/*
    * 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.apache.maven.shared.artifact.filter.collection;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.HashSet;
  import java.util.Set;
  
  import org.apache.commons.io.FileUtils;
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.plugin.testing.ArtifactStubFactory;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  /**
   * @author <a href="mailto:brianf@apache.org">Brian Fox</a>
   */
  public class TestFilterArtifacts {
      @Test
      public void testNullFilters() throws IOException, ArtifactFilterException {
  
          // TODO: convert these old tests to use the abstract test case for dep
          // plugin
          File outputFolder = new File("target/filters/");
  
          FileUtils.deleteDirectory(outputFolder);
  
          ArtifactStubFactory fact = new ArtifactStubFactory(outputFolder, false);
  
          Set<Artifact> artifacts = fact.getReleaseAndSnapshotArtifacts();
          FilterArtifacts fa = new FilterArtifacts();
  
          fa.filter(artifacts);
  
          // make sure null filters don't hurt anything.
          fa.addFilter(null);
  
          fa.filter(artifacts);
          assertEquals(0, fa.getFilters().size());
  
          ArrayList<ArtifactsFilter> filters = new ArrayList<>();
          filters.add(null);
          filters.add(null);
          fa.setFilters(filters);
  
          assertEquals(2, fa.getFilters().size());
  
          fa.filter(artifacts);
      }
  
      @Test
      public void testArtifactFilter() {
          Set<Artifact> a = new HashSet<>();
          FilterArtifacts fa = new FilterArtifacts();
          ArtifactsFilter scope = new ScopeFilter("compile", "system");
          ArtifactsFilter type = new TypeFilter("jar", "war");
          ArtifactsFilter trans = new ProjectTransitivityFilter(a, true);
  
          assertEquals(0, fa.getFilters().size());
          fa.addFilter(scope);
          assertEquals(1, fa.getFilters().size());
          fa.addFilter(type);
          assertEquals(2, fa.getFilters().size());
          assertTrue(fa.getFilters().get(0) instanceof ScopeFilter);
          assertTrue(fa.getFilters().get(1) instanceof TypeFilter);
          fa.addFilter(1, trans);
          assertEquals(3, fa.getFilters().size());
          assertTrue(fa.getFilters().get(0) instanceof ScopeFilter);
          assertTrue(fa.getFilters().get(1) instanceof ProjectTransitivityFilter);
          assertTrue(fa.getFilters().get(2) instanceof TypeFilter);
  
          ArrayList<ArtifactsFilter> list = new ArrayList<>(fa.getFilters());
  
          fa.clearFilters();
          assertEquals(0, fa.getFilters().size());
  
          fa.setFilters(list);
          assertEquals(3, fa.getFilters().size());
          assertTrue(fa.getFilters().get(0) instanceof ScopeFilter);
         assertTrue(fa.getFilters().get(1) instanceof ProjectTransitivityFilter);
         assertTrue(fa.getFilters().get(2) instanceof TypeFilter);
     }
 
     @Test
     public void testArtifactFilterWithClassifier() throws IOException, ArtifactFilterException {
         File outputFolder = new File("target/filters/");
         FileUtils.deleteDirectory(outputFolder);
         ArtifactStubFactory fact = new ArtifactStubFactory(outputFolder, false);
 
         Set<Artifact> artifacts = fact.getClassifiedArtifacts();
         FilterArtifacts fa = new FilterArtifacts();
         fa.addFilter(new ClassifierFilter("", "four"));
         Set<Artifact> results = fa.filter(artifacts);
         assertEquals(3, results.size());
         fa.addFilter(new ClassifierFilter("two,three", ""));
         results = fa.filter(artifacts);
         assertEquals(2, results.size());
     }
 }