/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.coprocessor;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.Coprocessor;
import org.apache.hadoop.hbase.CoprocessorEnvironment;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;
import org.apache.hadoop.hbase.coprocessor.protobuf.generated.DummyRegionServerEndpointProtos;
import org.apache.hadoop.hbase.coprocessor.protobuf.generated.DummyRegionServerEndpointProtos.DummyRequest;
import org.apache.hadoop.hbase.coprocessor.protobuf.generated.DummyRegionServerEndpointProtos.DummyResponse;
import org.apache.hadoop.hbase.coprocessor.protobuf.generated.DummyRegionServerEndpointProtos.DummyService;
import org.apache.hadoop.hbase.ipc.BlockingRpcCallback;
import org.apache.hadoop.hbase.ipc.ServerRpcController;
import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
import org.apache.hadoop.hbase.testclassification.CoprocessorTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import com.google.protobuf.RpcCallback;
import com.google.protobuf.RpcController;
import com.google.protobuf.Service;
@Category({CoprocessorTests.class, MediumTests.class})
public class TestRegionServerCoprocessorEndpoint {
private static HBaseTestingUtility TEST_UTIL = null;
private static Configuration CONF = null;
private static final String DUMMY_VALUE = "val";
@BeforeClass
public static void setupBeforeClass() throws Exception {
TEST_UTIL = new HBaseTestingUtility();
CONF = TEST_UTIL.getConfiguration();
CONF.setStrings(CoprocessorHost.REGIONSERVER_COPROCESSOR_CONF_KEY,
DummyRegionServerEndpoint.class.getName());
TEST_UTIL.startMiniCluster();
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
TEST_UTIL.shutdownMiniCluster();
}
@Test
public void testEndpoint() throws Exception {
final ServerName serverName = TEST_UTIL.getHBaseCluster().getRegionServer(0).getServerName();
final ServerRpcController controller = new ServerRpcController();
final BlockingRpcCallback<DummyRegionServerEndpointProtos.DummyResponse> rpcCallback =
new BlockingRpcCallback<DummyRegionServerEndpointProtos.DummyResponse>();
DummyRegionServerEndpointProtos.DummyService service =
ProtobufUtil.newServiceStub(DummyRegionServerEndpointProtos.DummyService.class,
new HBaseAdmin(CONF).coprocessorService(serverName));
service.dummyCall(controller,
DummyRegionServerEndpointProtos.DummyRequest.getDefaultInstance(), rpcCallback);
assertEquals(DUMMY_VALUE, rpcCallback.get().getValue());
if (controller.failedOnException()) {
throw controller.getFailedOn();
}
}
static class DummyRegionServerEndpoint extends DummyService implements Coprocessor, SingletonCoprocessorService {
@Override
public Service getService() {
return this;
}
@Override
public void start(CoprocessorEnvironment env) throws IOException {
// TODO Auto-generated method stub
}
@Override
public void stop(CoprocessorEnvironment env) throws IOException {
// TODO Auto-generated method stub
}
@Override
public void dummyCall(RpcController controller, DummyRequest request,
RpcCallback<DummyResponse> callback) {
callback.run(DummyResponse.newBuilder().setValue(DUMMY_VALUE).build());
}
}
}