Re: [Nmock-general] Mock properties?

[Jim A. <JA...@th...>]

I had a look at this today.  SetupResult() does work, but as soon as you
Expect() on the same property's setter, the mock's internal record of the
property's expected signature is overwrittten (ie it expects the getter to
be called with an argument).

As I'm not that familiar with the internals of Method, Mock and co. I
thought I would ask you lot for input before I fixed it.  My feeling is
that properties should be treated differently to methods (not necessarily
at the public API level, but internally).  Although properties are
technically methods, they have, conceptually, two signatures.  At the
moment, NMock doesn't care whether it's invoking a getter or a setter (it
even strips the "get_" and "set_" from the names), and that's essentially
the problem - calls to "get_Foo" and "set_Foo" are just recorded as a call
to "Foo".

So unless anyone has a better idea, I'll extend ClassGenerator and Mock to
treat properties differently.

Jim

Thoughtworks




|---------+----------------------------------------->
|         |           Steve Freeman                 |
|         |           <st...@m3...>             |
|         |           Sent by:                      |
|         |           nmo...@li...|
|         |           ceforge.net                   |
|         |                                         |
|         |                                         |
|         |           09/11/2003 11:53              |
|         |                                         |
|---------+----------------------------------------->
  >------------------------------------------------------------------------------------------------------------------------------|
  |                                                                                                                              |
  |       To:       "Jeremy Dunck (6433)" <JD...@ib...>                                                                      |
  |       cc:       "Nmock-General (E-mail)" <nmo...@li...>                                               |
  |       Subject:  Re: [Nmock-general] Mock properties?                                                                         |
  >------------------------------------------------------------------------------------------------------------------------------|




Yep, it's a bug and there's already a test to prove it called

   SetAndGetPropertiesDoesNotWorkWithSetupReturn

For now, could you use ExpectAndReturn() ?

S.

Jeremy Dunck (6433) wrote:
> It's a 3rd-party binary.
>
> Fortunately, COM interop provides an interface when it generates the
> wrapper class, so that was free.  :)
>
> Unfortunately, now I'm getting a different error.
>
> I've whittled it down to a failing test.  Perhaps I'm doing something
> wrong, or perhaps we found a bug.  :)
>
> Thanks for the feedback.



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