content: /*
   *   Copyright 2009-2010 Joubin Houshyar
   * 
   *   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 org.jredis.ri.cluster.support;
  
  import org.jredis.ClientRuntimeException;
  import org.jredis.cluster.RefImplTestSuiteBase;
  import org.jredis.ri.alphazero.support.Log;
  import org.jredis.ri.cluster.support.CryptoHashUtils;
  import org.testng.annotations.Test;
  import static org.testng.Assert.*;
  
  /**
   * [TODO: document me!]
   *
   * @author  joubin (alphazero@sensesay.net)
   * @date    Mar 27, 2010
   * 
   */
  
  @Test(suiteName="extensions-ri-cluster-tests2")
  public class CryptoHashUtilTest extends RefImplTestSuiteBase<Object> {
  
  	// ------------------------------------------------------------------------
  	// Specification Interface tested
  	// ------------------------------------------------------------------------
  	
  	/* (non-Javadoc) @see org.jredis.ri.ProviderTestBase#newProviderInstance() */
      @Override
      protected Object newProviderInstance () {
  	    return new CryptoHashUtils();
      }
  	protected final Class<?> getSpecificationClass () {
  		return CryptoHashUtils.class;
  	}
  	
  	// ------------------------------------------------------------------------
  	// Tests
  	// ------------------------------------------------------------------------
  	
  	/**
  	 * Test computeMd5 using byte[]
  	 */
  	@SuppressWarnings("static-access")
      @Test
  	public void testComputeMd5 () {
  		Log.log("Testing Crptographic function computeMd5(byte[])");
  		
  		try {
  			byte[] data1 = data.getRandomBytes(255);
  	        byte[] data1_md5 = CryptoHashUtils.computeMd5(data1);
  	        assertNotNull(data1_md5, "md5 digest should not be null");
  	        assertNotSame(data1_md5, data1, "md5 digest result shoud not be the same as the input array");
  	        assertTrue(data1_md5.length > 0, "md5 digest length should be non-zero");
  	        
  	        // edge case - NULL input not allowed
  	        boolean didRaiseError = false;
  	        try {
  				byte[] nullref = null;
  	        	CryptoHashUtils.computeMd5(nullref);
  	        }
  	        catch (IllegalArgumentException e){ didRaiseError = true; }
  	        catch (RuntimeException what) { fail("Unexpected runtime exception raised",what); }
          	assertTrue(didRaiseError, "Expecting a raised exception for null input");
  	        
  	        // edge case - zero length input not allowed
  	        didRaiseError = false;
  	        try {
  				byte[] zerobytes = data.getRandomBytes(0);
  	        	CryptoHashUtils.computeMd5(zerobytes);
  	        }
  	        catch (IllegalArgumentException e){ didRaiseError = true; }
  	        catch (RuntimeException what) { fail("Unexpected runtime exception raised",what); }
          	assertTrue(didRaiseError, "Expecting a raised exception for zero length input");
          }
          catch (ClientRuntimeException e) {
  	        fail("Required cryptographic algorithm (MD5) is not available", e);
          }
          catch (RuntimeException whatsthis){
          	fail("Unexpected exception class thrown", whatsthis);
          }
  	}
  }
  