new_contents: """
  Tests for plotting.
  """
  import unittest
  from os.path import abspath, curdir, join
  from pathlib import Path
  
  import pyensembl
  
  from agfusion import database, model
  
  data = pyensembl.EnsemblRelease(84, "mouse")
  db = database.AGFusionDB(abspath(join(curdir, "agfusion.mus_musculus.84.db")))
  db.build = "mus_musculus_84"
  
  data_human = pyensembl.EnsemblRelease(75, "human")
  db_human = database.AGFusionDB(abspath(join(curdir, "agfusion.homo_sapiens.75.db")))
  db_human.build = "homo_sapiens_75"
  
  
  class TestSequencePredictionHuman(unittest.TestCase):
      """Test correctly predict human fusions"""
  
      def test_1(self):
          """
          test CDS and protein correct for junction that is on exon boundaries and
          produces an out-of-frame protein.
          """
  
          # test the dna and protein coding sequences are correct by comparing
          # with manually generally sequences
  
          fusion = model.Fusion(
              gene5prime="TMEM87B",
              gene5primejunction=112843681,
              gene3prime="MERTK",
              gene3primejunction=112722768,
              db=db_human,
              pyensembl_data=data_human,
              protein_databases=["pfam"],
              noncanonical=False,
          )
  
          fusion.save_images("DLG1-BRAF_mouse")
  
          assert Path(
              "DLG1-BRAF_mouse/ENST00000283206_ENST00000295408.png"
          ).exists(), "Could not save image."
  
subject: add tests for plots