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Add significant Change support for alarm control panel (#106021)
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"""Helper to test significant Alarm Control Panel state changes."""
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from __future__ import annotations
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from typing import Any
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from homeassistant.core import HomeAssistant, callback
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from . import ATTR_CHANGED_BY, ATTR_CODE_ARM_REQUIRED
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SIGNIFICANT_ATTRIBUTES: set[str] = {
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ATTR_CHANGED_BY,
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ATTR_CODE_ARM_REQUIRED,
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}
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@callback
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def async_check_significant_change(
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hass: HomeAssistant,
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old_state: str,
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old_attrs: dict,
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new_state: str,
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new_attrs: dict,
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**kwargs: Any,
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) -> bool | None:
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"""Test if state significantly changed."""
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if old_state != new_state:
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return True
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old_attrs_s = set(old_attrs.items())
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new_attrs_s = set(new_attrs.items())
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changed_attrs: set[str] = {item[0] for item in old_attrs_s ^ new_attrs_s}
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for attr_name in changed_attrs:
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if attr_name in SIGNIFICANT_ATTRIBUTES:
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return True
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# no significant attribute change detected
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return False
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"""Test the Alarm Control Panel significant change platform."""
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import pytest
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from homeassistant.components.alarm_control_panel import (
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ATTR_CHANGED_BY,
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ATTR_CODE_ARM_REQUIRED,
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ATTR_CODE_FORMAT,
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)
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from homeassistant.components.alarm_control_panel.significant_change import (
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async_check_significant_change,
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)
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async def test_significant_state_change() -> None:
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"""Detect Alarm Control Panel significant state changes."""
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attrs = {}
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assert not async_check_significant_change(None, "on", attrs, "on", attrs)
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assert async_check_significant_change(None, "on", attrs, "off", attrs)
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@pytest.mark.parametrize(
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("old_attrs", "new_attrs", "expected_result"),
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[
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({ATTR_CHANGED_BY: "old_value"}, {ATTR_CHANGED_BY: "old_value"}, False),
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({ATTR_CHANGED_BY: "old_value"}, {ATTR_CHANGED_BY: "new_value"}, True),
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(
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{ATTR_CODE_ARM_REQUIRED: "old_value"},
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{ATTR_CODE_ARM_REQUIRED: "new_value"},
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True,
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),
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# multiple attributes
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(
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{ATTR_CHANGED_BY: "old_value", ATTR_CODE_ARM_REQUIRED: "old_value"},
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{ATTR_CHANGED_BY: "new_value", ATTR_CODE_ARM_REQUIRED: "old_value"},
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True,
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),
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# insignificant attributes
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({ATTR_CODE_FORMAT: "old_value"}, {ATTR_CODE_FORMAT: "old_value"}, False),
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({ATTR_CODE_FORMAT: "old_value"}, {ATTR_CODE_FORMAT: "new_value"}, False),
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({"unknown_attr": "old_value"}, {"unknown_attr": "old_value"}, False),
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({"unknown_attr": "old_value"}, {"unknown_attr": "new_value"}, False),
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],
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)
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async def test_significant_atributes_change(
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old_attrs: dict, new_attrs: dict, expected_result: bool
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) -> None:
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"""Detect Humidifier significant attribute changes."""
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assert (
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async_check_significant_change(None, "state", old_attrs, "state", new_attrs)
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== expected_result
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)
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