def test_get_keys():
test_obj = LRUCache(1)
test_obj.refresh("some_key", 43, time.time())
test_obj.write("some_other_key", 42)
assert "some_key" in test_obj.get_keys()
assert "some_other_key" in test_obj.get_keys()
assert not "some_keyXYZ" in test_obj.get_keys()
def test_resize_zerosize():
test_obj = LRUCache(0.001,0)
test_obj.set_resize_intervall(0)
test_obj.refresh("some_key", 43, time.time())
time.sleep(0.001)
assert "some_key" in test_obj.get_keys()
test_obj.refresh("some_other_key", 42, time.time())
assert "some_other_key" in test_obj.get_keys()
assert not "some_key" in test_obj.get_keys() #deleted due to internal resize
assert test_obj.get_value("some_other_key") == 42
def test_resize():
test_obj = LRUCache(0.00001,30)
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() < 50000000
for j in range(10,i-15+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
