App.tsx refactor + even more unit tests

src/routes/admin.content.routes.test.ts

@@ -110,6 +110,12 @@ describe('Admin Content Management Routes (/api/admin)', () => {
       expect(response.body).toEqual(mockCorrections);
     });
 
+    it('should return 500 if the database call fails', async () => {
+      mockedDb.getSuggestedCorrections.mockRejectedValue(new Error('DB Error'));
+      const response = await supertest(app).get('/api/admin/corrections');
+      expect(response.status).toBe(500);
+    });
+
     it('POST /corrections/:id/approve should approve a correction', async () => {
       const correctionId = 123;
       mockedDb.approveCorrection.mockResolvedValue(undefined);
@@ -119,6 +125,12 @@ describe('Admin Content Management Routes (/api/admin)', () => {
       expect(mockedDb.approveCorrection).toHaveBeenCalledWith(correctionId);
     });
 
+    it('POST /corrections/:id/approve should return 400 for an invalid ID', async () => {
+      const response = await supertest(app).post('/api/admin/corrections/abc/approve');
+      expect(response.status).toBe(400);
+      expect(response.body.message).toBe('Invalid correction ID provided.');
+    });
+
     it('POST /corrections/:id/reject should reject a correction', async () => {
       const correctionId = 789;
       mockedDb.rejectCorrection.mockResolvedValue(undefined);
@@ -127,6 +139,12 @@ describe('Admin Content Management Routes (/api/admin)', () => {
       expect(response.body).toEqual({ message: 'Correction rejected successfully.' });
     });
 
+    it('PUT /corrections/:id should return 400 if suggested_value is missing', async () => {
+      const response = await supertest(app).put('/api/admin/corrections/101').send({});
+      expect(response.status).toBe(400);
+      expect(response.body.message).toBe('A new suggested_value is required.');
+    });
+
     it('PUT /corrections/:id should update a correction', async () => {
       const correctionId = 101;
       const requestBody = { suggested_value: 'A new corrected value' };
@@ -136,6 +154,12 @@ describe('Admin Content Management Routes (/api/admin)', () => {
       expect(response.status).toBe(200);
       expect(response.body).toEqual(mockUpdatedCorrection);
     });
+
+    it('PUT /corrections/:id should return 404 if correction not found', async () => {
+      mockedDb.updateSuggestedCorrection.mockRejectedValue(new Error('Correction with ID 999 not found'));
+      const response = await supertest(app).put('/api/admin/corrections/999').send({ suggested_value: 'new value' });
+      expect(response.status).toBe(404);
+    });
   });
 
   describe('Brand Routes', () => {
@@ -157,6 +181,12 @@ describe('Admin Content Management Routes (/api/admin)', () => {
       expect(response.body.message).toBe('Brand logo updated successfully.');
       expect(mockedDb.updateBrandLogo).toHaveBeenCalledWith(brandId, expect.stringContaining('/assets/'));
     });
+
+    it('POST /brands/:id/logo should return 400 if no file is uploaded', async () => {
+      const response = await supertest(app).post('/api/admin/brands/55/logo');
+      expect(response.status).toBe(400);
+      expect(response.body.message).toBe('Logo image file is required.');
+    });
   });
 
   describe('Recipe and Comment Routes', () => {
@@ -170,6 +200,12 @@ describe('Admin Content Management Routes (/api/admin)', () => {
       expect(response.body).toEqual(mockUpdatedRecipe);
     });
 
+    it('PUT /recipes/:id/status should return 400 for an invalid status', async () => {
+      const response = await supertest(app).put('/api/admin/recipes/201').send({ status: 'invalid-status' });
+      expect(response.status).toBe(400);
+      expect(response.body.message).toContain('A valid status');
+    });
+
     it('PUT /comments/:id/status should update a comment status', async () => {
       const commentId = 301;
       const requestBody = { status: 'hidden' as const };
@@ -179,6 +215,12 @@ describe('Admin Content Management Routes (/api/admin)', () => {
       expect(response.status).toBe(200);
       expect(response.body).toEqual(mockUpdatedComment);
     });
+
+    it('PUT /comments/:id/status should return 400 for an invalid status', async () => {
+      const response = await supertest(app).put('/api/admin/comments/301').send({ status: 'invalid-status' });
+      expect(response.status).toBe(400);
+      expect(response.body.message).toContain('A valid status');
+    });
   });
 
   describe('Unmatched Items Route', () => {