001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hbase.archetypes.exemplars.shaded_client;
019
020import static org.junit.Assert.assertEquals;
021
022import java.io.IOException;
023import org.apache.hadoop.hbase.HBaseClassTestRule;
024import org.apache.hadoop.hbase.HBaseTestingUtil;
025import org.apache.hadoop.hbase.NamespaceDescriptor;
026import org.apache.hadoop.hbase.client.Admin;
027import org.apache.hadoop.hbase.client.Get;
028import org.apache.hadoop.hbase.client.Put;
029import org.apache.hadoop.hbase.client.Result;
030import org.apache.hadoop.hbase.client.Table;
031import org.apache.hadoop.hbase.testclassification.MediumTests;
032import org.apache.hadoop.hbase.util.Bytes;
033import org.junit.AfterClass;
034import org.junit.BeforeClass;
035import org.junit.ClassRule;
036import org.junit.Test;
037import org.junit.experimental.categories.Category;
038
039/**
040 * Unit testing for HelloHBase.
041 */
042@Category(MediumTests.class)
043public class TestHelloHBase {
044
045  @ClassRule
046  public static final HBaseClassTestRule CLASS_RULE =
047      HBaseClassTestRule.forClass(TestHelloHBase.class);
048
049  private static final HBaseTestingUtil TEST_UTIL
050          = new HBaseTestingUtil();
051
052  @BeforeClass
053  public static void beforeClass() throws Exception {
054    TEST_UTIL.startMiniCluster(1);
055  }
056
057  @AfterClass
058  public static void afterClass() throws Exception {
059    TEST_UTIL.shutdownMiniCluster();
060  }
061
062  @Test
063  public void testNamespaceExists() throws Exception {
064    final String NONEXISTENT_NAMESPACE = "xyzpdq_nonexistent";
065    final String EXISTING_NAMESPACE = "pdqxyz_myExistingNamespace";
066    boolean exists;
067    Admin admin = TEST_UTIL.getAdmin();
068
069    exists = HelloHBase.namespaceExists(admin, NONEXISTENT_NAMESPACE);
070    assertEquals("#namespaceExists failed: found nonexistent namespace.",
071            false, exists);
072
073    admin.createNamespace(NamespaceDescriptor.create(EXISTING_NAMESPACE).build());
074    exists = HelloHBase.namespaceExists(admin, EXISTING_NAMESPACE);
075    assertEquals("#namespaceExists failed: did NOT find existing namespace.",
076            true, exists);
077    admin.deleteNamespace(EXISTING_NAMESPACE);
078  }
079
080  @Test
081  public void testCreateNamespaceAndTable() throws Exception {
082    Admin admin = TEST_UTIL.getAdmin();
083    HelloHBase.createNamespaceAndTable(admin);
084
085    boolean namespaceExists
086            = HelloHBase.namespaceExists(admin, HelloHBase.MY_NAMESPACE_NAME);
087    assertEquals("#createNamespaceAndTable failed to create namespace.",
088            true, namespaceExists);
089
090    boolean tableExists = admin.tableExists(HelloHBase.MY_TABLE_NAME);
091    assertEquals("#createNamespaceAndTable failed to create table.",
092            true, tableExists);
093
094    admin.disableTable(HelloHBase.MY_TABLE_NAME);
095    admin.deleteTable(HelloHBase.MY_TABLE_NAME);
096    admin.deleteNamespace(HelloHBase.MY_NAMESPACE_NAME);
097  }
098
099  @Test
100  public void testPutRowToTable() throws IOException {
101    Admin admin = TEST_UTIL.getAdmin();
102    admin.createNamespace(NamespaceDescriptor.create(HelloHBase.MY_NAMESPACE_NAME).build());
103    Table table
104            = TEST_UTIL.createTable(HelloHBase.MY_TABLE_NAME, HelloHBase.MY_COLUMN_FAMILY_NAME);
105
106    HelloHBase.putRowToTable(table);
107    Result row = table.get(new Get(HelloHBase.MY_ROW_ID));
108    assertEquals("#putRowToTable failed to store row.", false, row.isEmpty());
109
110    TEST_UTIL.deleteTable(HelloHBase.MY_TABLE_NAME);
111    admin.deleteNamespace(HelloHBase.MY_NAMESPACE_NAME);
112  }
113
114  @Test
115  public void testDeleteRow() throws IOException {
116    Admin admin = TEST_UTIL.getAdmin();
117    admin.createNamespace(NamespaceDescriptor.create(HelloHBase.MY_NAMESPACE_NAME).build());
118    Table table
119            = TEST_UTIL.createTable(HelloHBase.MY_TABLE_NAME, HelloHBase.MY_COLUMN_FAMILY_NAME);
120
121    table.put(new Put(HelloHBase.MY_ROW_ID).
122            addColumn(HelloHBase.MY_COLUMN_FAMILY_NAME,
123                    HelloHBase.MY_FIRST_COLUMN_QUALIFIER,
124                    Bytes.toBytes("xyz")));
125    HelloHBase.deleteRow(table);
126    Result row = table.get(new Get(HelloHBase.MY_ROW_ID));
127    assertEquals("#deleteRow failed to delete row.", true, row.isEmpty());
128
129    TEST_UTIL.deleteTable(HelloHBase.MY_TABLE_NAME);
130    admin.deleteNamespace(HelloHBase.MY_NAMESPACE_NAME);
131  }
132}