Re: grabbing value from mutator on mockobject?

> nino martinez wael wrote:
>>
>> The reason that I asked this question anyhow was because I wanted to
>> use the real object but I cant grab it since Im not sure howto do that
>> with jmock..
>>
>> For example here I expect this:
>>
>>
>>  one(keySetupCpr).setTerminators(with(any(List.class)));
>>
>> if I could grab that list things would be easier...
>>
>
> My solution to this kind of requirement is this class (which anyone should
> feel free to use however they want, just make sure you give me credit if
> distributing in source form):
>
> --- file: MockProperty.java
> import org.jmock.api.Action;
> import org.jmock.api.Invocation;
> import org.jmock.lib.action.CustomAction;
>
> public class MockProperty<T>
> {
>   String   name;
>   Class<T> clazz;
>   T        value;
>
>   protected MockProperty (String name, Class<T> clazz)
>   {
>       this.name = name;
>       this.clazz = clazz;
>   }
>
>   public void setValue (T newValue)
>   {
>       value = newValue;
>   }
>
>   public T getValue ()
>   {
>       return value;
>   }
>
>   public Action setValueFromParameter (int index)
>   {
>       return new SetterAction (index);
>   }
>
>   public Action returnValue ()
>   {
>       return new GetterAction ();
>   }
>
>   private class SetterAction extends CustomAction
>   {
>       int index;
>
>       public SetterAction (int index)
>       {
>           super ("set " + name + " to value in parameter " + index);
>           this.index = index;
>       }
>
>       @Override
>       public Object invoke (Invocation invocation) throws Throwable
>       {
>           value = clazz.cast (invocation.getParameter (index));
>           return null;
>       }
>   }
>     private class GetterAction extends CustomAction
>   {
>       public GetterAction ()
>       {
>           super ("return value stored in " + name);
>       }
>
>       @Override
>       public Object invoke (Invocation invocation) throws Throwable
>       {
>           return value;
>       }
>   }
>     public static <T> MockProperty<T> create (String name, Class<T> clazz)
>   {
>       return new MockProperty<T> (name, clazz);
>   }
> }
>
> ---- end of file
>
> This both serves as a test for it, and shows how to use it:
>
> ---- file: MockPropertyTest.java
>
> import static org.junit.Assert.*;
>
> import org.jmock.Expectations;
> import org.jmock.Mockery;
> import org.junit.Test;
>
>
> public class MockPropertyTest
> {
>   interface TestInterface
>   {
>       public void set (int i);
>
>       public int get ();
>   }
>
>   @Test
>   public void setAndReturnValueWorks ()
>   {
>       Mockery mockery = new Mockery ();
>       final MockProperty<Integer> testProperty = MockProperty.create
> ("testProperty", Integer.class);
>       final TestInterface testInterface = mockery.mock
> (TestInterface.class);
>       mockery.checking (new Expectations () {
>           {
>               one (testInterface).set (with (any (Integer.class)));
>               will (testProperty.setValueFromParameter (0));
>               one (testInterface).get ();
>               will (testProperty.returnValue ());
>           }
>       });
>
>       testInterface.set (42);
>       assertEquals (42, (int) testProperty.getValue ());
>       assertEquals (42, testInterface.get ());
>
>       mockery.assertIsSatisfied ();
>   }
> }
>
> ---- end of file
>
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