/*
    * 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.
   */
  package org.eclipse.aether.internal.impl.collect.bf;
  
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.List;
  
  import org.eclipse.aether.artifact.DefaultArtifact;
  import org.eclipse.aether.collection.CollectRequest;
  import org.eclipse.aether.collection.CollectResult;
  import org.eclipse.aether.collection.DependencyCollectionException;
  import org.eclipse.aether.graph.Dependency;
  import org.eclipse.aether.graph.Exclusion;
  import org.eclipse.aether.internal.impl.StubRemoteRepositoryManager;
  import org.eclipse.aether.internal.impl.StubVersionRangeResolver;
  import org.eclipse.aether.internal.impl.collect.DependencyCollectorDelegateTestSupport;
  import org.eclipse.aether.internal.test.util.DependencyGraphParser;
  import org.eclipse.aether.util.graph.manager.TransitiveDependencyManager;
  import org.eclipse.aether.util.graph.selector.ExclusionDependencySelector;
  import org.junit.Assume;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.Parameterized;
  
  import static org.junit.Assert.assertEquals;
  
  /**
   * UT for {@link BfDependencyCollector}.
   */
  @RunWith(Parameterized.class)
  public class BfDependencyCollectorTest extends DependencyCollectorDelegateTestSupport {
      @Parameterized.Parameters
      public static List<Boolean> parameters() {
          return Arrays.asList(Boolean.TRUE, Boolean.FALSE);
      }
  
      @Parameterized.Parameter
      public boolean useSkipper;
  
      @Override
      protected void setupCollector() {
          session.setConfigProperty(BfDependencyCollector.CONFIG_PROP_SKIPPER, useSkipper);
  
          collector = new BfDependencyCollector(
                  new StubRemoteRepositoryManager(), newReader(""), new StubVersionRangeResolver());
      }
  
      @Override
      protected String getTransitiveDepsUseRangesDirtyTreeResource() {
          return "transitiveDepsUseRangesDirtyTreeResult_BF.txt";
      }
  
      private Dependency newDep(String coords, String scope, Collection<Exclusion> exclusions) {
          Dependency d = new Dependency(new DefaultArtifact(coords), scope);
          return d.setExclusions(exclusions);
      }
  
      @Test
      public void testSkipperWithDifferentExclusion() throws DependencyCollectionException {
          Assume.assumeTrue(useSkipper);
          collector.setArtifactDescriptorReader(newReader("managed/"));
          parser = new DependencyGraphParser("artifact-descriptions/managed/");
          session.setDependencyManager(new TransitiveDependencyManager());
  
          ExclusionDependencySelector exclSel1 = new ExclusionDependencySelector();
          session.setDependencySelector(exclSel1);
  
          Dependency root1 = newDep(
                  "gid:root:ext:ver", "compile", Collections.singleton(new Exclusion("gid", "transitive-1", "", "ext")));
          Dependency root2 = newDep(
                  "gid:root:ext:ver", "compile", Collections.singleton(new Exclusion("gid", "transitive-2", "", "ext")));
          List<Dependency> dependencies = Arrays.asList(root1, root2);
  
          CollectRequest request = new CollectRequest(dependencies, null, Arrays.asList(repository));
          request.addManagedDependency(newDep("gid:direct:ext:managed-by-dominant-request"));
          request.addManagedDependency(newDep("gid:transitive-1:ext:managed-by-root"));
  
          CollectResult result = collector.collectDependencies(session, request);
          assertEquals(0, result.getExceptions().size());
          assertEquals(2, result.getRoot().getChildren().size());
          assertEquals(root1, dep(result.getRoot(), 0));
         assertEquals(root2, dep(result.getRoot(), 1));
         // the winner has transitive-1 excluded
         assertEquals(1, path(result.getRoot(), 0).getChildren().size());
         assertEquals(0, path(result.getRoot(), 0, 0).getChildren().size());
         // skipped
         assertEquals(0, path(result.getRoot(), 1).getChildren().size());
     }
 }