Add CreateLostRequest test cases

backend/tests/item.spec.js

@@ -104,3 +104,78 @@ describe('GetFoundRequest Controller', () => {
     expect(res.json.calledWith({ message: 'Found item not found' })).to.be.true;
   });
 });
+
+describe('CreateLostRequest Controller', function() {
+  let req, res, next, lostItemStub, uploadToS3Stub;
+
+  beforeEach(function() {
+    // Stubbing the response object
+    res = {
+      status: sinon.stub().returnsThis(),
+      json: sinon.stub()
+    };
+
+    // Stubbing the next function
+    next = sinon.stub();
+
+    // Mocking the request object
+    req = {
+      body: {
+        type: 'Test Type',
+        brand: 'Test Brand',
+        size: 'M',
+        colour: 'Red',
+        locationLost: 'Test Location',
+        description: 'Test Description',
+        itemName: 'Test Item',
+        user: { _id: 'user_id' },
+      },
+      user: {
+        _id: 'testUserId'
+      },
+      files: []
+    };
+
+    // Stubbing the LostItem constructor
+    lostItemStub = sinon.stub(LostItem.prototype, 'save');
+
+    // Stubbing the uploadToS3 function
+    uploadToS3Stub = sinon.stub(itemController, 'uploadToS3');
+  });
+
+  afterEach(function() {
+    sinon.restore();
+  });
+
+  it('should create a lost item successfully', async function() {
+    // Set up stubs and mocks
+    lostItemStub.resolves({ _id: 'testItemId' });
+    uploadToS3Stub.resolves('testUrl');
+
+    await itemController.createLostRequest(req, res, next);
+
+    expect(res.status.calledWith(200)).to.be.true;
+    expect(res.json.calledOnce).to.be.true;
+    expect(res.json.args[0][0]).to.deep.include({ message: 'Created lost item successfully ID: testItemId' });
+  });
+
+  it('should upload files to S3 if present', async function() {
+    // Update req to include files
+    req.files = [{}, {}]; // Mock files
+    uploadToS3Stub.resolves('testUrl');
+
+    await itemController.createLostRequest(req, res, next);
+
+    expect(uploadToS3Stub.callCount).to.equal(2);
+    expect(uploadToS3Stub.calledWith('lost-items', sinon.match.object)).to.be.true;
+  });
+
+  it('should handle errors correctly', async function() {
+    const error = new Error('Test error');
+    lostItemStub.rejects(error);
+
+    await itemController.createLostRequest(req, res, next);
+
+    expect(next.calledWith(error)).to.be.true;
+  });
+});