code: def test_input_validations_for_hebb_rule(self):
      invalid_cases = (
          # Missed required parameters
          dict(),
          dict(n_inputs=2),
          dict(n_inputs=2, n_outputs=1),
          # n_inputs should be greater than n_unconditioned
          dict(
              n_inputs=2, n_outputs=2, n_unconditioned=2, verbose=False
          ),
          # Invalid shapes for the arrays
          dict(
              n_inputs=2,
              n_outputs=1,
              n_unconditioned=1,
              weight=np.array([1]),
          ),
          dict(
              n_inputs=2,
              n_outputs=1,
              n_unconditioned=1,
              bias=np.array([1, 2, 3]),
          ),
      )
  
      for invalid_case_params in invalid_cases:
          with self.assertRaises(ValueError):
              algorithms.HebbRule(**invalid_case_params)
  
file_path: neupy/tests/algorithms/associative/test_hebb.py
imports: import numpy
  from neupy import algorithms
  from base import BaseTestCase
label_desc: Use image node_id 1 for calling the HebbRuleTestCase obj's underlying member method code with example usage: obj.test_input_validations_for_hebb_rule() without return types