def test_handle_append_key_does_not_exists():
key, value = 'TEST', 5
operation_status, msg = handle_append(key, value)
assert operation_status is False
assert msg == "ERROR: Key [TEST] does not exists"
handle_delete(key)
def test_handle_append_key_is_not_list():
key, value = 'TEST', 'ONE'
handle_put(key, value)
operation_status, msg = handle_append(key, 1)
assert operation_status is False
assert msg == "ERROR: Key [TEST] contains non-list value ([1])"
handle_delete(key)
def test_handle_append_success():
key, value = 'TEST', [1, 2, 3, 4]
handle_put(key, value)
operation_status, msg = handle_append(key, 5)
value = handle_get(key)
assert operation_status is True
assert msg, "Key [TEST] had value [5] appended"
assert value[1] == [1, 2, 3, 4, 5]
handle_delete(key)
