Partial Mocking Question

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Jozef Dransfield

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Aug 14, 2009, 4:47:42 AM8/14/09

to gmock-user

I am testing a grails controller.

I would like to call an action method, but replace two method calls in
that action with mock implementations.

One is public method in the controller, the other is an injected
method from the JMS Plugin

I am using this code

AController controller = new AController()

def mockController = mock(controller)

mockController.methodA(someParams).returns(someReturns)
mockController.sendJMSMessage("queue", [id: 1])

play {
mockController.action()
}

The result is the real methodA is still actually called, and i get an
exception saying the method sendJMSMessage doesnt exist!

Am i doing something wrong, or missunderstanding partial mocks?

Johnny Jian

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Aug 14, 2009, 5:26:19 AM8/14/09

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Could you post the stack trace here? And you can try "controller.action()", although I think "mockController.action()" should also work.

Johnny

Jozef Dransfield

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Aug 14, 2009, 8:12:01 AM8/14/09

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Hi i tried with controller and mockController, both give the same result

Here are the stack traces

ok so the first scenario is me trying to mock out my public method.

The stack trace doesnt tell you very much other than an unexpected call to save on Mock For RunTest was called.

The call is save is inside the public method im trying to mock so it shouldnt get called

junit.framework.AssertionFailedError: Unexpected method call 'save()' on 'Mock for RunTest'

ordered:

'principal()' on 'Mock for AuthenticateService': expected 1, actual 1

'User.get(1)': expected 1, actual 1

'Test.get(1)': expected 1, actual 1

'hasErrors()' on 'Mock for RunOptionsCommand': expected 1, actual 1

'targetBrowsers' on 'Mock for RunOptionsCommand': expected 1, actual 1

'new RunTest()': expected 1, actual 1

'owner = Mock for User (1)' on 'Mock for RunTest': expected 1, actual 1

'test = Mock for Test (1)' on 'Mock for RunTest': expected 1, actual 1

'done = false' on 'Mock for RunTest': expected 1, actual 1

'targetBrowsers = [firefox]' on 'Mock for RunTest': expected 1, actual 1

'saveRunTestAndLogErrors(Mock for RunTest)' on 'Mock for TestController': expected 1, actual 0

'id' on 'Mock for RunTest': expected 1, actual 0

'decrementCredits(Mock for User (1), 1)' on 'Mock for CreditService': expected 1, actual 0

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)

at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)

at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite$StaticMetaMethodSiteNoUnwrap.invoke(StaticMetaMethodSite.java:130)

at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.call(StaticMetaMethodSite.java:88)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:117)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)

at org.gmock.internal.InternalMockController.fail(InternalMockController.groovy:185)

at org.gmock.internal.InternalMockController$fail.call(Unknown Source)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:117)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:129)

at org.gmock.internal.metaclass.MetaClassHelper.findExpectation(MetaClassHelper.groovy:25)

at org.gmock.internal.metaclass.MetaClassHelper$findExpectation.callStatic(Unknown Source)

at org.gmock.internal.MockInternal.invokeMockMethod(MockInternal.groovy:80)

at org.gmock.internal.metaclass.MockProxyMetaClass$2.call(MockProxyMetaClass.java:53)

at sun.reflect.GeneratedMethodAccessor23.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoCachedMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:229)

at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:52)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)

at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:54)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:121)

at org.gmock.internal.InternalMockController.doWork(InternalMockController.groovy:218)

at org.gmock.internal.InternalMockController.this$2$doWork(InternalMockController.groovy)

at org.gmock.internal.InternalMockController$this$2$doWork.callCurrent(Unknown Source)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)

at org.gmock.internal.InternalMockController$this$2$doWork.callCurrent(Unknown Source)

at org.gmock.internal.InternalMockController.doInternal(InternalMockController.groovy:207)

at org.gmock.internal.InternalMockController$doInternal.callCurrent(Unknown Source)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)

at org.gmock.internal.InternalMockController$doInternal.callCurrent(Unknown Source)

at org.gmock.internal.InternalMockController.doInternal(InternalMockController.groovy:200)

at org.gmock.internal.metaclass.MockProxyMetaClass.invokeMethod(MockProxyMetaClass.java:47)

at org.gmock.internal.metaclass.MockProxyMetaClass.invokeMethod(MockProxyMetaClass.java:43)

at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:39)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:117)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:121)

at testproject.TestController$_closure12.doCall(TestController.groovy:257)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)

at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)

at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:272)

at groovy.lang.MetaClassImpl.invokePropertyOrMissing(MetaClassImpl.java:1101)

at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1064)

at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:926)

at org.gmock.internal.metaclass.ConcreteMockProxyMetaClass$2$1.call(ConcreteMockProxyMetaClass.java:63)