Re: [Rails-devel] Mocking library chosen

[Erik V. <eri...@xs...>]

This all is way beyond my understanding, but if the two of you say that it's useful, I'm fine.
Just wondering with what factor this will multiply the size of the Rails code.

Erik.

> -----Original Message-----
> From: brett lentz [mailto:bre...@gm...]
> Sent: Wednesday, June 06, 2012 7:07 PM
> To: Development list for Rails: an 18xx game
> Subject: Re: [Rails-devel] Mocking library chosen
> 
> I have no objections to Mockito.
> 
> One thing I'd like to see is just a central mocked data set that we can use for
> exercising the code. Eventually, it would be nice to grow our test case
> coverage.
> 
> ---Brett.
> 
> 
> On Wed, Jun 6, 2012 at 12:33 PM, Stefan Frey <ste...@we...> wrote:
> > Erik & Brett:
> > recently I have mailed that I would like to add a mock library to
> > support testing. At that time I preferred JMock (mostly above EasyMock).
> > However I did reevaluate my choice again and realized that the library
> > that suited my tastes best is Mockito.
> > see http://code.google.com/p/mockito/
> >
> > Checkout the documentation at
> > http://docs.mockito.googlecode.com/hg/latest/org/mockito/Mockito.html
> > which really shows very well the very simple but powerful style used.
> >
> > Or compare to the first test example which I have pushed to the
> > rails2.0 branch (ActionChangeTest.java) in the junit folder with the
> > identical hierachy as rails below (the source code itself is under src folder).
> >
> > It is really easy to create mock objects by simply annotate private
> > fields in the test classes with @Mock or directly with Player player =
> > mock(Player.class)
> >
> > Verifying that a method of the mock is called (once) requires:
> > verify(mock).method()
> >
> > And stubbing a method of the mock is initialized with:
> > when(mock.method()).thenReturn(value)
> >
> > Avoiding using strings also ensures that autocompletion of Eclipse-IDe
> > still works.
> >
> > This syntactical sugar simplifies unit tests substantially (at least
> > in my opinion).
> >
> > Stefan
> >
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