package org.apidesign.anagram.gui;

 import org.apidesign.anagram.api.Scrambler;

 import org.apidesign.anagram.api.WordLibrary;

 import static org.junit.Assert.*;

 import org.junit.Test;

 import org.netbeans.junit.MockServices;

 public abstract class AnagramsTestBase {

     protected abstract Anagrams create();

     @Test public void testInjectionOfServices() throws Exception {

         Anagrams ui = create();

         assertNull("No scrambler injected yet", ui.getScrambler());

         assertNull("No scrambler injected yet", ui.getWordLibrary());

         MockServices.setServices(

             ReversingMockScrambler.class, SingleMockLibrary.class

         );

         Scrambler s = ui.getScrambler();

         assertNotNull("Now we have scrambler", s);

         assertEquals(

             "It is the mock one", ReversingMockScrambler.class, s.getClass()

         );

         WordLibrary l = ui.getWordLibrary();

         assertNotNull("Now we have library", l);

         assertEquals(

             "It is the mock one", SingleMockLibrary.class, l.getClass()

         );

     }

     public static final class ReversingMockScrambler {

     }

     public static final class SingleMockLibrary {

     }

 }