Re: [powermock] How do I use PowerMockito to mock a final class

[Johan Haleby]

You need to prepare the class for test using the @PrepareForTest annotation. See documentation.

/Johan

On Fri, Jul 27, 2012 at 1:24 PM, DK <desmond...@gmail.com> wrote:

I've tried the following but I cannot mock a final class

MyFinalClass mock = PowerMockito.mockStatic( MyFinalClass.class);

PowerMockito.when(mock.hasToken()).thenReturn(false);

java.lang.IllegalArgumentException: Cannot subclass final class class MyFinalClass...

at org.mockito.cglib.proxy.Enhancer.generateClass(Enhancer.java:447)

at org.mockito.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25)

at org.mockito.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:217)

at org.mockito.cglib.proxy.Enhancer.createHelper(Enhancer.java:378)

at org.mockito.cglib.proxy.Enhancer.createClass(Enhancer.java:318)

at org.mockito.internal.creation.jmock.ClassImposterizer.createProxyClass(ClassImposterizer.java:93)

at org.mockito.internal.creation.jmock.ClassImposterizer.imposterise(ClassImposterizer.java:50)

at org.powermock.api.mockito.internal.mockcreation.MockCreator.createMethodInvocationControl(MockCreator.java:100)

at org.powermock.api.mockito.internal.mockcreation.MockCreator.mock(MockCreator.java:58)

at org.powermock.api.mockito.PowerMockito.mock(PowerMockito.java:138)

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[Brice Dutheil]

Hi,

Did you used the PowerMock runner and added the annotation on the test ?

@PrepareForTest(MyFinalClass.class)

Cheers,

-- Brice