('10 USD');
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});
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});
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@@ -0,0 +1,63 @@
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import { describe, it, expect } from 'vitest';
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import { swapItems } from '../../../src/utils/reorder';
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// FE-UTIL-020 onwards
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const items = [
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{ id: 10 },
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{ id: 20 },
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{ id: 30 },
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{ id: 40 },
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];
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describe('swapItems', () => {
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it('FE-UTIL-020: swaps item up with its predecessor', () => {
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const result = swapItems(items, 1, 'up');
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expect(result).toEqual([20, 10, 30, 40]);
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});
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it('FE-UTIL-021: swaps item down with its successor', () => {
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const result = swapItems(items, 1, 'down');
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expect(result).toEqual([10, 30, 20, 40]);
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});
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it('FE-UTIL-022: returns null when moving first item up (out of bounds)', () => {
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expect(swapItems(items, 0, 'up')).toBeNull();
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});
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it('FE-UTIL-023: returns null when moving last item down (out of bounds)', () => {
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expect(swapItems(items, items.length - 1, 'down')).toBeNull();
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});
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it('FE-UTIL-024: swaps first and second items when moving index 1 up', () => {
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const result = swapItems(items, 1, 'up');
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expect(result![0]).toBe(20);
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expect(result![1]).toBe(10);
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});
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it('FE-UTIL-025: returns an array of IDs (not objects)', () => {
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const result = swapItems(items, 0, 'down');
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expect(Array.isArray(result)).toBe(true);
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expect(typeof result![0]).toBe('number');
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});
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it('FE-UTIL-026: does not mutate the original array', () => {
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const original = [{ id: 1 }, { id: 2 }, { id: 3 }];
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const snapshot = original.map((o) => o.id);
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swapItems(original, 0, 'down');
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expect(original.map((o) => o.id)).toEqual(snapshot);
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});
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it('FE-UTIL-027: returns null for a single-element array moving down', () => {
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expect(swapItems([{ id: 5 }], 0, 'down')).toBeNull();
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});
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it('FE-UTIL-028: returns null for a single-element array moving up', () => {
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expect(swapItems([{ id: 5 }], 0, 'up')).toBeNull();
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});
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it('FE-UTIL-029: swaps last two items when moving second-to-last down', () => {
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const result = swapItems(items, items.length - 2, 'down');
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expect(result).toEqual([10, 20, 40, 30]);
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});
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});
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