BUG-2953 : Unable to read from datastore root with clustering enabled

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / test / java / org / opendaylight / controller / cluster / datastore / utils / NormalizedNodeAggregatorTest.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/NormalizedNodeAggregatorTest.java b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/NormalizedNodeAggregatorTest.java
new file mode 100644 (file)
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+++ b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/NormalizedNodeAggregatorTest.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.cluster.datastore.utils;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import com.google.common.base.Optional;
+import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.CheckedFuture;
+import java.util.Collection;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executors;
+import org.junit.Test;
+import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
+import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
+import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
+import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
+import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+
+public class NormalizedNodeAggregatorTest {
+
+    @Test
+    public void testAggregate() throws InterruptedException, ExecutionException, ReadFailedException {
+        SchemaContext schemaContext = SchemaContextHelper.full();
+        NormalizedNode<?, ?> expectedNode1 = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
+        NormalizedNode<?, ?> expectedNode2 = ImmutableNodes.containerNode(CarsModel.CARS_QNAME);
+
+        Optional<NormalizedNode<?, ?>> optional = NormalizedNodeAggregator.aggregate(YangInstanceIdentifier.builder().build(),
+                Lists.newArrayList(
+                        Optional.<NormalizedNode<?, ?>>of(getRootNode(expectedNode1, schemaContext)),
+                        Optional.<NormalizedNode<?, ?>>of(getRootNode(expectedNode2, schemaContext))),
+                schemaContext);
+
+
+        NormalizedNode<?,?> normalizedNode = optional.get();
+
+        assertTrue("Expect value to be a Collection", normalizedNode.getValue() instanceof Collection);
+
+        Collection<NormalizedNode<?,?>> collection = (Collection<NormalizedNode<?,?>>) normalizedNode.getValue();
+
+        for(NormalizedNode<?,?> node : collection){
+            assertTrue("Expected " + node + " to be a ContainerNode", node instanceof ContainerNode);
+        }
+
+        assertTrue("Child with QName = " + TestModel.TEST_QNAME + " not found",
+                findChildWithQName(collection, TestModel.TEST_QNAME) != null);
+
+        assertEquals(expectedNode1, findChildWithQName(collection, TestModel.TEST_QNAME));
+
+        assertTrue("Child with QName = " + CarsModel.BASE_QNAME + " not found",
+                findChildWithQName(collection, CarsModel.BASE_QNAME) != null);
+
+        assertEquals(expectedNode2, findChildWithQName(collection, CarsModel.BASE_QNAME));
+
+    }
+
+    public static NormalizedNode<?,?> getRootNode(NormalizedNode<?, ?> moduleNode, SchemaContext schemaContext) throws ReadFailedException, ExecutionException, InterruptedException {
+        InMemoryDOMDataStore store = new InMemoryDOMDataStore("test", Executors.newSingleThreadExecutor());
+        store.onGlobalContextUpdated(schemaContext);
+
+        DOMStoreWriteTransaction writeTransaction = store.newWriteOnlyTransaction();
+
+        writeTransaction.merge(YangInstanceIdentifier.builder().node(moduleNode.getNodeType()).build(), moduleNode);
+
+        DOMStoreThreePhaseCommitCohort ready = writeTransaction.ready();
+
+        ready.canCommit().get();
+        ready.preCommit().get();
+        ready.commit().get();
+
+        DOMStoreReadTransaction readTransaction = store.newReadOnlyTransaction();
+
+        CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read = readTransaction.read(YangInstanceIdentifier.builder().build());
+
+        Optional<NormalizedNode<?, ?>> nodeOptional = read.checkedGet();
+
+        return nodeOptional.get();
+    }
+
+    public static NormalizedNode<?,?> findChildWithQName(Collection<NormalizedNode<?, ?>> collection, QName qName) {
+        for(NormalizedNode<?,?> node : collection){
+            if(node.getNodeType().equals(qName)){
+                return node;
+            }
+        }
+
+        return null;
+    }
+
+}
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