Steven B 1ba5c73279
Fix potential infinite loop if incomplete lists returned ()
Fixes the test framework to handle fixtures with incomplete lists better by checking for completeness and overriding the sum. Also adds a pytest-timeout dev dependency with timeout set to 10 seconds. Finally fixes smartprotocol to prevent an infinite loop if incomplete lists ever happens in the real world.

Co-authored-by: Teemu R. <tpr@iki.fi>
2024-05-19 10:34:52 +01:00

108 lines
2.7 KiB
Python

from __future__ import annotations
import warnings
from unittest.mock import MagicMock, patch
import pytest
from kasa import (
DeviceConfig,
SmartProtocol,
)
from kasa.protocol import BaseTransport
from .device_fixtures import * # noqa: F403
from .discovery_fixtures import * # noqa: F403
# Parametrize tests to run with device both on and off
turn_on = pytest.mark.parametrize("turn_on", [True, False])
async def handle_turn_on(dev, turn_on):
if turn_on:
await dev.turn_on()
else:
await dev.turn_off()
@pytest.fixture
def dummy_protocol():
"""Return a smart protocol instance with a mocking-ready dummy transport."""
class DummyTransport(BaseTransport):
@property
def default_port(self) -> int:
return -1
@property
def credentials_hash(self) -> str:
return "dummy hash"
async def send(self, request: str) -> dict:
return {}
async def close(self) -> None:
pass
async def reset(self) -> None:
pass
transport = DummyTransport(config=DeviceConfig(host="127.0.0.123"))
protocol = SmartProtocol(transport=transport)
with patch.object(protocol, "BACKOFF_SECONDS_AFTER_TIMEOUT", 0):
yield protocol
def pytest_configure():
pytest.fixtures_missing_methods = {}
def pytest_sessionfinish(session, exitstatus):
if not pytest.fixtures_missing_methods:
return
msg = "\n"
for fixture, methods in sorted(pytest.fixtures_missing_methods.items()):
method_list = ", ".join(methods)
msg += f"Fixture {fixture} missing: {method_list}\n"
warnings.warn(
UserWarning(msg),
stacklevel=1,
)
def pytest_addoption(parser):
parser.addoption(
"--ip", action="store", default=None, help="run against device on given ip"
)
parser.addoption(
"--username", action="store", default=None, help="authentication username"
)
parser.addoption(
"--password", action="store", default=None, help="authentication password"
)
def pytest_collection_modifyitems(config, items):
if not config.getoption("--ip"):
print("Testing against fixtures.")
else:
print("Running against ip %s" % config.getoption("--ip"))
requires_dummy = pytest.mark.skip(
reason="test requires to be run against dummy data"
)
for item in items:
if "requires_dummy" in item.keywords:
item.add_marker(requires_dummy)
# allow mocks to be awaited
# https://stackoverflow.com/questions/51394411/python-object-magicmock-cant-be-used-in-await-expression/51399767#51399767
async def async_magic():
pass
MagicMock.__await__ = lambda x: async_magic().__await__()