From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Tue, 4 Jul 2017 15:20:03 +0000 (+0100)
Subject: JAL-147 unit tests added, unused setEndRes removed
X-Git-Tag: Release_2_10_3b1~132^2~50
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=4eac8fc13cf64f8d43ac807d10aff15aeafd355c;p=jalview.git

JAL-147 unit tests added, unused setEndRes removed
---

diff --git a/src/jalview/viewmodel/ViewportRanges.java b/src/jalview/viewmodel/ViewportRanges.java
index abbc24c..36ed984 100644
--- a/src/jalview/viewmodel/ViewportRanges.java
+++ b/src/jalview/viewmodel/ViewportRanges.java
@@ -135,9 +135,10 @@ public class ViewportRanges extends ViewportProperties
     /*
      * if not wrapped, don't leave white space at the right margin
      */
-    if (!wrappedMode && (start > getVisibleAlignmentWidth() - 1))
+    int lastColumn = getVisibleAlignmentWidth() - 1;
+    if (!wrappedMode && (start > lastColumn))
     {
-      startRes = Math.max(getVisibleAlignmentWidth() - 1, 0);
+      startRes = Math.max(lastColumn, 0);
     }
     else if (start < 0)
     {
@@ -153,9 +154,9 @@ public class ViewportRanges extends ViewportProperties
     {
       endRes = 0;
     }
-    else if (!wrappedMode && (end > getVisibleAlignmentWidth() - 1))
+    else if (!wrappedMode && (end > lastColumn))
     {
-      endRes = Math.max(getVisibleAlignmentWidth() - 1, 0);
+      endRes = Math.max(lastColumn, 0);
     }
     else
     {
@@ -172,30 +173,6 @@ public class ViewportRanges extends ViewportProperties
   }
 
   /**
-   * Set last residue visible in the viewport. Fires a property change event.
-   * 
-   * @param res
-   *          residue position
-   */
-  public void setEndRes(int res)
-  {
-    int startres = res;
-    int width = getViewportWidth();
-
-    /*
-     * if not wrapped, don't leave white space at the right margin
-     */
-    if (!wrappedMode)
-    {
-      if (startres + width - 1 > getVisibleAlignmentWidth() - 1)
-      {
-        startres = getVisibleAlignmentWidth() - width;
-      }
-    }
-    setStartEndRes(startres - width + 1, startres);
-  }
-
-  /**
    * Set the first sequence visible in the viewport, maintaining the height. If
    * the viewport would extend past the last sequence, sets the viewport so it
    * sits at the bottom of the alignment. Fires a property change event.
diff --git a/test/jalview/viewmodel/ViewportRangesTest.java b/test/jalview/viewmodel/ViewportRangesTest.java
index 4c93d71..86f0d62 100644
--- a/test/jalview/viewmodel/ViewportRangesTest.java
+++ b/test/jalview/viewmodel/ViewportRangesTest.java
@@ -14,6 +14,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
+import org.testng.annotations.BeforeClass;
 import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.Test;
 
@@ -25,6 +26,14 @@ public class ViewportRangesTest {
 
   AlignmentI smallAl = gen.generate(7, 2, 2, 5, 5);
 
+  @BeforeClass(alwaysRun = true)
+  public void setUp()
+  {
+    gen = new AlignmentGenerator(false);
+    al = gen.generate(20, 30, 1, 5, 5);
+    smallAl = gen.generate(7, 2, 2, 5, 5);
+  }
+
   @BeforeMethod(alwaysRun = true)
   public void cleanUp()
   {
@@ -65,17 +74,6 @@ public class ViewportRangesTest {
   }
 
   @Test(groups = { "Functional" })
-  public void testSetEndRes()
-  {
-    ViewportRanges vr = new ViewportRanges(al);
-    vr.setEndRes(-1);
-    assertEquals(vr.getEndRes(), 0);
-
-    vr.setEndRes(al.getWidth() - 1);
-    assertEquals(vr.getEndRes(), al.getWidth() - 1);
-  }
-
-  @Test(groups = { "Functional" })
   public void testSetEndSeq()
   {
     ViewportRanges vr = new ViewportRanges(al);
@@ -85,7 +83,8 @@ public class ViewportRangesTest {
     vr.setEndSeq(al.getHeight());
     assertEquals(vr.getEndSeq(), al.getHeight() - 1);
 
-    vr.setEndRes(al.getHeight() - 1);
+    // vr.setEndRes(al.getHeight() - 1);
+    vr.setEndSeq(al.getHeight() - 1);
     assertEquals(vr.getEndSeq(), al.getHeight() - 1);
   }
 
@@ -401,15 +400,6 @@ public class ViewportRangesTest {
     assertTrue(l.verify(0, emptylist));
     l.reset();
 
-    vr.setEndRes(10);
-    assertTrue(l.verify(1, Arrays.asList("startres")));
-    l.reset();
-
-    // no event fired for same value
-    vr.setEndRes(10);
-    assertTrue(l.verify(0, emptylist));
-    l.reset();
-
     vr.setStartSeq(4);
     assertTrue(l.verify(1, Arrays.asList("startseq")));
     l.reset();
@@ -556,6 +546,159 @@ public class ViewportRangesTest {
       assertEquals(2, vr.getWrappedScrollPosition(i), "For " + i);
     }
   }
+
+  @Test(groups = { "Functional" })
+  public void testPageUpDownWrapped()
+  {
+    /*
+     * 15 sequences, 110 residues wide (+gaps)
+     */
+    AlignmentI al2 = gen.generate(110, 15, 1, 5, 5);
+
+    ViewportRanges vr = new ViewportRanges(al2);
+    vr.setWrappedMode(true);
+
+    // first row
+    vr.setViewportStartAndWidth(0, 40);
+    int width = vr.getViewportWidth();
+    assertEquals(width, 40);
+    assertEquals(vr.getStartRes(), 0);
+    assertEquals(vr.getEndRes(), 39);
+    assertEquals(vr.getStartSeq(), 0);
+    assertEquals(vr.getEndSeq(), 14);
+
+    // second row
+    vr.pageDown();
+    assertEquals(vr.getStartRes(), 40);
+    assertEquals(vr.getEndRes(), 79);
+    assertEquals(vr.getStartSeq(), 0);
+    assertEquals(vr.getEndSeq(), 14);
+
+    // third and last row
+    // note endRes is nominal (>width) to preserve viewport width
+    vr.pageDown();
+    assertEquals(vr.getStartRes(), 80);
+    assertEquals(vr.getEndRes(), 119);
+    assertEquals(vr.getStartSeq(), 0);
+    assertEquals(vr.getEndSeq(), 14);
+
+    // another pageDown should do nothing
+    vr.pageDown();
+    assertEquals(vr.getStartRes(), 80);
+    assertEquals(vr.getEndRes(), 119);
+    assertEquals(vr.getStartSeq(), 0);
+    assertEquals(vr.getEndSeq(), 14);
+
+    // back to second row
+    vr.pageUp();
+    assertEquals(vr.getStartRes(), 40);
+    assertEquals(vr.getEndRes(), 79);
+    assertEquals(vr.getStartSeq(), 0);
+    assertEquals(vr.getEndSeq(), 14);
+
+    // back to first row
+    vr.pageUp();
+    assertEquals(vr.getStartRes(), 0);
+    assertEquals(vr.getEndRes(), 39);
+    assertEquals(vr.getStartSeq(), 0);
+    assertEquals(vr.getEndSeq(), 14);
+
+    // another pageUp should do nothing
+    vr.pageUp();
+    assertEquals(vr.getStartRes(), 0);
+    assertEquals(vr.getEndRes(), 39);
+    assertEquals(vr.getStartSeq(), 0);
+    assertEquals(vr.getEndSeq(), 14);
+
+    /*
+     * simulate scroll right a few positions
+     */
+    vr.setStartRes(5);
+    assertEquals(vr.getStartRes(), 5);
+    assertEquals(vr.getEndRes(), 5 + width - 1); // 44
+
+    vr.pageDown(); // 5-44 shifts to 45-84
+    assertEquals(vr.getStartRes(), 45);
+    assertEquals(vr.getEndRes(), 84);
+
+    vr.pageDown(); // 45-84 shifts to 85-124
+    assertEquals(vr.getStartRes(), 85);
+    assertEquals(vr.getEndRes(), 124);
+
+    vr.pageDown(); // no change - at end already
+    assertEquals(vr.getStartRes(), 85);
+    assertEquals(vr.getEndRes(), 124);
+
+    vr.pageUp(); // back we go
+    assertEquals(vr.getStartRes(), 45);
+    assertEquals(vr.getEndRes(), 84);
+
+    vr.pageUp();
+    assertEquals(vr.getStartRes(), 5);
+    assertEquals(vr.getEndRes(), 44);
+
+    vr.pageUp(); // back to the start
+    assertEquals(vr.getStartRes(), 0);
+    assertEquals(vr.getEndRes(), 39);
+  }
+
+  @Test(groups = { "Functional" })
+  public void testSetStartEndResWrapped()
+  {
+    ViewportRanges vr = new ViewportRanges(al);
+    vr.setWrappedMode(true);
+    vr.setStartEndRes(-1, -1);
+    assertEquals(vr.getStartRes(), 0);
+    assertEquals(vr.getEndRes(), 0);
+  
+    vr.setStartEndRes(5, 19);
+    assertEquals(vr.getStartRes(), 5);
+    assertEquals(vr.getEndRes(), 19);
+  
+    // bounds are not constrained to alignment width
+    // when in wrapped mode
+    vr.setStartEndRes(88, 888);
+    assertEquals(vr.getStartRes(), 88);
+    assertEquals(vr.getEndRes(), 888);
+  
+    ViewportRanges vrsmall = new ViewportRanges(smallAl);
+    vrsmall.setWrappedMode(true);
+    vrsmall.setStartEndRes(88, 888);
+    assertEquals(vrsmall.getStartRes(), 88);
+    assertEquals(vrsmall.getEndRes(), 888);
+  
+    // make visible alignment width = 0
+    smallAl.getHiddenColumns().hideColumns(0, 6);
+    vrsmall.setStartEndRes(0, 4);
+    assertEquals(vrsmall.getStartRes(), 0);
+    assertEquals(vrsmall.getEndRes(), 4);
+  }
+
+  @Test(groups = { "Functional" })
+  public void testSetViewportStartAndWidthWrapped()
+  {
+    ViewportRanges vr = new ViewportRanges(al);
+    vr.setWrappedMode(true);
+    vr.setViewportStartAndWidth(2, 6);
+    assertEquals(vr.getViewportWidth(), 6);
+    assertEquals(vr.getStartRes(), 2);
+  
+    // reset -ve values of start to 0
+    vr.setViewportStartAndWidth(-1, 7);
+    assertEquals(vr.getViewportWidth(), 7);
+    assertEquals(vr.getStartRes(), 0);
+  
+    // out of bounds values are not forced to within bounds
+    vr.setViewportStartAndWidth(35, 5);
+    assertEquals(vr.getViewportWidth(), 5);
+    assertEquals(vr.getStartRes(), 35);
+  
+    // small alignment doesn't get bounds reset
+    ViewportRanges vrsmall = new ViewportRanges(smallAl);
+    vrsmall.setViewportStartAndWidth(0, 63);
+    assertEquals(vrsmall.getViewportWidth(), 7);
+    assertEquals(vrsmall.getStartRes(), 0);
+  }
 }
 
 // mock listener for property change events