DriversClassLoaderTest


1   /*
2    * Copyright 2006-2007 The Scriptella Project Team.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package scriptella.core;
17  
18  import scriptella.AbstractTestCase;
19  import scriptella.jdbc.GenericDriver;
20  import scriptella.spi.ScriptellaDriver;
21  
22  import java.net.URL  ;
23  
24  /**
25   * Tests {@link scriptella.core.DriverClassLoader}.
26   *
27   * @author Fyodor Kupolov
28   * @version 1.0
29   */
30  public class DriversClassLoaderTest extends AbstractTestCase {
31      /**
32       * Tests classloader delegation model.
33       */
34      public void testDelegation() throws ClassNotFoundException   {
35          Class   bootClass = ScriptellaDriver.class;
36          Class   jdbcClass = GenericDriver.class;
37          DriverClassLoader loader = new DriverClassLoader(new URL  [0]);
38          Class   newClass = Class.forName(bootClass.getName(), false, loader);
39          //boot classes show be the same
40          assertEquals(bootClass, newClass);
41          Class   newJavaClass = Class.forName(String  .class.getName(), false, loader);
42          assertEquals(String  .class, newJavaClass);
43          //Now let's test reloadable classes
44          Class   newJDBCClass = Class.forName(jdbcClass.getName(), false, loader);
45          assertNotSame(jdbcClass, newJDBCClass);
46          //TODO Add additional classpath jars test
47      }
48  }
49
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