CODEWITHSUNDEEP
javaandroidmockitojunit3
temq
temq

Reputation: 176

NoClassDefFoundError when I create mock for method with parameters

I have the following class:

public class SomeClass {

    private int digit;

    public SomeClass(int i){
        digit = i;
    }       
    public int someMethod(int i){
        /*
         * Some work
         */
    }    
    /**
     * Other method
     */
}

And when I want to create a spy of this class with Mockito, I get java.lang.NoClassDefFoundError

But when I change method to 

public int someMethod(){
    // some work
}

all works without an error. What am I doing wrong?
My test class:

@PrepareForTest ({SomeClass.class})
public class SomeClassTest extends AndroidTestCase {

    private SomeClass someClass = null;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        // This is necessary on devices in order to avoid bugs with instantiation order
        System.setProperty("dexmaker.dexcache", getContext().getCacheDir().getPath());

        SomeClass localSomeClass = new SomeClass(10);
        someClass = Mockito.spy(localSomeClass);
        Mockito.doReturn(5).when(someClass).someMethod();
    }

    @Override
    protected void tearDown() throws Exception {
        super.tearDown();
    }

    public void testCorrectExemption(){
        /**
         * Test code
         */
    }
}

Edit: stacktrace with exception

java.lang.NoClassDefFoundError: org.mockito.internal.matchers.Equals
    at org.mockito.internal.invocation.ArgumentsProcessor.argumentsToMatchers(ArgumentsProcessor.java:47)
    at org.mockito.internal.invocation.InvocationMatcher.<init>(InvocationMatcher.java:34)
    at org.mockito.internal.invocation.MatchersBinder.bindMatchers(MatchersBinder.java:26)
    at org.mockito.internal.handler.MockHandlerImpl.handle(MockHandlerImpl.java:50)
    at org.mockito.internal.handler.NullResultGuardian.handle(NullResultGuardian.java:29)
    at org.mockito.internal.handler.InvocationNotifierHandler.handle(InvocationNotifierHandler.java:38)
    at com.google.dexmaker.mockito.InvocationHandlerAdapter.invoke(InvocationHandlerAdapter.java:49)
    at SomeClass_Proxy.testMethod(SomeClass_Proxy.generated)
    at ru.test.SomeClassTest.setUp(SomeClassTest.java:47)
    at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:190)
    at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:175)
    at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:555)
    at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1661)

Upvotes: 1

Views: 8433

Answers (2)

temq
temq

Reputation: 176

I solved the problem by replacing mockito-core.jar with mockito-all.jar

Upvotes: 5

Rishi Saraf
Rishi Saraf

Reputation: 1812

I don't think it has anything to do with mock. NoClassDefFoundError error is coming because your SomeClass.class is not in class path during execution. Put it class path and error will go away.

Upvotes: 2

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