| package org.eclipse.aether.util.graph.transformer; |
| |
| /* |
| * 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 org.eclipse.aether.RepositoryException; |
| import org.eclipse.aether.artifact.DefaultArtifact; |
| import org.eclipse.aether.graph.DefaultDependencyNode; |
| import org.eclipse.aether.graph.Dependency; |
| import org.eclipse.aether.graph.DependencyNode; |
| import org.eclipse.aether.internal.test.util.TestUtils; |
| import org.eclipse.aether.internal.test.util.TestVersion; |
| import org.eclipse.aether.internal.test.util.TestVersionConstraint; |
| import org.junit.Test; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| |
| public class ConflictResolverTest |
| { |
| @Test |
| public void noTransformationRequired() throws RepositoryException |
| { |
| ConflictResolver resolver = makeDefaultResolver(); |
| |
| // Foo -> Bar |
| DependencyNode fooNode = makeDependencyNode( "group-id", "foo", "1.0" ); |
| DependencyNode barNode = makeDependencyNode( "group-id", "bar", "1.0" ); |
| fooNode.setChildren( mutableList( barNode ) ); |
| |
| DependencyNode transformedNode = resolver.transformGraph( |
| fooNode, TestUtils.newTransformationContext( TestUtils.newSession() ) |
| ); |
| |
| assertSame( fooNode, transformedNode ); |
| assertEquals( 1, transformedNode.getChildren().size() ); |
| assertSame( barNode, transformedNode.getChildren().get( 0 ) ); |
| } |
| |
| @Test |
| public void versionClash() throws RepositoryException |
| { |
| ConflictResolver resolver = makeDefaultResolver(); |
| |
| // Foo -> Bar -> Baz 2.0 |
| // |---> Baz 1.0 |
| DependencyNode fooNode = makeDependencyNode( "some-group", "foo", "1.0" ); |
| DependencyNode barNode = makeDependencyNode( "some-group", "bar", "1.0" ); |
| DependencyNode baz1Node = makeDependencyNode( "some-group", "baz", "1.0" ); |
| DependencyNode baz2Node = makeDependencyNode( "some-group", "baz", "2.0" ); |
| fooNode.setChildren( mutableList( barNode, baz1Node ) ); |
| barNode.setChildren( mutableList( baz2Node ) ); |
| |
| DependencyNode transformedNode = resolver.transformGraph( |
| fooNode, TestUtils.newTransformationContext( TestUtils.newSession() ) |
| ); |
| |
| assertSame( fooNode, transformedNode ); |
| assertEquals( 2, fooNode.getChildren().size() ); |
| assertSame( barNode, fooNode.getChildren().get( 0 ) ); |
| assertTrue( barNode.getChildren().isEmpty() ); |
| assertSame( baz1Node, fooNode.getChildren().get( 1 ) ); |
| } |
| |
| @Test |
| public void derivedScopeChange() throws RepositoryException |
| { |
| ConflictResolver resolver = makeDefaultResolver(); |
| |
| // Foo -> Bar (test) -> Jaz |
| // |---> Baz -> Jaz |
| DependencyNode fooNode = makeDependencyNode( "some-group", "foo", "1.0" ); |
| DependencyNode barNode = makeDependencyNode( "some-group", "bar", "1.0", "test" ); |
| DependencyNode bazNode = makeDependencyNode( "some-group", "baz", "1.0" ); |
| DependencyNode jazNode = makeDependencyNode( "some-group", "jaz", "1.0" ); |
| fooNode.setChildren( mutableList( barNode, bazNode ) ); |
| |
| List<DependencyNode> jazList = mutableList( jazNode ); |
| barNode.setChildren( jazList ); |
| bazNode.setChildren( jazList ); |
| |
| DependencyNode transformedNode = resolver.transformGraph( |
| fooNode, TestUtils.newTransformationContext( TestUtils.newSession() ) |
| ); |
| |
| assertSame( fooNode, transformedNode ); |
| assertEquals( 2, fooNode.getChildren().size() ); |
| assertSame( barNode, fooNode.getChildren().get( 0 ) ); |
| assertEquals( 1, barNode.getChildren().size() ); |
| assertSame( jazNode, barNode.getChildren().get( 0 ) ); |
| assertSame( bazNode, fooNode.getChildren().get( 1 ) ); |
| assertEquals( 1, barNode.getChildren().size() ); |
| assertSame( jazNode, barNode.getChildren().get( 0 ) ); |
| } |
| |
| @Test |
| public void derivedOptionalStatusChange() throws RepositoryException |
| { |
| ConflictResolver resolver = makeDefaultResolver(); |
| |
| // Foo -> Bar (optional) -> Jaz |
| // |---> Baz -> Jaz |
| DependencyNode fooNode = makeDependencyNode( "some-group", "foo", "1.0" ); |
| DependencyNode barNode = makeDependencyNode( "some-group", "bar", "1.0" ); |
| barNode.setOptional(true); |
| DependencyNode bazNode = makeDependencyNode( "some-group", "baz", "1.0" ); |
| DependencyNode jazNode = makeDependencyNode( "some-group", "jaz", "1.0" ); |
| fooNode.setChildren( mutableList( barNode, bazNode ) ); |
| |
| List<DependencyNode> jazList = mutableList( jazNode ); |
| barNode.setChildren( jazList ); |
| bazNode.setChildren( jazList ); |
| |
| DependencyNode transformedNode = resolver.transformGraph( |
| fooNode, TestUtils.newTransformationContext( TestUtils.newSession() ) |
| ); |
| |
| assertSame( fooNode, transformedNode ); |
| assertEquals( 2, fooNode.getChildren().size() ); |
| assertSame( barNode, fooNode.getChildren().get( 0 ) ); |
| assertEquals( 1, barNode.getChildren().size() ); |
| assertSame( jazNode, barNode.getChildren().get( 0 ) ); |
| assertSame( bazNode, fooNode.getChildren().get( 1 ) ); |
| assertEquals( 1, barNode.getChildren().size() ); |
| assertSame( jazNode, barNode.getChildren().get( 0 ) ); |
| } |
| |
| private static ConflictResolver makeDefaultResolver() |
| { |
| return new ConflictResolver( |
| new NearestVersionSelector(), new JavaScopeSelector(), new SimpleOptionalitySelector(), new JavaScopeDeriver() |
| ); |
| } |
| |
| private static DependencyNode makeDependencyNode( String groupId, String artifactId, String version ) |
| { |
| return makeDependencyNode( groupId, artifactId, version, "compile" ); |
| } |
| |
| private static DependencyNode makeDependencyNode( String groupId, String artifactId, String version, String scope ) |
| { |
| DefaultDependencyNode node = new DefaultDependencyNode( |
| new Dependency( new DefaultArtifact( groupId + ':' + artifactId + ':' + version ), scope ) |
| ); |
| node.setVersion( new TestVersion( version ) ); |
| node.setVersionConstraint( new TestVersionConstraint( node.getVersion() ) ); |
| return node; |
| } |
| |
| private static List<DependencyNode> mutableList(DependencyNode... nodes) |
| { |
| return new ArrayList<>( Arrays.asList( nodes ) ); |
| } |
| } |