JAL-2154 tidy assert messages and fix test to verify asserts were raised when expected
[jalview.git] / test / jalview / datamodel / AlignmentTest.java
index 90090d3..dbecc20 100644 (file)
@@ -27,6 +27,7 @@ import static org.testng.AssertJUnit.assertNull;
 import static org.testng.AssertJUnit.assertSame;
 import static org.testng.AssertJUnit.assertTrue;
 
+import jalview.datamodel.AlignedCodonFrame.SequenceToSequenceMapping;
 import jalview.io.AppletFormatAdapter;
 import jalview.io.FormatAdapter;
 import jalview.util.MapList;
@@ -37,6 +38,7 @@ import java.util.Arrays;
 import java.util.Iterator;
 import java.util.List;
 
+import org.testng.Assert;
 import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.Test;
 
@@ -101,6 +103,310 @@ public class AlignmentTest
     return a;
   }
 
+  /**
+   * assert wrapper: tests all references in the given alignment are consistent
+   * 
+   * @param alignment
+   */
+  public static void assertAlignmentDatasetRefs(AlignmentI alignment)
+  {
+    verifyAlignmentDatasetRefs(alignment, true, null);
+  }
+
+  /**
+   * assert wrapper: tests all references in the given alignment are consistent
+   * 
+   * @param alignment
+   * @param message
+   *          - prefixed to any assert failed messages
+   */
+  public static void assertAlignmentDatasetRefs(AlignmentI alignment,
+          String message)
+  {
+    verifyAlignmentDatasetRefs(alignment, true, message);
+  }
+
+  /**
+   * verify sequence and dataset references are properly contained within
+   * dataset
+   * 
+   * @param alignment
+   *          - the alignmentI object to verify (either alignment or dataset)
+   * @param raiseAssert
+   *          - when set, testng assertions are raised.
+   *          @param message
+   *          - null or a string message to prepend to the assert failed messages.
+   * @return true if alignment references were in order, otherwise false.
+   */
+  public static boolean verifyAlignmentDatasetRefs(AlignmentI alignment,
+          boolean raiseAssert, String message)
+  {
+    if (message==null) { message = ""; }
+    if (alignment == null)
+    {
+      if (raiseAssert)
+      {
+        Assert.fail(message+"Alignment for verification was null.");
+      }
+      return false;
+    }
+    if (alignment.getDataset() != null)
+    {
+      AlignmentI dataset = alignment.getDataset();
+      // check all alignment sequences have their dataset within the dataset
+      for (SequenceI seq : alignment.getSequences())
+      {
+        SequenceI seqds = seq.getDatasetSequence();
+        if (seqds.getDatasetSequence() != null)
+        {
+          if (raiseAssert)
+          {
+            Assert.fail(message+" Alignment contained a sequence who's dataset sequence has a second dataset reference.");
+          }
+          return false;
+        }
+        if (dataset.findIndex(seqds) == -1)
+        {
+          if (raiseAssert)
+          {
+            Assert.fail(message+" Alignment contained a sequence who's dataset sequence was not in the dataset.");
+          }
+          return false;
+        }
+      }
+      return verifyAlignmentDatasetRefs(alignment.getDataset(), raiseAssert, message);
+    }
+    else
+    {
+      // verify all dataset sequences
+      for (SequenceI seqds : alignment.getSequences())
+      {
+        if (seqds.getDatasetSequence() != null)
+        {
+          if (raiseAssert)
+          {
+            Assert.fail(message+" Dataset contained a sequence with non-null dataset reference (ie not a dataset sequence!)");
+          }
+          return false;
+        }
+        if (seqds.getDBRefs() != null)
+        {
+          for (DBRefEntry dbr : seqds.getDBRefs())
+          {
+            if (dbr.getMap() != null)
+            {
+              SequenceI seqdbrmapto = dbr.getMap().getTo();
+              if (seqdbrmapto != null)
+              {
+                if (seqdbrmapto.getDatasetSequence() != null)
+                {
+                  if (raiseAssert)
+                  {
+                    Assert.fail(message+" DBRefEntry for sequence in alignment had map to sequence which was not a dataset sequence");
+                  }
+                  return false;
+
+                }
+                if (alignment.findIndex(dbr.getMap().getTo()) == -1)
+                {
+                  if (raiseAssert)
+                  {
+                    Assert.fail(message+" DBRefEntry for sequence in alignment had map to sequence not in dataset");
+                  }
+                  return false;
+                }
+              }
+            }
+          }
+        }
+      }
+      // finally, verify codonmappings involve only dataset sequences.
+      if (alignment.getCodonFrames() != null)
+      {
+        for (AlignedCodonFrame alc : alignment.getCodonFrames())
+        {
+          for (SequenceToSequenceMapping ssm : alc.getMappings())
+          {
+            if (ssm.getFromSeq().getDatasetSequence() != null)
+            {
+              if (raiseAssert)
+              {
+                Assert.fail(message+" CodonFrame-SSM-FromSeq is not a dataset sequence");
+              }
+              return false;
+            }
+            if (alignment.findIndex(ssm.getFromSeq()) == -1)
+            {
+
+              if (raiseAssert)
+              {
+                Assert.fail(message+" CodonFrame-SSM-FromSeq is not contained in dataset");
+              }
+              return false;
+            }
+            if (ssm.getMapping().getTo().getDatasetSequence() != null)
+            {
+              if (raiseAssert)
+              {
+                Assert.fail(message+" CodonFrame-SSM-Mapping-ToSeq is not a dataset sequence");
+              }
+              return false;
+            }
+            if (alignment.findIndex(ssm.getMapping().getTo()) == -1)
+            {
+
+              if (raiseAssert)
+              {
+                Assert.fail(message+" CodonFrame-SSM-Mapping-ToSeq is not contained in dataset");
+              }
+              return false;
+            }
+          }
+        }
+      }
+    }
+    return true; // all relationships verified!
+  }
+
+  /**
+   * call verifyAlignmentDatasetRefs with and without assertion raising enabled,
+   * to check expected pass/fail actually occurs in both conditions
+   * 
+   * @param al
+   * @param expected
+   * @param msg
+   */
+  private void assertVerifyAlignment(AlignmentI al, boolean expected,
+          String msg)
+  {
+    if (expected)
+    {
+      try
+      {
+
+        Assert.assertTrue(verifyAlignmentDatasetRefs(al, true, null),
+                "Valid test alignment failed when raiseAsserts enabled:"
+                        + msg);
+      } catch (AssertionError ae)
+      {
+        ae.printStackTrace();
+        Assert.fail(
+                "Valid test alignment raised assertion errors when raiseAsserts enabled: "
+                        + msg, ae);
+      }
+      // also check validation passes with asserts disabled
+      Assert.assertTrue(verifyAlignmentDatasetRefs(al, false, null),
+              "Valid test alignment tested false when raiseAsserts disabled:"
+                      + msg);
+    }
+    else
+    {
+      boolean assertRaised = false;
+      try
+      {
+        verifyAlignmentDatasetRefs(al, true, null);
+      } catch (AssertionError ae)
+      {
+        // expected behaviour
+        assertRaised = true;
+      }
+      if (!assertRaised)
+      {
+        Assert.fail("Invalid test alignment passed when raiseAsserts enabled:"
+                + msg);
+      }
+      // also check validation passes with asserts disabled
+      Assert.assertFalse(verifyAlignmentDatasetRefs(al, false, null),
+              "Invalid test alignment tested true when raiseAsserts disabled:"
+                      + msg);
+    }
+  }
+  @Test(groups = { "Functional" })
+  public void testVerifyAlignmentDatasetRefs()
+  {
+    SequenceI sq1 = new Sequence("sq1", "ASFDD"), sq2 = new Sequence("sq2",
+            "TTTTTT");
+
+    // construct simple valid alignment dataset
+    Alignment al = new Alignment(new SequenceI[] {
+        sq1, sq2 });
+    // expect this to pass
+    assertVerifyAlignment(al, true, "Simple valid alignment didn't verify");
+
+    // check test for sequence->datasetSequence validity
+    sq1.setDatasetSequence(sq2);
+    assertVerifyAlignment(
+            al,
+            false,
+            "didn't detect dataset sequence with a dataset sequence reference.");
+
+    sq1.setDatasetSequence(null);
+    assertVerifyAlignment(
+            al,
+            true,
+            "didn't reinstate validity after nulling dataset sequence dataset reference");
+
+    // now create dataset and check again
+    al.createDatasetAlignment();
+    assertNotNull(al.getDataset());
+
+    assertVerifyAlignment(al, true,
+            "verify failed after createDatasetAlignment");
+
+    // create a dbref on sq1 with a sequence ref to sq2
+    DBRefEntry dbrs1tos2 = new DBRefEntry("UNIPROT", "1", "Q111111");
+    dbrs1tos2.setMap(new Mapping(sq2.getDatasetSequence(),
+            new int[] { 1, 5 }, new int[] { 2, 6 }, 1, 1));
+    sq1.getDatasetSequence().addDBRef(dbrs1tos2);
+    assertVerifyAlignment(al, true,
+            "verify failed after addition of valid DBRefEntry/map");
+    // now create a dbref on a new sequence which maps to another sequence
+    // outside of the dataset
+    SequenceI sqout = new Sequence("sqout", "ututututucagcagcag"), sqnew = new Sequence(
+            "sqnew", "EEERRR");
+    DBRefEntry sqnewsqout = new DBRefEntry("ENAFOO", "1", "R000001");
+    sqnewsqout.setMap(new Mapping(sqout, new int[] { 1, 6 }, new int[] { 1,
+        18 }, 1, 3));
+    al.getDataset().addSequence(sqnew);
+
+    assertVerifyAlignment(al, true,
+            "verify failed after addition of new sequence to dataset");
+    // now start checking exception conditions
+    sqnew.addDBRef(sqnewsqout);
+    assertVerifyAlignment(
+            al,
+            false,
+            "verify passed when a dbref with map to sequence outside of dataset was added");
+    // make the verify pass by adding the outsider back in
+    al.getDataset().addSequence(sqout);
+    assertVerifyAlignment(al, true,
+            "verify should have passed after adding dbref->to sequence in to dataset");
+    // and now the same for a codon mapping...
+    SequenceI sqanotherout = new Sequence("sqanotherout",
+            "aggtutaggcagcagcag");
+
+    AlignedCodonFrame alc = new AlignedCodonFrame();
+    alc.addMap(sqanotherout, sqnew, new MapList(new int[] { 1, 6 },
+            new int[] { 1, 18 }, 3, 1));
+
+    al.addCodonFrame(alc);
+    Assert.assertEquals(al.getDataset().getCodonFrames().size(), 1);
+
+    assertVerifyAlignment(
+            al,
+            false,
+            "verify passed when alCodonFrame mapping to sequence outside of dataset was added");
+    // make the verify pass by adding the outsider back in
+    al.getDataset().addSequence(sqanotherout);
+    assertVerifyAlignment(
+            al,
+            true,
+            "verify should have passed once all sequences involved in alCodonFrame were added to dataset");
+    al.getDataset().addSequence(sqanotherout);
+    assertVerifyAlignment(al, false,
+            "verify should have failed when a sequence was added twice to the dataset");
+
+  }
   /*
    * Read in Stockholm format test data including secondary structure
    * annotations.