AI Implementation feature(889): Admin Area General Settings and Categories 1.07 (#29)

tests/backend/migrations.spec.ts

@@ -73,4 +73,22 @@ describe('Migrations', () => {
     const restrict = fks.filter((f: any) => f.on_delete === 'RESTRICT');
     expect(restrict.length).toBeGreaterThanOrEqual(2);
   });
+
+  it('creates the category table with created_at and updated_at columns (Job 889)', async () => {
+    const cols: any[] = await dataSource.query(`PRAGMA table_info("category")`);
+    const names = new Set(cols.map((c: any) => c.name));
+    expect(names.has('created_at')).toBe(true);
+    expect(names.has('updated_at')).toBe(true);
+  });
+
+  it('lists categories without a "no such column: c.created_at" error (Job 889)', async () => {
+    const rows = await dataSource
+      .getRepository(CategoryEntity)
+      .createQueryBuilder('c')
+      .orderBy('LOWER(c.abbreviation)', 'ASC')
+      .addOrderBy('c.abbreviation', 'ASC')
+      .getMany();
+    expect(Array.isArray(rows)).toBe(true);
+    expect(rows.length).toBeGreaterThanOrEqual(6);
+  });
 });

tests/frontend/admin-general-pure.spec.ts

@@ -2,6 +2,7 @@ import {
   datetimeMessage,
   deriveEventState,
   endAfterStartValidator,
+  eventEndFieldMessage,
   isoDatetimeValidator,
   normalizePageTitle,
   pageTitleError,
@@ -203,3 +204,22 @@ describe('datetimeMessage', () => {
     expect(datetimeMessage('Event start', '2026-08-15T10:30:00.000Z', null)).toBeNull();
   });
 });
+
+describe('eventEndFieldMessage (Job 889)', () => {
+  const endIsoMsg = 'Event end must be a valid ISO-8601 datetime.';
+  const endBeforeMsg = 'Event end must be after event start.';
+
+  it('returns the ISO message when invalidDatetime is set, even if endBeforeStart is also set', () => {
+    expect(eventEndFieldMessage({ invalidDatetime: true }, { endBeforeStart: true })).toBe(endIsoMsg);
+  });
+
+  it('returns the end-before-start message when invalidDatetime is absent and endBeforeStart is set', () => {
+    expect(eventEndFieldMessage(null, { endBeforeStart: true })).toBe(endBeforeMsg);
+    expect(eventEndFieldMessage({}, { endBeforeStart: true })).toBe(endBeforeMsg);
+  });
+
+  it('returns null when both error sources are absent', () => {
+    expect(eventEndFieldMessage(null, null)).toBeNull();
+    expect(eventEndFieldMessage({}, {})).toBeNull();
+  });
+});