/*
    * Copyright 2012-2013 smartics, Kronseder & Reiner GmbH
    *
    * Licensed 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 test.de.smartics.properties.resource.repository;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.equalTo;
  import static org.hamcrest.Matchers.is;
  
  import java.net.MalformedURLException;
  import java.net.URL;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.experimental.categories.Category;
  
  import de.smartics.properties.resource.domain.ArtifactId;
  import de.smartics.properties.resource.domain.ArtifactRef;
  import de.smartics.properties.resource.domain.ClassPathEnvironment;
  import de.smartics.testdoc.annotations.Uut;
  import de.smartics.testdoc.categories.type.Coverage;
  
  /**
   * Tests {@link ClassPathEnvironment}.
   */
  public class ClassPathEnvironmentTest
  {
    // ********************************* Fields *********************************
  
    // --- constants ------------------------------------------------------------
  
    static final ArtifactRef DEFAULT_URL;
  
    static final ArtifactRef ANOTHER_ARTIFACT_REF;
  
    static
    {
      try
      {
        final ArtifactId.Builder builder = new ArtifactId.Builder();
        builder.withGroupId("com.example.test").withName("one").withVersion("1.0").withArchiveType("jar");
        final ArtifactId id1 = builder.build();
        final ArtifactId id2 = builder.withName("two").build();
  
        DEFAULT_URL = new ArtifactRef(id1, new URL("http://example.com/one"));
        ANOTHER_ARTIFACT_REF = new ArtifactRef(id2, new URL("http://example.com/two"));
      }
      catch (final MalformedURLException e)
      {
        throw new IllegalStateException("Cannot create test URL.", e);
      }
    }
  
    // --- members --------------------------------------------------------------
  
    @Uut
    private ClassPathEnvironment uut;
  
    // ****************************** Inner Classes *****************************
  
    // ********************************* Methods ********************************
  
    // --- prepare --------------------------------------------------------------
  
    @Before
    public void setUp()
    {
      uut = new ClassPathEnvironment();
    }
  
    // --- helper ---------------------------------------------------------------
  
    // --- tests ----------------------------------------------------------------
  
    @Test
    public void neverRetursNullForAnRefsList()
    {
      final List<ArtifactRef> refs = uut.getArtifactRefs();
  
      assertThat(refs.isEmpty(), is(true));
    }
  
    @Test(expected = UnsupportedOperationException.class)
    public void returnedRefsListIsNotModifiable()
    {
     final List<ArtifactRef> refs = uut.getArtifactRefs();
     refs.add(DEFAULT_URL);
   }
 
   @Test
   public void allowsToAddRefsToTheListOfSearchRoots()
   {
     uut.addArchiveArtifactRef(DEFAULT_URL);
 
     final List<ArtifactRef> urls = uut.getArtifactRefs();
     final List<ArtifactRef> expected = new ArrayList<ArtifactRef>();
     expected.add(DEFAULT_URL);
     assertThat(urls, is(equalTo(expected)));
   }
 
   @Test
   public void orderOfAddingRefsIsPreserved()
   {
     uut.addArchiveArtifactRef(DEFAULT_URL);
     uut.addArchiveArtifactRef(ANOTHER_ARTIFACT_REF);
 
     final List<ArtifactRef> refs = uut.getArtifactRefs();
     final List<ArtifactRef> expected = new ArrayList<ArtifactRef>();
     expected.add(DEFAULT_URL);
     expected.add(ANOTHER_ARTIFACT_REF);
     assertThat(refs, is(equalTo(expected)));
   }
 
   @Test
   public void printsClassPathByItsToString()
   {
     uut.addArchiveArtifactRef(DEFAULT_URL);
     uut.addArchiveArtifactRef(ANOTHER_ARTIFACT_REF);
 
     final String string = uut.toString();
     assertThat(string.length() > 0, is(true));
   }
 
   @Test
   @Category(Coverage.class)
   public void printsClassPathByItsToStringOnAnEmptyList()
   {
     final String string = uut.toString();
     assertThat(string.length() > 0, is(true));
   }
 }