201603.mbox/raw/%3c7205d4b037844680b6bee22c1210e3be@git.apache.org%3e

+
+    /**
+     *
+     * 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.hbase.archetypes.exemplars.shaded_client;
+
+    import java.io.IOException;
+    import org.apache.hadoop.hbase.HBaseTestingUtility;
+    import org.apache.hadoop.hbase.NamespaceDescriptor;
+    import org.apache.hadoop.hbase.client.Admin;
+    import org.apache.hadoop.hbase.client.Get;
+    import org.apache.hadoop.hbase.client.Put;
+    import org.apache.hadoop.hbase.client.Result;
+    import org.apache.hadoop.hbase.client.Table;
+    import org.apache.hadoop.hbase.testclassification.MediumTests;
+    import org.apache.hadoop.hbase.util.Bytes;
+    import org.junit.AfterClass;
+    import static org.junit.Assert.assertEquals;
+    import org.junit.BeforeClass;
+    import org.junit.Test;
+    import org.junit.experimental.categories.Category;
+
+    /**
+     * Unit testing for HelloHBase.
+     */
+    @Category(MediumTests.class)
+    public class TestHelloHBase {
+
+      private static final HBaseTestingUtility TEST_UTIL
+              = new HBaseTestingUtility();
+
+      @BeforeClass
+      public static void beforeClass() throws Exception {
+        TEST_UTIL.startMiniCluster(1);
+      }
+
+      @AfterClass
+      public static void afterClass() throws Exception {
+        TEST_UTIL.shutdownMiniCluster();
+      }
+
+      @Test
+      public void testNamespaceExists() throws Exception {
+        final String NONEXISTENT_NAMESPACE = "xyzpdq_nonexistent";
+        final String EXISTING_NAMESPACE = "pdqxyz_myExistingNamespace";
+        boolean exists;
+        Admin admin = TEST_UTIL.getHBaseAdmin();
+
+        exists = HelloHBase.namespaceExists(admin, NONEXISTENT_NAMESPACE);
+        assertEquals("#namespaceExists failed: found nonexistent namespace.",
+                false, exists);
+
+        admin.createNamespace
+            (NamespaceDescriptor.create(EXISTING_NAMESPACE).build());
+        exists = HelloHBase.namespaceExists(admin, EXISTING_NAMESPACE);
+        assertEquals("#namespaceExists failed: did NOT find existing namespace.",
+                true, exists);
+        admin.deleteNamespace(EXISTING_NAMESPACE);
+      }
+
+      @Test
+      public void testCreateNamespaceAndTable() throws Exception {
+        Admin admin = TEST_UTIL.getHBaseAdmin();
+        HelloHBase.createNamespaceAndTable(admin);
+
+        boolean namespaceExists
+                = HelloHBase.namespaceExists(admin, HelloHBase.MY_NAMESPACE_NAME);
+        assertEquals("#createNamespaceAndTable failed to create namespace.",
+                true, namespaceExists);
+
+        boolean tableExists = admin.tableExists(HelloHBase.MY_TABLE_NAME);
+        assertEquals("#createNamespaceAndTable failed to create table.",
+                true, tableExists);
+
+        admin.disableTable(HelloHBase.MY_TABLE_NAME);
+        admin.deleteTable(HelloHBase.MY_TABLE_NAME);
+        admin.deleteNamespace(HelloHBase.MY_NAMESPACE_NAME);
+      }
+
+      @Test
+      public void testPutRowToTable() throws IOException {
+        Admin admin = TEST_UTIL.getAdmin();
+        admin.createNamespace
+            (NamespaceDescriptor.create(HelloHBase.MY_NAMESPACE_NAME).build());
+        Table table
+                = TEST_UTIL.createTable
+                    (HelloHBase.MY_TABLE_NAME, HelloHBase.MY_COLUMN_FAMILY_NAME);
+
+        HelloHBase.putRowToTable(table);
+        Result row = table.get(new Get(HelloHBase.MY_ROW_ID));
+        assertEquals("#putRowToTable failed to store row.", false, row.isEmpty());
+
+        TEST_UTIL.deleteTable(HelloHBase.MY_TABLE_NAME);
+        admin.deleteNamespace(HelloHBase.MY_NAMESPACE_NAME);
+      }
+
+      @Test
+      public void testDeleteRow() throws IOException {
+        Admin admin = TEST_UTIL.getAdmin();
+        admin.createNamespace
+            (NamespaceDescriptor.create(HelloHBase.MY_NAMESPACE_NAME).build());
+        Table table
+                = TEST_UTIL.createTable
+                    (HelloHBase.MY_TABLE_NAME, HelloHBase.MY_COLUMN_FAMILY_NAME);
+
+        table.put(new Put(HelloHBase.MY_ROW_ID).
+                addColumn(HelloHBase.MY_COLUMN_FAMILY_NAME,
+                        HelloHBase.MY_FIRST_COLUMN_QUALIFIER,
+                        Bytes.toBytes("xyz")));
+        HelloHBase.deleteRow(table);
+        Result row = table.get(new Get(HelloHBase.MY_ROW_ID));
+        assertEquals("#deleteRow failed to delete row.", true, row.isEmpty());
+
+        TEST_UTIL.deleteTable(HelloHBase.MY_TABLE_NAME);
+        admin.deleteNamespace(HelloHBase.MY_NAMESPACE_NAME);
+      }
+    }
+