class_docstr: Tests for CircularFingerprint.
class_docstr_tok: ["Tests","for","CircularFingerprint","."]
docstr: Test CircularFingerprint with sparse encoding.
docstr_tok: ["Test","CircularFingerprint","with","sparse","encoding","."]
code: def test_sparse_circular_fingerprints(self):
      """
      Test CircularFingerprint with sparse encoding.
      """
      featurizer = CircularFingerprint(sparse=True)
      rval = featurizer([self.mol])
      assert rval.shape == (1,)
      assert isinstance(rval[0], dict)
      assert len(rval[0])
  
file_path: deepchem/deepchem/feat/tests/test_circular_fingerprints.py
imports: import unittest
  from deepchem.feat import CircularFingerprint
  import numpy
label_desc: Use image node_id 5 for calling the TestCircularFingerprint obj's underlying member method code with example usage: obj.test_sparse_circular_fingerprints() without return types