def test_custom_particles_from_json_file(cls, kwargs, json_string, expected_exception):
"""Test the attributes of dimensionless and custom particles generated from
JSON representation"""
if expected_exception is None:
instance = cls(**kwargs)
test_file_object = io.StringIO(json_string)
instance_from_json = json_load_particle(test_file_object)
assert u.isclose(
instance.mass, instance_from_json.mass, equal_nan=True
), pytest.fail(
f"Expected a mass value of {instance.mass}\n"
f"Received a mass value of {instance_from_json.mass}"
)
assert u.isclose(
instance.charge, instance_from_json.charge, equal_nan=True
), pytest.fail(
f"Expected a charge value of {instance.charge}\n"
f"Received a charge value of {instance_from_json.charge}"
)
else:
with pytest.raises(expected_exception):
test_file_object = io.StringIO(json_string)
instance_from_json = json_load_particle(test_file_object)
pytest.fail(
f"{cls.__name__} with ({json_string})"
f" did not raise: {expected_exception.__name__}."
)
def test_particles_from_json_file(cls, kwargs, json_string,
expected_exception):
"""Test the attributes of Particle objects created from JSON representation."""
if expected_exception is None:
instance = cls(**kwargs)
test_file_object = io.StringIO(json_string)
test_file_object.seek(0, io.SEEK_SET)
instance_from_json = json_load_particle(test_file_object)
expected_particle = instance.symbol
actual_particle = instance_from_json.symbol
assert expected_particle == actual_particle, pytest.fail(
f"Expected {expected_particle}\nGot {actual_particle}")
else:
with pytest.raises(expected_exception):
test_file_object = io.StringIO(json_string)
instance_from_json = json_load_particle(test_file_object)
pytest.fail(f"{cls.__name__} with ({json_string})"
f" did not raise: {expected_exception.__name__}.")