package org.apache.maven.surefire.junit4;
   
   /*
    * 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.
   */
  
  import junit.framework.TestCase;
  import org.apache.maven.surefire.booter.BaseProviderFactory;
  import org.apache.maven.surefire.testset.TestRequest;
  import org.junit.runner.Description;
  
  import java.util.HashMap;
  
  import static java.util.Arrays.asList;
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.*;
  import static org.junit.runner.Description.createSuiteDescription;
  
  /**
   * @author Kristian Rosenvold
   */
  public class JUnit4ProviderTest
      extends TestCase
  {
      public void testCreateProvider()
      {
          assertNotNull( getJUnit4Provider() );
      }
  
      private JUnit4Provider getJUnit4Provider()
      {
          BaseProviderFactory providerParameters = new BaseProviderFactory( null, true );
          providerParameters.setProviderProperties( new HashMap<String, String>() );
          providerParameters.setClassLoaders( getClass().getClassLoader() );
          providerParameters.setTestRequest( new TestRequest( null, null, null ) );
          return new JUnit4Provider( providerParameters );
      }
  
      public void testShouldCreateDescription()
      {
          class A {
          }
  
          class B {
          }
  
          Description d = JUnit4Provider.createTestsDescription( asList( A.class, B.class ) );
          assertThat( d, is( notNullValue() ) );
          assertThat( d.getDisplayName(), not( isEmptyOrNullString() ) );
          assertThat( d.getDisplayName(), is( "null" ) );
          assertThat( d.getChildren(), hasSize( 2 ) );
          Description a = createSuiteDescription( A.class );
          Description b = createSuiteDescription( B.class );
          assertThat( d.getChildren(), contains( a, b ) );
      }
  
  }