Abstract LabelScanStoreStartupIT, implemented by Lucene

LuceneLabelScanStoreStartupIT extends abstract LabelScanStoreStartupIT
and assert that Lucene is used.
Other LabelScanStore implementations should also use LabelScanStoreStartupIT

Set more specific name for
LabelScanStoreIT -> LabelScanStoreUpdateIT

community/lucene-index/src/test/java/org/neo4j/graphdb/LuceneLabelScanStoreIT.java → community/kernel/src/test/java/org/neo4j/graphdb/LabelScanStoreStartupIT.java

@@ -45,7 +45,7 @@
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 
-public class LuceneLabelScanStoreIT
+public abstract class LabelScanStoreStartupIT
 {
     @Rule
     public final DatabaseRule dbRule = new EmbeddedDatabaseRule( getClass() );
@@ -54,7 +54,7 @@ public class LuceneLabelScanStoreIT
     public void scanStoreStartWithoutExistentIndex() throws IOException
     {
         NeoStoreDataSource dataSource = getDataSource();
-        LabelScanStore labelScanStore = getLabelScanStore();
+        LabelScanStore labelScanStore = getLabelScanStore( dbRule );
         labelScanStore.shutdown();
 
         File labelScanStoreDirectory = getLabelScanStoreDirectory( dataSource );
@@ -70,7 +70,7 @@ public void scanStoreStartWithoutExistentIndex() throws IOException
     public void scanStoreRecreateCorruptedIndexOnStartup() throws IOException
     {
         NeoStoreDataSource dataSource = getDataSource();
-        LabelScanStore labelScanStore = getLabelScanStore();
+        LabelScanStore labelScanStore = getLabelScanStore( dbRule );
 
         Node node = createTestNode();
         long[] labels = readNodeLabels( labelScanStore, node );
@@ -97,7 +97,7 @@ private long[] readNodeLabels( LabelScanStore labelScanStore, Node node )
 
     private Node createTestNode()
     {
-        Node node = null;
+        Node node;
         try (Transaction transaction = dbRule.beginTx())
         {
             node = dbRule.createNode( Label.label( "testLabel" ));
@@ -132,11 +132,7 @@ private NeoStoreDataSource getDataSource()
         return dataSourceManager.getDataSource();
     }
 
-    private LabelScanStore getLabelScanStore()
-    {
-        DependencyResolver dependencyResolver = dbRule.getDependencyResolver();
-        return dependencyResolver.resolveDependency( LabelScanStore.class );
-    }
+    protected abstract LabelScanStore getLabelScanStore( DatabaseRule dbRule );
 
     private void checkLabelScanStoreAccessible( LabelScanStore labelScanStore ) throws IOException
     {

community/kernel/src/test/java/org/neo4j/graphdb/LabelScanStoreIT.java → community/kernel/src/test/java/org/neo4j/graphdb/LabelScanStoreUpdateIT.java

@@ -43,7 +43,7 @@
 import static org.neo4j.helpers.collection.Iterators.emptySetOf;
 import static org.neo4j.helpers.collection.Iterators.single;
 
-public class LabelScanStoreIT
+public class LabelScanStoreUpdateIT
 {
     @ClassRule
     public static final DatabaseRule dbRule = new ImpermanentDatabaseRule();

community/lucene-index/src/test/java/org/neo4j/graphdb/LuceneLabelScanStoreStartupIT.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2002-2016 "Neo Technology,"
+ * Network Engine for Objects in Lund AB [http://neotechnology.com]
+ *
+ * This file is part of Neo4j.
+ *
+ * Neo4j is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.neo4j.graphdb;
+
+import org.neo4j.kernel.api.impl.labelscan.LuceneLabelScanStore;
+import org.neo4j.kernel.api.labelscan.LabelScanStore;
+import org.neo4j.test.rule.DatabaseRule;
+
+import static org.hamcrest.Matchers.instanceOf;
+import static org.junit.Assert.assertThat;
+
+public class LuceneLabelScanStoreStartupIT extends LabelScanStoreStartupIT
+{
+    @Override
+    protected LabelScanStore getLabelScanStore( DatabaseRule dbRule )
+    {
+        DependencyResolver dependencyResolver = dbRule.getDependencyResolver();
+        LabelScanStore labelScanStore = dependencyResolver.resolveDependency( LabelScanStore.class );
+        assertThat( labelScanStore, instanceOf( LuceneLabelScanStore.class ) );
+        return labelScanStore;
+    }
+}