Have a look at the documentation for parameter matchers:

http://www.jmock.org/matchers.html

and

http://www.jmock.org/custom-matchers.html

Also look at the Javadoc for org.hamcrest.Matchers.

--Nat

On 02/11/2007, Eugeny N Dzhurinsky <bofh-H63iM2dv7CBBDgjK7y7TUQ@public.gmane.org> wrote:
> Hello!
>
> I would like to test the implementation of my custom TableModel (Swing). In
> this model it is possible to fire events when something was changed in the
> table. At this point TableModelListener interface is used, in particular -
> it's method tableChanged which accepts TableModelEvent.
>
> I am creating the mock for the TableModelListener and register it in
> TableModel, then I would like to test if the argument of the method
> tableChanged has certain property set to certain value.
>
> Could somebody please explain or point me to documentation where I could find
> such trick described?
>
> Thank you in advance!
>
> --
> Eugene N Dzhurinsky
>
>

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On Fri, Nov 02, 2007 at 12:56:24PM +0000, Nat Pryce wrote:
> Have a look at the documentation for parameter matchers:
>
> http://www.jmock.org/matchers.html
>
> and
>
> http://www.jmock.org/custom-matchers.html
>
> Also look at the Javadoc for org.hamcrest.Matchers.

Thank you, I've already looked at matchers, but didn't find any which would
suit my needs, so it seems I would need to create my own matcher, however I am
really confused why there's no implementation of such simple task. Probably I
am still missing something?

--
Eugene N Dzhurinsky

On Fri, Nov 02, 2007 at 09:17:54AM -0400, Dale King wrote:
>    You said you wanted to verify a property on the passed object. Why
>    doesn't org.hamcrest.Matchers.hasProperty do the trick?

I think that would do the trick, thank you. That what I meant when was talking
about stuff I missed :)

--
Eugene N Dzhurinsky

        context.checking(new Expectations() {{
            one(dao).getList();
            will(returnIterator(list));
        }});

Hi There,

I am newbie in JMock and I had problem to make a simple test returning a java.util.List.

I was following the link http://www.jmock.org/returning.html, but I hadn't success.

Below following my code, it is just a test.

Firstly, I have my interface
public interface DAO {   
    public List<String> getList();
}

Also, I have a concrete class which uses this DAO.
public class Principal {
    private DAO dao;   
    public List<String> getList() {
        return dao.getList();
    }
    //--Getters and Setters for DAO object

I would like to test the getList() method above. It is really a simple object. It simply gets the values from DAO and return it.

Now, following my TestCase

<at> RunWith(JMock.class)
public class TestPrincipal {
    Mockery context = new JUnit4Mockery();
   
    <at> Test
    public void testSoma() {
        final DAO dao = context.mock(DAO.class);               
       
        Principal p = new Principal();
        p.setDao(dao);

        final List<String> list = new ArrayList<String>();
        list.add("junior");

        context.checking(new Expectations() {{
            one(dao).getList();
            will(returnIterator(list));
        }});
       
        assertThat(p.getList(), equalTo(list));
    }

}


As you can see above, I am using JUnit 4 and JMock 2.

When I try to run the TestCase, I got the following exception:


java.lang.IllegalStateException: tried to return an incompatible value: expected a java.util.List but returned a java.util.AbstractList$Itr
    at org.jmock.api.Invocation.reportTypeError(Invocation.java:151)
    at org.jmock.api.Invocation.checkReturnTypeCompatibility(Invocation.java:119)
    at org.jmock.internal.InvocationExpectation.invoke(InvocationExpectation.java:127)
    at org.jmock.internal.InvocationDispatcher.dispatch(InvocationDispatcher.java:52)
    at org.jmock.Mockery.dispatch(Mockery.java:204)
    at org.jmock.Mockery.access$000(Mockery.java:37)
    at org.jmock.Mockery$MockObject.invoke(Mockery.java:246)
    at org.jmock.internal.InvocationDiverter.invoke(InvocationDiverter.java:27)
    at org.jmock.internal.ProxiedObjectIdentity.invoke(ProxiedObjectIdentity.java:36)
    at org.jmock.lib.JavaReflectionImposteriser$1.invoke(JavaReflectionImposteriser.java:33)
    at $Proxy2.getList(Unknown Source)
    at jmocktest.Principal.getList(Principal.java:14)
    at jmocktest.TestPrincipal.testSoma(TestPrincipal.java:35)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:615)
    at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59)
    at org.jmock.integration.junit4.JMock$1.invoke(JMock.java:36)
    at org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98)
    at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79)
    at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87)
    at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77)
    at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)
    at org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88)
    at org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)
    at org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)
    at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)
    at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)
    at org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:38)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)

Does anybody can help me please?

I appreciate any help

Best Regards
Junior

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