QLC-2.3) Limitations of Stubs tests

   @Test
   public  void find_heighest_score_with_array_of_many_return_array_of_many_using_stub()
   {
      //[{“Physics”, { 56, 67, 45, 89} }, {“Art”, { 87, 66, 78} }, {“Comp Sci”, { 45, 88, 97, 56} }]
      // Arrange
      int[] physics_scores = { 56, 67, 45, 89 };
      String physics = "Physics";
      int[] art_scores = { 87, 66, 78 };
      String art = "Art";
      int[] compSci_scores = { 45, 88, 97, 56 };
      String compSci = "Comp Sci";
      ArrayList<TopicScores> topicScores = new ArrayList<>();
      topicScores.add(new TopicScores(physics, physics_scores));
      topicScores.add(new TopicScores(art, art_scores));
      topicScores.add(new TopicScores(compSci, compSci_scores));
         // Use a stub version of HighestNumberFinder
      com.s2s.demos.topicmanager.HighestNumberFinder hnf = 
                          new com.s2s.demos.topicmanager.HighestNumberFinder();
      TopicManager cut = new TopicManager(hnf);
      ArrayList<TopicTopScore> expectedResult = new ArrayList<>();
      expectedResult.add( new TopicTopScore(physics, 89)); 
      expectedResult.add( new TopicTopScore(art, 87)); 
      expectedResult.add( new TopicTopScore(compSci, 97)); 
      
      // Act
      ArrayList<TopicTopScore> result = cut.findTopicHighScores(topicScores);

      // Assert
      assertEquals(expectedResult.get(0).getTopicName(), result.get(0).getTopicName());
      assertEquals(expectedResult.get(0).getTopScore(), result.get(0).getTopScore() );
      assertEquals(expectedResult.get(1).getTopicName(), result.get(1).getTopicName());
      assertEquals(expectedResult.get(1).getTopScore(), result.get(1).getTopScore() );
      assertEquals(expectedResult.get(2).getTopicName(), result.get(2).getTopicName());
      assertEquals(expectedResult.get(2).getTopScore(), result.get(2).getTopScore() );
   }