def test_get_size_of_cached_data():
test_obj = PersistentLRUCache(directory=directory)
modified_time = time.time()
assert test_obj.get_size_of_cached_data() == 0
test_obj.refresh("some_key", "abcd", modified_time)
assert test_obj.get_size_of_cached_data() == 4
test_obj.write("some_other_key", "42")
assert test_obj.get_size_of_cached_data() == 6
test_obj.write("some_other_key", 52)
assert test_obj.get_size_of_cached_data() == 6
test_obj.refresh("some_key", "abcd", modified_time)
assert test_obj.get_size_of_cached_data() == 6
def test_resize():
test_obj = PersistentLRUCache(directory=directory, expiration_time=0.00001,maxsize_in_MB=30)
test_obj.set_resize_intervall(0)
for i in range(10,62):
test_obj.refresh(str(i), "a"*2000000, time.time())
time.sleep(0.001)
assert test_obj.get_size_of_cached_data() < 30000003
for j in range(10,i-14+1):
assert not str(j) in test_obj.get_keys()
for j in range(10,i+1)[-14:]:
assert test_obj.get_value(str(j)) == "a"*2000000
def test_resize_dirty():
test_obj = PersistentLRUCache(directory=directory, maxsize_in_MB=0)
test_obj.set_resize_intervall(0)
for i in range(10,62):
test_obj.write(str(i), "a"*2000000)
assert test_obj.get_size_of_cached_data() > 50000000
