public void Can_Edit_User()
{
// Arrange
Mock<IUserRepository> mock = new Mock<IUserRepository>();
mock.Setup(m => m.Users).Returns(new User[] {
new User {UserId = 1, Name="N1"},
new User {UserId = 2, Name="N2"},
new User {UserId = 3, Name="N3"},
});
UserController target = new UserController(mock.Object);
// Action
User u1 = target.Edit(1).ViewData.Model as User;
User u2 = target.Edit(2).ViewData.Model as User;
User u3 = target.Edit(3).ViewData.Model as User;
// Assert
Assert.AreEqual(1, u1.UserId);
Assert.AreEqual(2, u2.UserId);
Assert.AreEqual(3, u3.UserId);
}
public void Can_Save_valid_User()
{
// Arrange
Mock<IUserRepository> mock = new Mock<IUserRepository>();
UserController target = new UserController(mock.Object);
User usr = new User { Name = "Test" };
// Act
ActionResult result = target.Edit(usr);
// Assert - check that the repository was called
mock.Verify(m => m.SaveUser(usr));
Assert.IsNotInstanceOfType(result, typeof(ViewResult));
}
public void Cannot_Save_Invalid_Changes()
{
// Arrange - create mock repository
Mock<IUserRepository> mock = new Mock<IUserRepository>();
// Arrange - create the controller
UserController target = new UserController(mock.Object);
// Arrange - create a product
User usr = new User { Name = "Test" };
// Arrange - add an error to the model state
target.ModelState.AddModelError("error", "error");
// Act - try to save the product
ActionResult result = target.Edit(usr);
// Assert - check that the repository was not called
mock.Verify(m => m.SaveUser(It.IsAny<User>()), Times.Never());
// Assert - check the method result type
Assert.IsInstanceOfType(result, typeof(ViewResult));
}