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.jupiter.api.Assertions.assertFalse;
021import static org.junit.jupiter.api.Assertions.assertTrue;
022
023import java.io.IOException;
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.jupiter.api.AfterAll;
034import org.junit.jupiter.api.BeforeAll;
035import org.junit.jupiter.api.Tag;
036import org.junit.jupiter.api.Test;
037
038/**
039 * Unit testing for HelloHBase.
040 */
041@Tag(MediumTests.TAG)
042public class TestHelloHBase {
043
044  private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
045
046  @BeforeAll
047  public static void beforeClass() throws Exception {
048    TEST_UTIL.startMiniCluster(1);
049  }
050
051  @AfterAll
052  public static void afterClass() throws Exception {
053    TEST_UTIL.shutdownMiniCluster();
054  }
055
056  @Test
057  public void testNamespaceExists() throws Exception {
058    final String NONEXISTENT_NAMESPACE = "xyzpdq_nonexistent";
059    final String EXISTING_NAMESPACE = "pdqxyz_myExistingNamespace";
060    boolean exists;
061    Admin admin = TEST_UTIL.getAdmin();
062
063    exists = HelloHBase.namespaceExists(admin, NONEXISTENT_NAMESPACE);
064    assertFalse(exists, "#namespaceExists failed: found nonexistent namespace.");
065
066    admin.createNamespace(NamespaceDescriptor.create(EXISTING_NAMESPACE).build());
067    exists = HelloHBase.namespaceExists(admin, EXISTING_NAMESPACE);
068    assertTrue(exists, "#namespaceExists failed: did NOT find existing namespace.");
069    admin.deleteNamespace(EXISTING_NAMESPACE);
070  }
071
072  @Test
073  public void testCreateNamespaceAndTable() throws Exception {
074    Admin admin = TEST_UTIL.getAdmin();
075    HelloHBase.createNamespaceAndTable(admin);
076
077    boolean namespaceExists = HelloHBase.namespaceExists(admin, HelloHBase.MY_NAMESPACE_NAME);
078    assertTrue(namespaceExists, "#createNamespaceAndTable failed to create namespace.");
079
080    boolean tableExists = admin.tableExists(HelloHBase.MY_TABLE_NAME);
081    assertTrue(tableExists, "#createNamespaceAndTable failed to create table.");
082
083    admin.disableTable(HelloHBase.MY_TABLE_NAME);
084    admin.deleteTable(HelloHBase.MY_TABLE_NAME);
085    admin.deleteNamespace(HelloHBase.MY_NAMESPACE_NAME);
086  }
087
088  @Test
089  public void testPutRowToTable() throws IOException {
090    Admin admin = TEST_UTIL.getAdmin();
091    admin.createNamespace(NamespaceDescriptor.create(HelloHBase.MY_NAMESPACE_NAME).build());
092    Table table = TEST_UTIL.createTable(HelloHBase.MY_TABLE_NAME, HelloHBase.MY_COLUMN_FAMILY_NAME);
093
094    HelloHBase.putRowToTable(table);
095    Result row = table.get(new Get(HelloHBase.MY_ROW_ID));
096    assertFalse(row.isEmpty(), "#putRowToTable failed to store row.");
097
098    TEST_UTIL.deleteTable(HelloHBase.MY_TABLE_NAME);
099    admin.deleteNamespace(HelloHBase.MY_NAMESPACE_NAME);
100  }
101
102  @Test
103  public void testDeleteRow() throws IOException {
104    Admin admin = TEST_UTIL.getAdmin();
105    admin.createNamespace(NamespaceDescriptor.create(HelloHBase.MY_NAMESPACE_NAME).build());
106    Table table = TEST_UTIL.createTable(HelloHBase.MY_TABLE_NAME, HelloHBase.MY_COLUMN_FAMILY_NAME);
107
108    table.put(new Put(HelloHBase.MY_ROW_ID).addColumn(HelloHBase.MY_COLUMN_FAMILY_NAME,
109      HelloHBase.MY_FIRST_COLUMN_QUALIFIER, Bytes.toBytes("xyz")));
110    HelloHBase.deleteRow(table);
111    Result row = table.get(new Get(HelloHBase.MY_ROW_ID));
112    assertTrue(row.isEmpty(), "#deleteRow failed to delete row.");
113
114    TEST_UTIL.deleteTable(HelloHBase.MY_TABLE_NAME);
115    admin.deleteNamespace(HelloHBase.MY_NAMESPACE_NAME);
116  }
117}