public ActionResult Edit(User user)
{
if (ModelState.IsValid) {
repository.SaveUser(user);
TempData["message"] = string.Format("{0} has been saved", user.Name);
return RedirectToAction("List");
}
return View(user);
}
public void SaveUser(User user)
{
if (user.UserId == 0) {
context.Users.Add(user);
} else {
User dbEntry = context.Users.Find(user.UserId);
if (dbEntry != null) {
dbEntry.Name = user.Name;
dbEntry.Email = user.Email;
}
}
context.SaveChanges();
}
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));
}