/*
* Copyright 2010 The Apache Software Foundation
*
* 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.rest;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.rest.client.Client;
import org.apache.hadoop.hbase.rest.client.Cluster;
import org.apache.hadoop.hbase.rest.client.Response;
import org.apache.hadoop.hbase.rest.model.StorageClusterStatusModel;
import org.apache.hadoop.hbase.util.Bytes;
import static org.junit.Assert.*;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
public class TestStatusResource {
private static final byte[] ROOT_REGION_NAME = Bytes.toBytes("-ROOT-,,0");
private static final byte[] META_REGION_NAME = Bytes.toBytes(".META.,,1");
private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
private static final HBaseRESTTestingUtility REST_TEST_UTIL =
new HBaseRESTTestingUtility();
private static Client client;
private static JAXBContext context;
private static void validate(StorageClusterStatusModel model) {
assertNotNull(model);
assertTrue(model.getRegions() >= 1);
assertTrue(model.getRequests() >= 0);
assertTrue(model.getAverageLoad() >= 0.0);
assertNotNull(model.getLiveNodes());
assertNotNull(model.getDeadNodes());
assertFalse(model.getLiveNodes().isEmpty());
boolean foundRoot = false, foundMeta = false;
for (StorageClusterStatusModel.Node node: model.getLiveNodes()) {
assertNotNull(node.getName());
assertTrue(node.getStartCode() > 0L);
assertTrue(node.getRequests() >= 0);
for (StorageClusterStatusModel.Node.Region region: node.getRegions()) {
if (Bytes.equals(region.getName(), ROOT_REGION_NAME)) {
foundRoot = true;
} else if (Bytes.equals(region.getName(), META_REGION_NAME)) {
foundMeta = true;
}
}
}
assertTrue(foundRoot);
assertTrue(foundMeta);
}
@BeforeClass
public static void setUpBeforeClass() throws Exception {
TEST_UTIL.startMiniCluster();
REST_TEST_UTIL.startServletContainer(TEST_UTIL.getConfiguration());
client = new Client(new Cluster().add("localhost",
REST_TEST_UTIL.getServletPort()));
context = JAXBContext.newInstance(StorageClusterStatusModel.class);
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
REST_TEST_UTIL.shutdownServletContainer();
TEST_UTIL.shutdownMiniCluster();
}
@Test
public void testGetClusterStatusXML() throws IOException, JAXBException {
Response response = client.get("/status/cluster", Constants.MIMETYPE_XML);
assertEquals(response.getCode(), 200);
StorageClusterStatusModel model = (StorageClusterStatusModel)
context.createUnmarshaller().unmarshal(
new ByteArrayInputStream(response.getBody()));
validate(model);
}
@Test
public void testGetClusterStatusPB() throws IOException {
Response response = client.get("/status/cluster",
Constants.MIMETYPE_PROTOBUF);
assertEquals(response.getCode(), 200);
StorageClusterStatusModel model = new StorageClusterStatusModel();
model.getObjectFromMessage(response.getBody());
validate(model);
}
}