rmock-users — For questions related to the usage of rMock

Re: [Rmock-users] RMock and JUnit4

[<Tho...@t-...>]

Hi Daniel,

thanks for your answer. Yes, I can execute JUnit3 test cases in JUnit4. But what I want to do the following:

@Test
public void myTest() {
    // create mocks
    // set up expectations

    // start verification

    // call the code under test
    // verify expectations
}

Regards,
Thomas

-----Ursprüngliche Nachricht-----
Von: Daniel Brolund [mailto:dan...@gm...] 
Gesendet: Donnerstag, 15. Januar 2009 11:23
An: rmo...@li...
Betreff: Re: [Rmock-users] RMock and JUnit4

Hi Thomas,

You can execute RMockTestCase:es in JUnit4 thanks to JUnit4's backwards compatibility, but we have not tested it extensively so there may be caveats.

It is however likely that Java5 stuff in your code, such as generics, will break RMock in one way or the other.

Cheers
Daniel


On Thu, Jan 15, 2009 at 8:54 AM,  <Tho...@t-...> wrote:
> Hi all,
>
> is there a way to use RMock together with JUnit4?
>
> Thanks,
> Thomas
>
> ----------------------------------------------------------------------
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Re: [Rmock-users] RMock and JUnit4

[Daniel B. <dan...@gm...>]

Hi Thomas,

You can execute RMockTestCase:es in JUnit4 thanks to JUnit4's
backwards compatibility, but we have not tested it extensively so
there may be caveats.

It is however likely that Java5 stuff in your code, such as generics,
will break RMock in one way or the other.

Cheers
Daniel


On Thu, Jan 15, 2009 at 8:54 AM,  <Tho...@t-...> wrote:
> Hi all,
>
> is there a way to use RMock together with JUnit4?
>
> Thanks,
> Thomas
>
> ------------------------------------------------------------------------------
> This SF.net email is sponsored by:
> SourcForge Community
> SourceForge wants to tell your story.
> http://p.sf.net/sfu/sf-spreadtheword
> _______________________________________________
> Rmock-users mailing list
> Rmo...@li...
> https://lists.sourceforge.net/lists/listinfo/rmock-users
>



-- 
---------------------------------------------------------
Daniel Brolund

email: dan...@gm...
mobile: +46708754002
blog: http://danielbrolund.wordpress.com

work: dan...@ag...

[Rmock-users] RMock and JUnit4

[<Tho...@t-...>]

Hi all,
 
is there a way to use RMock together with JUnit4?

Thanks,
Thomas

[Rmock-users] Moderated posts

[Joakim O. <joa...@ag...>]

As I'm sure you have noticed we are getting an increasing number of
SPAM-positings on the mailinglist. I have changed the settings so that
posts from unregistered users are held which was surprisingly not the
default setting in mail man. I hope that this will improve the
situation.

Regards
Joakim Ohlrogge

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[Rmock-users] verification

[Helgi K. <hel...@gm...>]

Hi.
Just wondering how to restart or rather reset verification on mock objects.

For ex:
mock.doStuff(someVar);
startVerification();

...
// reset()?
mock.doStuff(someVarThatThrowsAnException);
startVerification();

is that possible?

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Re: [Rmock-users] RMock and Java Reflection API

[Ziem, T. <Tho...@t-...>]

Hi Daniel and Joakim,

thank's for your suggestions.
It will inspire me to think more in patterns. :-)

Thank's again,
Thomas

Re: [Rmock-users] RMock and Java Reflection API

[Daniel B. <dan...@gm...>]

Hi,

Yep, you could do that, but then you've done the hard work of
identifying which constructor to use outside of the ReflectionFacade,
and I believe it belongs on the inside.

I would probably do

Object createInstanceByNameAndParameters(String className, Object[] parameters)

("create" better reflects what the method actually does, and should be
applied on the method below as well)

Cheers
Daniel



On Fri, May 23, 2008 at 9:44 AM, Ziem, Thomas <Tho...@t-...> wrote:
> Hi Daniel,
>
> that sounds good.
>
> What's your suggestion for non-default constructors?
> Perhaps another function like that:
>
> Object getInstanceByConstructor(Constructor constructor)
>
> Regards,
> Thomas
>
>> -----Ursprüngliche Nachricht-----
>> Von: rmo...@li...
>> [mailto:rmo...@li...] Im Auftrag
>> von Daniel Brolund
>> Gesendet: Donnerstag, 22. Mai 2008 19:42
>> An: rmo...@li...
>> Betreff: Re: [Rmock-users] RMock and Java Reflection API
>>
>> The variables "name" and "className" should of course be the
>> same, my bad.
>>
>> Cheers
>> Daniel
>>
>> On Thu, May 22, 2008 at 7:39 PM, Daniel Brolund
>> <dan...@gm...> wrote:
>> > Hi Thomas,
>> >
>> > Javas reflection classes are generally not "mockable".
>> >
>> > What I have done successfully in several project was to create a
>> > facade with the needed functionality.
>> >
>> > public class ReflectionStuff {
>> > Class getClassByName(String name) {
>> > try {
>> > return Class.forName(className);
>> > } catch(EveryExceptionKnownToMan e) {
>> > //handle nicely by throwing e.g. a runtime exception } } Object
>> > getInstanceByName(String name) {  return
>> > getClassByName(name).newInstance();  // You need to catch a
>> few more
>> > here :-P } }
>> >
>> > Then you can mock that class (or create an interface in the same
>> > manner if you prefer that) and inject into the class you
>> are testing.
>> >
>> > A good bonus is that you will handle all of the meaningless
>> exceptions
>> > Java might throw when reflecting in one place in the code.
>> >
>> > Did that help?
>> >
>> > Cheers
>> > Daniel
>> >
>> > On Thu, May 22, 2008 at 6:29 PM, Ziem, Thomas
>> <Tho...@t-...> wrote:
>> >> Hi all,
>> >>
>> >> I want to test a class which loads classes using the Java
>> Reflection
>> >> API:
>> >>
>> >> Class.forName(className).newInstance();
>> >>
>> >> The value of className comes from a configuration property.
>> >> Is there any way that the class under test uses a mocked
>> object instead?
>> >>
>> >> Thank's,
>> >> Thomas
>> >>
>> >>
>> ---------------------------------------------------------------------
>> >> ---- This SF.net email is sponsored by: Microsoft Defy all
>> >> challenges. Microsoft(R) Visual Studio 2008.
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>> >> _______________________________________________
>> >> Rmock-users mailing list
>> >> Rmo...@li...
>> >> https://lists.sourceforge.net/lists/listinfo/rmock-users
>> >>
>> >
>> >
>> >
>> > --
>> > __________________________
>> > Dan...@Gm...
>> >
>>
>>
>>
>> --
>> __________________________
>> Dan...@Gm...
>>
>> --------------------------------------------------------------
>> -----------
>> This SF.net email is sponsored by: Microsoft Defy all
>> challenges. Microsoft(R) Visual Studio 2008.
>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
>> _______________________________________________
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>> https://lists.sourceforge.net/lists/listinfo/rmock-users
>>
>



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__________________________
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Re: [Rmock-users] RMock and Java Reflection API

[Joakim O. <joa...@ag...>]

Hi,

Similar to Daniel I tend to end up with a reflection-fascade just to
make all the dirty exception-handling easier. That one is of course
tested without mocks and that is the only place in the application
"core" reflection takes place. I found that static methods for this
kind of reflection works well but I have also tried wrapping Class in
something that provides more highlevel funtionality like:

MyReflectionWrapper wrapper = new
MyReflectionWrapper(TheClassIWantToWrap.class);

WrappedInstance instance = wrapper.newReflectionProxy();
instance.invoke("methodName", arg1, arg2, arg3); // possible with java
1.5 and dynamic arguments

In addidtion to that, I tend to create roles on top of that. You
mentioned that the class is read from a configuration-file. What is
the relation your client-class has to this configurationfile?

Is there a role missing between your client and the reflection-stuff
or are you trying to implement that role?
It could be that the thing using reflection is just a factory to some
other class:

public interface StrategyFactory {
    Strategy create(String strategyName);
}

public class PropertyStrategyFactory  implements StrategyFactory {
     private final Properties properties;
     public PropertyStrategyFactory(String propertyFile) {
            this(new Properties());
            properties.load(propertyFile);
     }

     public PropertyStrategyFactory(Properties properties) {
            this.properties = properties;
     }

     public Strategy createStrategy(String name) {
           return new
MyReflectionWrapper<Strategy>(properties.get(name)).newInstance();
     }
}


In the above case the property factory can be tested with an in-memory
property-object and any clients to the factory can be tested with a
mock StrategyFactory.

I think one of the main points of interactionbased testing is to
discover those collaborating roles and define them as interfaces. To
wrap the general stuff into something that communicates what you want
to do with the general stuff, a role, and then mock those interfaces
that you have defined rather than external dependencies defined by
others.

Just my two cents, may or may not apply in your case.

Best regards!
/Joakim Ohlrogge


On Thu, May 22, 2008 at 7:39 PM, Daniel Brolund
<dan...@gm...> wrote:
> Hi Thomas,
>
> Javas reflection classes are generally not "mockable".
>
> What I have done successfully in several project was to create a
> facade with the needed functionality.
>
> public class ReflectionStuff {
> Class getClassByName(String name) {
> try {
> return Class.forName(className);
> } catch(EveryExceptionKnownToMan e) {
> //handle nicely by throwing e.g. a runtime exception
> }
> }
> Object getInstanceByName(String name) {
>  return getClassByName(name).newInstance();  // You need to catch a
> few more here :-P
> }
> }
>
> Then you can mock that class (or create an interface in the same
> manner if you prefer that) and inject into the class you are testing.
>
> A good bonus is that you will handle all of the meaningless exceptions
> Java might throw when reflecting in one place in the code.
>
> Did that help?
>
> Cheers
> Daniel
>
> On Thu, May 22, 2008 at 6:29 PM, Ziem, Thomas <Tho...@t-...> wrote:
>> Hi all,
>>
>> I want to test a class which loads classes using the Java Reflection
>> API:
>>
>> Class.forName(className).newInstance();
>>
>> The value of className comes from a configuration property.
>> Is there any way that the class under test uses a mocked object instead?
>>
>> Thank's,
>> Thomas
>>
>> -------------------------------------------------------------------------
>> This SF.net email is sponsored by: Microsoft
>> Defy all challenges. Microsoft(R) Visual Studio 2008.
>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
>> _______________________________________________
>> Rmock-users mailing list
>> Rmo...@li...
>> https://lists.sourceforge.net/lists/listinfo/rmock-users
>>
>
>
>
> --
> __________________________
> Dan...@Gm...
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2008.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
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> Rmo...@li...
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>



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