Examples of org.exoplatform.services.document.diff.Revision.patch()

Package org.exoplatform.services.document.diff

Class org.exoplatform.services.document.diff.Revision

Examples of org.exoplatform.services.document.diff.Revision.patch()

org.exoplatform.services.document.diff.Revision.patch()
Applies the series of deltas in this revision as patches to the given text. @param src the text to patch, which the method doesn't change. @return the resulting text after the patches have been applied. @throws Exception if any of the patches cannot be applied.

   {
      DiffService diffService = new DiffServiceImpl(getAlgo());
      Revision revision = diffService.diff(original, empty);
      assertEquals(1, revision.size());
      assertTrue(revision.getDelta(0) instanceof DeleteDelta);
      assertTrue(diffService.compare(revision.patch(original), empty));
   }


   public void testTwoDeletes() throws Exception
   {
      DiffService diffService = new DiffServiceImpl(getAlgo());

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      DiffService diffService = new DiffServiceImpl(getAlgo());
      Revision revision = diffService.diff(original, rev1);
      assertEquals(2, revision.size());
      assertTrue(revision.getDelta(0) instanceof DeleteDelta);
      assertTrue(revision.getDelta(1) instanceof DeleteDelta);
      assertTrue(diffService.compare(revision.patch(original), rev1));
      assertEquals("3d2" + DiffService.NL + "< [3] three" + DiffService.NL + "9d7" + DiffService.NL + "< [9] nine"
         + DiffService.NL, revision.toString());
   }


   public void testChangeAtTheEnd() throws Exception

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   {
      DiffService diffService = new DiffServiceImpl(getAlgo());
      Revision revision = diffService.diff(original, rev2);
      assertEquals(1, revision.size());
      assertTrue(revision.getDelta(0) instanceof ChangeDelta);
      assertTrue(diffService.compare(revision.patch(original), rev2));
      assertEquals("d7 3" + DiffService.NL + "a9 2" + DiffService.NL + "[7] seven revised" + DiffService.NL
         + "[8] eight revised" + DiffService.NL, revision.toRCSString());
   }


   public void testPatchFailed() throws Exception

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   {
      try
      {
         DiffService diffService = new DiffServiceImpl(getAlgo());
         Revision revision = diffService.diff(original, rev2);
         assertTrue(!diffService.compare(revision.patch(rev1), rev2));
         fail("Exception not thrown");
      }
      catch (Exception e)
      {
      }

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      Object[] rev = new String[]{"[3] three", "[1] one", "[5] five", "[2] two", "[6] six", "[4] four"};


      DiffService diffService = new DiffServiceImpl(getAlgo());
      Revision revision = diffService.diff(orig, rev);
      Object[] patched = revision.patch(orig);
      assertTrue(diffService.compare(patched, rev));
   }


   public void testEdit5() throws Exception
   {

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      Object[] rev =
         new String[]{"one revised", "two revised", "[2] two", "[3] three", "five revised", "six revised", "[5] five"};


      DiffService diffService = new DiffServiceImpl(getAlgo());
      Revision revision = diffService.diff(orig, rev);
      Object[] patched = revision.patch(orig);
      assertTrue(diffService.compare(patched, rev));
   }


   public void testShuffle() throws Exception
   {

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      for (int seed = 0; seed < 10; seed++)
      {
         Object[] shuffle = ((DiffServiceImpl)diffService).shuffle(orig);
         Revision revision = diffService.diff(orig, shuffle);
         Object[] patched = revision.patch(orig);
         if (!diffService.compare(patched, shuffle))
         {
            fail("iter " + seed + " revisions differ after patch");
         }
      }

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      DiffService diffService = new DiffServiceImpl(getAlgo());
      for (int seed = 0; seed < 10; seed++)
      {
         Object[] random = ((DiffServiceImpl)diffService).randomEdit(orig, seed);
         Revision revision = diffService.diff(orig, random);
         Object[] patched = revision.patch(orig);
         if (!diffService.compare(patched, random))
         {
            fail("iter " + seed + " revisions differ after patch");
         }
         orig = random;

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      Object[] orig = ((DiffServiceImpl)diffService).randomSequence(LARGE);
      for (int seed = 0; seed < 3; seed++)
      {
         Object[] rev = ((DiffServiceImpl)diffService).shuffle(orig);
         Revision revision = diffService.diff(orig, rev);
         Object[] patched = revision.patch(orig);
         if (!diffService.compare(patched, rev))
         {
            fail("iter " + seed + " revisions differ after patch");
         }
         orig = rev;

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      Object[] orig = ((DiffServiceImpl)diffService).randomSequence(LARGE);
      for (int seed = 0; seed < 3; seed++)
      {
         Object[] rev = ((DiffServiceImpl)diffService).randomEdit(orig, seed);
         Revision revision = diffService.diff(orig, rev);
         Object[] patched = revision.patch(orig);
         if (!diffService.compare(patched, rev))
         {
            fail("iter " + seed + " revisions differ after patch");
         }
      }

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