class_docstr: Test AtomicCoordinates.
docstr: Simple test that pocket_features return right shapes.
docstr_tok: ["Simple","test","that","pocket_features","return","right","shapes","."]
code: def test_pocket_features(self):
      """
      Simple test that pocket_features return right shapes.
      """
      current_dir = os.path.dirname(os.path.realpath(__file__))
      protein_file = os.path.join(
          current_dir, "../../dock/tests/1jld_protein.pdb"
      )
  
      finder = dc.dock.ConvexHullPocketFinder()
      pocket_featurizer = dc.feat.BindingPocketFeaturizer()
      pockets = finder.find_pockets(protein_file)
      n_pockets = len(pockets)
  
      pocket_features = pocket_featurizer.featurize(
          protein_file, pockets
      )
  
      assert isinstance(pocket_features, np.ndarray)
      assert pocket_features.shape[0] == n_pockets
  
imports: import os
  import numpy
  import unittest
  import deepchem
label_desc: Use image node_id 1 for calling the TestBindingPocketFeatures obj's underlying member method code with example usage: obj.test_pocket_features() without return types