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.hadoop.hbase.util;
019
020import static org.junit.Assert.assertEquals;
021import static org.mockito.Mockito.mock;
022import static org.mockito.Mockito.when;
023
024import org.apache.hadoop.hbase.HBaseClassTestRule;
025import org.apache.hadoop.hbase.testclassification.MiscTests;
026import org.apache.hadoop.hbase.testclassification.SmallTests;
027import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
028import org.junit.Before;
029import org.junit.ClassRule;
030import org.junit.Test;
031import org.junit.experimental.categories.Category;
032
033@Category({ MiscTests.class, SmallTests.class })
034public class TestZKStringFormatter {
035
036  @ClassRule
037  public static final HBaseClassTestRule CLASS_RULE =
038    HBaseClassTestRule.forClass(TestZKStringFormatter.class);
039
040  private ZKWatcher zkWatcher;
041
042  @Before
043  public void setUp() throws Exception {
044    zkWatcher = mock(ZKWatcher.class);
045  }
046
047  @Test
048  public void testFormatZKStringNullQuorum() {
049    when(zkWatcher.getQuorum()).thenReturn(null);
050    String result = ZKStringFormatter.formatZKString(zkWatcher);
051    assertEquals("", result);
052  }
053
054  @Test
055  public void testFormatZKStringEmptyQuorum() {
056    when(zkWatcher.getQuorum()).thenReturn("");
057    String result = ZKStringFormatter.formatZKString(zkWatcher);
058    assertEquals("", result);
059  }
060
061  @Test
062  public void testFormatZKStringOneServer() {
063    when(zkWatcher.getQuorum()).thenReturn("127.0.0.1:21818");
064    String result = ZKStringFormatter.formatZKString(zkWatcher);
065    assertEquals("127.0.0.1:21818", result);
066  }
067
068  @Test
069  public void testFormatZKStringMultipleServers() {
070    when(zkWatcher.getQuorum()).thenReturn("127.0.0.1:21818,127.0.0.1:21819,127.0.0.1:21820");
071    String result = ZKStringFormatter.formatZKString(zkWatcher);
072    assertEquals("127.0.0.1:21818<br/>127.0.0.1:21819<br/>127.0.0.1:21820", result);
073  }
074}