JAL-2154 refactor CrossRef UI code to its own class
[jalview.git] / test / jalview / io / CrossRef2xmlTests.java
index 36ea69e..dd6aac6 100644 (file)
  */
 package jalview.io;
 
-import static org.testng.AssertJUnit.assertEquals;
-import static org.testng.AssertJUnit.assertFalse;
-import static org.testng.AssertJUnit.assertNotNull;
-import static org.testng.AssertJUnit.assertSame;
 import static org.testng.AssertJUnit.assertTrue;
 
-import jalview.api.AlignViewportI;
+import jalview.analysis.CrossRef;
 import jalview.api.AlignmentViewPanel;
-import jalview.api.ViewStyleI;
-import jalview.datamodel.AlignmentAnnotation;
 import jalview.datamodel.AlignmentI;
-import jalview.datamodel.HiddenSequences;
-import jalview.datamodel.SequenceCollectionI;
-import jalview.datamodel.SequenceGroup;
 import jalview.datamodel.SequenceI;
 import jalview.gui.AlignFrame;
+import jalview.gui.CrossRefAction;
 import jalview.gui.Desktop;
-import jalview.gui.Jalview2XML;
-import jalview.schemes.AnnotationColourGradient;
-import jalview.schemes.ColourSchemeI;
-import jalview.structure.StructureImportSettings;
-import jalview.viewmodel.AlignmentViewport;
 
-import java.io.File;
-import java.util.ArrayList;
-import java.util.HashMap;
+import java.util.IdentityHashMap;
 import java.util.List;
-import java.util.Map;
 
 import org.testng.Assert;
-import org.testng.AssertJUnit;
 import org.testng.annotations.Test;
 
 @Test(singleThreaded = true)
 public class CrossRef2xmlTests extends Jalview2xmlBase
 {
 
-  @Test(groups = { "Functional" })
-  public void testRNAStructureRecovery() throws Exception
-  {
-    String inFile = "examples/RF00031_folded.stk";
-    String tfile = File.createTempFile("JalviewTest", ".jvp")
-            .getAbsolutePath();
-    AlignFrame af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(
-            inFile, FormatAdapter.FILE);
-    assertTrue("Didn't read input file " + inFile, af != null);
-    int olddsann = countDsAnn(af.getViewport());
-    assertTrue("Didn't find any dataset annotations", olddsann > 0);
-    af.rnahelicesColour_actionPerformed(null);
-    assertTrue(
-            "Couldn't apply RNA helices colourscheme",
-            af.getViewport().getGlobalColourScheme() instanceof jalview.schemes.RNAHelicesColour);
-    assertTrue("Failed to store as a project.",
-            af.saveAlignment(tfile, "Jalview"));
-    af.closeMenuItem_actionPerformed(true);
-    af = null;
-    af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(tfile,
-            FormatAdapter.FILE);
-    assertTrue("Failed to import new project", af != null);
-    int newdsann = countDsAnn(af.getViewport());
-    assertTrue(
-            "Differing numbers of dataset sequence annotation\nOriginally "
-                    + olddsann + " and now " + newdsann,
-            olddsann == newdsann);
-    System.out
-            .println("Read in same number of annotations as originally present ("
-                    + olddsann + ")");
-    assertTrue(
-            "RNA helices colourscheme was not applied on import.",
-            af.getViewport().getGlobalColourScheme() instanceof jalview.schemes.RNAHelicesColour);
-  }
-
-  @Test(groups = { "Functional" })
-  public void testTCoffeeScores() throws Exception
-  {
-    String inFile = "examples/uniref50.fa", inAnnot = "examples/uniref50.score_ascii";
-    String tfile = File.createTempFile("JalviewTest", ".jvp")
-            .getAbsolutePath();
-    AlignFrame af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(
-            inFile, FormatAdapter.FILE);
-    assertTrue("Didn't read input file " + inFile, af != null);
-    af.loadJalviewDataFile(inAnnot, FormatAdapter.FILE, null, null);
-    assertTrue(
-            "Didn't set T-coffee colourscheme",
-            af.getViewport().getGlobalColourScheme().getClass()
-                    .equals(jalview.schemes.TCoffeeColourScheme.class));
-    assertTrue(
-            "Recognise T-Coffee score from string",
-            jalview.schemes.ColourSchemeProperty.getColour(af.getViewport()
-                    .getAlignment(),
-                    jalview.schemes.ColourSchemeProperty.getColourName(af
-                            .getViewport().getGlobalColourScheme())) != null);
-
-    assertTrue("Failed to store as a project.",
-            af.saveAlignment(tfile, "Jalview"));
-    af.closeMenuItem_actionPerformed(true);
-    af = null;
-    af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(tfile,
-            FormatAdapter.FILE);
-    assertTrue("Failed to import new project", af != null);
-    assertTrue(
-            "Didn't set T-coffee colourscheme for imported project.",
-            af.getViewport().getGlobalColourScheme().getClass()
-                    .equals(jalview.schemes.TCoffeeColourScheme.class));
-    System.out
-            .println("T-Coffee score shading successfully recovered from project.");
-  }
-
-  @Test(groups = { "Functional" })
-  public void testColourByAnnotScores() throws Exception
-  {
-    String inFile = "examples/uniref50.fa", inAnnot = "examples/testdata/uniref50_iupred.jva";
-    String tfile = File.createTempFile("JalviewTest", ".jvp")
-            .getAbsolutePath();
-    AlignFrame af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(
-            inFile, FormatAdapter.FILE);
-    assertTrue("Didn't read input file " + inFile, af != null);
-    af.loadJalviewDataFile(inAnnot, FormatAdapter.FILE, null, null);
-    AlignmentAnnotation[] aa = af.getViewport().getAlignment()
-            .getSequenceAt(0).getAnnotation("IUPredWS (Short)");
-    assertTrue(
-            "Didn't find any IUPred annotation to use to shade alignment.",
-            aa != null && aa.length > 0);
-    AnnotationColourGradient cs = new jalview.schemes.AnnotationColourGradient(
-            aa[0], null, AnnotationColourGradient.ABOVE_THRESHOLD);
-    AnnotationColourGradient gcs = new jalview.schemes.AnnotationColourGradient(
-            aa[0], null, AnnotationColourGradient.BELOW_THRESHOLD);
-    cs.setSeqAssociated(true);
-    gcs.setSeqAssociated(true);
-    af.changeColour(cs);
-    SequenceGroup sg = new SequenceGroup();
-    sg.setStartRes(57);
-    sg.setEndRes(92);
-    sg.cs = gcs;
-    af.getViewport().getAlignment().addGroup(sg);
-    sg.addSequence(af.getViewport().getAlignment().getSequenceAt(1), false);
-    sg.addSequence(af.getViewport().getAlignment().getSequenceAt(2), true);
-    af.alignPanel.alignmentChanged();
-    assertTrue("Failed to store as a project.",
-            af.saveAlignment(tfile, "Jalview"));
-    af.closeMenuItem_actionPerformed(true);
-    af = null;
-    af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(tfile,
-            FormatAdapter.FILE);
-    assertTrue("Failed to import new project", af != null);
-
-    // check for group and alignment colourschemes
-
-    ColourSchemeI _rcs = af.getViewport().getGlobalColourScheme();
-    ColourSchemeI _rgcs = af.getViewport().getAlignment().getGroups()
-            .get(0).cs;
-    assertTrue("Didn't recover global colourscheme", _rcs != null);
-    assertTrue("Didn't recover annotation colour global scheme",
-            _rcs instanceof AnnotationColourGradient);
-    AnnotationColourGradient __rcs = (AnnotationColourGradient) _rcs;
-    assertTrue("Annotation colourscheme wasn't sequence associated",
-            __rcs.isSeqAssociated());
-
-    boolean diffseqcols = false, diffgseqcols = false;
-    SequenceI[] sqs = af.getViewport().getAlignment().getSequencesArray();
-    for (int p = 0, pSize = af.getViewport().getAlignment().getWidth(); p < pSize
-            && (!diffseqcols || !diffgseqcols); p++)
-    {
-      if (_rcs.findColour(sqs[0].getCharAt(p), p, sqs[0]) != _rcs
-              .findColour(sqs[5].getCharAt(p), p, sqs[5]))
-      {
-        diffseqcols = true;
-      }
-    }
-    assertTrue("Got Different sequence colours", diffseqcols);
-    System.out
-            .println("Per sequence colourscheme (Background) successfully applied and recovered.");
-
-    assertTrue("Didn't recover group colourscheme", _rgcs != null);
-    assertTrue("Didn't recover annotation colour group colourscheme",
-            _rgcs instanceof AnnotationColourGradient);
-    __rcs = (AnnotationColourGradient) _rgcs;
-    assertTrue("Group Annotation colourscheme wasn't sequence associated",
-            __rcs.isSeqAssociated());
-
-    for (int p = 0, pSize = af.getViewport().getAlignment().getWidth(); p < pSize
-            && (!diffseqcols || !diffgseqcols); p++)
-    {
-      if (_rgcs.findColour(sqs[1].getCharAt(p), p, sqs[1]) != _rgcs
-              .findColour(sqs[2].getCharAt(p), p, sqs[2]))
-      {
-        diffgseqcols = true;
-      }
-    }
-    assertTrue("Got Different group sequence colours", diffgseqcols);
-    System.out
-            .println("Per sequence (Group) colourscheme successfully applied and recovered.");
-  }
-
-  @Test(groups = { "Functional" })
-  public void gatherViewsHere() throws Exception
-  {
-    int origCount = Desktop.getAlignFrames() == null ? 0 : Desktop
-            .getAlignFrames().length;
-    AlignFrame af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(
-            "examples/exampleFile_2_7.jar", FormatAdapter.FILE);
-    assertTrue("Didn't read in the example file correctly.", af != null);
-    assertTrue("Didn't gather the views in the example file.",
-            Desktop.getAlignFrames().length == 1 + origCount);
-
-  }
-
-  @Test(groups = { "Functional" })
-  public void viewRefPdbAnnotation() throws Exception
-  {
-    // TODO: Make this pass without setting StructureParser.JALVIEW_PARSER
-    // StructureImportSettings
-    // .setDefaultPDBFileParser(StructureParser.JALVIEW_PARSER);
-    StructureImportSettings.setProcessSecondaryStructure(true);
-    StructureImportSettings.setVisibleChainAnnotation(true);
-    AlignFrame af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(
-            "examples/exampleFile_2_7.jar", FormatAdapter.FILE);
-    assertTrue("Didn't read in the example file correctly.", af != null);
-    AlignmentViewPanel sps = null;
-    for (AlignmentViewPanel ap : af.alignPanel.alignFrame.getAlignPanels())
-    {
-      if ("Spinach Feredoxin Structure".equals(ap.getViewName()))
-      {
-        sps = ap;
-        break;
-      }
-    }
-    assertTrue("Couldn't find the structure view", sps != null);
-    SequenceI sq = sps.getAlignment().findName("1A70|");
-    AlignmentAnnotation refan = null;
-    for (AlignmentAnnotation ra : sps.getAlignment()
-            .getAlignmentAnnotation())
-    {
-      if (ra.graph != 0)
-      {
-        refan = ra;
-        break;
-      }
-    }
-    assertTrue("Annotation secondary structure not found.", refan != null);
-    assertTrue("Couldn't find 1a70 null chain", sq != null);
-    // compare the manually added temperature factor annotation
-    // to the track automatically transferred from the pdb structure on load
-    for (AlignmentAnnotation ala : sq.getDatasetSequence().getAnnotation())
-    {
-      AlignmentAnnotation alaa;
-      sq.addAlignmentAnnotation(alaa = new AlignmentAnnotation(ala));
-      alaa.adjustForAlignment();
-      if (ala.graph == refan.graph)
-      {
-        for (int p = 0; p < ala.annotations.length; p++)
-        {
-          sq.findPosition(p);
-          try
-          {
-            assertTrue(
-                    "Mismatch at alignment position " + p,
-                    (alaa.annotations[p] == null && refan.annotations[p] == null)
-                            || alaa.annotations[p].value == refan.annotations[p].value);
-          } catch (NullPointerException q)
-          {
-            Assert.fail("Mismatch of alignment annotations at position "
-                    + p + " Ref seq ann: " + refan.annotations[p]
-                    + " alignment " + alaa.annotations[p]);
-          }
-        }
-      }
-    }
-
-  }
-
-  @Test(groups = { "Functional" })
-  public void testCopyViewSettings() throws Exception
-  {
-    AlignFrame af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(
-            "examples/exampleFile_2_7.jar", FormatAdapter.FILE);
-    assertTrue("Didn't read in the example file correctly.", af != null);
-    AlignmentViewPanel sps = null, groups = null;
-    for (AlignmentViewPanel ap : af.alignPanel.alignFrame.getAlignPanels())
-    {
-      if ("Spinach Feredoxin Structure".equals(ap.getViewName()))
-      {
-        sps = ap;
-      }
-      if (ap.getViewName().contains("MAFFT"))
-      {
-        groups = ap;
-      }
-    }
-    assertTrue("Couldn't find the structure view", sps != null);
-    assertTrue("Couldn't find the MAFFT view", groups != null);
-
-    ViewStyleI structureStyle = sps.getAlignViewport().getViewStyle();
-    ViewStyleI groupStyle = groups.getAlignViewport().getViewStyle();
-    AssertJUnit.assertFalse(structureStyle.sameStyle(groupStyle));
-
-    groups.getAlignViewport().setViewStyle(structureStyle);
-    AssertJUnit.assertFalse(groupStyle.sameStyle(groups.getAlignViewport()
-            .getViewStyle()));
-    Assert.assertTrue(structureStyle.sameStyle(groups.getAlignViewport()
-            .getViewStyle()));
-
-  }
-
   /**
    * test store and recovery of expanded views
    * 
    * @throws Exception
    */
-  @Test(groups = { "Functional" }, enabled = true)
-  public void testStoreAndRecoverExpandedviews() throws Exception
-  {
-    Desktop.instance.closeAll_actionPerformed(null);
-
-    AlignFrame af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(
-            "examples/exampleFile_2_7.jar", FormatAdapter.FILE);
-    assertTrue("Didn't read in the example file correctly.", af != null);
-    Assert.assertEquals(Desktop.getAlignFrames().length, 1);
-    String afid = af.getViewport().getSequenceSetId();
-
-    // check FileLoader returned a reference to the one alignFrame that is
-    // actually on the Desktop
-    assertTrue(
-            "Jalview2XML.loadAlignFrame() didn't return correct AlignFrame reference for multiple view window",
-            af == Desktop.getAlignFrameFor(af.getViewport()));
-
-    Desktop.explodeViews(af);
-
-    int oldviews = Desktop.getAlignFrames().length;
-    Assert.assertEquals(Desktop.getAlignFrames().length,
-            Desktop.getAlignmentPanels(afid).length);
-    File tfile = File.createTempFile("testStoreAndRecoverExpanded", ".jvp");
-    try
-    {
-      new Jalview2XML(false).saveState(tfile);
-    } catch (Error e)
-    {
-      Assert.fail("Didn't save the expanded view state", e);
-    } catch (Exception e)
-    {
-      Assert.fail("Didn't save the expanded view state", e);
-    }
-    Desktop.instance.closeAll_actionPerformed(null);
-    if (Desktop.getAlignFrames() != null)
-    {
-      Assert.assertEquals(Desktop.getAlignFrames().length, 0);
-    }
-    af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(
-            tfile.getAbsolutePath(), FormatAdapter.FILE);
-    Assert.assertNotNull(af);
-    Assert.assertEquals(
-            Desktop.getAlignFrames().length,
-            Desktop.getAlignmentPanels(af.getViewport().getSequenceSetId()).length);
-    Assert.assertEquals(
-            oldviews,
-            Desktop.getAlignmentPanels(af.getViewport().getSequenceSetId()).length);
-  }
-
-  /**
-   * Test save and reload of a project with a different representative sequence
-   * in each view.
-   * 
-   * @throws Exception
-   */
-  @Test(groups = { "Functional" })
-  public void testStoreAndRecoverReferenceSeqSettings() throws Exception
-  {
-    Desktop.instance.closeAll_actionPerformed(null);
-    AlignFrame af = new FileLoader().LoadFileWaitTillLoaded(
-            "examples/exampleFile_2_7.jar", FormatAdapter.FILE);
-    assertTrue("Didn't read in the example file correctly.", af != null);
-    String afid = af.getViewport().getSequenceSetId();
-
-    // remember reference sequence for each panel
-    Map<String, SequenceI> refseqs = new HashMap<String, SequenceI>();
-
-    /*
-     * mark sequence 2, 3, 4.. in panels 1, 2, 3...
-     * as reference sequence for itself and the preceding sequence
-     */
-    int n = 1;
-    for (AlignmentViewPanel ap : Desktop.getAlignmentPanels(afid))
-    {
-      AlignViewportI av = ap.getAlignViewport();
-      AlignmentI alignment = ap.getAlignment();
-      int repIndex = n % alignment.getHeight();
-      SequenceI rep = alignment.getSequenceAt(repIndex);
-      refseqs.put(ap.getViewName(), rep);
-
-      // code from mark/unmark sequence as reference in jalview.gui.PopupMenu
-      // todo refactor this to an alignment view controller
-      av.setDisplayReferenceSeq(true);
-      av.setColourByReferenceSeq(true);
-      av.getAlignment().setSeqrep(rep);
-
-      n++;
-    }
-    File tfile = File.createTempFile("testStoreAndRecoverReferenceSeq",
-            ".jvp");
-    try
-    {
-      new Jalview2XML(false).saveState(tfile);
-    } catch (Throwable e)
-    {
-      Assert.fail("Didn't save the expanded view state", e);
-    }
-    Desktop.instance.closeAll_actionPerformed(null);
-    if (Desktop.getAlignFrames() != null)
-    {
-      Assert.assertEquals(Desktop.getAlignFrames().length, 0);
-    }
-
-    af = new FileLoader().LoadFileWaitTillLoaded(tfile.getAbsolutePath(),
-            FormatAdapter.FILE);
-    afid = af.getViewport().getSequenceSetId();
-
-    for (AlignmentViewPanel ap : Desktop.getAlignmentPanels(afid))
-    {
-      // check representative
-      AlignmentI alignment = ap.getAlignment();
-      SequenceI rep = alignment.getSeqrep();
-      Assert.assertNotNull(rep,
-              "Couldn't restore sequence representative from project");
-      // can't use a strong equals here, because by definition, the sequence IDs
-      // will be different.
-      // could set vamsas session save/restore flag to preserve IDs across
-      // load/saves.
-      Assert.assertEquals(refseqs.get(ap.getViewName()).toString(),
-              rep.toString(),
-              "Representative wasn't the same when recovered.");
-      Assert.assertTrue(ap.getAlignViewport().isDisplayReferenceSeq(),
-              "Display reference sequence view setting not set.");
-      Assert.assertTrue(ap.getAlignViewport().isColourByReferenceSeq(),
-              "Colour By Reference Seq view setting not set.");
-    }
-  }
-
-  @Test(groups = { "Functional" })
-  public void testIsVersionStringLaterThan()
-  {
-    /*
-     * No version / development / test / autobuild is leniently assumed to be
-     * compatible
-     */
-    assertTrue(Jalview2XML.isVersionStringLaterThan(null, null));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3", null));
-    assertTrue(Jalview2XML.isVersionStringLaterThan(null, "2.8.3"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan(null,
-            "Development Build"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan(null,
-            "DEVELOPMENT BUILD"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3",
-            "Development Build"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan(null, "Test"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan(null, "TEST"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3", "Test"));
-    assertTrue(Jalview2XML
-            .isVersionStringLaterThan(null, "Automated Build"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3",
-            "Automated Build"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3",
-            "AUTOMATED BUILD"));
-
-    /*
-     * same version returns true i.e. compatible
-     */
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8", "2.8"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3", "2.8.3"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3b1", "2.8.3b1"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3B1", "2.8.3b1"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3b1", "2.8.3B1"));
-
-    /*
-     * later version returns true
-     */
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3", "2.8.4"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3", "2.9"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3", "2.9.2"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8", "2.8.3"));
-    assertTrue(Jalview2XML.isVersionStringLaterThan("2.8.3", "2.8.3b1"));
-
-    /*
-     * earlier version returns false
-     */
-    assertFalse(Jalview2XML.isVersionStringLaterThan("2.8.3", "2.8"));
-    assertFalse(Jalview2XML.isVersionStringLaterThan("2.8.4", "2.8.3"));
-    assertFalse(Jalview2XML.isVersionStringLaterThan("2.8.3b1", "2.8.3"));
-    assertFalse(Jalview2XML.isVersionStringLaterThan("2.8.3", "2.8.2b1"));
-    assertFalse(Jalview2XML.isVersionStringLaterThan("2.8.0b2", "2.8.0b1"));
-  }
-
-  /**
-   * Test save and reload of a project with a different sequence group (and
-   * representative sequence) in each view.
-   * 
-   * @throws Exception
-   */
-  @Test(groups = { "Functional" })
-  public void testStoreAndRecoverGroupRepSeqs() throws Exception
+  @Test(groups = { "Operational" }, enabled = true)
+  public void testRetrieveAndShowCrossref() throws Exception
   {
-    Desktop.instance.closeAll_actionPerformed(null);
-    AlignFrame af = new FileLoader().LoadFileWaitTillLoaded(
-            "examples/uniref50.fa", FormatAdapter.FILE);
-    assertTrue("Didn't read in the example file correctly.", af != null);
-    String afid = af.getViewport().getSequenceSetId();
-    // make a second view of the alignment
-    af.newView_actionPerformed(null);
-
-    /*
-     * remember representative and hidden sequences marked 
-     * on each panel
-     */
-    Map<String, SequenceI> repSeqs = new HashMap<String, SequenceI>();
-    Map<String, List<String>> hiddenSeqNames = new HashMap<String, List<String>>();
-
-    /*
-     * mark sequence 2, 3, 4.. in panels 1, 2, 3...
-     * as reference sequence for itself and the preceding sequence
-     */
-    int n = 1;
-    for (AlignmentViewPanel ap : Desktop.getAlignmentPanels(afid))
-    {
-      AlignViewportI av = ap.getAlignViewport();
-      AlignmentI alignment = ap.getAlignment();
-      int repIndex = n % alignment.getHeight();
-      // ensure at least one preceding sequence i.e. index >= 1
-      repIndex = Math.max(repIndex, 1);
-      SequenceI repSeq = alignment.getSequenceAt(repIndex);
-      repSeqs.put(ap.getViewName(), repSeq);
-      List<String> hiddenNames = new ArrayList<String>();
-      hiddenSeqNames.put(ap.getViewName(), hiddenNames);
-
+    // for every set of db queries
+    // retrieve db query
+    // verify presence of expected xrefs
+    // show xrefs - verify expected type of frame is shown for each xref
+    // show xrefs again
+    // - verify original -> xref -> xref(original) recovers frame containing at
+    // least the first retrieved sequence
+    // store
+    // 1. whole project
+    // 2. individual frames
+    // 3. load each one back and verify
+    // . aligned sequences (.toString() )
+    // . xrefs (.toString() )
+    // . codonframes
+    //
+    //
+    for (String[] did : new String[][] { { "UNIPROT", "P01731" } })
+    {
+      AlignFrame af = jalview.gui.SequenceFetcher.fetchAndShow(did[0],
+              did[1]).get(0);
+      assertTrue("Didn't read in the example file correctly.", af != null);
+      boolean dna = af.getViewport().getAlignment().isNucleotide();
+      AlignmentI retral = af.getViewport().getAlignment();
+      AlignmentI dataset = retral.getDataset();
+      SequenceI[] seqs = retral.getSequencesArray();
+      List<String> ptypes = (seqs == null || seqs.length == 0) ? null
+              : new CrossRef(seqs, dataset)
+                      .findXrefSourcesForSequences(dna);
       /*
-       * have rep sequence represent itself and the one before it
-       * this hides the group (except for the rep seq)
+       * map between a view, and views generated after retrieving xrefs
        */
-      SequenceGroup sg = new SequenceGroup();
-      sg.addSequence(repSeq, false);
-      SequenceI precedingSeq = alignment.getSequenceAt(repIndex - 1);
-      sg.addSequence(precedingSeq, false);
-      sg.setSeqrep(repSeq);
-      assertTrue(sg.getSequences().contains(repSeq));
-      assertTrue(sg.getSequences().contains(precedingSeq));
-      av.setSelectionGroup(sg);
-      assertSame(repSeq, sg.getSeqrep());
-
+      IdentityHashMap<AlignmentViewPanel, List<AlignmentViewPanel>> viewxrefview = new IdentityHashMap<AlignmentViewPanel, List<AlignmentViewPanel>>();
       /*
-       * represent group with sequence adds to a map of hidden rep sequences
-       * (it does not create a group on the alignment) 
+       * map between a particular view and it's originating dbref path
        */
-      ((AlignmentViewport) av).hideSequences(repSeq, true);
-      assertSame(repSeq, sg.getSeqrep());
-      assertTrue(sg.getSequences().contains(repSeq));
-      assertTrue(sg.getSequences().contains(precedingSeq));
-      assertTrue("alignment has groups", alignment.getGroups().isEmpty());
-      Map<SequenceI, SequenceCollectionI> hiddenRepSeqsMap = av
-              .getHiddenRepSequences();
-      assertNotNull(hiddenRepSeqsMap);
-      assertEquals(1, hiddenRepSeqsMap.size());
-      assertSame(sg, hiddenRepSeqsMap.get(repSeq));
-      assertTrue(alignment.getHiddenSequences().isHidden(precedingSeq));
-      assertFalse(alignment.getHiddenSequences().isHidden(repSeq));
-      hiddenNames.add(precedingSeq.getName());
-
-      n++;
-    }
-    File tfile = File
-            .createTempFile("testStoreAndRecoverGroupReps", ".jvp");
-    try
-    {
-      new Jalview2XML(false).saveState(tfile);
-    } catch (Throwable e)
-    {
-      Assert.fail("Didn't save the expanded view state", e);
-    }
-    Desktop.instance.closeAll_actionPerformed(null);
-    if (Desktop.getAlignFrames() != null)
-    {
-      Assert.assertEquals(Desktop.getAlignFrames().length, 0);
-    }
-
-    af = new FileLoader().LoadFileWaitTillLoaded(tfile.getAbsolutePath(),
-            FormatAdapter.FILE);
-    afid = af.getViewport().getSequenceSetId();
+      IdentityHashMap<AlignmentViewPanel, String> viewsourcedb = new IdentityHashMap<AlignmentViewPanel, String>();
 
-    for (AlignmentViewPanel ap : Desktop.getAlignmentPanels(afid))
-    {
-      String viewName = ap.getViewName();
-      AlignViewportI av = ap.getAlignViewport();
-      AlignmentI alignment = ap.getAlignment();
-      List<SequenceGroup> groups = alignment.getGroups();
-      assertNotNull(groups);
-      assertTrue("Alignment has groups", groups.isEmpty());
-      Map<SequenceI, SequenceCollectionI> hiddenRepSeqsMap = av
-              .getHiddenRepSequences();
-      assertNotNull("No hidden represented sequences", hiddenRepSeqsMap);
-      assertEquals(1, hiddenRepSeqsMap.size());
-      assertEquals(repSeqs.get(viewName).getDisplayId(true),
-              hiddenRepSeqsMap.keySet().iterator().next()
-                      .getDisplayId(true));
+      String first = did[0] + " " + did[1];
+      viewsourcedb.put(af.alignPanel, first);
+      for (String db : ptypes)
+      {
+        // retrieve and show cross-refs in this thread
+        CrossRefAction cra = new CrossRefAction(af, seqs, dna, db);
+        cra.run();
+        Assert.assertTrue(cra.getXrefViews().size() > 0,
+                "No crossrefs retrieved for " + db);
+        viewxrefview.put(af.alignPanel, cra.getXrefViews());
+
+        for (AlignmentViewPanel avp : cra.getXrefViews())
+        {
 
-      /*
-       * verify hidden sequences in restored panel
-       */
-      List<String> hidden = hiddenSeqNames.get(ap.getViewName());
-      HiddenSequences hs = alignment.getHiddenSequences();
-      assertEquals(
-              "wrong number of restored hidden sequences in "
-                      + ap.getViewName(), hidden.size(), hs.getSize());
+          SequenceI[] xrseqs = avp.getAlignment().getSequencesArray();
+          String nextxref = first + " -> " + db;
+          viewsourcedb.put(avp, nextxref);
+          List<String> xrptypes = (seqs == null || seqs.length == 0) ? null
+                  : new CrossRef(xrseqs, dataset)
+                          .findXrefSourcesForSequences(avp
+                                  .getAlignViewport().isNucleotide());
+          for (String xrefdb : xrptypes)
+          {
+            AlignFrame nextaf = Desktop.getAlignFrameFor(avp
+                    .getAlignViewport());
+            cra = new CrossRefAction(nextaf, xrseqs, avp.getAlignViewport()
+                    .isNucleotide(), xrefdb);
+            cra.run();
+            Assert.assertTrue(cra.getXrefViews().size() > 0,
+                    "No crossrefs found for '" + nextxref + "' to "
+                            + xrefdb + " via '" + nextaf.getTitle() + "'");
+            // save views for analysis
+            viewxrefview.put(avp, cra.getXrefViews());
+            for (AlignmentViewPanel nextavp : cra.getXrefViews())
+            {
+
+              viewsourcedb.put(nextavp, nextxref + " -> " + xrefdb);
+            }
+          }
+        }
+      }
     }
+    Thread.sleep(50000);
   }
+
 }