Marc Billow
07061c734d
Continues narrowing SamsungEntityDescription accesses to the correct subclass and asserting Optional write_fn/match_fn/exists_fn fields are set before calling them, per the pattern established in the previous commit.
204 lines
8.0 KiB
Python
204 lines
8.0 KiB
Python
"""Tests for LocalThingsCoordinator.async_send_command's optimistic-apply
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step, specifically for x.com.samsung.da.options[] writes (issue #54).
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The write itself only needs to carry the single changed token -- confirmed
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on real hardware, the device merges by prefix and evicts the stale token
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itself. But observe.ObserveManager.apply() does a shallow {**cached, **rep}
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field merge, so handing it that same minimal single-token body would
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overwrite the *whole* cached options[] field, wiping every sibling option
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(other courses/levels/toggles packed into the same array) until the next
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real poll lands. async_send_command must pre-merge the token into the
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cached array itself before applying it optimistically, while still POSTing
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only the minimal body over the wire.
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"""
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from __future__ import annotations
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from typing import cast
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from unittest.mock import AsyncMock
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import cbor2
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import pytest
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from homeassistant.core import HomeAssistant
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from pytest_homeassistant_custom_component.common import MockConfigEntry
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from smartthings_local.protocol.dtls_session import DtlsCoapSession
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from custom_components.localthings.const import (
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CONF_HOST,
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CONF_LEAF_CERT_PEM,
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CONF_LEAF_KEY_PEM,
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CONF_PORT,
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DOMAIN,
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)
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from custom_components.localthings.coordinator import LocalThingsCoordinator
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from custom_components.localthings.registry.capabilities import laundry
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from custom_components.localthings.registry.capabilities.airconditioner import _climate_write
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from custom_components.localthings.registry.capability import Capability
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from custom_components.localthings.registry.discovery import BoundEntity
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from custom_components.localthings.registry.entities import ClimateDesc
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from custom_components.localthings.registry.subdevices import Subdevice
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ENTRY_DATA = {
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CONF_HOST: "10.0.0.199",
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CONF_PORT: 49154,
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CONF_LEAF_CERT_PEM: "-----BEGIN CERTIFICATE-----\nTEST-LEAF\n-----END CERTIFICATE-----",
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CONF_LEAF_KEY_PEM: "-----BEGIN PRIVATE KEY-----\nTEST-LEAF-KEY\n-----END PRIVATE KEY-----",
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}
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class _FakeSendSession:
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def __init__(self):
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self.post_calls: list[tuple[list[str], bytes]] = []
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def post(self, path_segs, payload, timeout=None):
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self.post_calls.append((list(path_segs), payload))
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return 0x44, b""
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def pace(self):
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pass
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@pytest.fixture
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def coordinator(hass: HomeAssistant) -> LocalThingsCoordinator:
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entry = MockConfigEntry(
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domain=DOMAIN,
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data=ENTRY_DATA,
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unique_id="localthings_SENDCMD-TEST",
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)
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entry.add_to_hass(hass)
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coord = LocalThingsCoordinator(hass, entry)
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coord.async_request_refresh = AsyncMock()
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coord._session = cast(DtlsCoapSession, _FakeSendSession())
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return coord
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async def test_options_write_posts_only_the_changed_token(coordinator) -> None:
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href = "/course/vs/0"
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coordinator._observe.apply(
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href,
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{
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"x.com.samsung.da.options": ["DeviceType_0167", "Course_16", "GMT_04"],
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},
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source="poll",
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)
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desc = laundry.cycle_select(translation_key="dryer_cycle", icon="x")
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bound = BoundEntity(href=href, capability=Capability(), desc=desc)
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await coordinator.async_send_command(bound, "1D")
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posted_path, posted_bytes = coordinator._session.post_calls[0]
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assert posted_path == ["course", "vs", "0"]
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assert cbor2.loads(posted_bytes) == {"x.com.samsung.da.options": ["Course_1D"]}
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async def test_options_write_optimistic_cache_keeps_sibling_tokens(coordinator) -> None:
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"""The regression this guards: applying the minimal wire body straight
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to the cache would wipe DeviceType_0167/GMT_04 until the next poll."""
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href = "/course/vs/0"
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coordinator._observe.apply(
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href,
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{
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"x.com.samsung.da.options": ["DeviceType_0167", "Course_16", "GMT_04"],
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},
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source="poll",
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)
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desc = laundry.cycle_select(translation_key="dryer_cycle", icon="x")
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bound = BoundEntity(href=href, capability=Capability(), desc=desc)
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await coordinator.async_send_command(bound, "1D")
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cached = coordinator._cache.get(href)
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assert cached["x.com.samsung.da.options"] == [
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"DeviceType_0167",
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"Course_1D",
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"GMT_04",
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]
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# ---------------------------------------------------------------------------
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# Subdevice write translation (issue #177): a composite-entity write_fn (here
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# airconditioner._climate_write) returns *canonical* path_segs
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# (['power', 'vs', '0']) -- async_send_command must translate that through
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# bound_entity.subdevice.to_actual before POSTing, applying the optimistic
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# value, and starting the settle guard, or a subdevice's climate card would
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# write to (and read confirmation from) the master's resource instead of
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# its own.
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# ---------------------------------------------------------------------------
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def _climate_bound(href: str, subdevice: Subdevice) -> BoundEntity:
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desc = ClimateDesc(key="climate", translation_key="airconditioner", write_fn=_climate_write)
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return BoundEntity(href=href, capability=Capability(), desc=desc, subdevice=subdevice)
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async def test_indexed_subdevice_write_posts_to_translated_path(coordinator) -> None:
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"""A power write from the bedroom subdevice's (indexed '1') climate entity
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must POST to /power/vs/1, not the master's /power/vs/0."""
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sub1 = Subdevice(kind="indexed", key="1", seed_path=("device", "1"))
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bound = _climate_bound("/mode/vs/1", sub1)
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await coordinator.async_send_command(bound, ("power", True))
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posted_path, posted_bytes = coordinator._session.post_calls[0]
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assert posted_path == ["power", "vs", "1"]
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assert cbor2.loads(posted_bytes) == {"x.com.samsung.da.power": "On"}
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async def test_indexed_subdevice_write_applies_optimistic_value_to_translated_href(
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coordinator,
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) -> None:
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sub1 = Subdevice(kind="indexed", key="1", seed_path=("device", "1"))
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bound = _climate_bound("/mode/vs/1", sub1)
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await coordinator.async_send_command(bound, ("power", True))
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# The optimistic apply + settle guard must land on /power/vs/1 -- the
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# translated href a real device confirms this write against -- not on
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# /mode/vs/1 (bound_entity.href) or /power/vs/0 (the master's resource).
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assert coordinator._cache.get("/power/vs/1") == {"x.com.samsung.da.power": "On"}
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assert coordinator._cache.get("/power/vs/0") is None
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# The settle guard is armed on that same translated href: a stale poll
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# reporting the pre-write value must be dropped, not allowed to revert
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# the optimistic 'On' (issue #27's regression, translated to a
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# subdevice's own resource).
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applied = coordinator._observe.apply(
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"/power/vs/1",
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{"x.com.samsung.da.power": "Off"},
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source="poll",
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)
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assert applied is False
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assert coordinator._cache.get("/power/vs/1") == {"x.com.samsung.da.power": "On"}
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async def test_prefixed_subdevice_write_posts_to_translated_path(coordinator) -> None:
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"""A power write from a UUID-prefixed subdevice's climate entity must POST
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to /<uuid>/power/vs/0, not the bare canonical href."""
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sub_id = "6c2dff6d-ee5c-dad1-6a5e-000000000001"
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subdevice = Subdevice(kind="prefixed", key=sub_id, seed_path=(sub_id, "device", "0"))
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bound = _climate_bound(f"/{sub_id}/mode/vs/0", subdevice)
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await coordinator.async_send_command(bound, ("power", True))
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posted_path, posted_bytes = coordinator._session.post_calls[0]
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assert posted_path == [sub_id, "power", "vs", "0"]
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assert cbor2.loads(posted_bytes) == {"x.com.samsung.da.power": "On"}
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assert coordinator._cache.get(f"/{sub_id}/power/vs/0") == {
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"x.com.samsung.da.power": "On",
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}
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async def test_main_climate_write_unaffected_by_subdevice_translation(coordinator) -> None:
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"""MAIN's to_actual is the identity transform -- a device with no
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subdevices must keep posting to the exact same path as before this
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translation step existed."""
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from custom_components.localthings.registry.subdevices import MAIN
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bound = _climate_bound("/mode/vs/0", MAIN)
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await coordinator.async_send_command(bound, ("power", True))
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posted_path, _ = coordinator._session.post_calls[0]
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assert posted_path == ["power", "vs", "0"]
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