public void Customer_CRUD_operations_basics()
{
var customer = new Customer() { Name = "Foo Bar", Address = "Los Angeles, CA" };
var customers = new List<Customer>();
var mockSet = EntityFrameworkMoqHelper.CreateMockForDbSet<Customer>()
.SetupForQueryOn(customers)
.WithAdd(customers, "CustomerID")//overwritten to simulate behavior of auto-increment database
.WithFind(customers, "CustomerID")
.WithRemove(customers);
var mockContext = EntityFrameworkMoqHelper.CreateMockForDbContext<DemoContext, Customer>(mockSet);
var customerService = new CustomerService(mockContext.Object);
customerService.Insert(customer);
customers.Should().Contain(x => x.CustomerID == customer.CustomerID);
//Testing GetByID (and DbSet.Find) method
customerService.GetByID(customer.CustomerID).Should().NotBeNull();
//Testing Remove method
customerService.Remove(customer);
customerService.GetByID(customer.CustomerID).Should().BeNull();
}
static void Main(string[] args)
{
try
{
Console.WriteLine("Starting example...");
var customer = new Customer() { Name = "Lorem Ipsum", Address = "Los Angeles, CA" };
var customerService = new CustomerService();
customerService.Insert(customer);
Console.WriteLine("Inserting Customer...Done.");
var customerFromDataBase = customerService.GetByID(customer.CustomerID);
customerService.Remove(customer);
Console.WriteLine("Some basic CRUD operations done. Give a look at 'DemoClientUnitTest' project to understand how EntityFramework.MoqHelper works");
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
Console.WriteLine("Stack: " + exc.StackTrace);
Console.WriteLine("");
Console.WriteLine("CURRENT DATA SOURCE (hard coded on DemoContext class): " + @"Data Source=.\SQLEXPRESS;Initial Catalog=DemoForMoqHelper;Integrated Security=true;");
}
Console.ReadKey();
}
public void Customer_insert_checking_property_customerID()
{
var customer = new Customer() { Name = "Foo Bar", Address = "Los Angeles, CA" };
var customers = new List<Customer>();
var mockSet = EntityFrameworkMoqHelper.CreateMockForDbSet<Customer>()
.SetupForQueryOn(customers)
.WithAdd(customers, "CustomerID");//overwritten to simulate behavior of auto-increment database
var mockContext = EntityFrameworkMoqHelper.CreateMockForDbContext<DemoContext, Customer>(mockSet);
var customerService = new CustomerService(mockContext.Object);
customerService.Insert(customer);
//Instead of checking implementations details, it was checking bussines rules
Assert.IsTrue(customer.CustomerID > 0);
}
public void Customer_insert_checking_EF_implementation_details()
{
var customer = new Customer() { Name = "Foo Bar", Address = "Los Angeles, CA" };
var customers = new List<Customer>();
var mockSet = EntityFrameworkMoqHelper.CreateMockForDbSet<Customer>()
.SetupForQueryOn(customers)
.WithAdd(customers);
var mockContext = EntityFrameworkMoqHelper.CreateMockForDbContext<DemoContext, Customer>(mockSet);
var customerService = new CustomerService(mockContext.Object);
customerService.Insert(customer);
//Checking how many times 'DbSet.Add' and 'DbContext.SaveChanges' was called
mockSet.Verify(m => m.Add(It.IsAny<Customer>()), Times.Once);
mockContext.Verify(m => m.SaveChanges(), Times.Once);
}
