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 java.util.Collection; 025import java.util.LinkedList; 026import java.util.List; 027import java.util.Queue; 028 029import org.eclipse.aether.collection.DependencyGraphTransformer; 030import org.eclipse.aether.graph.DependencyNode; 031import org.eclipse.aether.internal.test.util.DependencyGraphParser; 032import org.eclipse.aether.util.graph.transformer.ConflictIdSorter; 033import org.eclipse.aether.util.graph.transformer.TransformationContextKeys; 034import org.junit.Test; 035 036/** 037 */ 038public class ConflictIdSorterTest 039 extends AbstractDependencyGraphTransformerTest 040{ 041 042 @Override 043 protected DependencyGraphTransformer newTransformer() 044 { 045 return new ChainedDependencyGraphTransformer( new SimpleConflictMarker(), new ConflictIdSorter() ); 046 } 047 048 @Override 049 protected DependencyGraphParser newParser() 050 { 051 return new DependencyGraphParser( "transformer/conflict-id-sorter/" ); 052 } 053 054 private void expectOrder( List<String> sorted, String... ids ) 055 { 056 Queue<String> queue = new LinkedList<>( sorted ); 057 058 for ( String id : ids ) 059 { 060 String item = queue.poll(); 061 assertNotNull( String.format( "not enough conflict groups (no match for '%s'", id ), item ); 062 063 if ( !"*".equals( id ) ) 064 { 065 assertEquals( id, item ); 066 } 067 } 068 069 assertTrue( String.format( "leftover conflict groups (remaining: '%s')", queue ), queue.isEmpty() ); 070 } 071 072 private void expectOrder( String... id ) 073 { 074 @SuppressWarnings( "unchecked" ) 075 List<String> sorted = (List<String>) context.get( TransformationContextKeys.SORTED_CONFLICT_IDS ); 076 expectOrder( sorted, id ); 077 } 078 079 private void expectCycle( boolean cycle ) 080 { 081 Collection<?> cycles = (Collection<?>) context.get( TransformationContextKeys.CYCLIC_CONFLICT_IDS ); 082 assertEquals( cycle, !cycles.isEmpty() ); 083 } 084 085 @Test 086 public void testSimple() 087 throws Exception 088 { 089 DependencyNode node = parseResource( "simple.txt" ); 090 assertSame( node, transform( node ) ); 091 092 expectOrder( "gid2:aid::jar", "gid:aid::jar", "gid:aid2::jar" ); 093 expectCycle( false ); 094 } 095 096 @Test 097 public void testCycle() 098 throws Exception 099 { 100 DependencyNode node = parseResource( "cycle.txt" ); 101 assertSame( node, transform( node ) ); 102 103 expectOrder( "gid:aid::jar", "gid2:aid::jar" ); 104 expectCycle( true ); 105 } 106 107 @Test 108 public void testCycles() 109 throws Exception 110 { 111 DependencyNode node = parseResource( "cycles.txt" ); 112 assertSame( node, transform( node ) ); 113 114 expectOrder( "*", "*", "*", "gid:aid::jar" ); 115 expectCycle( true ); 116 } 117 118 @Test 119 public void testNoConflicts() 120 throws Exception 121 { 122 DependencyNode node = parseResource( "no-conflicts.txt" ); 123 assertSame( node, transform( node ) ); 124 125 expectOrder( "gid:aid::jar", "gid3:aid::jar", "gid2:aid::jar", "gid4:aid::jar" ); 126 expectCycle( false ); 127 } 128 129}