def test_cbf_union_error_msg(self):
''' test union of two counting bloom filters type error msg '''
blm1 = CountingBloomFilter(est_elements=10, false_positive_rate=0.01)
msg = ('The parameter second must be of type CountingBloomFilter')
try:
blm1.union(1)
except TypeError as ex:
self.assertEqual(str(ex), msg)
else:
self.assertEqual(True, False)
def test_cbf_union_error_msg(self):
""" test union of two counting bloom filters type error msg """
blm1 = CountingBloomFilter(est_elements=10, false_positive_rate=0.01)
msg = "The parameter second must be of type CountingBloomFilter"
try:
blm1.union(1)
except TypeError as ex:
self.assertEqual(str(ex), msg)
else:
self.assertEqual(True, False)
def test_cbf_union(self):
""" test calculating the union between two counting bloom filters """
blm1 = CountingBloomFilter(est_elements=100, false_positive_rate=0.05)
blm1.add("this is a test", 10)
blm1.add("this is a different test", 10)
blm2 = CountingBloomFilter(est_elements=100, false_positive_rate=0.05)
blm2.add("this is a test", 10)
res = blm1.union(blm2)
self.assertEqual(res.check("this is a test"), 20)
self.assertEqual(res.check("this is a different test"), 10)
self.assertEqual(res.check("this is not a test"), 0)
self.assertEqual(res.elements_added, 2)
def test_cbf_union(self):
''' test calculating the union between two counting bloom filters '''
blm1 = CountingBloomFilter(est_elements=100, false_positive_rate=0.05)
blm1.add('this is a test', 10)
blm1.add('this is a different test', 10)
blm2 = CountingBloomFilter(est_elements=100, false_positive_rate=0.05)
blm2.add('this is a test', 10)
res = blm1.union(blm2)
self.assertEqual(res.check('this is a test'), 20)
self.assertEqual(res.check('this is a different test'), 10)
self.assertEqual(res.check('this is not a test'), 0)
self.assertEqual(res.elements_added, 2)
def test_cbf_union_diff(self):
""" test union of an mismath of counting bloom filters """
blm1 = CountingBloomFilter(est_elements=101, false_positive_rate=0.01)
blm2 = CountingBloomFilter(est_elements=10, false_positive_rate=0.01)
self.assertEqual(blm1.union(blm2), None)
def test_cbf_union_error(self):
""" test union of two counting bloom filters type error """
blm1 = CountingBloomFilter(est_elements=10, false_positive_rate=0.01)
self.assertRaises(TypeError, lambda: blm1.union(1))
def test_cbf_union_diff(self):
''' test union of an mismath of counting bloom filters '''
blm1 = CountingBloomFilter(est_elements=101, false_positive_rate=0.01)
blm2 = CountingBloomFilter(est_elements=10, false_positive_rate=0.01)
self.assertEqual(blm1.union(blm2), None)
def test_cbf_union_error(self):
''' test union of two counting bloom filters type error '''
blm1 = CountingBloomFilter(est_elements=10, false_positive_rate=0.01)
self.assertRaises(TypeError, lambda: blm1.union(1))
