BUG - Powermock counts more than actually call when verify

[焦晓冬]

Hi, hackers of Powermock

Is it a bug of Powermock or I'm doing sth wrong?

The following test should pass, but failed with:

trackBugPartialMockCountMore(com.xiaomi.finddevice.test.testcase.PowerMockBug)
org.mockito.exceptions.verification.TooManyActualInvocations: 
classToMock.foo();
Wanted 1 time:
-> at com.xiaomi.finddevice.test.testcase.PowerMockBug.trackBugPartialMockCountMore(PowerMockBug.java:24)
But was 3 times. Undesired invocation:
-> at com.xiaomi.finddevice.test.testcase.PowerMockBug.trackBugPartialMockCountMore(PowerMockBug.java:22)

When I remove @PrepareForTest(ClassToMock.class), every thing goes well and the test get passed.

import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;

import static org.mockito.Mockito.verify;
import static org.powermock.api.mockito.PowerMockito.mock;
import static org.powermock.api.mockito.PowerMockito.when;

@RunWith(PowerMockRunner.class)
@PrepareForTest(ClassToMock.class)
public class PowerMockBug {

    @Test
    public void trackBugPartialMockCountMore() {
        ClassToMock mock = mock(ClassToMock.class);
        when(mock.foo()).thenCallRealMethod();

        mock.foo();

        verify(mock).foo();
    }

}


class ClassToMock {
    public int foo() { return 0x10; }
}

[Johan Haleby]

Hi, 

Try:

doCallRealMethod().when(mock).foo();

Instead of:

 when(mock.foo()).thenCallRealMethod();

Regards,

/Johan

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[焦晓冬]

Using PowerMock.doCallRealMethod(mock).foo() gives exactly the same verify failure.

Wanted 1 time:

-> at com.xiaomi.finddevice.test.testcase.PowerMockBug.trackBugPartialMockCountMore(PowerMockBug.java:27)

But was 3 times. Undesired invocation:

-> at com.xiaomi.finddevice.test.testcase.PowerMockBug.trackBugPartialMockCountMore(PowerMockBug.java:25)

 

在 2015年10月11日星期日 UTC+8下午1:52:33，Johan Haleby写道：

[焦晓冬]

Sorry,

I mean,

Using PowerMock.doCallRealMethod().when(mock).foo() gives exactly the same verify failure.

VERSION: powermock-mockito-junit-1.6.3

在 2015年10月12日星期一 UTC+8下午2:19:31，焦晓冬写道：

[Johan Haleby]

Hmm sounds like a bug. Would be great if you could help out and provide a pull request.