test/jalview/gui/PaintRefresherTest.java

   1 package jalview.gui;
   2
   3 import static org.junit.Assert.assertEquals;
   4 import static org.junit.Assert.assertSame;
   5 import static org.junit.Assert.assertTrue;
   6 import jalview.datamodel.Alignment;
   7 import jalview.datamodel.Sequence;
   8 import jalview.datamodel.SequenceI;
   9 import jalview.viewmodel.AlignmentViewport;
  10
  11 import java.awt.Component;
  12 import java.util.List;
  13 import java.util.Map;
  14
  15 import javax.swing.JPanel;
  16
  17 import org.junit.After;
  18 import org.junit.Before;
  19 import org.junit.Test;
  20
  21 public class PaintRefresherTest
  22 {
  23   // TODO would prefer PaintRefresher to be a single rather than static
  24   @Before
  25   public void setUp()
  26   {
  27     PaintRefresher.components.clear();
  28   }
  29
  30   @After
  31   public void tearDown()
  32   {
  33     PaintRefresher.components.clear();
  34   }
  35
  36   @Test
  37   public void testRegister()
  38   {
  39     JPanel jp = new JPanel();
  40     JPanel jp2 = new JPanel();
  41     JPanel jp3 = new JPanel();
  42     JPanel jp4 = new JPanel();
  43     PaintRefresher.Register(jp, "22");
  44     PaintRefresher.Register(jp, "22");
  45     PaintRefresher.Register(jp2, "22");
  46     PaintRefresher.Register(jp3, "33");
  47     PaintRefresher.Register(jp3, "44");
  48     PaintRefresher.Register(jp4, "44");
  49
  50     Map<String, List<Component>> registered = PaintRefresher.components;
  51     assertEquals(3, registered.size());
  52     assertEquals(2, registered.get("22").size());
  53     assertEquals(1, registered.get("33").size());
  54     assertEquals(2, registered.get("44").size());
  55     assertTrue(registered.get("22").contains(jp));
  56     assertTrue(registered.get("22").contains(jp2));
  57     assertTrue(registered.get("33").contains(jp3));
  58     assertTrue(registered.get("44").contains(jp3));
  59     assertTrue(registered.get("44").contains(jp4));
  60   }
  61
  62   @Test
  63   public void testRemoveComponent()
  64   {
  65     Map<String, List<Component>> registered = PaintRefresher.components;
  66
  67     // no error with an empty PaintRefresher
  68     JPanel jp = new JPanel();
  69     JPanel jp2 = new JPanel();
  70     PaintRefresher.RemoveComponent(jp);
  71     assertTrue(registered.isEmpty());
  72
  73     /*
  74      * Add then remove one item
  75      */
  76     PaintRefresher.Register(jp, "11");
  77     PaintRefresher.RemoveComponent(jp);
  78     assertTrue(registered.isEmpty());
  79
  80     /*
  81      * Add one item under two ids, then remove it. It is removed from both ids,
  82      * and the now empty id is removed.
  83      */
  84     PaintRefresher.Register(jp, "11");
  85     PaintRefresher.Register(jp, "22");
  86     PaintRefresher.Register(jp2, "22");
  87     PaintRefresher.RemoveComponent(jp);
  88     // "11" is removed as now empty, only 22/jp2 left
  89     assertEquals(1, registered.size());
  90     assertEquals(1, registered.get("22").size());
  91     assertTrue(registered.get("22").contains(jp2));
  92   }
  93
  94   @Test
  95   public void testGetAssociatedPanels()
  96   {
  97     SequenceI [] seqs = new SequenceI[]{new Sequence("", "ABC")};
  98     Alignment al = new Alignment(seqs);
  99
 100     /*
 101      * AlignFrame constructor has side-effects: AlignmentPanel is constructed,
 102      * and SeqCanvas, IdPanel, AlignmentPanel are all registered under the
 103      * sequence set id of the viewport.
 104      */
 105     AlignmentViewport av = new AlignViewport(al);
 106     AlignFrame af = new AlignFrame(al, 4, 1);
 107     AlignmentPanel ap1 = af.alignPanel;
 108     AlignmentPanel[] panels = PaintRefresher.getAssociatedPanels(av
 109             .getSequenceSetId());
 110     assertEquals(1, panels.length);
 111     assertSame(ap1, panels[0]);
 112
 113     panels = PaintRefresher.getAssociatedPanels(av.getSequenceSetId() + 1);
 114     assertEquals(0, panels.length);
 115   }
 116 }