content: /*
   * Copyright 2010 Proofpoint, Inc.
   *
   * Licensed 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 io.airlift.discovery.store;
  
  import org.testng.annotations.BeforeMethod;
  import org.testng.annotations.Test;
  
  import static com.google.common.base.Charsets.UTF_8;
  import static org.testng.Assert.assertEquals;
  import static org.testng.Assert.assertNull;
  
  public class TestInMemoryStore
  {
      private LocalStore store;
  
      @BeforeMethod
      protected void setUp()
              throws Exception
      {
          store = new InMemoryStore(new ConflictResolver());
      }
  
      @Test
      public void testPut()
      {
          Entry entry = entryOf("blue", "apple", 1, 0);
          store.put(entry);
  
          assertEquals(store.get("blue".getBytes(UTF_8)), entry);
      }
  
      @Test
      public void testDelete()
      {
          byte[] key = "blue".getBytes(UTF_8);
          Entry entry = entryOf("blue", "apple", 1, 0);
          store.put(entry);
  
          store.delete(key, entry.getVersion());
  
          assertNull(store.get(key));
      }
  
      @Test
      public void testDeleteOlderVersion()
      {
          byte[] key = "blue".getBytes(UTF_8);
          Entry entry = entryOf("blue", "apple", 5, 0);
          store.put(entry);
  
          store.delete(key, new Version(2));
  
          assertEquals(store.get("blue".getBytes(UTF_8)), entry);
      }
  
      @Test
      public void testResolvesConflict()
      {
          Entry entry2 = entryOf("blue", "apple", 2, 0);
          store.put(entry2);
  
          Entry entry1 = entryOf("blue", "banana", 1, 0);
          store.put(entry1);
  
          assertEquals(store.get("blue".getBytes(UTF_8)), entry2);
      }
  
      private static Entry entryOf(String key, String value, long version, long timestamp)
      {
          return new Entry(key.getBytes(UTF_8), value.getBytes(UTF_8), new Version(version), timestamp, null);
      }
  }
  