def test_cuckoo_filter_export(self):
''' test exporting a cuckoo filter '''
filename = './test.cko'
md5sum = '49b947ddf364d27934570a6b33076b93'
cko = CuckooFilter()
for i in range(1000):
cko.add(str(i))
cko.export(filename)
md5_out = calc_file_md5(filename)
self.assertEqual(md5sum, md5_out)
os.remove(filename)
def test_cuckoo_filter_export(self):
"""test exporting a cuckoo filter"""
md5sum = "1371760d4ee9ccbe83e0144919750140"
with NamedTemporaryFile(dir=os.getcwd(),
suffix=".cko",
delete=DELETE_TEMP_FILES) as fobj:
cko = CuckooFilter()
for i in range(1000):
cko.add(str(i))
cko.export(fobj.name)
md5_out = calc_file_md5(fobj.name)
self.assertEqual(md5sum, md5_out)
def test_cuckoo_filter_load(self):
''' test loading a saved cuckoo filter '''
filename = './test.cko'
md5sum = '49b947ddf364d27934570a6b33076b93'
cko = CuckooFilter()
for i in range(1000):
cko.add(str(i))
cko.export(filename)
md5_out = calc_file_md5(filename)
self.assertEqual(md5sum, md5_out)
ckf = CuckooFilter(filepath=filename)
for i in range(1000):
self.assertTrue(ckf.check(str(i)))
self.assertEqual(10000, ckf.capacity)
self.assertEqual(4, ckf.bucket_size)
self.assertEqual(500, ckf.max_swaps)
self.assertEqual(0.025, ckf.load_factor())
os.remove(filename)
def test_cuckoo_filter_load(self):
"""test loading a saved cuckoo filter"""
md5sum = "1371760d4ee9ccbe83e0144919750140"
with NamedTemporaryFile(dir=os.getcwd(),
suffix=".cko",
delete=DELETE_TEMP_FILES) as fobj:
cko = CuckooFilter()
for i in range(1000):
cko.add(str(i))
cko.export(fobj.name)
md5_out = calc_file_md5(fobj.name)
self.assertEqual(md5sum, md5_out)
ckf = CuckooFilter(filepath=fobj.name)
for i in range(1000):
self.assertTrue(ckf.check(str(i)))
self.assertEqual(10000, ckf.capacity)
self.assertEqual(4, ckf.bucket_size)
self.assertEqual(500, ckf.max_swaps)
self.assertEqual(0.025, ckf.load_factor())
