001package org.eclipse.aether.util.graph.versions; 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.DependencyCollectionContext; 025import org.eclipse.aether.collection.VersionFilter; 026import org.eclipse.aether.collection.VersionFilter.VersionFilterContext; 027import org.eclipse.aether.util.graph.version.ChainedVersionFilter; 028import org.eclipse.aether.util.graph.version.HighestVersionFilter; 029import org.eclipse.aether.util.graph.version.SnapshotVersionFilter; 030import org.junit.Test; 031 032public class ChainedVersionFilterTest 033 extends AbstractVersionFilterTest 034{ 035 036 @Test 037 public void testFilterVersions() 038 throws Exception 039 { 040 VersionFilter filter = 041 ChainedVersionFilter.newInstance( new SnapshotVersionFilter(), new HighestVersionFilter() ); 042 VersionFilterContext ctx = newContext( "g:a:[1,9]", "1", "2", "3-SNAPSHOT" ); 043 filter.filterVersions( ctx ); 044 assertVersions( ctx, "2" ); 045 } 046 047 @Test 048 public void testDeriveChildFilter() 049 { 050 VersionFilter filter1 = new HighestVersionFilter(); 051 VersionFilter filter2 = new VersionFilter() 052 { 053 public void filterVersions( VersionFilterContext context ) 054 { 055 } 056 057 public VersionFilter deriveChildFilter( DependencyCollectionContext context ) 058 { 059 return null; 060 } 061 }; 062 063 VersionFilter filter = ChainedVersionFilter.newInstance( filter1 ); 064 assertSame( filter, derive( filter, "g:a:1" ) ); 065 066 filter = ChainedVersionFilter.newInstance( filter2 ); 067 assertSame( null, derive( filter, "g:a:1" ) ); 068 069 filter = ChainedVersionFilter.newInstance( filter1, filter2 ); 070 assertSame( filter1, derive( filter, "g:a:1" ) ); 071 072 filter = ChainedVersionFilter.newInstance( filter2, filter1 ); 073 assertSame( filter1, derive( filter, "g:a:1" ) ); 074 } 075 076 @SuppressWarnings( "EqualsWithItself" ) 077 @Test 078 public void testEquals() 079 { 080 VersionFilter filter = ChainedVersionFilter.newInstance( new HighestVersionFilter() ); 081 assertNotEquals( null, filter ); 082 assertEquals( filter, filter ); 083 assertEquals( filter, ChainedVersionFilter.newInstance( new HighestVersionFilter() ) ); 084 } 085 086}