def get_bloom(**overrides):
'''
Helper function to easily get a bloom for testing.
'''
kwargs = copy(BLOOM_DEFAULTS)
kwargs.update(overrides)
return TimingBloomFilter(**kwargs)
def get_bloom(temp_path, disable_optimizations=False):
# Create a bloom
bloom = TimingBloomFilter(
capacity=1000,
decay_time=86400,
data_path=temp_path,
disable_optimizations=disable_optimizations,
)
# Add a bunch of keys
for i in range(100):
bloom.add(str(i))
# Check that the bloom is working as expected
assert bloom.contains('1')
assert bloom.contains('50')
assert not bloom.contains('101')
return bloom
def test_init_with_bloom_data(exists_mock, load_mock):
# Setup test data and mocks
exists_mock.return_value = True
load_mock.return_value = sentinel.data
capacity = 1000
error = 0.002
decay_time = 86400
data_path = '/does/not/exist'
# Call init
bloom = TimingBloomFilter(
capacity=capacity,
error=error,
decay_time=decay_time,
data_path=data_path,
)
# Check that the bloom is setup as expected
assert_bloom_values(
bloom, {
'capacity': capacity,
'error': error,
'data_path': data_path,
'id': None,
'num_bytes': 12935,
'num_hashes': 9,
'ring_size': 15,
'dN': 7,
'seconds_per_tick': 12342.857142857143,
'_optimize': True,
'data': sentinel.data,
})
test_dp, test_mf, test_bf = bloom._get_paths(None)
assert test_dp == '/does/not/exist'
assert test_mf == '/does/not/exist/meta.json'
assert test_bf == '/does/not/exist/bloom.npy'
exists_mock.assert_called_once_with(test_bf)
load_mock.assert_called_once_with(test_bf)
def test_init_no_bloom_data():
# Setup test data
capacity = 1000
error = 0.002
decay_time = 86400
data_path = '/does/not/exist'
id = 5
# Call init and get back a bloom
bloom = TimingBloomFilter(
capacity=capacity,
error=error,
decay_time=decay_time,
data_path=data_path,
id=id,
)
# Make sure the bloom is setup as expected
assert_bloom_values(
bloom, {
'capacity': capacity,
'error': error,
'data_path': data_path,
'id': id,
'num_bytes': 12935,
'num_hashes': 9,
'ring_size': 15,
'dN': 7,
'seconds_per_tick': 12342.857142857143,
'_optimize': True,
})
test_dp, test_mf, test_bf = bloom._get_paths(None)
assert test_dp == '/does/not/exist'
assert test_mf == '/does/not/exist/meta.json'
assert test_bf == '/does/not/exist/bloom.npy'
assert_empty_bloom(bloom)
