Delete white-box

test-delete-by-counting-rows.js

test("When deleting an existing order, Then the DB should have 0 records", async () => {
      // Arrange
      const orderToAdd = {
        userId: 1,
        productId: 2,
        invoiceId: `123`, //unique field
      };
      await request(expressApp).post("/order").send(orderToAdd);

      // Act
      const receivedResponse = await request(expressApp).delete(`/order/${existingOrderId}`);

      // Assert
      const numberOfOrders = await Orders.count;
      expect(numberOfOrders).toBe(0);
    });