/**
* 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.client;
import static org.apache.hadoop.hbase.client.AsyncProcess.START_LOG_ERRORS_AFTER_COUNT_KEY;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.concurrent.Callable;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.MiniHBaseCluster;
import org.apache.hadoop.hbase.NamespaceDescriptor;
import org.apache.hadoop.hbase.NamespaceExistException;
import org.apache.hadoop.hbase.NamespaceNotFoundException;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.Waiter;
import org.apache.hadoop.hbase.ZKNamespaceManager;
import org.apache.hadoop.hbase.master.HMaster;
import org.apache.hadoop.hbase.testclassification.ClientTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
* Class to test asynchronous namespace admin operations.
*/
@Category({ MediumTests.class, ClientTests.class })
public class TestAsyncNamespaceAdminApi extends TestAsyncAdminBase {
private String prefix = "TestNamespace";
private static HMaster master;
private static ZKNamespaceManager zkNamespaceManager;
@BeforeClass
public static void setUpBeforeClass() throws Exception {
TEST_UTIL.getConfiguration().setInt(START_LOG_ERRORS_AFTER_COUNT_KEY, 0);
TEST_UTIL.startMiniCluster(1);
ASYNC_CONN = ConnectionFactory.createAsyncConnection(TEST_UTIL.getConfiguration()).get();
master = ((MiniHBaseCluster) TEST_UTIL.getHBaseCluster()).getMaster();
zkNamespaceManager = new ZKNamespaceManager(master.getZooKeeper());
zkNamespaceManager.start();
LOG.info("Done initializing cluster");
}
@Test(timeout = 60000)
public void testCreateAndDelete() throws Exception {
String testName = "testCreateAndDelete";
String nsName = prefix + "_" + testName;
// create namespace and verify
admin.createNamespace(NamespaceDescriptor.create(nsName).build()).join();
assertEquals(3, admin.listNamespaceDescriptors().get().length);
TEST_UTIL.waitFor(60000, new Waiter.Predicate<Exception>() {
@Override
public boolean evaluate() throws Exception {
return zkNamespaceManager.list().size() == 3;
}
});
assertNotNull(zkNamespaceManager.get(nsName));
// delete namespace and verify
admin.deleteNamespace(nsName).join();
assertEquals(2, admin.listNamespaceDescriptors().get().length);
assertEquals(2, zkNamespaceManager.list().size());
assertNull(zkNamespaceManager.get(nsName));
}
@Test(timeout = 60000)
public void testDeleteReservedNS() throws Exception {
boolean exceptionCaught = false;
try {
admin.deleteNamespace(NamespaceDescriptor.DEFAULT_NAMESPACE_NAME_STR).join();
} catch (Exception exp) {
LOG.warn(exp);
exceptionCaught = true;
} finally {
assertTrue(exceptionCaught);
}
try {
admin.deleteNamespace(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR).join();
} catch (Exception exp) {
LOG.warn(exp);
exceptionCaught = true;
} finally {
assertTrue(exceptionCaught);
}
}
@Test(timeout = 60000)
public void testNamespaceOperations() throws Exception {
admin.createNamespace(NamespaceDescriptor.create(prefix + "ns1").build()).join();
admin.createNamespace(NamespaceDescriptor.create(prefix + "ns2").build()).join();
// create namespace that already exists
runWithExpectedException(new Callable<Void>() {
@Override
public Void call() throws Exception {
admin.createNamespace(NamespaceDescriptor.create(prefix + "ns1").build()).join();
return null;
}
}, NamespaceExistException.class);
// create a table in non-existing namespace
runWithExpectedException(new Callable<Void>() {
@Override
public Void call() throws Exception {
HTableDescriptor htd = new HTableDescriptor(TableName.valueOf("non_existing_namespace",
"table1"));
htd.addFamily(new HColumnDescriptor("family1"));
admin.createTable(htd).join();
return null;
}
}, NamespaceNotFoundException.class);
// get descriptor for existing namespace
NamespaceDescriptor ns1 = admin.getNamespaceDescriptor(prefix + "ns1").get();
assertEquals(prefix + "ns1", ns1.getName());
// get descriptor for non-existing namespace
runWithExpectedException(new Callable<NamespaceDescriptor>() {
@Override
public NamespaceDescriptor call() throws Exception {
return admin.getNamespaceDescriptor("non_existing_namespace").get();
}
}, NamespaceNotFoundException.class);
// delete descriptor for existing namespace
admin.deleteNamespace(prefix + "ns2").join();
// delete descriptor for non-existing namespace
runWithExpectedException(new Callable<Void>() {
@Override
public Void call() throws Exception {
admin.deleteNamespace("non_existing_namespace").join();
return null;
}
}, NamespaceNotFoundException.class);
// modify namespace descriptor for existing namespace
ns1 = admin.getNamespaceDescriptor(prefix + "ns1").get();
ns1.setConfiguration("foo", "bar");
admin.modifyNamespace(ns1).join();
ns1 = admin.getNamespaceDescriptor(prefix + "ns1").get();
assertEquals("bar", ns1.getConfigurationValue("foo"));
// modify namespace descriptor for non-existing namespace
runWithExpectedException(new Callable<Void>() {
@Override
public Void call() throws Exception {
admin.modifyNamespace(NamespaceDescriptor.create("non_existing_namespace").build()).join();
return null;
}
}, NamespaceNotFoundException.class);
admin.deleteNamespace(prefix + "ns1").join();
}
private static <V, E> void runWithExpectedException(Callable<V> callable, Class<E> exceptionClass) {
try {
callable.call();
} catch (Exception ex) {
LOG.info("Get exception is " + ex);
assertEquals(exceptionClass, ex.getCause().getClass());
return;
}
fail("Should have thrown exception " + exceptionClass);
}
}