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+/**
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+ * Licensed to the Apache Software Foundation (ASF) under one
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+ * or more contributor license agreements. See the NOTICE file
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+ * distributed with this work for additional information
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+ * regarding copyright ownership. The ASF licenses this file
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+ * to you under the Apache License, Version 2.0 (the
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+ * "License"); you may not use this file except in compliance
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+ * with the License. You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ */
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+
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+package org.apache.hadoop.hdfs.server.datanode;
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+
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+import java.io.File;
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+import java.io.IOException;
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+import java.util.AbstractList;
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+
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+import static org.junit.Assert.fail;
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+import static org.mockito.Mockito.*;
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+import org.apache.commons.logging.Log;
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+import org.apache.commons.logging.LogFactory;
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+import org.apache.hadoop.conf.Configuration;
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+import org.apache.hadoop.hdfs.server.common.IncorrectVersionException;
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+import org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol;
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+import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
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+import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo;
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+import org.junit.Test;
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+
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+
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+public class TestDatanodeRegister {
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+ public static final Log LOG = LogFactory.getLog(TestDatanodeRegister.class);
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+ @Test
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+ public void testDataNodeRegister() throws Exception {
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+ DataNode.BPOfferService myMockBPOS = mock(DataNode.BPOfferService.class);
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+ doCallRealMethod().when(myMockBPOS).register();
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+ myMockBPOS.bpRegistration = mock(DatanodeRegistration.class);
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+ when(myMockBPOS.bpRegistration.getStorageID()).thenReturn("myTestStorageID");
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+
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+ NamespaceInfo fakeNSInfo = mock(NamespaceInfo.class);
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+ when(fakeNSInfo.getBuildVersion()).thenReturn("NSBuildVersion");
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+ DatanodeProtocol fakeDNProt = mock(DatanodeProtocol.class);
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+ when(fakeDNProt.versionRequest()).thenReturn(fakeNSInfo);
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+ doCallRealMethod().when(myMockBPOS).setNameNode(fakeDNProt);
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+ myMockBPOS.setNameNode( fakeDNProt );
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+ try {
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+ myMockBPOS.register();
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+ fail("register() did not throw exception! " +
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+ "Expected: IncorrectVersionException");
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+ } catch (IncorrectVersionException ie) {
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+ LOG.info("register() returned correct Exception: IncorrectVersionException");
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+ }
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+ }
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+}
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