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teste da controller req 3
  it('should return 400 if "name" is missing', async function () {
    const req = { body: {} };
    const res = {
      status: sinon.stub().returnsThis(),
      json: sinon.stub().returnsThis(),
    };
    await productsController.insertNewProduct(req, res);
    expect(res.status).to.have.been.calledWith(400);
    expect(res.json).to.have.been.calledWith({ message: '"name" is required' });
  });

  it('should return 422 if "name" length is less than 5', async function () {
    const req = { body: { name: 'abc' } };
    const res = {
      status: sinon.stub().returnsThis(),
      json: sinon.stub().returnsThis(),
    };
    await productsController.insertNewProduct(req, res);
    expect(res.status).to.have.been.calledWith(422);
    expect(res.json).to.have.been.calledWith({ message: '"name" length must be at least 5 characters long' });
  });

  it('should call productsService.insertNewProduct and return 201 with the new product', async function () {
    const req = { body: { name: 'Product Name' } };
    const res = {
      status: sinon.stub().returnsThis(),
      json: sinon.stub().returnsThis(),
    };
    const mockNewProduct = { id: 1, name: 'Product Name' };
    sinon.stub(productsService, 'insertNewProduct').resolves(mockNewProduct);
    await productsController.insertNewProduct(req, res);
    expect(productsService.insertNewProduct).to.have.been.calledWith('Product Name');
    expect(res.status).to.have.been.calledWith(201);
    expect(res.json).to.have.been.calledWith(mockNewProduct);
  });

  it('should return 404 if an error occurs', async function () {
    const req = { body: { name: 'Product Name' } };
    const res = {
      status: sinon.stub().returnsThis(),
      json: sinon.stub().returnsThis(),
    };
    const errorMessage = 'Error message';
    sinon.stub(productsService, 'insertNewProduct').throws(new Error(errorMessage));
    await productsController.insertNewProduct(req, res);
    expect(productsService.insertNewProduct).to.have.been.calledWith('Product Name');
    expect(res.status).to.have.been.calledWith(404);
    expect(res.json).to.have.been.calledWith({ message: errorMessage });
  });
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