powermock跳过某方法_PowerMock：模拟静态方法（+在某些特定方法中返回原始值）...

I use PowerMock 1.4.7 and JUnit 4.8.2

I need to mock only some static methods and I want others (from the

same class) just to return original value.

When I mock with mockStatic and don't call when().doReturn() all

static methods return their defaults - like null when returning Object

or false when returning boolean...etc. So I try to use

thenCallRealMethod explicitly on each static method to return

default implementation (means no mocking/ no fakes) but I don't know

how to call it on every possible arguments variations (= I want for every possible input call original method). I only know how to mock concrete argument variation.

解决方案

You can use a spy on your static class and mock only specific methods:

@RunWith(PowerMockRunner.class)

@PrepareForTest(MyStaticTest.MyStaticClass.class)

public class MyStaticTest {

public static class MyStaticClass {

public static String getA(String a) {

return a;

}

public static String getB(String b) {

return b;

}

}

@Test

public void should_partial_mock_static_class() throws Exception {

//given

PowerMockito.spy(MyStaticClass.class);

given(MyStaticClass.getB(Mockito.anyString())).willReturn("B");

//then

assertEquals("A", MyStaticClass.getA("A"));

assertEquals("B", MyStaticClass.getA("B"));

assertEquals("C", MyStaticClass.getA("C"));

assertEquals("B", MyStaticClass.getB("A"));

assertEquals("B", MyStaticClass.getB("B"));

assertEquals("B", MyStaticClass.getB("C"));

}

}