hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncNamespaceAdminApi.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.client;
  19
  20 import static org.apache.hadoop.hbase.client.AsyncProcess.START_LOG_ERRORS_AFTER_COUNT_KEY;
  21 import static org.junit.Assert.assertEquals;
  22 import static org.junit.Assert.assertTrue;
  23 import static org.junit.Assert.fail;
  24
  25 import java.util.concurrent.Callable;
  26 import org.apache.hadoop.hbase.HBaseClassTestRule;
  27 import org.apache.hadoop.hbase.HColumnDescriptor;
  28 import org.apache.hadoop.hbase.HConstants;
  29 import org.apache.hadoop.hbase.HTableDescriptor;
  30 import org.apache.hadoop.hbase.NamespaceDescriptor;
  31 import org.apache.hadoop.hbase.NamespaceExistException;
  32 import org.apache.hadoop.hbase.NamespaceNotFoundException;
  33 import org.apache.hadoop.hbase.TableName;
  34 import org.apache.hadoop.hbase.testclassification.ClientTests;
  35 import org.apache.hadoop.hbase.testclassification.LargeTests;
  36 import org.junit.BeforeClass;
  37 import org.junit.ClassRule;
  38 import org.junit.Test;
  39 import org.junit.experimental.categories.Category;
  40 import org.junit.runner.RunWith;
  41 import org.junit.runners.Parameterized;
  42
  43 /**
  44  * Class to test asynchronous namespace admin operations.
  45  */
  46 @RunWith(Parameterized.class)
  47 @Category({ LargeTests.class, ClientTests.class })
  48 public class TestAsyncNamespaceAdminApi extends TestAsyncAdminBase {
  49
  50   @ClassRule
  51   public static final HBaseClassTestRule CLASS_RULE =
  52       HBaseClassTestRule.forClass(TestAsyncNamespaceAdminApi.class);
  53
  54   private String prefix = "TestNamespace";
  55
  56   @BeforeClass
  57   public static void setUpBeforeClass() throws Exception {
  58     TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_RPC_TIMEOUT_KEY, 60000);
  59     TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_OPERATION_TIMEOUT, 120000);
  60     TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 2);
  61     TEST_UTIL.getConfiguration().setInt(START_LOG_ERRORS_AFTER_COUNT_KEY, 0);
  62     TEST_UTIL.startMiniCluster(1);
  63     ASYNC_CONN = ConnectionFactory.createAsyncConnection(TEST_UTIL.getConfiguration()).get();
  64     LOG.info("Done initializing cluster");
  65   }
  66
  67   @Test
  68   public void testCreateAndDelete() throws Exception {
  69     String testName = "testCreateAndDelete";
  70     String nsName = prefix + "_" + testName;
  71
  72     // create namespace and verify
  73     admin.createNamespace(NamespaceDescriptor.create(nsName).build()).join();
  74     assertEquals(3, admin.listNamespaceDescriptors().get().size());
  75     // delete namespace and verify
  76     admin.deleteNamespace(nsName).join();
  77     assertEquals(2, admin.listNamespaceDescriptors().get().size());
  78   }
  79
  80   @Test
  81   public void testDeleteReservedNS() throws Exception {
  82     boolean exceptionCaught = false;
  83     try {
  84       admin.deleteNamespace(NamespaceDescriptor.DEFAULT_NAMESPACE_NAME_STR).join();
  85     } catch (Exception exp) {
  86       LOG.warn(exp.toString(), exp);
  87       exceptionCaught = true;
  88     } finally {
  89       assertTrue(exceptionCaught);
  90     }
  91
  92     try {
  93       admin.deleteNamespace(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR).join();
  94     } catch (Exception exp) {
  95       LOG.warn(exp.toString(), exp);
  96       exceptionCaught = true;
  97     } finally {
  98       assertTrue(exceptionCaught);
  99     }
 100   }
 101
 102   @Test
 103   public void testNamespaceOperations() throws Exception {
 104     admin.createNamespace(NamespaceDescriptor.create(prefix + "ns1").build()).join();
 105     admin.createNamespace(NamespaceDescriptor.create(prefix + "ns2").build()).join();
 106
 107     // create namespace that already exists
 108     runWithExpectedException(new Callable<Void>() {
 109       @Override
 110       public Void call() throws Exception {
 111         admin.createNamespace(NamespaceDescriptor.create(prefix + "ns1").build()).join();
 112         return null;
 113       }
 114     }, NamespaceExistException.class);
 115
 116     // create a table in non-existing namespace
 117     runWithExpectedException(new Callable<Void>() {
 118       @Override
 119       public Void call() throws Exception {
 120         HTableDescriptor htd = new HTableDescriptor(TableName.valueOf("non_existing_namespace",
 121           "table1"));
 122         htd.addFamily(new HColumnDescriptor("family1"));
 123         admin.createTable(htd).join();
 124         return null;
 125       }
 126     }, NamespaceNotFoundException.class);
 127
 128     // get descriptor for existing namespace
 129     NamespaceDescriptor ns1 = admin.getNamespaceDescriptor(prefix + "ns1").get();
 130     assertEquals(prefix + "ns1", ns1.getName());
 131
 132     // get descriptor for non-existing namespace
 133     runWithExpectedException(new Callable<NamespaceDescriptor>() {
 134       @Override
 135       public NamespaceDescriptor call() throws Exception {
 136         return admin.getNamespaceDescriptor("non_existing_namespace").get();
 137       }
 138     }, NamespaceNotFoundException.class);
 139
 140     // delete descriptor for existing namespace
 141     admin.deleteNamespace(prefix + "ns2").join();
 142
 143     // delete descriptor for non-existing namespace
 144     runWithExpectedException(new Callable<Void>() {
 145       @Override
 146       public Void call() throws Exception {
 147         admin.deleteNamespace("non_existing_namespace").join();
 148         return null;
 149       }
 150     }, NamespaceNotFoundException.class);
 151
 152     // modify namespace descriptor for existing namespace
 153     ns1 = admin.getNamespaceDescriptor(prefix + "ns1").get();
 154     ns1.setConfiguration("foo", "bar");
 155     admin.modifyNamespace(ns1).join();
 156     ns1 = admin.getNamespaceDescriptor(prefix + "ns1").get();
 157     assertEquals("bar", ns1.getConfigurationValue("foo"));
 158
 159     // modify namespace descriptor for non-existing namespace
 160     runWithExpectedException(new Callable<Void>() {
 161       @Override
 162       public Void call() throws Exception {
 163         admin.modifyNamespace(NamespaceDescriptor.create("non_existing_namespace").build()).join();
 164         return null;
 165       }
 166     }, NamespaceNotFoundException.class);
 167
 168     admin.deleteNamespace(prefix + "ns1").join();
 169   }
 170
 171   private static <V, E> void runWithExpectedException(Callable<V> callable, Class<E> exceptionClass) {
 172     try {
 173       callable.call();
 174     } catch (Exception ex) {
 175       LOG.info("Get exception is " + ex);
 176       assertEquals(exceptionClass, ex.getCause().getClass());
 177       return;
 178     }
 179     fail("Should have thrown exception " + exceptionClass);
 180   }
 181 }