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Posted to oak-commits@jackrabbit.apache.org by to...@apache.org on 2018/03/13 19:29:29 UTC

svn commit: r1826668 - in /jackrabbit/oak/branches/1.8: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/migration/ oak-parent/ oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/ oak-upgrade/src/main/java/org/apac...

Author: tomekr
Date: Tue Mar 13 19:29:29 2018
New Revision: 1826668

URL: http://svn.apache.org/viewvc?rev=1826668&view=rev
Log:
OAK-7335: oak-upgrade long name filter should consider the path length

Added:
    jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/nodestate/NameFilteringNodeState.java
      - copied, changed from r1826641, jackrabbit/oak/branches/1.8/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/migration/NameFilteringNodeState.java
Removed:
    jackrabbit/oak/branches/1.8/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/migration/NameFilteringNodeState.java
Modified:
    jackrabbit/oak/branches/1.8/oak-parent/pom.xml
    jackrabbit/oak/branches/1.8/oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java
    jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java
    jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositoryUpgrade.java
    jackrabbit/oak/branches/1.8/oak-upgrade/src/test/java/org/apache/jackrabbit/oak/upgrade/LongNameTest.java

Modified: jackrabbit/oak/branches/1.8/oak-parent/pom.xml
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.8/oak-parent/pom.xml?rev=1826668&r1=1826667&r2=1826668&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.8/oak-parent/pom.xml (original)
+++ jackrabbit/oak/branches/1.8/oak-parent/pom.xml Tue Mar 13 19:29:29 2018
@@ -209,6 +209,7 @@
                   <filter>!org.apache.jackrabbit.oak.plugins.index.reference</filter>
                   <filter>!org.apache.jackrabbit.oak.plugins.lock</filter>
                   <filter>!org.apache.jackrabbit.oak.plugins.memory</filter>
+                  <filter>!org.apache.jackrabbit.oak.plugins.migration</filter>
                   <filter>!org.apache.jackrabbit.oak.plugins.name</filter>
                   <filter>!org.apache.jackrabbit.oak.plugins.nodetype</filter>
                   <filter>!org.apache.jackrabbit.oak.plugins.nodetype.write</filter>

Modified: jackrabbit/oak/branches/1.8/oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.8/oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java?rev=1826668&r1=1826667&r2=1826668&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.8/oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java (original)
+++ jackrabbit/oak/branches/1.8/oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java Tue Mar 13 19:29:29 2018
@@ -76,14 +76,14 @@ public class Utils {
      * possibly be too large to be used for the primary key for the document
      * store.
      */
-    static final int PATH_SHORT = Integer.getInteger("oak.pathShort", 165);
+    public static final int PATH_SHORT = Integer.getInteger("oak.pathShort", 165);
 
     /**
      * The maximum length of the parent path, in bytes. If the parent path is
      * longer, then the id of a document is no longer the path, but the hash of
      * the parent, and then the node name.
      */
-    static final int PATH_LONG = Integer.getInteger("oak.pathLong", 350);
+    public static final int PATH_LONG = Integer.getInteger("oak.pathLong", 350);
 
     /**
      * The maximum size a node name, in bytes. This is only a problem for long path.

Modified: jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java?rev=1826668&r1=1826667&r2=1826668&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java (original)
+++ jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java Tue Mar 13 19:29:29 2018
@@ -35,7 +35,7 @@ import org.apache.jackrabbit.oak.api.Pro
 import org.apache.jackrabbit.oak.api.Type;
 import org.apache.jackrabbit.oak.commons.PathUtils;
 import org.apache.jackrabbit.oak.plugins.migration.FilteringNodeState;
-import org.apache.jackrabbit.oak.plugins.migration.NameFilteringNodeState;
+import org.apache.jackrabbit.oak.upgrade.nodestate.NameFilteringNodeState;
 import org.apache.jackrabbit.oak.plugins.migration.NodeStateCopier;
 import org.apache.jackrabbit.oak.plugins.migration.report.LoggingReporter;
 import org.apache.jackrabbit.oak.plugins.migration.report.ReportingNodeState;
@@ -533,7 +533,7 @@ public class RepositorySidegrade {
             wrapped = ReportingNodeState.wrap(wrapped, new LoggingReporter(LOG, "Copying", LOG_NODE_COPY, -1));
         }
         if (filterLongNames) {
-            wrapped = NameFilteringNodeState.wrap(wrapped);
+            wrapped = NameFilteringNodeState.wrapRoot(wrapped);
         }
         return wrapped;
     }

Modified: jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositoryUpgrade.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositoryUpgrade.java?rev=1826668&r1=1826667&r2=1826668&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositoryUpgrade.java (original)
+++ jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositoryUpgrade.java Tue Mar 13 19:29:29 2018
@@ -60,6 +60,7 @@ import javax.jcr.nodetype.NodeTypeTempla
 import javax.jcr.nodetype.PropertyDefinitionTemplate;
 import javax.jcr.security.Privilege;
 
+import com.google.common.base.Charsets;
 import com.google.common.base.Function;
 import com.google.common.base.Stopwatch;
 import com.google.common.collect.HashBiMap;
@@ -85,6 +86,7 @@ import org.apache.jackrabbit.oak.api.Roo
 import org.apache.jackrabbit.oak.api.Tree;
 import org.apache.jackrabbit.oak.commons.PathUtils;
 import org.apache.jackrabbit.oak.namepath.NamePathMapper;
+import org.apache.jackrabbit.oak.plugins.document.util.Utils;
 import org.apache.jackrabbit.oak.plugins.index.CompositeIndexEditorProvider;
 import org.apache.jackrabbit.oak.plugins.index.IndexEditorProvider;
 import org.apache.jackrabbit.oak.plugins.index.IndexUpdate;
@@ -92,7 +94,7 @@ import org.apache.jackrabbit.oak.plugins
 import org.apache.jackrabbit.oak.plugins.index.property.PropertyIndexEditorProvider;
 import org.apache.jackrabbit.oak.plugins.index.reference.ReferenceEditorProvider;
 import org.apache.jackrabbit.oak.plugins.migration.FilteringNodeState;
-import org.apache.jackrabbit.oak.plugins.migration.NameFilteringNodeState;
+import org.apache.jackrabbit.oak.upgrade.nodestate.NameFilteringNodeState;
 import org.apache.jackrabbit.oak.plugins.migration.NodeStateCopier;
 import org.apache.jackrabbit.oak.plugins.migration.report.LoggingReporter;
 import org.apache.jackrabbit.oak.plugins.migration.report.ReportingNodeState;
@@ -483,7 +485,7 @@ public class RepositoryUpgrade {
             );
             final NodeState sourceRoot;
             if (filterLongNames) {
-                sourceRoot = NameFilteringNodeState.wrap(reportingSourceRoot);
+                sourceRoot = NameFilteringNodeState.wrapRoot(reportingSourceRoot);
             } else {
                 sourceRoot = reportingSourceRoot;
             }
@@ -992,14 +994,16 @@ public class RepositoryUpgrade {
                     continue;
                 }
                 String name = t.text();
-                if (NameFilteringNodeState.isNameTooLong(name)) {
+                if (nameMayBeTooLong(name)) {
                     TermDocs docs = reader.termDocs(t);
                     if (docs.next()) {
                         int docId = docs.doc();
                         String uuid = reader.document(docId).get(FieldNames.UUID);
                         Node n = session.getNodeByIdentifier(uuid);
-                        logger.warn("Name too long: {}", n.getPath());
-                        longNameFound = true;
+                        if (isNameTooLong(n.getName(), n.getParent().getPath())) {
+                            logger.warn("Name too long: {}", n.getPath());
+                            longNameFound = true;
+                        }
                     }
                 }
             }
@@ -1014,6 +1018,29 @@ public class RepositoryUpgrade {
         }
     }
 
+    private boolean nameMayBeTooLong(String name) {
+        if (name.length() <= Utils.NODE_NAME_LIMIT / 3) {
+            return false;
+        }
+        if (name.getBytes(Charsets.UTF_8).length <= Utils.NODE_NAME_LIMIT) {
+            return false;
+        }
+        return true;
+    }
+
+    private boolean isNameTooLong(String name, String parentPath) {
+        if (!nameMayBeTooLong(name)) {
+            return false;
+        }
+        if (parentPath.length() < Utils.PATH_SHORT) {
+            return false;
+        }
+        if (parentPath.getBytes(Charsets.UTF_8).length < Utils.PATH_LONG) {
+            return false;
+        }
+        return true;
+    }
+
     static class LoggingCompositeHook implements CommitHook {
         private final Collection<CommitHook> hooks;
         private boolean started = false;

Copied: jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/nodestate/NameFilteringNodeState.java (from r1826641, jackrabbit/oak/branches/1.8/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/migration/NameFilteringNodeState.java)
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/nodestate/NameFilteringNodeState.java?p2=jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/nodestate/NameFilteringNodeState.java&p1=jackrabbit/oak/branches/1.8/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/migration/NameFilteringNodeState.java&r1=1826641&r2=1826668&rev=1826668&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.8/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/migration/NameFilteringNodeState.java (original)
+++ jackrabbit/oak/branches/1.8/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/nodestate/NameFilteringNodeState.java Tue Mar 13 19:29:29 2018
@@ -14,33 +14,37 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.jackrabbit.oak.plugins.migration;
+package org.apache.jackrabbit.oak.upgrade.nodestate;
 
 import com.google.common.base.Charsets;
 import org.apache.jackrabbit.oak.api.PropertyState;
+import org.apache.jackrabbit.oak.commons.PathUtils;
+import org.apache.jackrabbit.oak.plugins.document.util.Utils;
+import org.apache.jackrabbit.oak.plugins.migration.AbstractDecoratedNodeState;
 import org.apache.jackrabbit.oak.spi.state.NodeState;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.annotation.Nonnull;
+import java.util.ArrayList;
+import java.util.List;
 
 public class NameFilteringNodeState extends AbstractDecoratedNodeState {
 
     private static final Logger LOG = LoggerFactory.getLogger(NameFilteringNodeState.class);
 
-    private static final int NODE_NAME_LIMIT = 150;
-    /**
-     * Max character size in bytes in UTF8 = 4. Therefore if the number of characters is smaller
-     * than NODE_NAME_LIMIT / 4 we don't need to count bytes.
-     */
-    private static final int SAFE_NODE_NAME_LENGTH = NODE_NAME_LIMIT / 4;
+    private final NameFilteringNodeState parent;
 
-    public static NodeState wrap(final NodeState delegate) {
-        return new NameFilteringNodeState(delegate);
+    private final String name;
+
+    public static NodeState wrapRoot(final NodeState delegate) {
+        return new NameFilteringNodeState(delegate, null, null);
     }
 
-    private NameFilteringNodeState(final NodeState delegate) {
+    private NameFilteringNodeState(final NodeState delegate, NameFilteringNodeState parent, String name) {
         super(delegate);
+        this.parent = parent;
+        this.name = name;
     }
 
     @Override
@@ -55,7 +59,7 @@ public class NameFilteringNodeState exte
     @Override
     @Nonnull
     protected NodeState decorateChild(@Nonnull final String name, @Nonnull final NodeState delegateChild) {
-        return wrap(delegateChild);
+        return new NameFilteringNodeState(delegateChild, this, name);
     }
 
     @Override
@@ -69,11 +73,41 @@ public class NameFilteringNodeState exte
      *
      * @param name
      *            to check
-     * @return true if the name is longer than {@code org.apache.jackrabbit.oak.plugins.document.util.Utils#NODE_NAME_LIMIT}
+     * @return true if the name is longer than {@link org.apache.jackrabbit.oak.plugins.document.util.Utils#NODE_NAME_LIMIT}
      */
-    public static boolean isNameTooLong(@Nonnull String name) {
+    private boolean isNameTooLong(@Nonnull String name) {
         // OAK-1589: maximum supported length of name for DocumentNodeStore
         // is 150 bytes. Skip the sub tree if the the name is too long
-        return name.length() > SAFE_NODE_NAME_LENGTH && name.getBytes(Charsets.UTF_8).length > NODE_NAME_LIMIT;
+        if (name.length() <= Utils.NODE_NAME_LIMIT / 3) {
+            return false;
+        }
+        if (name.getBytes(Charsets.UTF_8).length <= Utils.NODE_NAME_LIMIT) {
+            return false;
+        }
+        String path = getPath();
+        if (path.length() <= Utils.PATH_SHORT) {
+            return false;
+        }
+        if (path.getBytes(Charsets.UTF_8).length < Utils.PATH_LONG) {
+            return false;
+        }
+        return true;
+    }
+
+    private String getPath() {
+        List<String> names = new ArrayList<>();
+        NameFilteringNodeState ns = this;
+        while (ns.parent != null) {
+            names.add(ns.name);
+            ns = ns.parent;
+        }
+        String[] reversed = new String[names.size()];
+
+        int i = reversed.length - 1;
+        for (String name : names) {
+            reversed[i--] = name;
+        }
+
+        return PathUtils.concat(PathUtils.ROOT_PATH, reversed);
     }
 }

Modified: jackrabbit/oak/branches/1.8/oak-upgrade/src/test/java/org/apache/jackrabbit/oak/upgrade/LongNameTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.8/oak-upgrade/src/test/java/org/apache/jackrabbit/oak/upgrade/LongNameTest.java?rev=1826668&r1=1826667&r2=1826668&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.8/oak-upgrade/src/test/java/org/apache/jackrabbit/oak/upgrade/LongNameTest.java (original)
+++ jackrabbit/oak/branches/1.8/oak-upgrade/src/test/java/org/apache/jackrabbit/oak/upgrade/LongNameTest.java Tue Mar 13 19:29:29 2018
@@ -18,169 +18,208 @@
  */
 package org.apache.jackrabbit.oak.upgrade;
 
-import static com.google.common.collect.Iterables.cycle;
-import static com.google.common.collect.Iterables.limit;
-import static org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBuilder.newDocumentNodeStoreBuilder;
-import static org.junit.Assert.fail;
-
-import java.io.File;
-import java.io.IOException;
-
-import javax.jcr.Credentials;
-import javax.jcr.Node;
-import javax.jcr.RepositoryException;
-import javax.jcr.Session;
-import javax.jcr.SimpleCredentials;
-
-import org.apache.commons.io.FileUtils;
 import org.apache.jackrabbit.core.RepositoryContext;
 import org.apache.jackrabbit.core.RepositoryImpl;
 import org.apache.jackrabbit.core.config.RepositoryConfig;
+import org.apache.jackrabbit.oak.api.CommitFailedException;
+import org.apache.jackrabbit.oak.commons.PathUtils;
 import org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore;
-import org.apache.jackrabbit.oak.plugins.memory.MemoryNodeStore;
+import org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBuilder;
 import org.apache.jackrabbit.oak.segment.SegmentNodeStore;
 import org.apache.jackrabbit.oak.segment.SegmentNodeStoreBuilders;
 import org.apache.jackrabbit.oak.segment.memory.MemoryStore;
+import org.apache.jackrabbit.oak.spi.commit.CommitInfo;
+import org.apache.jackrabbit.oak.spi.commit.EmptyHook;
+import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
 import org.apache.jackrabbit.oak.spi.state.NodeState;
 import org.apache.jackrabbit.oak.spi.state.NodeStore;
-import org.apache.jackrabbit.oak.stats.Clock;
 import org.junit.Assert;
-import org.junit.BeforeClass;
+import org.junit.Ignore;
+import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-public class LongNameTest {
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.SimpleCredentials;
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Random;
 
-    public static final Credentials CREDENTIALS = new SimpleCredentials("admin", "admin".toCharArray());
+import static org.junit.Assert.fail;
 
-    private static final String TOO_LONG_NAME = "this string is an example of a very long node name which is approximately one hundred fifty eight bytes long so too long for the document node store to handle";
+@RunWith(Parameterized.class)
+public class LongNameTest {
 
-    private static final String NOT_TOO_LONG_NAME = "this string despite it is very long as well is not too long for the document node store to handle so it may be migrated succesfully without troubles";
+    private static final Logger LOG = LoggerFactory.getLogger(LongNameTest.class);
 
-    private static RepositoryConfig sourceRepositoryConfig;
+    @Parameterized.Parameters(name = "{0}")
+    public static Collection<Object[]> data() {
+        List<Object[]> params = new ArrayList<Object[]>();
 
-    private static File crx2RepoDir;
+        params.add(new Object[] { "Short parent, short name", 349, 150, false });
+        params.add(new Object[] { "Short parent, long name", 349, 151, false });
+        params.add(new Object[] { "Long parent, short name", 350, 150, false });
+        params.add(new Object[] { "Long parent, long name", 350, 151, true });
 
-    @BeforeClass
-    public static void prepareSourceRepository() throws RepositoryException, IOException, InterruptedException {
-        crx2RepoDir = new File("target", "upgrade-" + Clock.SIMPLE.getTimeIncreasing());
-        FileUtils.deleteQuietly(crx2RepoDir);
+        return params;
+    }
 
-        sourceRepositoryConfig = createCrx2Config(crx2RepoDir);
-        RepositoryContext ctx = RepositoryContext.create(sourceRepositoryConfig);
-        RepositoryImpl sourceRepository = ctx.getRepository();
-        Session session = sourceRepository.login(CREDENTIALS);
-        try {
-            Assert.assertTrue(TOO_LONG_NAME.getBytes().length > 150);
-            Assert.assertTrue(NOT_TOO_LONG_NAME.getBytes().length < 150);
+    private final String parentPath;
 
-            Node longNameParent = createParent(session.getRootNode());
-            Assert.assertTrue(longNameParent.getPath().length() >= 350);
+    private final String nodeName;
 
-            longNameParent.addNode(TOO_LONG_NAME);
-            longNameParent.addNode(NOT_TOO_LONG_NAME);
-            session.save();
+    private final boolean shouldBeSkipped;
 
-            Assert.assertTrue(longNameParent.hasNode(TOO_LONG_NAME));
-            Assert.assertTrue(longNameParent.hasNode(NOT_TOO_LONG_NAME));
+    @Rule
+    public final TemporaryFolder crxRepo = new TemporaryFolder(new File("target"));
 
-        } finally {
-            session.logout();
-        }
-        sourceRepository.shutdown();
-    }
-
-    private static RepositoryConfig createCrx2Config(File crx2RepoDir) throws RepositoryException, IOException {
-        File source = new File(crx2RepoDir, "source");
-        source.mkdirs();
-        return RepositoryConfig.install(source);
+    public LongNameTest(String name, int parentPathLength, int nodeNameLength, boolean shouldBeSkipped) {
+        this.parentPath = generatePath(parentPathLength);
+        this.nodeName = generateNodeName(nodeNameLength);
+        this.shouldBeSkipped = shouldBeSkipped;
     }
 
     @Test
-    public void longNameShouldBeSkipped() throws RepositoryException, IOException {
-        DocumentNodeStore nodeStore = newDocumentNodeStoreBuilder().build();
-        try {
-            upgrade(nodeStore, false, true);
-
-            NodeState parent = getParent(nodeStore.getRoot());
-            Assert.assertTrue(parent.hasChildNode(NOT_TOO_LONG_NAME));
-            Assert.assertEquals(1, parent.getChildNodeCount(10));
-
-            // The following throws an DocumentStoreException:
-            // Assert.assertFalse(parent.hasChildNode(TOO_LONG_NAME));
-        } finally {
-            nodeStore.dispose();
+    public void testMigrationToDocStore() throws IOException, CommitFailedException, RepositoryException {
+        SegmentNodeStore src = SegmentNodeStoreBuilders.builder(new MemoryStore()).build();
+        createNodes(src);
+
+        DocumentNodeStore dst = DocumentNodeStoreBuilder.newDocumentNodeStoreBuilder().build();
+
+        RepositorySidegrade sidegrade = new RepositorySidegrade(src, dst);
+        sidegrade.setFilterLongNames(true);
+        sidegrade.copy();
+
+        NodeState parent = getParent(dst);
+        Assert.assertTrue("Parent should exists", parent.exists());
+        if (shouldBeSkipped) {
+            Assert.assertFalse("Node shouldn't exists", parent.hasChildNode(nodeName));
+        } else {
+            Assert.assertTrue("Node should exists", parent.hasChildNode(nodeName));
         }
     }
 
     @Test
-    public void assertNoLongNamesTest() throws IOException, RepositoryException {
-        RepositoryConfig config = createCrx2Config(crx2RepoDir);
-        RepositoryContext context = RepositoryContext.create(config);
+    public void testNodeOnDocStore() throws CommitFailedException {
+        DocumentNodeStore docStore = DocumentNodeStoreBuilder.newDocumentNodeStoreBuilder().build();
+
         try {
-            RepositoryUpgrade upgrade = new RepositoryUpgrade(context, new MemoryNodeStore());
-            try {
-                upgrade.assertNoLongNames();
-                fail("Exception should be thrown");
-            } catch (RepositoryException e) {
-                // that's fine
+            createNodes(docStore);
+            if (shouldBeSkipped) {
+                fail("It shouldn't be possible to create a node");
+            }
+        } catch (CommitFailedException e) {
+            if (!shouldBeSkipped) {
+                LOG.warn("Unexpected exception", e);
+                fail("It should be possible to create a node");
             }
-        } finally {
-            context.getRepository().shutdown();
         }
     }
 
-    @Test(expected = RepositoryException.class)
-    public void longNameOnDocumentStoreThrowsAnException() throws RepositoryException, IOException {
-        DocumentNodeStore nodeStore = newDocumentNodeStoreBuilder().build();
+    @Test
+    @Ignore
+    public void testUpgradeToDocStore() throws IOException, CommitFailedException, RepositoryException {
+        File root = crxRepo.newFolder();
+        File source = new File(root, "source");
+        source.mkdirs();
+        RepositoryImpl sourceRepository = RepositoryContext.create(RepositoryConfig.install(source)).getRepository();
+        Session session = sourceRepository.login(new SimpleCredentials("admin", "admin".toCharArray()));
         try {
-            upgrade(nodeStore, false, false);
+            Node node = session.getRootNode();
+            for (String s : PathUtils.elements(parentPath)) {
+                node = node.addNode(s);
+            }
+            node.addNode(nodeName);
+            session.save();
         } finally {
-            nodeStore.dispose();
+            session.logout();
         }
-    }
-
-    @Test
-    public void longNameOnSegmentStoreWorksFine() throws RepositoryException, IOException {
-        SegmentNodeStore nodeStore = SegmentNodeStoreBuilders.builder(new MemoryStore()).build();
-        upgrade(nodeStore, false, false);
-
-        NodeState parent = getParent(nodeStore.getRoot());
-        Assert.assertTrue(parent.hasChildNode(NOT_TOO_LONG_NAME));
-        Assert.assertTrue(parent.hasChildNode(TOO_LONG_NAME));
-    }
+        sourceRepository.shutdown();
 
-    private static void upgrade(NodeStore target, boolean skipNameCheck, boolean filterLongNames) throws RepositoryException, IOException {
-        RepositoryConfig config = createCrx2Config(crx2RepoDir);
-        RepositoryContext context = RepositoryContext.create(config);
+        DocumentNodeStore dst = DocumentNodeStoreBuilder.newDocumentNodeStoreBuilder().build();
+        RepositoryContext ctx = RepositoryContext.create(RepositoryConfig.install(source));
+        RepositoryUpgrade upgrade = new RepositoryUpgrade(ctx, dst);
+        upgrade.setCheckLongNames(true);
         try {
-            RepositoryUpgrade upgrade = new RepositoryUpgrade(context, target);
-            upgrade.setCheckLongNames(skipNameCheck);
-            upgrade.setFilterLongNames(filterLongNames);
             upgrade.copy(null);
-        } finally {
-            context.getRepository().shutdown();
+            if (shouldBeSkipped) {
+                fail("Jackrabbit2 Lucene index should be used to inform about the node with long name");
+            }
+        } catch (Exception e) {
+            if (!shouldBeSkipped) {
+                LOG.warn("Unexpected exception", e);
+                fail("Upgrade should be successful");
+            }
+        }
+
+        ctx.getRepository().shutdown();
+        ctx = RepositoryContext.create(RepositoryConfig.install(source));
+        upgrade = new RepositoryUpgrade(ctx, dst);
+        upgrade.setCheckLongNames(false);
+        upgrade.copy(null);
+
+        NodeState parent = getParent(dst);
+        Assert.assertTrue("Parent should exists", parent.exists());
+        if (shouldBeSkipped) {
+            Assert.assertFalse("Node shouldn't exists", parent.hasChildNode(nodeName));
+        } else {
+            Assert.assertTrue("Node should exists", parent.hasChildNode(nodeName));
         }
     }
 
-    private static Node createParent(Node root) throws RepositoryException {
-        Node current = root;
-        for (String segment : getParentSegments()) {
-            current = current.addNode(segment);
+    private void createNodes(NodeStore ns) throws CommitFailedException {
+        NodeBuilder root = ns.getRoot().builder();
+        NodeBuilder nb = root;
+        for (String s : PathUtils.elements(parentPath)) {
+            nb = nb.child(s);
+        }
+        nb.child(nodeName);
+        ns.merge(root, EmptyHook.INSTANCE, CommitInfo.EMPTY);
+    }
+
+    private static String generatePath(int length) {
+        if (length == 1) {
+            return "/";
+        }
+
+        Random random = new Random();
+        StringBuilder path = new StringBuilder();
+        while (path.length() < length) {
+            int remaining = length - path.length();
+            if (remaining == 1) {
+                path.append(generateNodeName(1));
+            } else {
+                path.append('/');
+                remaining--;
+                path.append(generateNodeName(1 + random.nextInt(Math.min(remaining, 150))));
+            }
         }
-        return current;
+        return path.toString();
     }
 
-    private static NodeState getParent(NodeState root) throws RepositoryException {
-        NodeState current = root;
-        for (String segment : getParentSegments()) {
-            current = current.getChildNode(segment);
+    private static String generateNodeName(int length) {
+        Random random = new Random();
+        StringBuilder nodeName = new StringBuilder();
+        for (int i = 0; i < length; i++) {
+            nodeName.append((char) ('a' + random.nextInt('z' - 'a')));
         }
-        return current;
+        return nodeName.toString();
     }
 
-    private static Iterable<String> getParentSegments() {
-        return limit(cycle("this", "is", "a", "path"), 100); // total path
-                                                             // length
-                                                             // = 350
+    private NodeState getParent(NodeStore ns) {
+        NodeState node = ns.getRoot();
+        for (String s : PathUtils.elements(parentPath)) {
+            node = node.getChildNode(s);
+        }
+        return node;
     }
 }