@Test
  public void testFindingClassifiedFiles() throws Exception {
    FileModel f1 = context.getFramed().addVertex(null, FileModel.class);
    f1.setFilePath("/f1");
    FileModel f2 = context.getFramed().addVertex(null, FileModel.class);
    f2.setFilePath("/f2");
    FileModel f3 = context.getFramed().addVertex(null, FileModel.class);
    f3.setFilePath("/f3");
    FileModel f4 = context.getFramed().addVertex(null, FileModel.class);
    f4.setFilePath("/f4");
    FileModel f5 = context.getFramed().addVertex(null, FileModel.class);
    f5.setFilePath("/f5");
    FileModel f6 = context.getFramed().addVertex(null, FileModel.class);
    f6.setFilePath("/f6");
    FileModel f7 = context.getFramed().addVertex(null, FileModel.class);
    f7.setFilePath("/f7");

    InlineHintModel b1 = context.getFramed().addVertex(null, InlineHintModel.class);
    InlineHintModel b1b = context.getFramed().addVertex(null, InlineHintModel.class);
    b1.setFile(f1);
    b1b.setFile(f1);

    InlineHintModel b2 = context.getFramed().addVertex(null, InlineHintModel.class);
    b2.setFile(f2);

    ClassificationModel c1 = context.getFramed().addVertex(null, ClassificationModel.class);
    ClassificationModel c1b = context.getFramed().addVertex(null, ClassificationModel.class);
    c1.addFileModel(f1);
    c1b.addFileModel(f1);

    ClassificationModel c2 = context.getFramed().addVertex(null, ClassificationModel.class);
    c2.addFileModel(f3);

    TechnologyTagService techTagService = new TechnologyTagService(context);
    techTagService.addTagToFileModel(f4, "TestTag", TechnologyTagLevel.IMPORTANT);

    List<Vertex> vertexList = new ArrayList<>();
    for (Vertex v : context.getQuery().type(FileModel.class).vertices()) {
      vertexList.add(v);
    }

    GremlinPipeline<Vertex, Vertex> pipeline =
        new GremlinPipeline<>(context.getQuery().type(FileModel.class).vertices());

    GraphRewrite event = new GraphRewrite(context);

    // manually execute this criterion (this just adds things to the pipeline)
    new FindSourceReportFilesGremlinCriterion().query(event, pipeline);

    List<FileModel> fileModels = new ArrayList<>();
    for (Vertex v : pipeline) {
      // Explicit cast here insures that the frame returned was actually a FileModel. If it is not,
      // a
      // ClassCastException will
      // occur and the test will fail.
      //
      // If we called frame(v, FileModel.class) directly, frames would happily force it to be a
      // FileModel
      // even if the underlying query were returning invalid results.
      FileModel fm = (FileModel) context.getFramed().frame(v, WindupVertexFrame.class);
      fileModels.add(fm);
    }

    boolean foundF1 = false;
    boolean foundF2 = false;
    boolean foundF3 = false;
    boolean foundF4 = false;
    Assert.assertEquals(4, fileModels.size());
    for (FileModel fm : fileModels) {
      if (fm.getFilePath().equals(f1.getFilePath())) {
        foundF1 = true;
      } else if (fm.getFilePath().equals(f2.getFilePath())) {
        foundF2 = true;
      } else if (fm.getFilePath().equals(f3.getFilePath())) {
        foundF3 = true;
      } else if (fm.getFilePath().equals(f4.getFilePath())) {
        foundF4 = true;
      }
    }
    Assert.assertTrue(foundF1);
    Assert.assertTrue(foundF2);
    Assert.assertTrue(foundF3);
    Assert.assertTrue(foundF4);
  }
  @Test
  public void testFindingNonClassifiedFiles() throws Exception {
    FileModel f1 = context.getFramed().addVertex(null, FileModel.class);
    f1.setFilePath("/f1");
    FileModel f2 = context.getFramed().addVertex(null, FileModel.class);
    f2.setFilePath("/f2");
    FileModel f3 = context.getFramed().addVertex(null, FileModel.class);
    f3.setFilePath("/f3");
    FileModel f4 = context.getFramed().addVertex(null, FileModel.class);
    f4.setFilePath("/f4");
    FileModel f5 = context.getFramed().addVertex(null, FileModel.class);
    f5.setFilePath("/f5");
    FileModel f6 = context.getFramed().addVertex(null, FileModel.class);
    f6.setFilePath("/f6");
    FileModel f7 = context.getFramed().addVertex(null, FileModel.class);
    f7.setFilePath("/f7");

    InlineHintModel b1 = context.getFramed().addVertex(null, InlineHintModel.class);
    InlineHintModel b1b = context.getFramed().addVertex(null, InlineHintModel.class);
    b1.setFile(f1);
    b1b.setFile(f1);

    InlineHintModel b2 = context.getFramed().addVertex(null, InlineHintModel.class);
    b2.setFile(f2);

    ClassificationModel c1 = context.getFramed().addVertex(null, ClassificationModel.class);
    ClassificationModel c1b = context.getFramed().addVertex(null, ClassificationModel.class);
    c1.addFileModel(f1);
    c1b.addFileModel(f1);

    ClassificationModel c2 = context.getFramed().addVertex(null, ClassificationModel.class);
    c2.addFileModel(f3);

    List<Vertex> vertexList = new ArrayList<>();
    for (Vertex v : context.getQuery().type(FileModel.class).vertices()) {
      vertexList.add(v);
    }

    // manually execute this criterion (this just adds things to the pipeline)
    Iterable<Vertex> allFMVertices = context.getQuery().type(FileModel.class).vertices();
    Iterable<Vertex> fileModelIterable =
        new FindFilesNotClassifiedOrHintedGremlinCriterion().query(context, allFMVertices);

    List<FileModel> fileModels = new ArrayList<>();
    for (Vertex v : fileModelIterable) {
      // Explicit cast here insures that the frame returned was actually a FileModel. If it is not,
      // a
      // ClassCastException will
      // occur and the test will fail.
      //
      // If we called frame(v, FileModel.class) directly, frames would happily force it to be a
      // FileModel
      // even if the underlying query were returning invalid results.
      FileModel fm = (FileModel) context.getFramed().frame(v, WindupVertexFrame.class);
      fileModels.add(fm);
    }

    boolean foundF4 = false;
    boolean foundF5 = false;
    boolean foundF6 = false;
    boolean foundF7 = false;
    Assert.assertEquals(4, fileModels.size());
    for (FileModel fm : fileModels) {
      if (fm.getFilePath().equals(f4.getFilePath())) {
        foundF4 = true;
      } else if (fm.getFilePath().equals(f5.getFilePath())) {
        foundF5 = true;
      } else if (fm.getFilePath().equals(f6.getFilePath())) {
        foundF6 = true;
      } else if (fm.getFilePath().equals(f7.getFilePath())) {
        foundF7 = true;
      }
    }
    Assert.assertTrue(foundF4);
    Assert.assertTrue(foundF5);
    Assert.assertTrue(foundF6);
    Assert.assertTrue(foundF7);
  }