test(front): add test suite frontend (WIP)

2026-06-22 14:51:45 +00:00 · 2026-04-07 12:31:09 +02:00
parent 96080e8a03
commit 3c31902885
97 changed files with 16973 additions and 4 deletions
@@ -0,0 +1,134 @@
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+import { http, HttpResponse } from 'msw';
+import { useTripStore } from '../../../src/store/tripStore';
+import { resetAllStores, seedStore } from '../../helpers/store';
+import { buildPackingItem } from '../../helpers/factories';
+import { server } from '../../helpers/msw/server';
+
+vi.mock('../../../src/api/websocket', () => ({
+  connect: vi.fn(),
+  disconnect: vi.fn(),
+  getSocketId: vi.fn(() => null),
+  joinTrip: vi.fn(),
+  leaveTrip: vi.fn(),
+  addListener: vi.fn(),
+  removeListener: vi.fn(),
+  setRefetchCallback: vi.fn(),
+}));
+
+beforeEach(() => {
+  resetAllStores();
+});
+
+describe('packingSlice', () => {
+  describe('addPackingItem', () => {
+    it('FE-PACKING-001: addPackingItem calls API and appends item to packingItems', async () => {
+      const existing = buildPackingItem({ trip_id: 1, name: 'Existing' });
+      seedStore(useTripStore, { packingItems: [existing] });
+
+      const result = await useTripStore.getState().addPackingItem(1, { name: 'Toothbrush', quantity: 1 });
+
+      expect(result.name).toBe('Toothbrush');
+      const items = useTripStore.getState().packingItems;
+      expect(items).toHaveLength(2);
+      // addPackingItem appends (not prepends)
+      expect(items[items.length - 1].name).toBe('Toothbrush');
+    });
+
+    it('FE-PACKING-002: addPackingItem on failure throws', async () => {
+      server.use(
+        http.post('/api/trips/1/packing', () =>
+          HttpResponse.json({ message: 'Error' }, { status: 500 })
+        ),
+      );
+
+      await expect(
+        useTripStore.getState().addPackingItem(1, { name: 'Fail item' })
+      ).rejects.toThrow();
+    });
+  });
+
+  describe('updatePackingItem', () => {
+    it('FE-PACKING-003: updatePackingItem replaces item in array by id', async () => {
+      const item = buildPackingItem({ id: 10, trip_id: 1, name: 'Old name', quantity: 1 });
+      seedStore(useTripStore, { packingItems: [item] });
+
+      server.use(
+        http.put('/api/trips/1/packing/10', async ({ request }) => {
+          const body = await request.json() as Record<string, unknown>;
+          return HttpResponse.json({ item: { ...item, ...body } });
+        }),
+      );
+
+      const result = await useTripStore.getState().updatePackingItem(1, 10, { name: 'New name' });
+
+      expect(result.name).toBe('New name');
+      expect(useTripStore.getState().packingItems[0].name).toBe('New name');
+    });
+  });
+
+  describe('deletePackingItem', () => {
+    it('FE-PACKING-004: deletePackingItem optimistically removes item, rollback on failure', async () => {
+      const item = buildPackingItem({ id: 10, trip_id: 1 });
+      seedStore(useTripStore, { packingItems: [item] });
+
+      server.use(
+        http.delete('/api/trips/1/packing/10', () =>
+          HttpResponse.json({ message: 'Error' }, { status: 500 })
+        ),
+      );
+
+      await expect(useTripStore.getState().deletePackingItem(1, 10)).rejects.toThrow();
+
+      expect(useTripStore.getState().packingItems).toHaveLength(1);
+      expect(useTripStore.getState().packingItems[0].id).toBe(10);
+    });
+
+    it('FE-PACKING-004b: deletePackingItem success removes item', async () => {
+      const item1 = buildPackingItem({ id: 10, trip_id: 1 });
+      const item2 = buildPackingItem({ id: 20, trip_id: 1 });
+      seedStore(useTripStore, { packingItems: [item1, item2] });
+
+      await useTripStore.getState().deletePackingItem(1, 10);
+
+      const items = useTripStore.getState().packingItems;
+      expect(items).toHaveLength(1);
+      expect(items[0].id).toBe(20);
+    });
+  });
+
+  describe('togglePackingItem', () => {
+    it('FE-PACKING-005: togglePackingItem sets checked optimistically', async () => {
+      const item = buildPackingItem({ id: 10, trip_id: 1, checked: 0 });
+      seedStore(useTripStore, { packingItems: [item] });
+
+      server.use(
+        http.put('/api/trips/1/packing/10', async ({ request }) => {
+          const body = await request.json() as Record<string, unknown>;
+          return HttpResponse.json({ item: { ...item, ...body } });
+        }),
+      );
+
+      await useTripStore.getState().togglePackingItem(1, 10, true);
+
+      expect(useTripStore.getState().packingItems[0].checked).toBe(1);
+    });
+
+    it('FE-PACKING-006: togglePackingItem rolls back checked on API failure', async () => {
+      const item = buildPackingItem({ id: 10, trip_id: 1, checked: 0 });
+      seedStore(useTripStore, { packingItems: [item] });
+
+      server.use(
+        http.put('/api/trips/1/packing/10', () =>
+          HttpResponse.json({ message: 'Error' }, { status: 500 })
+        ),
+      );
+
+      // toggle does NOT throw on error (silent rollback)
+      await useTripStore.getState().togglePackingItem(1, 10, true);
+
+      // Should be rolled back to original value
+      expect(useTripStore.getState().packingItems[0].checked).toBe(0);
+    });
+  });
+});