def test_randomize_binary_mechanism_array_coins():
array = np.ones(100)
node_single = DataNode()
node_single.set_private_data(name="array", data=array)
node_single.configure_data_access("array", RandomizedResponseCoins())
result = node_single.query("array")
differences = 0
for i in range(100):
if result[i] != array[i]:
differences = differences + 1
assert not np.isscalar(result)
assert 0 < differences < 100
assert np.mean(result) < 1
def test_randomize_binary_mechanism_coins():
data_size = 100
array = np.ones(data_size)
federated_array = shfl.private.federated_operation.federate_array(
array, data_size)
federated_array.configure_data_access(RandomizedResponseCoins())
result = federated_array.query()
differences = 0
for i in range(data_size):
if result[i] != array[i]:
differences = differences + 1
assert 0 < differences < data_size
assert np.mean(result) < 1
def test_randomized_response_coins_epsilon_delta():
randomized_response_coins = RandomizedResponseCoins()
assert randomized_response_coins.epsilon_delta is not None