Trying to mock method that returns array

[KARR, DAVID]

I'm trying to mock a method that returns an array. I discovered http://code.google.com/p/mockito/issues/detail?id=285 , which gives some clues about how to do this, but I can't connect the dots. This seems to be the solution for mocking a method that returns a collection, whether the data you want to simulate is an array or collection. That's not quite what I need. I'm currently using PowerMockito for these specific tests, but I don't think that helps me here.

[Adrian Elsener]

I think this shouldn't be as magic as you think.

I just did a small sample which works imho:

 

public class MockitoSamples {
   public static void main(String[] args) {
      ToBeMocked mock = Mockito.mock(ToBeMocked.class);
      when(mock.foo()).thenReturn(new String[] { "1", "2" }, new String[] { "9" });

      for (String string : mock.foo()) {
         System.out.println(string);
      }

      System.out.println(mock.foo());
      for (String string : mock.foo()) {
         System.out.println(string);
      }
      System.out.println(mock.foo());
   }

   public interface ToBeMocked {
      public String[] foo();
   }
}

 

Cheers Adrian

 

On 21 January 2013 21:51, KARR, DAVID <dk0...@att.com> wrote:

I'm trying to mock a method that returns an array.  I discovered http://code.google.com/p/mockito/issues/detail?id=285 , which gives some clues about how to do this, but I can't connect the dots.  This seems to be the solution for mocking a method that returns a collection, whether the data you want to simulate is an array or collection.  That's not quite what I need.  I'm currently using PowerMockito for these specific tests, but I don't think that helps me here.

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[KARR, DAVID]

I must be missing something.  The “foo()” method returns “String[]”, but your “when” clause is having it return two String arrays.  Does it concatenate them?  How do I make it return a single array of String?

[KARR, DAVID]

> -----Original Message-----
> From: moc...@googlegroups.com [mailto:moc...@googlegroups.com] On Behalf Of

Never mind, I think I got it working. I wasn't reading the error message correctly.

[Adrian Elsener]

It's just to show how to give two different return values.
If you just need one array, just stub one ;)