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Posted to oak-commits@jackrabbit.apache.org by mr...@apache.org on 2015/09/07 15:56:44 UTC

svn commit: r1701627 - in /jackrabbit/oak/branches/1.0: ./ oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/

Author: mreutegg
Date: Mon Sep  7 13:56:43 2015
New Revision: 1701627

URL: http://svn.apache.org/r1701627
Log:
OAK-3313: Many tests leak DocumentNodeStore instances

Merged revision 1701619 from trunk

Added:
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentMKBuilderProvider.java
      - copied unchanged from r1701619, jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentMKBuilderProvider.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java
      - copied, changed from r1701619, jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java
Modified:
    jackrabbit/oak/branches/1.0/   (props changed)
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/BlobTest.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CheckpointsTest.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CollisionTest.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CommitQueueTest.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreTest.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevRecoveryAgentTest.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevRecoveryTest.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevSingleNodeRecoveryTest.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/NodeStoreDiffTest.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/SimpleTest.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/UnmergedBranchTest.java

Propchange: jackrabbit/oak/branches/1.0/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Mon Sep  7 13:56:43 2015
@@ -1,3 +1,3 @@
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 1669072,1669096,1669135,1669337,1669361,1669579,1669680,1669989,1670030,1670693,1670705,1671489,1671512,1671773,1671787,1671795,1672055,1672277,1672350,1672468,1672537,1672603,1672642,1672644,1672834-1672835,1673351,1673410,1673431,1673436,1673644,1673662-1673663,1673695,1673713,1673738,1673787,1673791,1674046,1674065,1674075,1674107,1674150,1674780,1675054,1675319,1675332,1675382,1675555,1675566,1676198,1676407,1676458,1676670,1676703,1677579,1677609,1677611,1677774,1677788,1677797,1677804,1677806,1677939,1677991,1678023,1678095-1678096,1678171,1678173,1678211,1678323,1678758,1678938,1678954,1679144,1679147,1679165,1679191,1679232,1679503,1679961,1680170,1680182,1680222,1680232,1680236,1680461,1680633,1680643,1680747,1680805-1680806,1680903,1681282,1681767,1681918,1681955,1682218,1682235,1682437,1682494,1682555,1682855,1682904,1683059,1683089,1683213,1683249,1683259,1683278,1683323,1683687,1683700,1684174,1684376,1684442,1684561,1684570,1684618,1684820,1684836,1684868,1685023,16850
 75,1685370,1685552,1685589-1685590,1685840,1685964,1685977,1685989,1685999,1686023,1686032,1686097,1686229,1686234,1686253,1686414,1686780,1686854,1686857,1686971,1687053,1687175,1687196,1687198,1687220,1687239-1687240,1687301,1687441,1687553,1688090,1688179,1688349,1688421,1688436,1688453,1688622,1688636,1688817,1689003-1689004,1689008,1689577,1689581,1689623,1689774,1689810,1689828,1689831,1689833,1689903,1690017,1690043,1690047,1690057,1690247,1690249,1690634-1690637,1690650,1690669,1690674,1690941,1691139,1691159,1691167,1691183,1691188,1691210,1691307,1691331-1691333,1691345,1691384-1691385,1691401,1691509,1692065,1692133,1692156,1692250,1692274,1692363,1692382,1692478,1692955,1693030,1693209,1693421,1693525-1693526,1694007,1694393,1695050,1695122,1695280,1695299,1695540,1696194,1696242,1696285,1696578,1696759,1696916,1697363,1697373,1697410,1697582,1697589,1697616,1697672,1700191,1700231,1700397,1700506,1700571,1700727,1700749,1700769,1700775,1701619
 /jackrabbit/trunk:1345480

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/BlobTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/BlobTest.java?rev=1701627&r1=1701626&r2=1701627&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/BlobTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/BlobTest.java Mon Sep  7 13:56:43 2015
@@ -29,6 +29,7 @@ import org.apache.jackrabbit.oak.kernel.
 import org.apache.jackrabbit.oak.plugins.blob.BlobStoreBlob;
 import org.apache.jackrabbit.oak.plugins.memory.ArrayBasedBlob;
 import org.apache.jackrabbit.oak.spi.blob.MemoryBlobStore;
+import org.junit.Rule;
 import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -40,6 +41,9 @@ import com.mongodb.DB;
  */
 public class BlobTest {
 
+    @Rule
+    public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider();
+    
     private static final Logger LOG = LoggerFactory.getLogger(RandomizedClusterTest.class);
 
 //     private static final boolean MONGO_DB = true;
@@ -62,7 +66,7 @@ public class BlobTest {
 
     @Test
     public void addBlobs() throws Exception {
-        DocumentMK mk = new DocumentMK.Builder().
+        DocumentMK mk = builderProvider.newBuilder().
                 setMongoDB(openMongoConnection()).open();
         long blobSize = TOTAL_SIZE / DOCUMENT_COUNT;
         ArrayList<String> blobIds = new ArrayList<String>();
@@ -76,13 +80,12 @@ public class BlobTest {
         for (String id : blobIds) {
             assertEquals(blobSize, mk.getLength(id));
         }
-        mk.dispose();
     }
 
     @Test
     public void testBlobSerialization() throws Exception{
         TestBlobStore blobStore = new TestBlobStore();
-        DocumentMK mk = new DocumentMK.Builder().setBlobStore(blobStore).open();
+        DocumentMK mk = builderProvider.newBuilder().setBlobStore(blobStore).open();
         BlobSerializer blobSerializer = mk.getNodeStore().getBlobSerializer();
 
         Blob blob = new BlobStoreBlob(blobStore, "foo");

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CheckpointsTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CheckpointsTest.java?rev=1701627&r1=1701626&r2=1701627&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CheckpointsTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CheckpointsTest.java Mon Sep  7 13:56:43 2015
@@ -26,6 +26,7 @@ import org.apache.jackrabbit.oak.spi.sta
 import org.apache.jackrabbit.oak.stats.Clock;
 import org.junit.Before;
 import org.junit.Ignore;
+import org.junit.Rule;
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
@@ -34,6 +35,9 @@ import static org.junit.Assert.assertNul
 
 public class CheckpointsTest {
 
+    @Rule
+    public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider();
+    
     private Clock clock;
 
     private DocumentNodeStore store;
@@ -41,7 +45,7 @@ public class CheckpointsTest {
     @Before
     public void setUp() throws InterruptedException {
         clock = new Clock.Virtual();
-        store = new DocumentMK.Builder().clock(clock).getNodeStore();
+        store = builderProvider.newBuilder().clock(clock).getNodeStore();
     }
 
     @Test

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CollisionTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CollisionTest.java?rev=1701627&r1=1701626&r2=1701627&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CollisionTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CollisionTest.java Mon Sep  7 13:56:43 2015
@@ -18,7 +18,7 @@ package org.apache.jackrabbit.oak.plugin
 
 import java.util.concurrent.atomic.AtomicInteger;
 
-import org.apache.jackrabbit.oak.plugins.document.util.Utils;
+import org.junit.Rule;
 import org.junit.Test;
 
 import static org.apache.jackrabbit.oak.plugins.document.Collection.NODES;
@@ -28,16 +28,19 @@ import static org.junit.Assert.assertEqu
 
 public class CollisionTest {
 
+    @Rule
+    public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider();
+    
     private static final AtomicInteger COUNTER = new AtomicInteger();
 
     // OAK-2342
     @Test
     public void purge() throws Exception {
-        DocumentMK mk1 = new DocumentMK.Builder().setClusterId(1).open();
+        DocumentMK mk1 = builderProvider.newBuilder().setClusterId(1).open();
         DocumentNodeStore ns1 = mk1.getNodeStore();
         DocumentStore store = ns1.getDocumentStore();
 
-        DocumentMK mk2 = new DocumentMK.Builder().setClusterId(2)
+        DocumentMK mk2 = builderProvider.newBuilder().setClusterId(2)
                 .setDocumentStore(store).open();
         DocumentNodeStore ns2 = mk2.getNodeStore();
 
@@ -49,7 +52,7 @@ public class CollisionTest {
 
         // restart node store
         ns1.dispose();
-        mk1 = new DocumentMK.Builder().setClusterId(1)
+        mk1 = builderProvider.newBuilder().setClusterId(1)
                 .setDocumentStore(store).open();
         ns1 = mk1.getNodeStore();
 
@@ -59,7 +62,7 @@ public class CollisionTest {
 
         // restart other node store
         ns2.dispose();
-        mk2 = new DocumentMK.Builder().setClusterId(2)
+        mk2 = builderProvider.newBuilder().setClusterId(2)
                 .setDocumentStore(store).open();
         ns2 = mk2.getNodeStore();
 

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CommitQueueTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CommitQueueTest.java?rev=1701627&r1=1701626&r2=1701627&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CommitQueueTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CommitQueueTest.java Mon Sep  7 13:56:43 2015
@@ -31,6 +31,7 @@ import org.apache.jackrabbit.oak.spi.com
 import org.apache.jackrabbit.oak.spi.commit.Observer;
 import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
 import org.apache.jackrabbit.oak.spi.state.NodeState;
+import org.junit.Rule;
 import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -43,6 +44,9 @@ import static org.junit.Assert.assertFal
  */
 public class CommitQueueTest {
 
+    @Rule
+    public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider();
+
     private static final Logger LOG = LoggerFactory.getLogger(CommitQueueTest.class);
 
     private static final int NUM_WRITERS = 10;
@@ -53,7 +57,7 @@ public class CommitQueueTest {
 
     @Test
     public void concurrentCommits() throws Exception {
-        final DocumentNodeStore store = new DocumentMK.Builder().getNodeStore();
+        final DocumentNodeStore store = builderProvider.newBuilder().getNodeStore();
         AtomicBoolean running = new AtomicBoolean(true);
 
         Closeable observer = store.addObserver(new Observer() {
@@ -178,7 +182,7 @@ public class CommitQueueTest {
     // OAK-2868
     @Test
     public void branchCommitMustNotBlockTrunkCommit() throws Exception {
-        final DocumentNodeStore ds = new DocumentMK.Builder().getNodeStore();
+        final DocumentNodeStore ds = builderProvider.newBuilder().getNodeStore();
 
         // simulate start of a branch commit
         Commit c = ds.newCommit(ds.getHeadRevision().asBranchRevision(), null);
@@ -201,7 +205,6 @@ public class CommitQueueTest {
         assertFalse("Commit did not succeed within 3 seconds", t.isAlive());
 
         ds.canceled(c);
-        ds.dispose();
         assertNoExceptions();
     }
 

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreTest.java?rev=1701627&r1=1701626&r2=1701627&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreTest.java Mon Sep  7 13:56:43 2015
@@ -49,6 +49,7 @@ import java.util.concurrent.ConcurrentSk
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
@@ -87,10 +88,14 @@ import org.apache.jackrabbit.oak.spi.sta
 import org.apache.jackrabbit.oak.spi.state.NodeStore;
 import org.apache.jackrabbit.oak.stats.Clock;
 import org.junit.After;
+import org.junit.Rule;
 import org.junit.Test;
 
 public class DocumentNodeStoreTest {
 
+    @Rule
+    public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider();
+
     @After
     public void tearDown() {
         Revision.resetClockToDefault();
@@ -110,9 +115,9 @@ public class DocumentNodeStoreTest {
                 return null;
             }
         };
-        final DocumentNodeStore store1 = new DocumentMK.Builder().setAsyncDelay(0)
+        final DocumentNodeStore store1 = builderProvider.newBuilder().setAsyncDelay(0)
                 .setDocumentStore(testStore).setClusterId(1).getNodeStore();
-        DocumentNodeStore store2 = new DocumentMK.Builder().setAsyncDelay(0)
+        DocumentNodeStore store2 = builderProvider.newBuilder().setAsyncDelay(0)
                 .setDocumentStore(docStore).setClusterId(2).getNodeStore();
 
         NodeBuilder builder = store2.getRoot().builder();
@@ -154,14 +159,11 @@ public class DocumentNodeStoreTest {
         root = store1.getRoot();
         // now node2 is visible
         assertTrue(root.hasChildNode("node2"));
-
-        store1.dispose();
-        store2.dispose();
     }
 
     @Test
     public void childNodeCache() throws Exception {
-        DocumentNodeStore store = new DocumentMK.Builder().getNodeStore();
+        DocumentNodeStore store = builderProvider.newBuilder().getNodeStore();
         NodeBuilder builder = store.getRoot().builder();
         int max = (int) (KernelNodeState.MAX_CHILD_NAMES * 1.5);
         SortedSet<String> children = new TreeSet<String>();
@@ -178,7 +180,6 @@ public class DocumentNodeStoreTest {
         store.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY);
         int numEntries = Iterables.size(store.getRoot().getChildNodeEntries());
         assertEquals(max - 1, numEntries);
-        store.dispose();
     }
 
     @Test
@@ -195,7 +196,7 @@ public class DocumentNodeStoreTest {
                 return super.query(collection, fromKey, toKey, limit);
             }
         };
-        DocumentNodeStore store = new DocumentMK.Builder()
+        DocumentNodeStore store = builderProvider.newBuilder()
                 .setDocumentStore(docStore).getNodeStore();
         NodeBuilder root = store.getRoot().builder();
         for (int i = 0; i < 10; i++) {
@@ -215,8 +216,6 @@ public class DocumentNodeStoreTest {
             e.getNodeState();
         }
         assertEquals(0, counter.get());
-
-        store.dispose();
     }
 
     @Test
@@ -238,7 +237,7 @@ public class DocumentNodeStoreTest {
             }
         };
         final List<Exception> exceptions = new ArrayList<Exception>();
-        final DocumentMK mk = new DocumentMK.Builder()
+        final DocumentMK mk = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setAsyncDelay(0).open();
         final DocumentNodeStore store = mk.getNodeStore();
         final String head = mk.commit("/", "+\"foo\":{}+\"bar\":{}", null, null);
@@ -281,20 +280,18 @@ public class DocumentNodeStoreTest {
         doc = docStore.find(NODES, id);
         assertNotNull("document with id " + id + " does not exist", doc);
         assertTrue(!doc.getLastRev().isEmpty());
-
-        mk.dispose();
     }
 
     // OAK-1662
     @Test
     public void getNewestRevision() throws Exception {
         DocumentStore docStore = new MemoryDocumentStore();
-        DocumentNodeStore ns1 = new DocumentMK.Builder()
+        DocumentNodeStore ns1 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setAsyncDelay(0)
                 .setClusterId(1).getNodeStore();
         ns1.getRoot();
         ns1.runBackgroundOperations();
-        DocumentNodeStore ns2 = new DocumentMK.Builder()
+        DocumentNodeStore ns2 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setAsyncDelay(0)
                 .setClusterId(2).getNodeStore();
         ns2.getRoot();
@@ -309,16 +306,13 @@ public class DocumentNodeStoreTest {
         NodeBuilder b2 = ns2.getRoot().builder();
         b2.setProperty("q", "value");
         ns2.merge(b2, EmptyHook.INSTANCE, CommitInfo.EMPTY);
-
-        ns1.dispose();
-        ns2.dispose();
     }
 
     @Test
     public void commitHookChangesOnBranch() throws Exception {
         final int NUM_NODES = DocumentRootBuilder.UPDATE_LIMIT / 2;
         final int NUM_PROPS = 10;
-        DocumentNodeStore ns = new DocumentMK.Builder().getNodeStore();
+        DocumentNodeStore ns = builderProvider.newBuilder().getNodeStore();
         NodeBuilder builder = ns.getRoot().builder();
         for (int i = 0; i < NUM_NODES; i++) {
             NodeBuilder c = builder.child("n" + i);
@@ -368,8 +362,6 @@ public class DocumentNodeStoreTest {
                 assertEquals("test", p.getValue(Type.STRING));
             }
         }
-
-        ns.dispose();
     }
 
     // OAK-1814
@@ -379,14 +371,14 @@ public class DocumentNodeStoreTest {
         clock.waitUntil(System.currentTimeMillis());
         Revision.setClock(clock);
         MemoryDocumentStore docStore = new MemoryDocumentStore();
-        DocumentNodeStore nodeStore1 = new DocumentMK.Builder()
+        DocumentNodeStore nodeStore1 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setClusterId(1)
                 .setAsyncDelay(0).clock(clock).getNodeStore();
         nodeStore1.runBackgroundOperations();
-        DocumentNodeStore nodeStore2 = new DocumentMK.Builder()
+        DocumentNodeStore nodeStore2 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setClusterId(2)
                 .setAsyncDelay(0).clock(clock).getNodeStore();
-        DocumentNodeStore nodeStore3 = new DocumentMK.Builder()
+        DocumentNodeStore nodeStore3 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setClusterId(3)
                 .setAsyncDelay(0).clock(clock).getNodeStore();
 
@@ -412,10 +404,6 @@ public class DocumentNodeStoreTest {
         NodeState state = doc.getNodeAtRevision(nodeStore3,
                 nodeStore3.getHeadRevision(), null);
         assertNotNull(state);
-
-        nodeStore1.dispose();
-        nodeStore2.dispose();
-        nodeStore3.dispose();
     }
 
     @Test
@@ -424,7 +412,7 @@ public class DocumentNodeStoreTest {
         clock.waitUntil(System.currentTimeMillis());
         Revision.setClock(clock);
         MemoryDocumentStore docStore = new MemoryDocumentStore();
-        DocumentNodeStore ns1 = new DocumentMK.Builder()
+        DocumentNodeStore ns1 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setClusterId(1)
                 .setAsyncDelay(0).clock(clock).getNodeStore();
         NodeBuilder builder1 = ns1.getRoot().builder();
@@ -432,7 +420,7 @@ public class DocumentNodeStoreTest {
         ns1.merge(builder1, EmptyHook.INSTANCE, CommitInfo.EMPTY);
         ns1.runBackgroundOperations();
 
-        DocumentNodeStore ns2 = new DocumentMK.Builder()
+        DocumentNodeStore ns2 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setClusterId(2)
                 .setAsyncDelay(0).clock(clock).getNodeStore();
 
@@ -462,9 +450,6 @@ public class DocumentNodeStoreTest {
         doc = docStore.find(NODES, Utils.getIdFromPath("/node"));
         Long mod2 = (Long) doc.get(MODIFIED_IN_SECS);
         assertTrue("" + mod2 + " < " + mod1, mod2 >= mod1);
-
-        ns1.dispose();
-        ns2.dispose();
     }
 
     // OAK-1861
@@ -484,7 +469,7 @@ public class DocumentNodeStoreTest {
                 return super.query(collection, fromKey, toKey, limit);
             }
         };
-        DocumentNodeStore ns = new DocumentMK.Builder()
+        DocumentNodeStore ns = builderProvider.newBuilder()
                 .setDocumentStore(docStore)
                 .setAsyncDelay(0).getNodeStore();
         NodeBuilder builder = ns.getRoot().builder();
@@ -512,14 +497,14 @@ public class DocumentNodeStoreTest {
     @Test
     public void readFromPreviousDoc() throws CommitFailedException {
         DocumentStore docStore = new MemoryDocumentStore();
-        DocumentNodeStore ns = new DocumentMK.Builder()
+        DocumentNodeStore ns = builderProvider.newBuilder()
                 .setDocumentStore(docStore).getNodeStore();
         NodeBuilder builder = ns.getRoot().builder();
         builder.child("test").setProperty("prop", "initial");
         ns.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY);
         ns.dispose();
 
-        ns = new DocumentMK.Builder().setClusterId(2).setAsyncDelay(0)
+        ns = builderProvider.newBuilder().setClusterId(2).setAsyncDelay(0)
                 .setDocumentStore(docStore).getNodeStore();
         builder = ns.getRoot().builder();
         builder.child("test").setProperty("prop", "value");
@@ -558,10 +543,10 @@ public class DocumentNodeStoreTest {
         Revision.setClock(clock);
 
         DocumentStore docStore = new MemoryDocumentStore();
-        DocumentNodeStore ns1 = new DocumentMK.Builder().setAsyncDelay(0)
+        DocumentNodeStore ns1 = builderProvider.newBuilder().setAsyncDelay(0)
                 .clock(clock).setDocumentStore(docStore).setClusterId(1)
                 .getNodeStore();
-        DocumentNodeStore ns2 = new DocumentMK.Builder().setAsyncDelay(0)
+        DocumentNodeStore ns2 = builderProvider.newBuilder().setAsyncDelay(0)
                 .clock(clock).setDocumentStore(docStore).setClusterId(2)
                 .getNodeStore();
 
@@ -614,17 +599,14 @@ public class DocumentNodeStoreTest {
         assertTrue(diff.modified.contains("/test"));
         assertEquals(1, diff.added.size());
         assertTrue(diff.added.contains("/test/foo"));
-
-        ns1.dispose();
-        ns2.dispose();
     }
 
     @Test
     public void updateClusterState() {
         DocumentStore docStore = new MemoryDocumentStore();
-        DocumentNodeStore ns1 = new DocumentMK.Builder().setAsyncDelay(0)
+        DocumentNodeStore ns1 = builderProvider.newBuilder().setAsyncDelay(0)
                 .setDocumentStore(docStore).getNodeStore();
-        DocumentNodeStore ns2 = new DocumentMK.Builder().setAsyncDelay(0)
+        DocumentNodeStore ns2 = builderProvider.newBuilder().setAsyncDelay(0)
                 .setDocumentStore(docStore).getNodeStore();
 
         assertEquals(0, ns1.getInactiveClusterNodes().size());
@@ -637,14 +619,12 @@ public class DocumentNodeStoreTest {
         Map<Integer, Long> inactive = ns2.getInactiveClusterNodes();
         assertEquals(1, inactive.size());
         assertEquals(1, (int) inactive.keySet().iterator().next());
-
-        ns2.dispose();
     }
 
     // OAK-2288
     @Test
     public void mergedBranchVisibility() throws Exception {
-        final DocumentNodeStore store = new DocumentMK.Builder()
+        final DocumentNodeStore store = builderProvider.newBuilder()
                 .setAsyncDelay(0).getNodeStore();
         DocumentStore docStore = store.getDocumentStore();
 
@@ -672,8 +652,6 @@ public class DocumentNodeStoreTest {
 
         // must be visible at the revision of the merged branch
         assertTrue(store.getRoot().getChildNode("test").getChildNode("node").exists());
-
-        store.dispose();
     }
 
     // OAK-2308
@@ -684,7 +662,7 @@ public class DocumentNodeStoreTest {
 
         MemoryDocumentStore docStore = new MemoryDocumentStore();
 
-        DocumentNodeStore store1 = new DocumentMK.Builder()
+        DocumentNodeStore store1 = builderProvider.newBuilder()
                 .setDocumentStore(docStore)
                 .setAsyncDelay(0).clock(clock).getNodeStore();
 
@@ -712,14 +690,11 @@ public class DocumentNodeStoreTest {
         agent.recover(store1.getClusterId());
 
         // start a second store
-        DocumentNodeStore store2 = new DocumentMK.Builder()
+        DocumentNodeStore store2 = builderProvider.newBuilder()
                 .setDocumentStore(docStore)
                 .setAsyncDelay(0).clock(clock).getNodeStore();
         // must see /test/node
         assertTrue(store2.getRoot().getChildNode("test").getChildNode("node").exists());
-
-        store2.dispose();
-        store1.dispose();
     }
 
     // OAK-2336
@@ -734,7 +709,7 @@ public class DocumentNodeStoreTest {
                 return super.find(collection, key);
             }
         };
-        DocumentNodeStore ns = new DocumentMK.Builder()
+        DocumentNodeStore ns = builderProvider.newBuilder()
                 .setDocumentStore(store).setAsyncDelay(0).getNodeStore();
         NodeBuilder builder = ns.getRoot().builder();
         String testId = Utils.getIdFromPath("/test");
@@ -770,8 +745,6 @@ public class DocumentNodeStoreTest {
                 fail("must not access previous document: " + id);
             }
         }
-
-        ns.dispose();
     }
 
     // OAK-2345
@@ -781,7 +754,7 @@ public class DocumentNodeStoreTest {
         clock.waitUntil(System.currentTimeMillis());
         Revision.setClock(clock);
         MemoryDocumentStore docStore = new MemoryDocumentStore();
-        DocumentNodeStore ns1 = new DocumentMK.Builder()
+        DocumentNodeStore ns1 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setClusterId(1)
                 .setAsyncDelay(0).clock(clock).getNodeStore();
         NodeBuilder builder = ns1.getRoot().builder();
@@ -791,7 +764,7 @@ public class DocumentNodeStoreTest {
         ns1.dispose();
 
         // start other cluster node
-        DocumentNodeStore ns2 = new DocumentMK.Builder()
+        DocumentNodeStore ns2 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setClusterId(2)
                 .setAsyncDelay(0).clock(clock).getNodeStore();
         assertNotNull(ns2.getRevisionComparator().getRevisionSeen(r));
@@ -802,12 +775,11 @@ public class DocumentNodeStoreTest {
                 + REMEMBER_REVISION_ORDER_MILLIS + 1000);
 
         // start cluster 2 again
-        ns2 = new DocumentMK.Builder()
+        ns2 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setClusterId(2)
                 .setAsyncDelay(0).clock(clock).getNodeStore();
         // now r is considered old and revisionSeen is null
         assertNull(ns2.getRevisionComparator().getRevisionSeen(r));
-        ns2.dispose();
     }
 
     // OAK-1782
@@ -827,7 +799,7 @@ public class DocumentNodeStoreTest {
                 return super.query(collection, fromKey, toKey, indexedProperty, startValue, limit);
             }
         };
-        final DocumentNodeStore ns = new DocumentMK.Builder()
+        final DocumentNodeStore ns = builderProvider.newBuilder()
                 .setDocumentStore(store).getNodeStore();
         NodeBuilder builder = ns.getRoot().builder();
         // make sure we have enough children to trigger diffManyChildren
@@ -872,8 +844,6 @@ public class DocumentNodeStoreTest {
         // 1) query the first 50 children to find out there are many
         // 2) query for the changed children between the two revisions
         assertTrue(numQueries.get() <= 2);
-
-        store.dispose();
     }
 
     // OAK-2359
@@ -888,7 +858,7 @@ public class DocumentNodeStoreTest {
                 return super.find(collection, key);
             }
         };
-        DocumentNodeStore store = new DocumentMK.Builder()
+        DocumentNodeStore store = builderProvider.newBuilder()
                 .setClusterId(1).setAsyncDelay(0)
                 .setDocumentStore(docStore).getNodeStore();
 
@@ -921,8 +891,6 @@ public class DocumentNodeStoreTest {
         reads.clear();
         doc.getValueMap("foo").get(removedAt);
         assertNoPreviousDocs(reads);
-
-        store.dispose();
     }
 
     @Test
@@ -992,7 +960,7 @@ public class DocumentNodeStoreTest {
                 return super.find(collection, key);
             }
         };
-        DocumentNodeStore store = new DocumentMK.Builder()
+        DocumentNodeStore store = builderProvider.newBuilder()
                 .setClusterId(1).setAsyncDelay(0)
                 .setDocumentStore(docStore).getNodeStore();
 
@@ -1030,8 +998,6 @@ public class DocumentNodeStoreTest {
         assertEquals("Should not go to DocStore::find when doc child cache is filled by reading",
                 0, reads.size());
         assertFalse("Non existing children should be reported as such", nonExistingChild.exists());
-
-        store.dispose();
     }
 
     @Test
@@ -1045,7 +1011,7 @@ public class DocumentNodeStoreTest {
                 return super.find(collection, key);
             }
         };
-        DocumentNodeStore store = new DocumentMK.Builder()
+        DocumentNodeStore store = builderProvider.newBuilder()
                 .setUseSimpleRevision(true)
                 .setClusterId(1).setAsyncDelay(0)
                 .setDocumentStore(docStore).getNodeStore();
@@ -1071,7 +1037,6 @@ public class DocumentNodeStoreTest {
         assertTrue("DocStore should be queried when no doc child cache entry has all children",
                 reads.size() > 0);
         assertFalse("Non existing children should be reported as such", nonExistingChild.exists());
-        store.dispose();
     }
 
     @Test
@@ -1108,7 +1073,7 @@ public class DocumentNodeStoreTest {
             }
 
         };
-        DocumentNodeStore store = new DocumentMK.Builder()
+        DocumentNodeStore store = builderProvider.newBuilder()
                 .setUseSimpleRevision(true)
                 .setClusterId(1).setAsyncDelay(0)
                 .setDocumentStore(docStore).getNodeStore();
@@ -1141,257 +1106,218 @@ public class DocumentNodeStoreTest {
         NodeState existingChild = parentNodeState.getChildNode("child25");
         assertTrue("Fully cached entry in doc child cache should be able to find existing children" + " even if doc store sort order is incompatible to that of Java", reads.size() > 0);
         assertTrue("Existing children should be reported as such", existingChild.exists());
-
-        store.dispose();
     }
 
     @Test
     public void mergeInternalDocAcrossCluster() throws Exception {
         MemoryDocumentStore docStore = new MemoryDocumentStore();
-        final DocumentNodeStore store1 = new DocumentMK.Builder()
+        final DocumentNodeStore store1 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setAsyncDelay(0)
                 .setClusterId(1)
                 .getNodeStore();
         store1.setEnableConcurrentAddRemove(true);
-        final DocumentNodeStore store2 = new DocumentMK.Builder()
+        final DocumentNodeStore store2 = builderProvider.newBuilder()
                 .setDocumentStore(docStore).setAsyncDelay(0)
                 .setClusterId(2)
                 .getNodeStore();
         store2.setEnableConcurrentAddRemove(true);
-        try {
 
-            NodeState root;
-            NodeBuilder builder;
+        NodeState root;
+        NodeBuilder builder;
 
-            //Prepare repo
-            root = store1.getRoot();
-            builder = root.builder();
-            builder.child(":hidden").child("deleteDeleted");
-            builder.child(":hidden").child("deleteChanged");
-            builder.child(":hidden").child("changeDeleted");
-            merge(store1, builder);
-            store1.runBackgroundOperations();
-            store2.runBackgroundOperations();
+        //Prepare repo
+        root = store1.getRoot();
+        builder = root.builder();
+        builder.child(":hidden").child("deleteDeleted");
+        builder.child(":hidden").child("deleteChanged");
+        builder.child(":hidden").child("changeDeleted");
+        merge(store1, builder);
+        store1.runBackgroundOperations();
+        store2.runBackgroundOperations();
 
-            //Changes in store1
-            root = store1.getRoot();
-            builder = root.builder();
-            builder.child("visible");
-            builder.child(":hidden").child("b");
-            builder.child(":hidden").child("deleteDeleted").remove();
-            builder.child(":hidden").child("changeDeleted").remove();
-            builder.child(":hidden").child("deleteChanged").setProperty("foo", "bar");
-            builder.child(":dynHidden").child("c");
-            builder.child(":dynHidden").child("childWithProp").setProperty("foo", "bar");
-            merge(store1, builder);
+        //Changes in store1
+        root = store1.getRoot();
+        builder = root.builder();
+        builder.child("visible");
+        builder.child(":hidden").child("b");
+        builder.child(":hidden").child("deleteDeleted").remove();
+        builder.child(":hidden").child("changeDeleted").remove();
+        builder.child(":hidden").child("deleteChanged").setProperty("foo", "bar");
+        builder.child(":dynHidden").child("c");
+        builder.child(":dynHidden").child("childWithProp").setProperty("foo", "bar");
+        merge(store1, builder);
 
-            //Changes in store2
+        //Changes in store2
 
-            //root would hold reference to store2 root state after initial repo initialization
-            root = store2.getRoot();
+        //root would hold reference to store2 root state after initial repo initialization
+        root = store2.getRoot();
 
-            //The hidden node itself should be creatable across cluster concurrently
+        //The hidden node itself should be creatable across cluster concurrently
+        builder = root.builder();
+        builder.child(":dynHidden");
+        merge(store2, builder);
+
+        //Children of hidden node should be creatable across cluster concurrently
+        builder = root.builder();
+        builder.child(":hidden").child("b");
+        builder.child(":dynHidden").child("c");
+        merge(store2, builder);
+
+        //Deleted deleted conflict of internal node should work across cluster concurrently
+        builder = root.builder();
+        builder.child(":hidden").child("deleteDeleted").remove();
+        merge(store2, builder);
+
+        //Avoid repeated merge tries ... fail early
+        store2.setMaxBackOffMillis(0);
+
+        boolean commitFailed = false;
+        try {
             builder = root.builder();
-            builder.child(":dynHidden");
+            builder.child("visible");
             merge(store2, builder);
+        } catch (CommitFailedException cfe) {
+            commitFailed = true;
+        }
+        assertTrue("Concurrent creation of visible node across cluster must fail", commitFailed);
 
-            //Children of hidden node should be creatable across cluster concurrently
+        commitFailed = false;
+        try {
             builder = root.builder();
-            builder.child(":hidden").child("b");
-            builder.child(":dynHidden").child("c");
+            builder.child(":dynHidden").child("childWithProp").setProperty("foo", "bar");
             merge(store2, builder);
+        } catch (CommitFailedException cfe) {
+            commitFailed = true;
+        }
+        assertTrue("Concurrent creation of hidden node with properties across cluster must fail", commitFailed);
 
-            //Deleted deleted conflict of internal node should work across cluster concurrently
+        commitFailed = false;
+        try {
             builder = root.builder();
-            builder.child(":hidden").child("deleteDeleted").remove();
+            builder.child(":hidden").child("deleteChanged").remove();
             merge(store2, builder);
+        } catch (CommitFailedException cfe) {
+            commitFailed = true;
+        }
+        assertTrue("Delete changed merge across cluster must fail even under hidden tree", commitFailed);
 
-            //Avoid repeated merge tries ... fail early
-            store2.setMaxBackOffMillis(0);
-
-            boolean commitFailed = false;
-            try {
-                builder = root.builder();
-                builder.child("visible");
-                merge(store2, builder);
-            } catch (CommitFailedException cfe) {
-                commitFailed = true;
-            }
-            assertTrue("Concurrent creation of visible node across cluster must fail", commitFailed);
-
-            commitFailed = false;
-            try {
-                builder = root.builder();
-                builder.child(":dynHidden").child("childWithProp").setProperty("foo", "bar");
-                merge(store2, builder);
-            } catch (CommitFailedException cfe) {
-                commitFailed = true;
-            }
-            assertTrue("Concurrent creation of hidden node with properties across cluster must fail", commitFailed);
-
-            commitFailed = false;
-            try {
-                builder = root.builder();
-                builder.child(":hidden").child("deleteChanged").remove();
-                merge(store2, builder);
-            } catch (CommitFailedException cfe) {
-                commitFailed = true;
-            }
-            assertTrue("Delete changed merge across cluster must fail even under hidden tree", commitFailed);
-
-            commitFailed = false;
-            try {
-                builder = root.builder();
-                builder.child(":hidden").child("changeDeleted").setProperty("foo", "bar");
-                merge(store2, builder);
-            } catch (CommitFailedException cfe) {
-                commitFailed = true;
-            }
-            assertTrue("Change deleted merge across cluster must fail even under hidden tree", commitFailed);
-        } finally {
-            store2.dispose();
-            store1.dispose();
+        commitFailed = false;
+        try {
+            builder = root.builder();
+            builder.child(":hidden").child("changeDeleted").setProperty("foo", "bar");
+            merge(store2, builder);
+        } catch (CommitFailedException cfe) {
+            commitFailed = true;
         }
+        assertTrue("Change deleted merge across cluster must fail even under hidden tree", commitFailed);
     }
 
     @Test
     public void mergeDeleteDeleteEmptyInternalDoc() throws Exception {
-        final DocumentNodeStore store = new DocumentMK.Builder().getNodeStore();
+        final DocumentNodeStore store = builderProvider.newBuilder().getNodeStore();
         store.setEnableConcurrentAddRemove(true);
-        try {
-            NodeBuilder builder = store.getRoot().builder();
-            builder.child(":a");
-            builder.child(":b");
-            merge(store, builder);
-            SingleInstanceConflictUtility.generateConflict(store,
-                    new String[]{":1"}, new String[]{":a"},
-                    new String[]{":2"}, new String[]{":b"},
-                    new String[]{":3"}, new String[]{":a", ":b"},
-                    true, "Delete-delete merge conflicts for internal docs should be resolved");
-        } finally {
-            store.dispose();
-        }
+        NodeBuilder builder = store.getRoot().builder();
+        builder.child(":a");
+        builder.child(":b");
+        merge(store, builder);
+        SingleInstanceConflictUtility.generateConflict(store,
+                new String[]{":1"}, new String[]{":a"},
+                new String[]{":2"}, new String[]{":b"},
+                new String[]{":3"}, new String[]{":a", ":b"},
+                true, "Delete-delete merge conflicts for internal docs should be resolved");
     }
 
     @Test
     public void mergeDeleteDeleteNonEmptyInternalDocShouldFail() throws Exception {
-        final DocumentNodeStore store = new DocumentMK.Builder().getNodeStore();
+        final DocumentNodeStore store = builderProvider.newBuilder().getNodeStore();
         store.setEnableConcurrentAddRemove(true);
-        try {
-            NodeBuilder builder = store.getRoot().builder();
-            builder.child(":a").setProperty("foo", "bar");
-            builder.child(":b");
-            merge(store, builder);
-            SingleInstanceConflictUtility.generateConflict(store,
-                    new String[]{":1"}, new String[]{":a"},
-                    new String[]{":2"}, new String[]{":b"},
-                    new String[]{":3"}, new String[]{":a", ":b"},
-                    false, "Delete-delete merge conflicts for non-empty internal docs should fail");
-        } finally {
-            store.dispose();
-        }
+        NodeBuilder builder = store.getRoot().builder();
+        builder.child(":a").setProperty("foo", "bar");
+        builder.child(":b");
+        merge(store, builder);
+        SingleInstanceConflictUtility.generateConflict(store,
+                new String[]{":1"}, new String[]{":a"},
+                new String[]{":2"}, new String[]{":b"},
+                new String[]{":3"}, new String[]{":a", ":b"},
+                false, "Delete-delete merge conflicts for non-empty internal docs should fail");
     }
 
     @Test
     public void mergeDeleteDeleteNormalDocShouldFail() throws Exception {
-        final DocumentNodeStore store = new DocumentMK.Builder().getNodeStore();
+        final DocumentNodeStore store = builderProvider.newBuilder().getNodeStore();
         store.setEnableConcurrentAddRemove(true);
-        try {
-            NodeBuilder builder = store.getRoot().builder();
-            builder.child("a");
-            builder.child("b");
-            merge(store, builder);
-            SingleInstanceConflictUtility.generateConflict(store,
-                    new String[]{":1"}, new String[]{"a"},
-                    new String[]{":2"}, new String[]{"b"},
-                    new String[]{":3"}, new String[]{"a", "b"},
-                    false, "Delete-delete merge conflicts for normal docs should fail");
-        } finally {
-            store.dispose();
-        }
+        NodeBuilder builder = store.getRoot().builder();
+        builder.child("a");
+        builder.child("b");
+        merge(store, builder);
+        SingleInstanceConflictUtility.generateConflict(store,
+                new String[]{":1"}, new String[]{"a"},
+                new String[]{":2"}, new String[]{"b"},
+                new String[]{":3"}, new String[]{"a", "b"},
+                false, "Delete-delete merge conflicts for normal docs should fail");
     }
 
     @Test
     public void mergeAddAddEmptyInternalDoc() throws Exception {
-        final DocumentNodeStore store = new DocumentMK.Builder().getNodeStore();
+        final DocumentNodeStore store = builderProvider.newBuilder().getNodeStore();
         store.setEnableConcurrentAddRemove(true);
-        try {
-            SingleInstanceConflictUtility.generateConflict(store,
-                    new String[]{":1", ":a"}, new String[]{},
-                    new String[]{":2", ":b"}, new String[]{},
-                    new String[]{":3", ":a", ":b"}, new String[]{},
-                    true, "Add-add merge conflicts for internal docs should be resolvable");
-        } finally {
-            store.dispose();
-        }
+        SingleInstanceConflictUtility.generateConflict(store,
+                new String[]{":1", ":a"}, new String[]{},
+                new String[]{":2", ":b"}, new String[]{},
+                new String[]{":3", ":a", ":b"}, new String[]{},
+                true, "Add-add merge conflicts for internal docs should be resolvable");
     }
 
     @Test
     public void mergeAddAddNonEmptyInternalDocShouldFail() throws Exception {
-        final DocumentNodeStore store = new DocumentMK.Builder().getNodeStore();
+        final DocumentNodeStore store = builderProvider.newBuilder().getNodeStore();
         store.setEnableConcurrentAddRemove(true);
-        try {
-            SingleInstanceConflictUtility.generateConflict(store,
-                    new String[]{":1", ":a"}, new String[]{}, true,
-                    new String[]{":2", ":b"}, new String[]{}, true,
-                    new String[]{":3", ":a", ":b"}, new String[]{}, false,
-                    false, "Add-add merge conflicts for non empty internal docs should fail");
-        } finally {
-            store.dispose();
-        }
+        SingleInstanceConflictUtility.generateConflict(store,
+                new String[]{":1", ":a"}, new String[]{}, true,
+                new String[]{":2", ":b"}, new String[]{}, true,
+                new String[]{":3", ":a", ":b"}, new String[]{}, false,
+                false, "Add-add merge conflicts for non empty internal docs should fail");
     }
 
     @Test
     public void mergeAddAddNormalDocShouldFail() throws Exception {
-        final DocumentNodeStore store = new DocumentMK.Builder().getNodeStore();
+        final DocumentNodeStore store = builderProvider.newBuilder().getNodeStore();
         store.setEnableConcurrentAddRemove(true);
-        try {
-            SingleInstanceConflictUtility.generateConflict(store,
-                    new String[]{":1", "a"}, new String[]{},
-                    new String[]{":2", "b"}, new String[]{},
-                    new String[]{":3", "a", "b"}, new String[]{},
-                    false, "Add-add merge conflicts for normal docs should fail");
-        } finally {
-            store.dispose();
-        }
+        SingleInstanceConflictUtility.generateConflict(store,
+                new String[]{":1", "a"}, new String[]{},
+                new String[]{":2", "b"}, new String[]{},
+                new String[]{":3", "a", "b"}, new String[]{},
+                false, "Add-add merge conflicts for normal docs should fail");
     }
 
     @Test
     public void mergeDeleteChangedInternalDocShouldFail() throws Exception {
-        final DocumentNodeStore store = new DocumentMK.Builder().getNodeStore();
+        final DocumentNodeStore store = builderProvider.newBuilder().getNodeStore();
         store.setEnableConcurrentAddRemove(true);
-        try {
-            NodeBuilder builder = store.getRoot().builder();
-            builder.child(":a");
-            builder.child(":b");
-            merge(store, builder);
-            SingleInstanceConflictUtility.generateConflict(store,
-                    new String[]{":1", ":a"}, new String[]{}, true,
-                    new String[]{":2", ":b"}, new String[]{}, true,
-                    new String[]{":3"}, new String[]{":a", ":b"}, false,
-                    false, "Delete changed merge conflicts for internal docs should fail");
-        } finally {
-            store.dispose();
-        }
+        NodeBuilder builder = store.getRoot().builder();
+        builder.child(":a");
+        builder.child(":b");
+        merge(store, builder);
+        SingleInstanceConflictUtility.generateConflict(store,
+                new String[]{":1", ":a"}, new String[]{}, true,
+                new String[]{":2", ":b"}, new String[]{}, true,
+                new String[]{":3"}, new String[]{":a", ":b"}, false,
+                false, "Delete changed merge conflicts for internal docs should fail");
     }
 
     @Test
     public void mergeChangeDeletedInternalDocShouldFail() throws Exception {
-        final DocumentNodeStore store = new DocumentMK.Builder().getNodeStore();
+        final DocumentNodeStore store = builderProvider.newBuilder().getNodeStore();
         store.setEnableConcurrentAddRemove(true);
-        try {
-            NodeBuilder builder = store.getRoot().builder();
-            builder.child(":a");
-            builder.child(":b");
-            merge(store, builder);
-            SingleInstanceConflictUtility.generateConflict(store,
-                    new String[]{":1"}, new String[]{":a"}, false,
-                    new String[]{":2"}, new String[]{":b"}, false,
-                    new String[]{":3", ":a", ":b"}, new String[]{}, true,
-                    false, "Change deleted merge conflicts for internal docs should fail");
-        } finally {
-            store.dispose();
-        }
+        NodeBuilder builder = store.getRoot().builder();
+        builder.child(":a");
+        builder.child(":b");
+        merge(store, builder);
+        SingleInstanceConflictUtility.generateConflict(store,
+                new String[]{":1"}, new String[]{":a"}, false,
+                new String[]{":2"}, new String[]{":b"}, false,
+                new String[]{":3", ":a", ":b"}, new String[]{}, true,
+                false, "Change deleted merge conflicts for internal docs should fail");
     }
 
     /**
@@ -1573,22 +1499,30 @@ public class DocumentNodeStoreTest {
     @Test
     public void dispose() throws CommitFailedException, InterruptedException {
         final BlockingQueue<String> updates = new ArrayBlockingQueue<String>(1);
+        // when disposing of the DocumentNodeStore instances the updates queue
+        // becomes full due to the pending operations being flushed.
+        // This flag ensures that after the main test is completed all
+        // updates are processed without being blocked
+        final AtomicBoolean throttleUpdates = new AtomicBoolean(true);
         MemoryDocumentStore docStore = new MemoryDocumentStore() {
             @Override
             public <T extends Document> void update(Collection<T> collection,
                                                     List<String> keys,
                                                     UpdateOp updateOp) {
-                for (String k : keys) {
-                    try {
-                        updates.put(k);
-                    } catch (InterruptedException e) {
-                        throw new RuntimeException(e);
+                
+                if ( throttleUpdates.get() ) {
+                    for (String k : keys) {
+                        try {
+                            updates.put(k);
+                        } catch (InterruptedException e) {
+                            throw new RuntimeException(e);
+                        }
                     }
                 }
                 super.update(collection, keys, updateOp);
             }
         };
-        final DocumentNodeStore store = new DocumentMK.Builder()
+        final DocumentNodeStore store = builderProvider.newBuilder()
                 .setClusterId(1).setAsyncDelay(0)
                 .setDocumentStore(docStore).getNodeStore();
         updates.clear();
@@ -1636,7 +1570,7 @@ public class DocumentNodeStoreTest {
         }
 
         // start new store with clusterId 2
-        DocumentNodeStore store2 = new DocumentMK.Builder()
+        DocumentNodeStore store2 = builderProvider.newBuilder()
                 .setClusterId(2).setAsyncDelay(0)
                 .setDocumentStore(docStore).getNodeStore();
 
@@ -1655,12 +1589,13 @@ public class DocumentNodeStoreTest {
             node.child("child-2");
             merge(store2, builder);
         }
+        throttleUpdates.set(false);
     }
 
     // OAK-2695
     @Test
     public void dispatch() throws Exception {
-        DocumentNodeStore ns = new DocumentMK.Builder().getNodeStore();
+        DocumentNodeStore ns = builderProvider.newBuilder().getNodeStore();
 
         Revision from = ns.getHeadRevision();
         NodeBuilder builder = ns.getRoot().builder();
@@ -1679,13 +1614,11 @@ public class DocumentNodeStoreTest {
                 return true;
             }
         });
-
-        ns.dispose();
     }
 
     @Test
     public void rootRevision() throws Exception {
-        DocumentNodeStore ns = new DocumentMK.Builder().getNodeStore();
+        DocumentNodeStore ns = builderProvider.newBuilder().getNodeStore();
 
         NodeBuilder builder = ns.getRoot().builder();
         builder.child("foo").child("child");
@@ -1701,8 +1634,6 @@ public class DocumentNodeStoreTest {
         assertTrue(child instanceof DocumentNodeState);
         DocumentNodeState state = (DocumentNodeState) child;
         assertEquals(head, state.getRootRevision());
-
-        ns.dispose();
     }
 
     @Test
@@ -1719,7 +1650,7 @@ public class DocumentNodeStoreTest {
                 return super.query(collection, fromKey, toKey, limit);
             }
         };
-        DocumentNodeStore ns = new DocumentMK.Builder()
+        DocumentNodeStore ns = builderProvider.newBuilder()
                 .setDocumentStore(store).setAsyncDelay(0).getNodeStore();
 
         NodeBuilder builder = ns.getRoot().builder();
@@ -1755,9 +1686,6 @@ public class DocumentNodeStoreTest {
         assertEquals(1, added.size());
         assertEquals("node", added.get(0));
         assertEquals("must not run queries", 0, numQueries.get());
-
-        ns.dispose();
-
     }
 
     // OAK-1970
@@ -1782,7 +1710,7 @@ public class DocumentNodeStoreTest {
                 return super.query(collection, fromKey, toKey, indexedProperty, startValue, limit);
             }
         };
-        DocumentNodeStore ns = new DocumentMK.Builder().clock(clock)
+        DocumentNodeStore ns = builderProvider.newBuilder().clock(clock)
                 .setDocumentStore(ds).setAsyncDelay(0).getNodeStore();
 
         NodeBuilder builder = ns.getRoot().builder();
@@ -1821,8 +1749,6 @@ public class DocumentNodeStoreTest {
         // startValue must be based on the revision of the before state
         // and not when '/test' was last modified
         assertEquals(beforeModified, (long) startValues.get(0));
-
-        ns.dispose();
     }
 
     // OAK-2620
@@ -1848,7 +1774,7 @@ public class DocumentNodeStoreTest {
                 return super.findAndUpdate(collection, update);
             }
         };
-        DocumentNodeStore ds = new DocumentMK.Builder()
+        DocumentNodeStore ds = builderProvider.newBuilder()
                 .setDocumentStore(store)
                 .setAsyncDelay(0).getNodeStore();
         ds.setMaxBackOffMillis(0); // do not retry merges
@@ -1887,8 +1813,6 @@ public class DocumentNodeStoreTest {
             // expected
         }
 
-        ds.dispose();
-
         for (String s : failure) {
             fail(s);
         }

Copied: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java (from r1701619, jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java)
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java?p2=jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java&p1=jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java&r1=1701619&r2=1701627&rev=1701627&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java Mon Sep  7 13:56:43 2015
@@ -153,9 +153,4 @@ public class DocumentStoreWrapper implem
     public Map<String, String> getMetadata() {
         return store.getMetadata();
     }
-
-    @Override
-    public long determineServerTimeDifferenceMillis() {
-        return store.determineServerTimeDifferenceMillis();
-    }
 }

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevRecoveryAgentTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevRecoveryAgentTest.java?rev=1701627&r1=1701626&r2=1701627&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevRecoveryAgentTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevRecoveryAgentTest.java Mon Sep  7 13:56:43 2015
@@ -82,23 +82,31 @@ public class LastRevRecoveryAgentTest {
         ClusterNodeInfo.setClock(clock);
         Revision.setClock(clock);
         sharedStore = fixture.createDocumentStore();
+        DocumentStoreWrapper store = new DocumentStoreWrapper(sharedStore) {
+            @Override
+            public void dispose() {
+                // do not dispose when called by DocumentNodeStore
+            }
+        };
         ds1 = new DocumentMK.Builder()
                 .setAsyncDelay(0)
                 .clock(clock)
-                .setDocumentStore(sharedStore)
+                .setDocumentStore(store)
                 .getNodeStore();
         c1Id = ds1.getClusterId();
 
         ds2 = new DocumentMK.Builder()
                 .setAsyncDelay(0)
                 .clock(clock)
-                .setDocumentStore(sharedStore)
+                .setDocumentStore(store)
                 .getNodeStore();
         c2Id = ds2.getClusterId();
     }
 
     @After
     public void tearDown(){
+        ds1.dispose();
+        ds2.dispose();
         sharedStore.dispose();
         ClusterNodeInfo.resetClockToDefault();
         Revision.resetClockToDefault();

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevRecoveryTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevRecoveryTest.java?rev=1701627&r1=1701626&r2=1701627&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevRecoveryTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevRecoveryTest.java Mon Sep  7 13:56:43 2015
@@ -26,6 +26,7 @@ import org.apache.jackrabbit.oak.spi.com
 import org.apache.jackrabbit.oak.spi.commit.EmptyHook;
 import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
@@ -33,6 +34,9 @@ import static org.junit.Assert.assertNot
 import static org.junit.Assert.assertNull;
 
 public class LastRevRecoveryTest {
+    @Rule
+    public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider();
+
     private DocumentNodeStore ds1;
     private DocumentNodeStore ds2;
     private int c1Id;
@@ -42,13 +46,13 @@ public class LastRevRecoveryTest {
     @Before
     public void setUp(){
         sharedStore = new MemoryDocumentStore();
-        ds1 = new DocumentMK.Builder()
+        ds1 = builderProvider.newBuilder()
                 .setAsyncDelay(0)
                 .setDocumentStore(sharedStore)
                 .getNodeStore();
         c1Id = ds1.getClusterId();
 
-        ds2 = new DocumentMK.Builder()
+        ds2 = builderProvider.newBuilder()
                 .setAsyncDelay(0)
                 .setDocumentStore(sharedStore)
                 .getNodeStore();

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevSingleNodeRecoveryTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevSingleNodeRecoveryTest.java?rev=1701627&r1=1701626&r2=1701627&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevSingleNodeRecoveryTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LastRevSingleNodeRecoveryTest.java Mon Sep  7 13:56:43 2015
@@ -46,6 +46,8 @@ public class LastRevSingleNodeRecoveryTe
 
     private DocumentMK mk;
 
+    private DocumentMK mk2;
+
     public LastRevSingleNodeRecoveryTest(DocumentStoreFixture fixture) {
         this.fixture = fixture;
     }
@@ -111,13 +113,14 @@ public class LastRevSingleNodeRecoveryTe
         // so that the current time is more than the current lease end
         clock.waitUntil(clock.getTime() + mk.getClusterInfo().getLeaseTime() + 1000);
         // Recreate mk instance, to simulate fail condition and recovery on start
-        mk = openMK(0, mk.getNodeStore().getDocumentStore());
+        // Make sure to use a different variable for cleanup ; mk should not be disposed here
+        mk2 = openMK(0, mk.getNodeStore().getDocumentStore());
 
-        int pendingCount = mk.getPendingWriteCount();
+        int pendingCount = mk2.getPendingWriteCount();
         // Immediately check again, now should not have done any changes.
-        LastRevRecoveryAgent recoveryAgent = mk.getNodeStore().getLastRevRecoveryAgent();
+        LastRevRecoveryAgent recoveryAgent = mk2.getNodeStore().getLastRevRecoveryAgent();
         /** Now there should have been pendingCount updates **/
-        assertEquals(pendingCount, recoveryAgent.recover(mk.getClusterInfo().getId()));
+        assertEquals(pendingCount, recoveryAgent.recover(mk2.getClusterInfo().getId()));
     }
 
     @Test
@@ -222,6 +225,9 @@ public class LastRevSingleNodeRecoveryTe
         Revision.resetClockToDefault();
         ClusterNodeInfo.resetClockToDefault();
         mk.dispose();
+        if ( mk2 != null ) {
+            mk2.dispose();
+        }
         fixture.dispose();
     }
 }

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/NodeStoreDiffTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/NodeStoreDiffTest.java?rev=1701627&r1=1701626&r2=1701627&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/NodeStoreDiffTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/NodeStoreDiffTest.java Mon Sep  7 13:56:43 2015
@@ -39,17 +39,21 @@ import org.apache.jackrabbit.oak.spi.sta
 import org.apache.jackrabbit.oak.spi.state.NodeState;
 import org.apache.jackrabbit.oak.spi.state.NodeStore;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 
 import static org.junit.Assert.assertFalse;
 
 public class NodeStoreDiffTest {
+    @Rule
+    public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider();
+
     private NodeStore ns;
     private final TestDocumentStore tds = new TestDocumentStore();
 
     @Before
     public void setUp() throws IOException {
-        ns = new DocumentMK.Builder()
+        ns = builderProvider.newBuilder()
                 .setDocumentStore(tds)
                 .setUseSimpleRevision(true) //To simplify debugging
                 .setAsyncDelay(0)

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/SimpleTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/SimpleTest.java?rev=1701627&r1=1701626&r2=1701627&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/SimpleTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/SimpleTest.java Mon Sep  7 13:56:43 2015
@@ -31,6 +31,7 @@ import org.apache.jackrabbit.oak.api.Typ
 import org.apache.jackrabbit.oak.commons.json.JsopBuilder;
 import org.apache.jackrabbit.oak.plugins.document.DocumentNodeState.Children;
 import org.apache.jackrabbit.oak.plugins.document.util.Utils;
+import org.junit.Rule;
 import org.junit.Test;
 
 import com.google.common.collect.Lists;
@@ -41,16 +42,13 @@ import com.mongodb.DB;
  */
 public class SimpleTest {
 
+    @Rule
+    public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider();
+    
     private static final boolean MONGO_DB = false;
     // private static final boolean MONGO_DB = true;
 
     @Test
-    public void test() {
-        DocumentMK mk = new DocumentMK.Builder().open();
-        mk.dispose();
-    }
-
-    @Test
     public void pathToId() {
         assertEquals("0:/", Utils.getIdFromPath("/"));
         assertEquals("/", Utils.getPathFromId("0:/"));
@@ -72,7 +70,7 @@ public class SimpleTest {
 
     @Test
     public void addNodeGetNode() {
-        DocumentMK mk = new DocumentMK.Builder().open();
+        DocumentMK mk = builderProvider.newBuilder().open();
         DocumentStore s = mk.getDocumentStore();
         DocumentNodeStore ns = mk.getNodeStore();
         Revision rev = Revision.fromString(mk.getHeadRevision());
@@ -87,7 +85,6 @@ public class SimpleTest {
         PropertyState p = n2.getProperty("name");
         assertNotNull(p);
         assertEquals("Hello", p.getValue(Type.STRING));
-        mk.dispose();
     }
 
     @Test
@@ -120,8 +117,6 @@ public class SimpleTest {
         assertEquals("{\":id\":\"/test/a@r4-0-1\",\"x\":1,\":childNodeCount\":0}", r4);
         r4 = mk.getNodes("/test/b", rev4, 0, 0, Integer.MAX_VALUE, ":id");
         assertEquals("{\":id\":\"/test/b@r3-0-1\",\":childNodeCount\":0}", r4);
-
-        mk.dispose();
     }
 
     @Test
@@ -137,7 +132,6 @@ public class SimpleTest {
         // the previous commit should be rolled back now,
         // so this should work
         mk.commit("/", "+\"b\": {}", null, null);
-        mk.dispose();
     }
 
     @Test
@@ -169,7 +163,6 @@ public class SimpleTest {
         assertEquals("+\"/t2\":{}\n+\"/t3\":{}", diff13);
         String diff34 = mk.diff(rev3, rev4, "/", 0).trim();
         assertEquals("^\"/t3\":{}", diff34);
-        mk.dispose();
     }
 
     @Test
@@ -200,7 +193,6 @@ public class SimpleTest {
         assertEquals("{\":childNodeCount\":0}", test);
         String test2 = mk.getNodes("/test2", rev, 0, 0, Integer.MAX_VALUE, null);
         assertEquals("{\":childNodeCount\":0}", test2);
-        mk.dispose();
     }
 
     @Test
@@ -212,7 +204,6 @@ public class SimpleTest {
         assertEquals("{\"x\":\"1\",\"child\":{},\":childNodeCount\":1}", test);
         test = mk.getNodes("/test", rev, 0, 0, Integer.MAX_VALUE, null);
         assertNull(test);
-        mk.dispose();
     }
 
     @Test
@@ -224,7 +215,6 @@ public class SimpleTest {
         assertEquals("{\"x\":\"1\",\"child\":{},\":childNodeCount\":1}", test);
         test = mk.getNodes("/test", rev, 0, 0, Integer.MAX_VALUE, null);
         assertEquals("{\"x\":\"1\",\"child\":{},\":childNodeCount\":1}", test);
-        mk.dispose();
     }
 
     @Test
@@ -267,7 +257,6 @@ public class SimpleTest {
         assertEquals("{\"test\":1,\"test\":{},\":childNodeCount\":1}", test);
 
         // System.out.println(test);
-        mk.dispose();
     }
 
     @Test
@@ -395,59 +384,55 @@ public class SimpleTest {
     @Test
     public void commitRoot() {
         DocumentMK mk = createMK();
-        try {
-            DocumentStore store = mk.getDocumentStore();
-            Revision head = Revision.fromString(mk.getHeadRevision());
-            head = Revision.fromString(mk.commit("", "+\"/test\":{\"foo\":{}}", head.toString(), null));
-
-            // root node must not have the revision
-            NodeDocument rootDoc = store.find(Collection.NODES, "0:/");
-
-            //As we update the childStatus flag the commit root would shift
-            //one layer above
-            // assertNotNull(rootDoc);
-            // assertFalse(rootDoc.containsRevision(head));
-
-            // test node must have head in revisions
-            NodeDocument node = store.find(Collection.NODES, "1:/test");
-            //assertNotNull(node);
-            //assertTrue(node.containsRevision(head));
-
-            // foo must not have head in revisions and must refer to test
-            // as commit root (depth = 1)
-            NodeDocument foo = store.find(Collection.NODES, "2:/test/foo");
-            assertNotNull(foo);
-            assertFalse(foo.containsRevision(head));
-            assertEquals("/", foo.getCommitRootPath(head));
-
-            head = Revision.fromString(mk.commit("", "+\"/bar\":{}+\"/test/foo/bar\":{}", head.toString(), null));
-
-            // root node is root of commit
-            rootDoc = store.find(Collection.NODES, "0:/");
-            assertNotNull(rootDoc);
-            assertTrue(rootDoc.containsRevision(head));
-
-            // /bar refers to root nodes a commit root
-            NodeDocument bar = store.find(Collection.NODES, "1:/bar");
-            assertNotNull(bar);
-            assertEquals("/", bar.getCommitRootPath(head));
-
-            // /test/foo/bar refers to root nodes a commit root
-            bar = store.find(Collection.NODES, "3:/test/foo/bar");
-            assertNotNull(bar);
-            assertEquals("/", bar.getCommitRootPath(head));
+        DocumentStore store = mk.getDocumentStore();
+        Revision head = Revision.fromString(mk.getHeadRevision());
+        head = Revision.fromString(mk.commit("", "+\"/test\":{\"foo\":{}}", head.toString(), null));
+
+        // root node must not have the revision
+        NodeDocument rootDoc = store.find(Collection.NODES, "0:/");
+
+        //As we update the childStatus flag the commit root would shift
+        //one layer above
+        // assertNotNull(rootDoc);
+        // assertFalse(rootDoc.containsRevision(head));
+
+        // test node must have head in revisions
+        NodeDocument node = store.find(Collection.NODES, "1:/test");
+        //assertNotNull(node);
+        //assertTrue(node.containsRevision(head));
+
+        // foo must not have head in revisions and must refer to test
+        // as commit root (depth = 1)
+        NodeDocument foo = store.find(Collection.NODES, "2:/test/foo");
+        assertNotNull(foo);
+        assertFalse(foo.containsRevision(head));
+        assertEquals("/", foo.getCommitRootPath(head));
+
+        head = Revision.fromString(mk.commit("", "+\"/bar\":{}+\"/test/foo/bar\":{}", head.toString(), null));
+
+        // root node is root of commit
+        rootDoc = store.find(Collection.NODES, "0:/");
+        assertNotNull(rootDoc);
+        assertTrue(rootDoc.containsRevision(head));
+
+        // /bar refers to root nodes a commit root
+        NodeDocument bar = store.find(Collection.NODES, "1:/bar");
+        assertNotNull(bar);
+        assertEquals("/", bar.getCommitRootPath(head));
+
+        // /test/foo/bar refers to root nodes a commit root
+        bar = store.find(Collection.NODES, "3:/test/foo/bar");
+        assertNotNull(bar);
+        assertEquals("/", bar.getCommitRootPath(head));
 
-        } finally {
-            mk.dispose();
-        }
     }
 
-    private static DocumentMK createMK() {
+    private DocumentMK createMK() {
         return createMK(false);
     }
 
-    private static DocumentMK createMK(boolean useSimpleRevision) {
-        DocumentMK.Builder builder = new DocumentMK.Builder();
+    private DocumentMK createMK(boolean useSimpleRevision) {
+        DocumentMK.Builder builder = builderProvider.newBuilder();
 
         if (MONGO_DB) {
             DB db = MongoUtils.getConnection().getDB();

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/UnmergedBranchTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/UnmergedBranchTest.java?rev=1701627&r1=1701626&r2=1701627&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/UnmergedBranchTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/UnmergedBranchTest.java Mon Sep  7 13:56:43 2015
@@ -25,6 +25,7 @@ import java.util.TreeMap;
 
 import org.apache.jackrabbit.oak.plugins.document.memory.MemoryDocumentStore;
 import org.apache.jackrabbit.oak.plugins.document.util.Utils;
+import org.junit.Rule;
 import org.junit.Test;
 
 import static org.junit.Assert.assertFalse;
@@ -32,6 +33,9 @@ import static org.junit.Assert.assertTru
 
 public class UnmergedBranchTest {
 
+    @Rule
+    public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider();
+
     @Test
     public void purgeUnmergedBranch() throws Exception {
         DocumentStore testStore = new MemoryDocumentStore();
@@ -89,8 +93,8 @@ public class UnmergedBranchTest {
         return mk.getNodeStore().getDocumentStore().find(Collection.NODES, Utils.getIdFromPath("/"));
     }
 
-    private static DocumentMK create(DocumentStore ds, int clusterId){
-        return new DocumentMK.Builder().setAsyncDelay(0)
+    private DocumentMK create(DocumentStore ds, int clusterId){
+        return builderProvider.newBuilder().setAsyncDelay(0)
                 .setDocumentStore(ds).setClusterId(clusterId).open();
     }
 }