001package org.eclipse.aether.internal.impl.collect;
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 org.eclipse.aether.DefaultRepositorySystemSession;
023import org.eclipse.aether.artifact.DefaultArtifact;
024import org.eclipse.aether.graph.Dependency;
025import org.eclipse.aether.internal.test.util.TestVersion;
026import org.eclipse.aether.resolution.VersionRangeRequest;
027import org.eclipse.aether.resolution.VersionRangeResult;
028import org.eclipse.aether.version.Version;
029import org.junit.Test;
030
031import java.util.Arrays;
032import java.util.Collections;
033import java.util.Iterator;
034import java.util.NoSuchElementException;
035
036import static org.junit.Assert.assertEquals;
037import static org.junit.Assert.assertTrue;
038
039public class DefaultVersionFilterContextTest
040{
041    private static final Dependency FOO_DEPENDENCY = new Dependency( new DefaultArtifact( "group-id:foo:1.0" ), "test" );
042    private static final Dependency BAR_DEPENDENCY = new Dependency( new DefaultArtifact( "group-id:bar:1.0" ), "test" );
043
044    @Test
045    public void iteratorOneItem()
046    {
047        DefaultVersionFilterContext context = new DefaultVersionFilterContext( new DefaultRepositorySystemSession() );
048        VersionRangeResult result = new VersionRangeResult( new VersionRangeRequest() );
049        result.addVersion( new TestVersion( "1.0" ) );
050        context.set( FOO_DEPENDENCY, result );
051
052        Iterator<Version> iterator = context.iterator();
053        assertTrue( iterator.hasNext() );
054        assertEquals( new TestVersion( "1.0" ), iterator.next() );
055    }
056
057    @Test
058    public void getCountOneItem()
059    {
060        DefaultVersionFilterContext context = new DefaultVersionFilterContext( new DefaultRepositorySystemSession() );
061        VersionRangeResult result = new VersionRangeResult( new VersionRangeRequest() );
062        result.addVersion( new TestVersion( "1.0" ) );
063        context.set( FOO_DEPENDENCY, result );
064
065        assertEquals(1, context.getCount());
066    }
067
068    @Test
069    public void getOneItem()
070    {
071        DefaultVersionFilterContext context = new DefaultVersionFilterContext( new DefaultRepositorySystemSession() );
072        VersionRangeResult result = new VersionRangeResult( new VersionRangeRequest() );
073        result.addVersion( new TestVersion( "1.0" ) );
074        context.set( FOO_DEPENDENCY, result );
075
076        assertEquals( Collections.singletonList( new TestVersion( "1.0") ), context.get() );
077    }
078
079    @Test
080    public void iteratorDelete()
081    {
082        DefaultVersionFilterContext context = new DefaultVersionFilterContext( new DefaultRepositorySystemSession() );
083        VersionRangeResult result = new VersionRangeResult( new VersionRangeRequest() );
084        result.addVersion( new TestVersion( "1.0" ) );
085        context.set( FOO_DEPENDENCY, result );
086
087        Iterator<Version> iterator = context.iterator();
088        iterator.next();
089        iterator.remove();
090
091        assertEquals( 0, context.getCount() );
092    }
093
094    @Test(expected = NoSuchElementException.class)
095    public void nextBeyondEnd()
096    {
097        DefaultVersionFilterContext context = new DefaultVersionFilterContext( new DefaultRepositorySystemSession() );
098        VersionRangeResult result = new VersionRangeResult( new VersionRangeRequest() );
099        result.addVersion( new TestVersion( "1.0" ) );
100        context.set( FOO_DEPENDENCY, result );
101
102        Iterator<Version> iterator = context.iterator();
103        iterator.next();
104        iterator.next();
105    }
106
107    @Test
108    public void removeOneOfOne()
109    {
110        DefaultVersionFilterContext context = new DefaultVersionFilterContext( new DefaultRepositorySystemSession() );
111        VersionRangeResult result = new VersionRangeResult( new VersionRangeRequest() );
112        result.addVersion( new TestVersion( "1.0" ) );
113        context.set( FOO_DEPENDENCY, result );
114
115        Iterator<Version> iterator = context.iterator();
116        iterator.next();
117        iterator.remove();
118
119        assertEquals( Collections.emptyList(), context.get() );
120    }
121
122    @Test
123    public void removeOneOfTwo()
124    {
125        DefaultVersionFilterContext context = new DefaultVersionFilterContext( new DefaultRepositorySystemSession() );
126        VersionRangeResult result = new VersionRangeResult( new VersionRangeRequest() );
127        result.addVersion( new TestVersion( "1.0" ) );
128        result.addVersion( new TestVersion( "2.0" ) );
129        context.set( FOO_DEPENDENCY, result );
130
131        Iterator<Version> iterator = context.iterator();
132        iterator.next();
133        iterator.remove();
134
135        assertEquals( Collections.singletonList( new TestVersion( "2.0") ), context.get() );
136    }
137
138    @Test
139    public void removeOneOfThree()
140    {
141        DefaultVersionFilterContext context = new DefaultVersionFilterContext( new DefaultRepositorySystemSession() );
142        VersionRangeResult result = new VersionRangeResult( new VersionRangeRequest() );
143        result.addVersion( new TestVersion( "1.0" ) );
144        result.addVersion( new TestVersion( "2.0" ) );
145        result.addVersion( new TestVersion( "3.0" ) );
146        context.set( FOO_DEPENDENCY, result );
147
148        Iterator<Version> iterator = context.iterator();
149        iterator.next();
150        iterator.remove();
151
152        assertEquals( Arrays.asList( new TestVersion( "2.0" ), new TestVersion( "3.0" ) ), context.get() );
153    }
154
155    @Test
156    public void setTwice()
157    {
158        DefaultVersionFilterContext context = new DefaultVersionFilterContext( new DefaultRepositorySystemSession() );
159        VersionRangeResult fooResult = new VersionRangeResult( new VersionRangeRequest() );
160        fooResult.addVersion( new TestVersion( "1.0" ) );
161        context.set( FOO_DEPENDENCY, fooResult );
162
163        VersionRangeResult barResult = new VersionRangeResult( new VersionRangeRequest() );
164        barResult.addVersion( new TestVersion( "1.0" ) );
165        barResult.addVersion( new TestVersion( "2.0" ) );
166        context.set( BAR_DEPENDENCY, barResult );
167
168        assertEquals( Arrays.asList( new TestVersion( "1.0" ), new TestVersion( "2.0" ) ), context.get() );
169    }
170}