def test_ebf_import_non_empty(self):
"""test expanding Bloom Filter import when non-empty"""
with NamedTemporaryFile(dir=os.getcwd(), suffix=".ebf", delete=DELETE_TEMP_FILES) as fobj:
blm = ExpandingBloomFilter(est_elements=25, false_positive_rate=0.05)
for i in range(15):
blm.add("{}".format(i))
blm.push()
blm.export(fobj.name)
blm2 = ExpandingBloomFilter(filepath=fobj.name)
self.assertEqual(blm2.expansions, 15)
for i in range(15):
self.assertEqual("{}".format(i) in blm2, True)
# check for things that are not there!
for i in range(99, 125):
self.assertEqual("{}".format(i) in blm2, False)
def test_ebf_import_non_empty(self):
''' test expanding Bloom Filter import when non-empty '''
blm = ExpandingBloomFilter(est_elements=25, false_positive_rate=0.05)
for i in range(15):
blm.add('{}'.format(i))
blm.push()
blm.export('test.ebf')
blm2 = ExpandingBloomFilter(filepath='test.ebf')
self.assertEqual(blm2.expansions, 15)
for i in range(15):
self.assertEqual('{}'.format(i) in blm2, True)
# check for things that are not there!
for i in range(99, 125):
self.assertEqual('{}'.format(i) in blm2, False)
os.remove('test.ebf')
def test_ebf_import_non_empty(self):
''' test expanding Bloom Filter import when non-empty '''
blm = ExpandingBloomFilter(est_elements=25, false_positive_rate=0.05)
for i in range(15):
blm.add('{}'.format(i))
blm.push()
blm.export('test.ebf')
blm2 = ExpandingBloomFilter(filepath='test.ebf')
self.assertEqual(blm2.expansions, 15)
for i in range(15):
self.assertEqual('{}'.format(i) in blm2, True)
# check for things that are not there!
for i in range(99, 125):
self.assertEqual('{}'.format(i) in blm2, False)
os.remove('test.ebf')
def test_ebf_push(self):
''' ensure that we are able to push new Bloom Filters '''
blm = ExpandingBloomFilter(est_elements=25, false_positive_rate=0.05)
self.assertEqual(blm.expansions, 0)
blm.push()
self.assertEqual(blm.expansions, 1)
self.assertEqual(blm.elements_added, 0)
blm.push()
self.assertEqual(blm.expansions, 2)
self.assertEqual(blm.elements_added, 0)
blm.push()
self.assertEqual(blm.expansions, 3)
self.assertEqual(blm.elements_added, 0)
def test_ebf_push(self):
''' ensure that we are able to push new Bloom Filters '''
blm = ExpandingBloomFilter(est_elements=25, false_positive_rate=0.05)
self.assertEqual(blm.expansions, 0)
blm.push()
self.assertEqual(blm.expansions, 1)
self.assertEqual(blm.elements_added, 0)
blm.push()
self.assertEqual(blm.expansions, 2)
self.assertEqual(blm.elements_added, 0)
blm.push()
self.assertEqual(blm.expansions, 3)
self.assertEqual(blm.elements_added, 0)