public void InsertUser_Calls_AddOnDbSet_And_SaveChangesOnContext_WhenCalled()
{
//Arrange
string FirstName = "Michael";
string LastName = "Hennigan";
string Email = "*****@*****.**";
string Password = "******";
var mockDbSet = new Mock <DbSet <User> >();
var mockContext = new Mock <SystemAdminContext>();
mockContext.Setup(x => x.Users).Returns(mockDbSet.Object);
var classUnderTest = new CRUD_Operations(mockContext.Object);
//Act
classUnderTest.InsertUser(FirstName, LastName, Email, Password);
//Assert
mockDbSet.Verify(x => x.Add(It.IsAny <User>()), Times.Once);
mockContext.Verify(x => x.SaveChanges(), Times.Once);
}
