--- /dev/null
+/*
+ * Copyright (c) 2015 Brocade Communications 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;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import org.apache.commons.lang3.SerializationUtils;
+import org.junit.After;
+import org.junit.Test;
+import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
+import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
+import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshotList;
+
+/**
+ * Unit tests for DatastoreSnapshotRestore.
+ *
+ * @author Thomas Pantelis
+ */
+public class DatastoreSnapshotRestoreTest {
+ String restoreDirectoryPath = "target/DatastoreSnapshotRestoreTest-" + System.nanoTime();
+ File restoreDirectoryFile = new File(restoreDirectoryPath);
+ File backupFile = new File(restoreDirectoryFile, "backup");
+
+ @After
+ public void tearDown() {
+ backupFile.delete();
+ restoreDirectoryFile.delete();
+ }
+
+ @Test
+ public void test() throws Exception {
+ assertTrue("Failed to mkdir " + restoreDirectoryPath, restoreDirectoryFile.mkdirs());
+
+ List<ShardSnapshot> shardSnapshots = new ArrayList<>();
+ shardSnapshots.add(new ShardSnapshot("cars", new byte[]{1,2}));
+ shardSnapshots.add(new ShardSnapshot("people", new byte[]{3,4}));
+ DatastoreSnapshot configSnapshot = new DatastoreSnapshot("config", null, shardSnapshots );
+
+ shardSnapshots = new ArrayList<>();
+ shardSnapshots.add(new ShardSnapshot("cars", new byte[]{5,6}));
+ shardSnapshots.add(new ShardSnapshot("people", new byte[]{7,8}));
+ shardSnapshots.add(new ShardSnapshot("bikes", new byte[]{9,0}));
+ DatastoreSnapshot operSnapshot = new DatastoreSnapshot("oper", null, shardSnapshots );
+
+ DatastoreSnapshotList snapshotList = new DatastoreSnapshotList();
+ snapshotList.add(configSnapshot);
+ snapshotList.add(operSnapshot);
+
+ File backupFile = new File(restoreDirectoryFile, "backup");
+ try(FileOutputStream fos = new FileOutputStream(backupFile)) {
+ SerializationUtils.serialize(snapshotList, fos);
+ }
+
+ DatastoreSnapshotRestore.createInstance(restoreDirectoryPath);
+
+ verifySnapshot(configSnapshot, DatastoreSnapshotRestore.instance().getAndRemove("config"));
+ verifySnapshot(operSnapshot, DatastoreSnapshotRestore.instance().getAndRemove("oper"));
+
+ assertNull("DatastoreSnapshot was not removed", DatastoreSnapshotRestore.instance().getAndRemove("config"));
+
+ assertFalse(backupFile + " was not deleted", backupFile.exists());
+
+ DatastoreSnapshotRestore.removeInstance();
+ DatastoreSnapshotRestore.createInstance("target/does-not-exist");
+ assertNull("Expected null DatastoreSnapshot", DatastoreSnapshotRestore.instance().getAndRemove("config"));
+ assertNull("Expected null DatastoreSnapshot", DatastoreSnapshotRestore.instance().getAndRemove("oper"));
+ }
+
+ private void verifySnapshot(DatastoreSnapshot expected, DatastoreSnapshot actual) {
+ assertNotNull("DatastoreSnapshot is null", actual);
+ assertEquals("getType", expected.getType(), actual.getType());
+ assertTrue("ShardManager snapshots don't match", Objects.deepEquals(expected.getShardManagerSnapshot(),
+ actual.getShardManagerSnapshot()));
+ assertEquals("ShardSnapshots size", expected.getShardSnapshots().size(), actual.getShardSnapshots().size());
+ for(int i = 0; i < expected.getShardSnapshots().size(); i++) {
+ assertEquals("ShardSnapshot " + (i + 1) + " name", expected.getShardSnapshots().get(i).getName(),
+ actual.getShardSnapshots().get(i).getName());
+ assertArrayEquals("ShardSnapshot " + (i + 1) + " snapshot", expected.getShardSnapshots().get(i).getSnapshot(),
+ actual.getShardSnapshots().get(i).getSnapshot());
+ }
+ }
+}