package org.eclipse.aether.internal.test.util;
   
   /*
    * 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 java.util.List;
  
  import org.eclipse.aether.DefaultRepositorySystemSession;
  import org.eclipse.aether.RepositorySystemSession;
  import org.eclipse.aether.artifact.Artifact;
  import org.eclipse.aether.collection.DependencyCollectionContext;
  import org.eclipse.aether.collection.DependencyGraphTransformationContext;
  import org.eclipse.aether.collection.VersionFilter;
  import org.eclipse.aether.graph.Dependency;
  import org.eclipse.aether.resolution.VersionRangeResult;
  
  /**
   * Utility methods to help unit testing.
   */
  public class TestUtils
  {
  
      private TestUtils()
      {
          // hide constructor
      }
  
      /**
       * Creates a new repository session whose local repository manager is initialized with an instance of
       * {@link TestLocalRepositoryManager}.
       */
      public static DefaultRepositorySystemSession newSession()
      {
          DefaultRepositorySystemSession session = new DefaultRepositorySystemSession();
          session.setLocalRepositoryManager( new TestLocalRepositoryManager() );
          return session;
      }
  
      /**
       * Creates a new dependency collection context.
       */
      public static DependencyCollectionContext newCollectionContext( RepositorySystemSession session,
                                                                      Dependency dependency,
                                                                      List<Dependency> managedDependencies )
      {
          return new TestDependencyCollectionContext( session, null, dependency, managedDependencies );
      }
  
      /**
       * Creates a new dependency collection context.
       */
      public static DependencyCollectionContext newCollectionContext( RepositorySystemSession session, Artifact artifact,
                                                                      Dependency dependency,
                                                                      List<Dependency> managedDependencies )
      {
          return new TestDependencyCollectionContext( session, artifact, dependency, managedDependencies );
      }
  
      /**
       * Creates a new dependency graph transformation context.
       */
      public static DependencyGraphTransformationContext newTransformationContext( RepositorySystemSession session )
      {
          return new TestDependencyGraphTransformationContext( session );
      }
  
      /**
       * Creates a new version filter context from the specified session and version range result.
       */
      public static VersionFilter.VersionFilterContext newVersionFilterContext( RepositorySystemSession session,
                                                                                VersionRangeResult rangeResult )
      {
          return new TestVersionFilterContext( session, rangeResult );
      }
  
  }