mirror of
https://github.com/python-kasa/python-kasa.git
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8c39e81a40
# Public # SmartDeviceException -> KasaException UnsupportedDeviceException(SmartDeviceException) -> UnsupportedDeviceError(KasaException) TimeoutException(SmartDeviceException, asyncio.TimeoutError) -> TimeoutError(KasaException, asyncio.TimeoutError) Add new exception for error codes -> DeviceError(KasaException) AuthenticationException(SmartDeviceException) -> AuthenticationError(DeviceError) # Internal # RetryableException(SmartDeviceException) -> _RetryableError(DeviceError) ConnectionException(SmartDeviceException) -> _ConnectionError(KasaException)
617 lines
19 KiB
Python
617 lines
19 KiB
Python
import asyncio
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import errno
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import importlib
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import inspect
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import json
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import logging
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import os
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import pkgutil
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import struct
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import sys
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import pytest
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from ..aestransport import AesTransport
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from ..credentials import Credentials
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from ..deviceconfig import DeviceConfig
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from ..exceptions import KasaException
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from ..iotprotocol import IotProtocol, _deprecated_TPLinkSmartHomeProtocol
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from ..klaptransport import KlapTransport, KlapTransportV2
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from ..protocol import (
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BaseProtocol,
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BaseTransport,
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)
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from ..xortransport import XorEncryption, XorTransport
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@pytest.mark.parametrize(
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"protocol_class, transport_class",
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[
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(_deprecated_TPLinkSmartHomeProtocol, XorTransport),
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(IotProtocol, XorTransport),
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],
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ids=("_deprecated_TPLinkSmartHomeProtocol", "IotProtocol-XorTransport"),
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)
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@pytest.mark.parametrize("retry_count", [1, 3, 5])
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async def test_protocol_retries(mocker, retry_count, protocol_class, transport_class):
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def aio_mock_writer(_, __):
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reader = mocker.patch("asyncio.StreamReader")
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writer = mocker.patch("asyncio.StreamWriter")
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mocker.patch(
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"asyncio.StreamWriter.write", side_effect=Exception("dummy exception")
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)
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return reader, writer
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conn = mocker.patch("asyncio.open_connection", side_effect=aio_mock_writer)
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config = DeviceConfig("127.0.0.1")
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with pytest.raises(KasaException):
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await protocol_class(transport=transport_class(config=config)).query(
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{}, retry_count=retry_count
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)
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assert conn.call_count == retry_count + 1
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@pytest.mark.parametrize(
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"protocol_class, transport_class",
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[
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(_deprecated_TPLinkSmartHomeProtocol, XorTransport),
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(IotProtocol, XorTransport),
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],
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ids=("_deprecated_TPLinkSmartHomeProtocol", "IotProtocol-XorTransport"),
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)
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async def test_protocol_no_retry_on_unreachable(
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mocker, protocol_class, transport_class
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):
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conn = mocker.patch(
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"asyncio.open_connection",
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side_effect=OSError(errno.EHOSTUNREACH, "No route to host"),
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)
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config = DeviceConfig("127.0.0.1")
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with pytest.raises(KasaException):
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await protocol_class(transport=transport_class(config=config)).query(
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{}, retry_count=5
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)
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assert conn.call_count == 1
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@pytest.mark.parametrize(
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"protocol_class, transport_class",
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[
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(_deprecated_TPLinkSmartHomeProtocol, XorTransport),
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(IotProtocol, XorTransport),
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],
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ids=("_deprecated_TPLinkSmartHomeProtocol", "IotProtocol-XorTransport"),
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)
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async def test_protocol_no_retry_connection_refused(
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mocker, protocol_class, transport_class
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):
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conn = mocker.patch(
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"asyncio.open_connection",
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side_effect=ConnectionRefusedError,
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)
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config = DeviceConfig("127.0.0.1")
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with pytest.raises(KasaException):
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await protocol_class(transport=transport_class(config=config)).query(
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{}, retry_count=5
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)
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assert conn.call_count == 1
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@pytest.mark.parametrize(
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"protocol_class, transport_class",
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[
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(_deprecated_TPLinkSmartHomeProtocol, XorTransport),
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(IotProtocol, XorTransport),
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],
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ids=("_deprecated_TPLinkSmartHomeProtocol", "IotProtocol-XorTransport"),
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)
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async def test_protocol_retry_recoverable_error(
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mocker, protocol_class, transport_class
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):
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conn = mocker.patch(
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"asyncio.open_connection",
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side_effect=OSError(errno.ECONNRESET, "Connection reset by peer"),
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)
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config = DeviceConfig("127.0.0.1")
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with pytest.raises(KasaException):
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await protocol_class(transport=transport_class(config=config)).query(
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{}, retry_count=5
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)
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assert conn.call_count == 6
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@pytest.mark.parametrize(
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"protocol_class, transport_class, encryption_class",
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[
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(
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_deprecated_TPLinkSmartHomeProtocol,
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XorTransport,
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_deprecated_TPLinkSmartHomeProtocol,
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),
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(IotProtocol, XorTransport, XorEncryption),
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],
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ids=("_deprecated_TPLinkSmartHomeProtocol", "IotProtocol-XorTransport"),
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)
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@pytest.mark.parametrize("retry_count", [1, 3, 5])
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async def test_protocol_reconnect(
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mocker, retry_count, protocol_class, transport_class, encryption_class
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):
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remaining = retry_count
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encrypted = encryption_class.encrypt('{"great":"success"}')[
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transport_class.BLOCK_SIZE :
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]
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def _fail_one_less_than_retry_count(*_):
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nonlocal remaining
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remaining -= 1
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if remaining:
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raise Exception("Simulated write failure")
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async def _mock_read(byte_count):
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nonlocal encrypted
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if byte_count == transport_class.BLOCK_SIZE:
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return struct.pack(">I", len(encrypted))
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if byte_count == len(encrypted):
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return encrypted
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raise ValueError(f"No mock for {byte_count}")
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def aio_mock_writer(_, __):
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reader = mocker.patch("asyncio.StreamReader")
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writer = mocker.patch("asyncio.StreamWriter")
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mocker.patch.object(writer, "write", _fail_one_less_than_retry_count)
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mocker.patch.object(reader, "readexactly", _mock_read)
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return reader, writer
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config = DeviceConfig("127.0.0.1")
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protocol = protocol_class(transport=transport_class(config=config))
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mocker.patch("asyncio.open_connection", side_effect=aio_mock_writer)
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response = await protocol.query({}, retry_count=retry_count)
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assert response == {"great": "success"}
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@pytest.mark.parametrize(
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"protocol_class, transport_class, encryption_class",
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[
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(
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_deprecated_TPLinkSmartHomeProtocol,
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XorTransport,
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_deprecated_TPLinkSmartHomeProtocol,
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),
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(IotProtocol, XorTransport, XorEncryption),
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],
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ids=("_deprecated_TPLinkSmartHomeProtocol", "IotProtocol-XorTransport"),
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)
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async def test_protocol_handles_cancellation_during_write(
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mocker, protocol_class, transport_class, encryption_class
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):
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attempts = 0
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encrypted = encryption_class.encrypt('{"great":"success"}')[
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transport_class.BLOCK_SIZE :
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]
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def _cancel_first_attempt(*_):
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nonlocal attempts
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attempts += 1
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if attempts == 1:
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raise asyncio.CancelledError("Simulated task cancel")
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async def _mock_read(byte_count):
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nonlocal encrypted
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if byte_count == transport_class.BLOCK_SIZE:
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return struct.pack(">I", len(encrypted))
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if byte_count == len(encrypted):
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return encrypted
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raise ValueError(f"No mock for {byte_count}")
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def aio_mock_writer(_, __):
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reader = mocker.patch("asyncio.StreamReader")
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writer = mocker.patch("asyncio.StreamWriter")
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mocker.patch.object(writer, "write", _cancel_first_attempt)
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mocker.patch.object(reader, "readexactly", _mock_read)
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return reader, writer
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config = DeviceConfig("127.0.0.1")
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protocol = protocol_class(transport=transport_class(config=config))
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conn_mock = mocker.patch("asyncio.open_connection", side_effect=aio_mock_writer)
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with pytest.raises(asyncio.CancelledError):
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await protocol.query({})
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writer_obj = protocol if hasattr(protocol, "writer") else protocol._transport
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assert writer_obj.writer is None
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conn_mock.assert_awaited_once()
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response = await protocol.query({})
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assert response == {"great": "success"}
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@pytest.mark.parametrize(
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"protocol_class, transport_class, encryption_class",
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[
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(
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_deprecated_TPLinkSmartHomeProtocol,
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XorTransport,
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_deprecated_TPLinkSmartHomeProtocol,
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),
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(IotProtocol, XorTransport, XorEncryption),
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],
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ids=("_deprecated_TPLinkSmartHomeProtocol", "IotProtocol-XorTransport"),
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)
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async def test_protocol_handles_cancellation_during_connection(
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mocker, protocol_class, transport_class, encryption_class
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):
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attempts = 0
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encrypted = encryption_class.encrypt('{"great":"success"}')[
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transport_class.BLOCK_SIZE :
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]
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async def _mock_read(byte_count):
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nonlocal encrypted
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if byte_count == transport_class.BLOCK_SIZE:
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return struct.pack(">I", len(encrypted))
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if byte_count == len(encrypted):
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return encrypted
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raise ValueError(f"No mock for {byte_count}")
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def aio_mock_writer(_, __):
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nonlocal attempts
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attempts += 1
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if attempts == 1:
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raise asyncio.CancelledError("Simulated task cancel")
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reader = mocker.patch("asyncio.StreamReader")
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writer = mocker.patch("asyncio.StreamWriter")
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mocker.patch.object(reader, "readexactly", _mock_read)
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return reader, writer
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config = DeviceConfig("127.0.0.1")
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protocol = protocol_class(transport=transport_class(config=config))
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conn_mock = mocker.patch("asyncio.open_connection", side_effect=aio_mock_writer)
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with pytest.raises(asyncio.CancelledError):
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await protocol.query({})
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writer_obj = protocol if hasattr(protocol, "writer") else protocol._transport
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assert writer_obj.writer is None
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conn_mock.assert_awaited_once()
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response = await protocol.query({})
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assert response == {"great": "success"}
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@pytest.mark.parametrize(
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"protocol_class, transport_class, encryption_class",
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[
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(
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_deprecated_TPLinkSmartHomeProtocol,
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XorTransport,
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_deprecated_TPLinkSmartHomeProtocol,
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),
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(IotProtocol, XorTransport, XorEncryption),
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],
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ids=("_deprecated_TPLinkSmartHomeProtocol", "IotProtocol-XorTransport"),
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)
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@pytest.mark.parametrize("log_level", [logging.WARNING, logging.DEBUG])
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async def test_protocol_logging(
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mocker, caplog, log_level, protocol_class, transport_class, encryption_class
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):
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caplog.set_level(log_level)
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logging.getLogger("kasa").setLevel(log_level)
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encrypted = encryption_class.encrypt('{"great":"success"}')[
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transport_class.BLOCK_SIZE :
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]
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async def _mock_read(byte_count):
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nonlocal encrypted
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if byte_count == transport_class.BLOCK_SIZE:
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return struct.pack(">I", len(encrypted))
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if byte_count == len(encrypted):
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return encrypted
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raise ValueError(f"No mock for {byte_count}")
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def aio_mock_writer(_, __):
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reader = mocker.patch("asyncio.StreamReader")
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writer = mocker.patch("asyncio.StreamWriter")
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mocker.patch.object(reader, "readexactly", _mock_read)
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return reader, writer
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config = DeviceConfig("127.0.0.1")
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protocol = protocol_class(transport=transport_class(config=config))
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mocker.patch("asyncio.open_connection", side_effect=aio_mock_writer)
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response = await protocol.query({})
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assert response == {"great": "success"}
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if log_level == logging.DEBUG:
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assert "success" in caplog.text
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else:
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assert "success" not in caplog.text
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@pytest.mark.parametrize(
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"protocol_class, transport_class, encryption_class",
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[
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(
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_deprecated_TPLinkSmartHomeProtocol,
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XorTransport,
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_deprecated_TPLinkSmartHomeProtocol,
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),
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(IotProtocol, XorTransport, XorEncryption),
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],
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ids=("_deprecated_TPLinkSmartHomeProtocol", "IotProtocol-XorTransport"),
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)
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@pytest.mark.parametrize("custom_port", [123, None])
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async def test_protocol_custom_port(
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mocker, custom_port, protocol_class, transport_class, encryption_class
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):
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encrypted = encryption_class.encrypt('{"great":"success"}')[
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transport_class.BLOCK_SIZE :
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]
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async def _mock_read(byte_count):
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nonlocal encrypted
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if byte_count == transport_class.BLOCK_SIZE:
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return struct.pack(">I", len(encrypted))
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if byte_count == len(encrypted):
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return encrypted
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raise ValueError(f"No mock for {byte_count}")
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def aio_mock_writer(_, port):
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reader = mocker.patch("asyncio.StreamReader")
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writer = mocker.patch("asyncio.StreamWriter")
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if custom_port is None:
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assert port == 9999
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else:
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assert port == custom_port
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mocker.patch.object(reader, "readexactly", _mock_read)
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return reader, writer
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config = DeviceConfig("127.0.0.1", port_override=custom_port)
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protocol = protocol_class(transport=transport_class(config=config))
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mocker.patch("asyncio.open_connection", side_effect=aio_mock_writer)
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response = await protocol.query({})
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assert response == {"great": "success"}
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@pytest.mark.parametrize(
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"encrypt_class",
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[_deprecated_TPLinkSmartHomeProtocol, XorEncryption],
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)
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@pytest.mark.parametrize(
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"decrypt_class",
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[_deprecated_TPLinkSmartHomeProtocol, XorEncryption],
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)
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def test_encrypt(encrypt_class, decrypt_class):
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d = json.dumps({"foo": 1, "bar": 2})
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encrypted = encrypt_class.encrypt(d)
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# encrypt adds a 4 byte header
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encrypted = encrypted[4:]
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assert d == decrypt_class.decrypt(encrypted)
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@pytest.mark.parametrize(
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"encrypt_class",
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[_deprecated_TPLinkSmartHomeProtocol, XorEncryption],
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)
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def test_encrypt_unicode(encrypt_class):
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d = "{'snowman': '\u2603'}"
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e = bytes(
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[
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208,
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247,
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132,
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234,
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133,
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242,
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159,
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254,
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144,
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183,
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141,
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173,
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138,
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104,
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240,
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115,
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84,
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41,
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]
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)
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encrypted = encrypt_class.encrypt(d)
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# encrypt adds a 4 byte header
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encrypted = encrypted[4:]
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assert e == encrypted
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@pytest.mark.parametrize(
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"decrypt_class",
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[_deprecated_TPLinkSmartHomeProtocol, XorEncryption],
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)
|
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def test_decrypt_unicode(decrypt_class):
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e = bytes(
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[
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208,
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247,
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132,
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234,
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133,
|
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242,
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|
159,
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|
254,
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|
144,
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|
183,
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|
141,
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|
173,
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|
138,
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|
104,
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|
240,
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115,
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|
84,
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41,
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]
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)
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d = "{'snowman': '\u2603'}"
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assert d == decrypt_class.decrypt(e)
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|
|
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def _get_subclasses(of_class):
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package = sys.modules["kasa"]
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subclasses = set()
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for _, modname, _ in pkgutil.iter_modules(package.__path__):
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importlib.import_module("." + modname, package="kasa")
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module = sys.modules["kasa." + modname]
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for name, obj in inspect.getmembers(module):
|
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if (
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inspect.isclass(obj)
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and issubclass(obj, of_class)
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and name != "_deprecated_TPLinkSmartHomeProtocol"
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):
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subclasses.add((name, obj))
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return subclasses
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|
|
|
|
@pytest.mark.parametrize(
|
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"class_name_obj", _get_subclasses(BaseProtocol), ids=lambda t: t[0]
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)
|
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def test_protocol_init_signature(class_name_obj):
|
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if class_name_obj[0].startswith("_"):
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pytest.skip("Skipping internal protocols")
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return
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params = list(inspect.signature(class_name_obj[1].__init__).parameters.values())
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assert len(params) == 2
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assert (
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params[0].name == "self"
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and params[0].kind == inspect.Parameter.POSITIONAL_OR_KEYWORD
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)
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assert (
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params[1].name == "transport"
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and params[1].kind == inspect.Parameter.KEYWORD_ONLY
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)
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|
|
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@pytest.mark.parametrize(
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"class_name_obj", _get_subclasses(BaseTransport), ids=lambda t: t[0]
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)
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def test_transport_init_signature(class_name_obj):
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params = list(inspect.signature(class_name_obj[1].__init__).parameters.values())
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assert len(params) == 2
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assert (
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params[0].name == "self"
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and params[0].kind == inspect.Parameter.POSITIONAL_OR_KEYWORD
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)
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assert (
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params[1].name == "config" and params[1].kind == inspect.Parameter.KEYWORD_ONLY
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)
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|
|
|
|
@pytest.mark.parametrize(
|
|
"transport_class",
|
|
[AesTransport, KlapTransport, KlapTransportV2, XorTransport, XorTransport],
|
|
)
|
|
async def test_transport_credentials_hash(mocker, transport_class):
|
|
host = "127.0.0.1"
|
|
|
|
credentials = Credentials("Foo", "Bar")
|
|
config = DeviceConfig(host, credentials=credentials)
|
|
transport = transport_class(config=config)
|
|
credentials_hash = transport.credentials_hash
|
|
config = DeviceConfig(host, credentials_hash=credentials_hash)
|
|
transport = transport_class(config=config)
|
|
|
|
assert transport.credentials_hash == credentials_hash
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"error, retry_expectation",
|
|
[
|
|
(ConnectionRefusedError("dummy exception"), False),
|
|
(OSError(errno.EHOSTDOWN, os.strerror(errno.EHOSTDOWN)), False),
|
|
(OSError(errno.ECONNRESET, os.strerror(errno.ECONNRESET)), True),
|
|
(Exception("dummy exception"), True),
|
|
],
|
|
ids=("ConnectionRefusedError", "OSErrorNoRetry", "OSErrorRetry", "Exception"),
|
|
)
|
|
@pytest.mark.parametrize(
|
|
"protocol_class, transport_class",
|
|
[
|
|
(_deprecated_TPLinkSmartHomeProtocol, XorTransport),
|
|
(IotProtocol, XorTransport),
|
|
],
|
|
ids=("_deprecated_TPLinkSmartHomeProtocol", "IotProtocol-XorTransport"),
|
|
)
|
|
async def test_protocol_will_retry_on_connect(
|
|
mocker, protocol_class, transport_class, error, retry_expectation
|
|
):
|
|
retry_count = 2
|
|
conn = mocker.patch("asyncio.open_connection", side_effect=error)
|
|
config = DeviceConfig("127.0.0.1")
|
|
with pytest.raises(KasaException):
|
|
await protocol_class(transport=transport_class(config=config)).query(
|
|
{}, retry_count=retry_count
|
|
)
|
|
|
|
assert conn.call_count == (retry_count + 1 if retry_expectation else 1)
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"error, retry_expectation",
|
|
[
|
|
(ConnectionRefusedError("dummy exception"), True),
|
|
(OSError(errno.EHOSTDOWN, os.strerror(errno.EHOSTDOWN)), True),
|
|
(OSError(errno.ECONNRESET, os.strerror(errno.ECONNRESET)), True),
|
|
(Exception("dummy exception"), True),
|
|
],
|
|
ids=("ConnectionRefusedError", "OSErrorNoRetry", "OSErrorRetry", "Exception"),
|
|
)
|
|
@pytest.mark.parametrize(
|
|
"protocol_class, transport_class",
|
|
[
|
|
(_deprecated_TPLinkSmartHomeProtocol, XorTransport),
|
|
(IotProtocol, XorTransport),
|
|
],
|
|
ids=("_deprecated_TPLinkSmartHomeProtocol", "IotProtocol-XorTransport"),
|
|
)
|
|
async def test_protocol_will_retry_on_write(
|
|
mocker, protocol_class, transport_class, error, retry_expectation
|
|
):
|
|
retry_count = 2
|
|
writer = mocker.patch("asyncio.StreamWriter")
|
|
write_mock = mocker.patch.object(writer, "write", side_effect=error)
|
|
|
|
def aio_mock_writer(_, __):
|
|
nonlocal writer
|
|
reader = mocker.patch("asyncio.StreamReader")
|
|
|
|
return reader, writer
|
|
|
|
conn = mocker.patch("asyncio.open_connection", side_effect=aio_mock_writer)
|
|
write_mock = mocker.patch("asyncio.StreamWriter.write", side_effect=error)
|
|
config = DeviceConfig("127.0.0.1")
|
|
with pytest.raises(KasaException):
|
|
await protocol_class(transport=transport_class(config=config)).query(
|
|
{}, retry_count=retry_count
|
|
)
|
|
|
|
expected_call_count = retry_count + 1 if retry_expectation else 1
|
|
assert conn.call_count == expected_call_count
|
|
assert write_mock.call_count == expected_call_count
|
|
|
|
|
|
def test_deprecated_protocol():
|
|
with pytest.deprecated_call():
|
|
from kasa import TPLinkSmartHomeProtocol
|
|
|
|
with pytest.raises(KasaException, match="host or transport must be supplied"):
|
|
proto = TPLinkSmartHomeProtocol()
|
|
host = "127.0.0.1"
|
|
proto = TPLinkSmartHomeProtocol(host=host)
|
|
assert proto.config.host == host
|