/*
    * 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.commons.jci.stores;
  
  import org.apache.commons.jci.AbstractTestCase;
  import org.apache.commons.lang3.ArrayUtils;
  
  /**
   * 
   * @author tcurdt
   */
  public final class ResourceStoreTestCase extends AbstractTestCase {
  
      public void testMemoryResourceStore() {
          checkReadWrite(new MemoryResourceStore());
          checkRemove(new MemoryResourceStore());
      }
  
      public void testFileResourceStore() {
          checkReadWrite(new FileResourceStore(directory));
          checkRemove(new FileResourceStore(directory));
      }
  
      public void testTransactionalFileResourceStore() {    	
          checkReadWrite(new TransactionalResourceStore(new FileResourceStore(directory)));
          checkRemove(new TransactionalResourceStore(new FileResourceStore(directory)));
          
          final ResourceStore rs = new FileResourceStore(directory);
          final TransactionalResourceStore trs = new TransactionalResourceStore(rs);
          assertEquals(rs.toString(), trs.toString());
      }
  
      private void checkReadWrite( final ResourceStore pStore ) {
          final byte[] data = { 1, 2, 3 };
          pStore.write("key", data);
          
          final byte[] read = pStore.read("key");
          
          assertTrue(read != null);
          assertTrue(ArrayUtils.isEquals(data, read));
      }
  
      private void checkRemove( final ResourceStore pStore ) {
          final byte[] data = { 1, 2, 3 };
          pStore.write("key", data);
          
          final byte[] read = pStore.read("key");
          
          assertTrue(read != null);
          assertTrue(ArrayUtils.isEquals(data, read));
  
          pStore.remove("key");
  
          final byte[] empty = pStore.read("key");
          
          assertTrue(empty == null);
      }    
  }