def test_validate_threshold_not_met(self):
from cryptoconditions.exceptions import ValidationError
from cryptoconditions.types.threshold import ThresholdSha256
threshold_obj = ThresholdSha256(threshold=1)
with raises(ValidationError) as exc:
threshold_obj.validate()
assert exc.value.args == ('Threshold not met', )
def test_init_with_invalid_threshold(self, threshold):
from cryptoconditions.types.threshold import ThresholdSha256
with raises(ValueError) as exc:
ThresholdSha256(threshold=threshold)
assert exc.value.args == (
'Threshold must be a integer greater than zero, was: {}'.format(
threshold), )
def test_asn1_dict_payload(self):
from cryptoconditions.exceptions import ValidationError
from cryptoconditions.types.threshold import ThresholdSha256
threshold_obj = ThresholdSha256(threshold=1)
with raises(ValidationError) as exc:
threshold_obj.asn1_dict_payload
assert exc.value.args == ('Not enough fulfillments', )
def test_add_subfulfillment_type_error(self):
from cryptoconditions.types.threshold import ThresholdSha256
threshold_obj = ThresholdSha256()
with raises(TypeError) as exc:
threshold_obj.add_subfulfillment(123)
assert exc.value.args == (
'Subfulfillments must be URIs or objects of type Fulfillment', )
def test_calculate_cost_missing_data_error(self):
from cryptoconditions.exceptions import MissingDataError
from cryptoconditions.types.threshold import ThresholdSha256
threshold_obj = ThresholdSha256(threshold=1)
with raises(MissingDataError) as exc:
threshold_obj.calculate_cost()
assert exc.value.args == (
'Insufficient number of subconditions to meet the threshold', )
def test_add_subfulfillment_as_object(self, minimal_threshold):
from cryptoconditions.types.threshold import ThresholdSha256
from cryptoconditions.fulfillment import Fulfillment
threshold_obj = ThresholdSha256(
threshold=minimal_threshold.json['threshold'])
subfulfillment_object = Fulfillment.from_json(
minimal_threshold.json['subfulfillments'][0])
threshold_obj.add_subfulfillment(subfulfillment_object)
threshold_obj.serialize_uri == minimal_threshold.fulfillment
def test_validate_threshold_exceeded(self, basic_threshold):
from cryptoconditions.exceptions import ValidationError
from cryptoconditions.fulfillment import Fulfillment
from cryptoconditions.types.threshold import ThresholdSha256
threshold_obj = ThresholdSha256(threshold=2)
for subfulfillment in basic_threshold.json['subfulfillments']:
threshold_obj.add_subfulfillment(
Fulfillment.from_json(subfulfillment))
with raises(ValidationError) as exc:
threshold_obj.validate()
assert exc.value.args == ('Fulfillment is not minimal', )
def test_parse_json_with_subconditions(self, minimal_threshold):
from cryptoconditions.fulfillment import Fulfillment
from cryptoconditions.types.threshold import ThresholdSha256
subfulfillment = Fulfillment.from_json(
minimal_threshold.json.pop('subfulfillments')[0])
subcondition_object = subfulfillment.condition
minimal_threshold.json['subconditions'] = [
subcondition_object.to_json()
]
threshold_obj = ThresholdSha256()
threshold_obj.parse_json(minimal_threshold.json)
assert len(threshold_obj.subconditions) == 1
assert (threshold_obj.subconditions[0]['body'].serialize_uri() ==
subfulfillment.condition_uri)
def test_calculate_worst_case_length(self):
from cryptoconditions.types.threshold import ThresholdSha256
cost = ThresholdSha256.calculate_worst_case_length(1, ())
assert cost == float('-inf')
def test_calculate_worst_case_length(self):
from cryptoconditions.types.threshold import ThresholdSha256
cost = ThresholdSha256.calculate_worst_case_length(1, ())
assert cost == float('-inf')