Or if you really need to grab the argument that was passed in you can do it
this way ...
public class Foo
{
public String Label { get; set; }
}
public interface IFooService
{
string GetDescription(Foo foo);
}
public class TestMe
{
private readonly IFooService fooService;
public TestMe(IFooService fooService)
{
this.fooService = fooService;
}
public string SomethingThatNeedsADescription(Foo foo)
{
var descr = fooService.GetDescription(foo);
return descr;
}
}
[TestFixture]
internal class Test
{
[Test]
public void DoStuff()
{
var fooArg = new Foo() {Label = "Passed Back By Mock"};
var fooService = MockRepository.GenerateStub<IFooService>();
fooService
.Expect(s => s.GetDescription(fooArg))
.WhenCalled((i) =>
{
i.ReturnValue = (i.Arguments.First() as
Foo).Label;
})
.Return("Value that gets overidden by WhenCalled(...)")
.Repeat
.Once();
var testMe = new TestMe(fooService);
var result = testMe.SomethingThatNeedsADescription(fooArg);
fooService.AssertWasCalled(f => f.GetDescription(fooArg));
Assert.That(result, Is.EqualTo("Passed Back By Mock"));
}
}
On 16 May 2011 14:47, Alex McMahon <[email protected]> wrote:
> you can add a .Return(null) and the WhenCalled will override this Return
> and satisfy the error check.
>
>
> On 16 May 2011 14:09, Giulio Petrucci <[email protected]> wrote:
>
>> Hi Gavin,
>>
>> first of all, thank you for your reply.
>>
>> On Mon, May 16, 2011 at 2:50 PM, Gavin van der Merwe
>> <[email protected]> wrote:
>> > Try this
>> > var fooService = MockRepository.GenerateStub<IFooService>();
>> > fooService.Stub(s =>
>> > s.GetDescription(Arg<Foo>.Is.Anything)).WhenCalled(
>> > (i) => i.ReturnValue = i.Arguments.First());
>> > var testMe = new TestMe(fooService);
>>
>> At a glance, I'd say that in this way no return value is provided.
>> I've tested this suggestion and I have an error telling me
>> "Method 'IFooService.GetDescription(anything);' requires a return
>> value or an exception to throw." Any hint?
>>
>> Thanks again,
>> Giulio
>>
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>>
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