public void RetriveFromServerAtFirstTime()
{
IUsersRetriever usersRetriever = MockRepository.GenerateStrictMock <IUsersRetriever>();
UsersCache cache = new UsersCache(usersRetriever);
usersRetriever.Expect(r => r.RetrieveUserNameFromServer(1)).Return("Alex").Repeat.Once();
var user = cache.GetUserById(1);
usersRetriever.VerifyAllExpectations();
Assert.Equal("Alex", user);
}
public void DoNotConnectToServerAtSecondAndNextTimes()
{
IUsersRetriever usersRetriever = MockRepository.GenerateStrictMock <IUsersRetriever>();
UsersCache cache = new UsersCache(usersRetriever);
usersRetriever.Expect(r => r.RetrieveUserNameFromServer(1)).Return("Alex").Repeat.Once();
usersRetriever.Expect(r => r.RetrieveUserNameFromServer(1)).Repeat.Never();
var firstTimeUserRetrieved = cache.GetUserById(1);
usersRetriever.Expect(r => r.RetrieveUserNameFromServer(1)).Repeat.Never();
var secondTimeUserRetrieved = cache.GetUserById(1);
usersRetriever.VerifyAllExpectations();
Assert.Equal("Alex", firstTimeUserRetrieved);
Assert.Equal("Alex", secondTimeUserRetrieved);
}