Maintain EntityOwnershipStatistics

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnershipStatisticsTest.java b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnershipStatisticsTest.java
new file mode 100644 (file)
index 0000000..7374de3
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnershipStatisticsTest.java
@@ -0,0 +1,140 @@
+/*
+ * 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.entityownership;
+
+import static org.junit.Assert.assertEquals;
+import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_OWNERS_PATH;
+import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityEntryWithOwner;
+import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityOwnersWithCandidate;
+import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityPath;
+import java.util.Map;
+import org.junit.Before;
+import org.junit.Test;
+import org.opendaylight.controller.cluster.datastore.AbstractActorTest;
+import org.opendaylight.controller.cluster.datastore.ShardDataTree;
+import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
+
+public class EntityOwnershipStatisticsTest extends AbstractActorTest {
+    private static final String LOCAL_MEMBER_NAME = "member-1";
+    private static final String REMOTE_MEMBER_NAME1 = "member-2";
+    private static final String REMOTE_MEMBER_NAME2 = "member-3";
+    private static final String ENTITY_TYPE = "test";
+    private static final YangInstanceIdentifier ENTITY_ID1 =
+            YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity1"));
+    private static final YangInstanceIdentifier ENTITY_ID2 =
+            YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity2"));
+
+    private final ShardDataTree shardDataTree = new ShardDataTree(SchemaContextHelper.entityOwners());
+    private EntityOwnershipStatistics ownershipStatistics;
+
+    @Before
+    public void setup() {
+        ownershipStatistics = new EntityOwnershipStatistics();
+        ownershipStatistics.init(shardDataTree);
+    }
+
+    @Test
+    public void testOnDataTreeChanged() throws Exception {
+        Map<String, Map<String, Long>> statistics = null;
+        writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME));
+        writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID2, LOCAL_MEMBER_NAME));
+
+        // Write local member as owner for entity 1
+
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
+        assertStatistics(ownershipStatistics.all(), LOCAL_MEMBER_NAME, 1L);
+
+        // Add remote member 1 as candidate for entity 1 - ownershipStatistics support should not get notified
+
+        writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, REMOTE_MEMBER_NAME1));
+        assertStatistics(ownershipStatistics.all(), LOCAL_MEMBER_NAME, 1L);
+
+        // Change owner to remote member 1 for entity 1
+
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME1));
+        statistics = ownershipStatistics.all();
+        assertStatistics(statistics, LOCAL_MEMBER_NAME, 0L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME1, 1L);
+
+        // Change owner to remote member 2 for entity 1
+
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME2));
+        statistics = ownershipStatistics.all();
+        assertStatistics(statistics, LOCAL_MEMBER_NAME, 0L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME2, 1L);
+
+        // Clear the owner for entity 1
+
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, ""));
+        statistics = ownershipStatistics.all();
+        assertStatistics(statistics, LOCAL_MEMBER_NAME, 0L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
+
+        // Change owner to the local member for entity 1
+
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
+        statistics = ownershipStatistics.all();
+        assertStatistics(statistics, LOCAL_MEMBER_NAME, 1L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
+
+        // Change owner to remote member 1 for entity 2
+
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, REMOTE_MEMBER_NAME1));
+        statistics = ownershipStatistics.all();
+        assertStatistics(statistics, LOCAL_MEMBER_NAME, 1L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME1, 1L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
+
+        // Change owner to the local member for entity 2
+
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, LOCAL_MEMBER_NAME));
+        statistics = ownershipStatistics.all();
+        assertStatistics(statistics, LOCAL_MEMBER_NAME, 2L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
+
+        // Write local member owner for entity 2 again - expect no change
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, LOCAL_MEMBER_NAME));
+        statistics = ownershipStatistics.all();
+        assertStatistics(statistics, LOCAL_MEMBER_NAME, 2L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
+
+        // Clear the owner for entity 2
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, null));
+        statistics = ownershipStatistics.all();
+        assertStatistics(statistics, LOCAL_MEMBER_NAME, 1L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
+
+        // Clear the owner for entity 2 again - expect no change
+
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, null));
+        statistics = ownershipStatistics.all();
+        assertStatistics(statistics, LOCAL_MEMBER_NAME, 1L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
+        assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
+
+    }
+
+    private void assertStatistics(Map<String, Map<String, Long>> statistics, String memberName, long val) {
+        assertEquals(val, statistics.get(ENTITY_TYPE).get(memberName).longValue());
+    }
+
+    private void writeNode(YangInstanceIdentifier path, NormalizedNode<?, ?> node) throws DataValidationFailedException {
+        AbstractEntityOwnershipTest.writeNode(path, node, shardDataTree);
+    }
+}
\ No newline at end of file