Question

I know I can do this:

IDateTimeFactory dtf = MockRepository.GenerateStub<IDateTimeFactory>(); dtf.Now = new DateTime(); DoStuff(dtf); // dtf.Now can be called arbitrary number of times, will always return the same value dtf.Now = new DateTime()+new TimeSpan(0,1,0);  // 1 minute later DoStuff(dtf); //ditto from above 

What if instead of IDateTimeFactory.Now being a property it is a method IDateTimeFactory.GetNow(), how do I do the same thing?

As per Judah’s suggestion below I have rewritten my SetDateTime helper method as follows:

    private void SetDateTime(DateTime dt) {         Expect.Call(_now_factory.GetNow()).Repeat.Any();         LastCall.Do((Func<DateTime>)delegate() { return dt; });     } 

but it still throws ‘The result for ICurrentDateTimeFactory.GetNow(); has already been setup.’ errors.

Plus its still not going to work with a stub….

Answer 1

George,

Using your updated code, I got this to work:

MockRepository mocks = new MockRepository();  [Test] public void Test() {     IDateTimeFactory dtf = mocks.DynamicMock<IDateTimeFactory>();      DateTime desiredNowTime = DateTime.Now;     using (mocks.Record())     {         SetupResult.For(dtf.GetNow()).Do((Func<DateTime>)delegate { return desiredNowTime; });     }     using (mocks.Playback())     {         DoStuff(dtf); // Prints the current time             desiredNowTime += TimeSpan.FromMinutes(1);  // 1 minute later             DoStuff(dtf); // Prints the time 1 minute from now     } }  void DoStuff(IDateTimeFactory factory) {     DateTime time = factory.GetNow();     Console.WriteLine(time); } 

FWIW, I don’t believe you can accomplish this using stubs; you need to use a mock instead.