001package org.eclipse.aether.util.graph.transformer;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 * 
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 * 
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import static org.junit.Assert.*;
023
024import org.eclipse.aether.collection.DependencyGraphTransformer;
025import org.eclipse.aether.graph.DependencyNode;
026import org.eclipse.aether.internal.test.util.DependencyGraphParser;
027import org.junit.Test;
028
029public class SimpleOptionalitySelectorTest
030    extends AbstractDependencyGraphTransformerTest
031{
032
033    @Override
034    protected DependencyGraphTransformer newTransformer()
035    {
036        return new ConflictResolver( new NearestVersionSelector(), new JavaScopeSelector(),
037                                     new SimpleOptionalitySelector(), new JavaScopeDeriver() );
038    }
039
040    @Override
041    protected DependencyGraphParser newParser()
042    {
043        return new DependencyGraphParser( "transformer/optionality-selector/" );
044    }
045
046    @Test
047    public void testDeriveOptionality()
048        throws Exception
049    {
050        DependencyNode root = parseResource( "derive.txt" );
051        assertSame( root, transform( root ) );
052
053        assertEquals( 2, root.getChildren().size() );
054        assertEquals( true, root.getChildren().get( 0 ).getDependency().isOptional() );
055        assertEquals( true, root.getChildren().get( 0 ).getChildren().get( 0 ).getDependency().isOptional() );
056        assertEquals( false, root.getChildren().get( 1 ).getDependency().isOptional() );
057        assertEquals( false, root.getChildren().get( 1 ).getChildren().get( 0 ).getDependency().isOptional() );
058    }
059
060    @Test
061    public void testResolveOptionalityConflict_NonOptionalWins()
062        throws Exception
063    {
064        DependencyNode root = parseResource( "conflict.txt" );
065        assertSame( root, transform( root ) );
066
067        assertEquals( 2, root.getChildren().size() );
068        assertEquals( true, root.getChildren().get( 0 ).getDependency().isOptional() );
069        assertEquals( false, root.getChildren().get( 0 ).getChildren().get( 0 ).getDependency().isOptional() );
070    }
071
072    @Test
073    public void testResolveOptionalityConflict_DirectDeclarationWins()
074        throws Exception
075    {
076        DependencyNode root = parseResource( "conflict-direct-dep.txt" );
077        assertSame( root, transform( root ) );
078
079        assertEquals( 2, root.getChildren().size() );
080        assertEquals( true, root.getChildren().get( 1 ).getDependency().isOptional() );
081    }
082
083}