深海游弋的鱼 – 默默的点滴

Android真机使用Mockito-1.10.19+Dexmaker-1.2在Mock继承抽象父类的子类时报告如下错误：

java.lang.AbstractMethodError: abstract method not implemented
at org.mockito.internal.invocation.AbstractAwareMethod.isAbstract(Native Method)
at org.mockito.internal.invocation.InvocationImpl.callRealMethod(InvocationImpl.java:109)
at org.mockito.internal.stubbing.answers.CallsRealMethods.answer(CallsRealMethods.java:41)
at org.mockito.internal.stubbing.StubbedInvocationMatcher.answer(StubbedInvocationMatcher.java:34)
at org.mockito.internal.handler.MockHandlerImpl.handle(MockHandlerImpl.java:91)
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 ChildCls_Proxy.forParentMock(ChildCls_Proxy.generated)
at com.yunos.tv.shake.biz.DiTingMessageProviderTest.setUp(childClsTest.java:33)
at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:203)
at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:177)
at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:554)
at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1727)

java.lang.AbstractMethodError: abstract method not implemented

at org.mockito.internal.invocation.AbstractAwareMethod.isAbstract(Native Method)

at org.mockito.internal.invocation.InvocationImpl.callRealMethod(InvocationImpl.java:109)

at org.mockito.internal.stubbing.answers.CallsRealMethods.answer(CallsRealMethods.java:41)

at org.mockito.internal.stubbing.StubbedInvocationMatcher.answer(StubbedInvocationMatcher.java:34)

at org.mockito.internal.handler.MockHandlerImpl.handle(MockHandlerImpl.java:91)

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 ChildCls_Proxy.forParentMock(ChildCls_Proxy.generated)

at com.yunos.tv.shake.biz.DiTingMessageProviderTest.setUp(childClsTest.java:33)

at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:203)

at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:177)

at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:554)

at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1727)

父类代码如下:

abstract public class ParentCls {
    abstract public void forChildMock();
}

abstract public class ParentCls {

abstract public void forChildMock();

}

子类代码如下：

public class ChildCls extends ParentCls{

    @Override
    public void forChildMock() {

    }
}

public class ChildCls extends ParentCls{

@Override

public void forChildMock() {

}

测试代码如下：

public class childClsTest extends AndroidTestCase {

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        /*解决BUG dexcache == null (and no default could be found; consider setting the 'dexmaker.dexcache' system pr*/
        System.setProperty(
                "dexmaker.dexcache",
                getContext().getCacheDir().getPath());
        ChildCls childCls = Mockito.mock(ChildCls.class);
        Mockito.doCallRealMethod().when(childCls).forParentMock();
        childCls.forParentMock();
    }
}

public class childClsTest extends AndroidTestCase {

@Override

protected void setUp() throws Exception {

super.setUp();

/*解决BUG dexcache == null (and no default could be found; consider setting the 'dexmaker.dexcache' system pr*/

System.setProperty(

"dexmaker.dexcache",

getContext().getCacheDir().getPath());

ChildCls childCls = Mockito.mock(ChildCls.class);

Mockito.doCallRealMethod().when(childCls).forParentMock();

childCls.forParentMock();

}

在项目的build.gradle中的声明如下：

//for mockito
androidTestCompile 'org.mockito:mockito-core:1.10.19'
androidTestCompile 'com.google.dexmaker:dexmaker:1.2'
androidTestCompile 'com.google.dexmaker:dexmaker-mockito:1.2'

//for mockito

androidTestCompile 'org.mockito:mockito-core:1.10.19'

androidTestCompile 'com.google.dexmaker:dexmaker:1.2'

androidTestCompile 'com.google.dexmaker:dexmaker-mockito:1.2'

这个问题只在Dalvik虚拟机下面发生异常，相同的代码在ART下面是完全正常的。
导致问题发生的原因是Google提供的dexmaker库存在BUG导致的，而这个库，从Maven Center上看，自从2012年开始就没有提供过任何的更新了。
解决方法是不使用Google提供的dexmaker，而是使用com.crittercism.dexmaker修正过这个BUG的版本。

//for mockito
androidTestCompile 'org.mockito:mockito-core:1.10.19'
androidTestCompile 'com.crittercism.dexmaker:dexmaker:1.4'
androidTestCompile "com.crittercism.dexmaker:dexmaker-dx:1.4"
androidTestCompile 'com.crittercism.dexmaker:dexmaker-mockito:1.4'

//for mockito

androidTestCompile 'org.mockito:mockito-core:1.10.19'

androidTestCompile 'com.crittercism.dexmaker:dexmaker:1.4'

androidTestCompile "com.crittercism.dexmaker:dexmaker-dx:1.4"

androidTestCompile 'com.crittercism.dexmaker:dexmaker-mockito:1.4'

com.crittercism.dexmaker项目的GitHub地址是https://github.com/crittercism/dexmaker

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Android真机使用Mockito-1.10.19+Dexmaker-1.2在Mock继承抽象父类的子类时报告错误“java.lang.AbstractMethodError: abstract method not implemented”

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默默

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发布者

默默

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