def test_anonymize_count_single_many(self):
expected_values = np.array([87.5864551, 89.701297, 86.4519884])
epsilon = 1.0
anonymizer = DiffPrivLaplaceMechanism(epsilon)
self.set_seed()
anonymized = anonymizer.anonymize_count(87.0, size=3)
np.testing.assert_almost_equal(anonymized, expected_values)
def test_anonymize_count_multiple(self):
expected_values = np.array([87.5864551, 437.701297])
epsilon = 1.0
anonymizer = DiffPrivLaplaceMechanism(epsilon)
self.set_seed()
anonymized = anonymizer.anonymize_count([87.0, 435.0])
np.testing.assert_almost_equal(anonymized, expected_values)
def test_anonymize_count_single(self):
expected_value = 87.58645513850368
epsilon = 1.0
anonymizer = DiffPrivLaplaceMechanism(epsilon)
self.set_seed()
anonymized = anonymizer.anonymize_count(87.0)
np.testing.assert_almost_equal(anonymized, expected_value)