code: def test_FerminetModel():
      # Test for the init function of FerminetModel class
      FH_molecule = [["F", [0, 0, 0]], ["H", [0, 0.5, 0.5]]]
      # Testing ionic initialization
      mol = FerminetModel(FH_molecule, spin=1, ion_charge=-1)
      assert (mol.electron_no == np.array([[10], [1]])).all()
      # Testing whether error throws up when spin is wrong
      with pytest.raises(ValueError):
          FerminetModel(FH_molecule, spin=0, ion_charge=-1)
      # Testing the spin values
      Li_atom = [["Li", [0, 0, 0]]]
      mol = FerminetModel(Li_atom, spin=1, ion_charge=0)
      assert mol.up_spin == 2 and mol.down_spin == 1
  
file_path: deepchem/deepchem/models/tests/test_ferminet.py
imports: import pytest
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: test_FerminetModel() without return types