public void testCollectSources() {
    List<ObjectMetaData> datas = newArrayList();

    ObjectMetaData output = new ObjectMetaData("output", ObjectType.OUTPUT, new SampleObject01());
    output.addDependency(new UsedObject("channel", ObjectType.CHANNEL));
    output.setSourceFile("output.source");
    datas.add(output);

    ObjectMetaData channel =
        new ObjectMetaData("channel", ObjectType.CHANNEL, new SampleObject01());
    channel.addDependency(new UsedObject("source", ObjectType.SOURCE));
    channel.setSourceFile("channel.source");
    datas.add(channel);

    ObjectMetaData source = new ObjectMetaData("source", ObjectType.SOURCE, new SampleObject01());
    source.setSourceFile("source.source");
    datas.add(source);

    Entity result = ObjectMetaDataTools.getEntityFromOutput("output", datas);

    assertNotNull(result);

    assertEquals(3, result.getSourceFiles().size());

    assertTrue(result.getSourceFiles().contains("output.source"));
    assertTrue(result.getSourceFiles().contains("channel.source"));
    assertTrue(result.getSourceFiles().contains("source.source"));
  }
  public void testAllOk() {
    List<ObjectMetaData> datas = newArrayList();

    ObjectMetaData output = new ObjectMetaData("output", ObjectType.OUTPUT, new SampleObject01());
    output.addDependency(new UsedObject("channel", ObjectType.CHANNEL));
    datas.add(output);

    ObjectMetaData channel =
        new ObjectMetaData("channel", ObjectType.CHANNEL, new SampleObject01());
    channel.addDependency(new UsedObject("source", ObjectType.SOURCE));
    datas.add(channel);

    ObjectMetaData source = new ObjectMetaData("source", ObjectType.SOURCE, new SampleObject01());
    datas.add(source);

    Entity result = ObjectMetaDataTools.getEntityFromOutput("output", datas);

    assertNotNull(result);
    assertEquals(output.getId(), result.getOutputId());
    assertEquals(channel.getId(), result.getChannelId());
    assertEquals(source.getId(), result.getSourceId());
  }