Singh :
I'm writing a test case to test a component that invokes a static method accepting 5 arguments. I want to know how I can do that.
Earlier I have been successful in mocking static method with 0 and 1 arguments. However when I mock a static method with more than 1 argument, it returns null. Following is a simplified version of what I'm trying to do. The static method has 2 arguments.
public interface VO {
}
public class A implements VO {
private int value = 5;
public int getValue() {
return value;
}
public void setValue(int value) {
this.value = value;
}
}
public class Factory {
public static VO getObj(String a, String b) {
return new A();
}
}
@RunWith(PowerMockRunner.class)
@PrepareForTest({com.csc.fsg.nba.vo.Factory.class})
public class APITest {
@BeforeClass
public static void runOnceBeforeClass() throws Exception {
System.out.println("Executing runOnceBeforeClass()");
A a = new A();
a.setValue(3);
PowerMockito.mockStatic(Factory.class);
Mockito.when(Factory.getObj(Mockito.any(String.class), Mockito.any(String.class))).thenReturn(a);
}
@Test
public void testA() throws Exception {
VO vo = Factory.getObj("a", null);
System.out.println(((A)vo).getValue());
}
}
I'm expecting that sysout should print 3, however vo is null.
Nkosi :
In this particular case the any(String.class) fails to match the null passed when exercising the test
//...
VO vo = Factory.getObj("a", null);
//...
Use anyString()
//...
when(Factory.getObj(anyString(), anyString())).thenReturn(a);
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