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51e0b11860
A switch with `sleep_rgb_or_color_temp: rgb_color` expresses its sleep colour as RGB. `_apply_intensity` only walked RGB towards `sleep_rgb_color` on the `adapt_until_sleep` path; everywhere else it re-derived RGB from the interpolated colour temperature. Intensity 0 therefore produced `color_temperature_to_rgb(sleep_color_temp)` rather than the configured `sleep_rgb_color`, breaking the guarantee that 0 reproduces sleep mode. The condition is now the switch's own configuration -- the sleep floor being in force, and the sleep colour being expressed as RGB -- which subsumes the `adapt_until_sleep` case and makes the `keep_rgb` parameter redundant. The `minimum` floor still derives RGB from the colour temperature, because its anchor is `min_color_temp`, a Kelvin, and the sleep colour is not the floor there. The existing test asserted the RGB match only when `force_rgb_color` was set, so it stepped over this. Replaced with a test that asserts what was actually promised, under both values of `adapt_until_sleep`, plus one pinning the `minimum` floor's Kelvin-derived behaviour. Reported by greptile-apps on #1593. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
251 lines
9.6 KiB
Python
251 lines
9.6 KiB
Python
"""Tests for the intensity dial on `SunLightSettings`."""
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import datetime as dt
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import zoneinfo
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import pytest
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from astral import LocationInfo
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from astral.location import Location
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from homeassistant.components.adaptive_lighting.color_and_brightness import (
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SunLightSettings,
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)
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from homeassistant.util.color import color_temperature_to_rgb
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TZINFO = zoneinfo.ZoneInfo("Europe/Amsterdam")
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LOCATION = Location(
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LocationInfo(
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name="name",
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region="region",
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timezone="Europe/Amsterdam",
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latitude=52.379189,
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longitude=4.899431,
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),
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)
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# Spread over a winter day so that the daylight branch, the post-sunset branch
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# and solar midnight are all covered.
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TIMES = [dt.datetime(2022, 1, 1, hour, tzinfo=dt.UTC) for hour in range(0, 24, 3)]
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MIN_BRIGHTNESS = 20
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MAX_BRIGHTNESS = 100
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MIN_COLOR_TEMP = 2200
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MAX_COLOR_TEMP = 5500
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SLEEP_BRIGHTNESS = 1
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SLEEP_COLOR_TEMP = 1000
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def make_settings(**kwargs) -> SunLightSettings:
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"""Build a `SunLightSettings`, overriding any field by keyword."""
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defaults = {
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"name": "test",
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"astral_observer": LOCATION.observer,
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"adapt_until_sleep": False,
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"max_brightness": MAX_BRIGHTNESS,
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"max_color_temp": MAX_COLOR_TEMP,
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"min_brightness": MIN_BRIGHTNESS,
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"min_color_temp": MIN_COLOR_TEMP,
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"sleep_brightness": SLEEP_BRIGHTNESS,
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"sleep_rgb_or_color_temp": "color_temp",
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"sleep_color_temp": SLEEP_COLOR_TEMP,
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"sleep_rgb_color": (255, 56, 0),
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"sunrise_time": None,
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"min_sunrise_time": None,
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"max_sunrise_time": None,
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"sunset_time": None,
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"min_sunset_time": None,
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"max_sunset_time": None,
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"brightness_mode_time_dark": dt.timedelta(seconds=900),
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"brightness_mode_time_light": dt.timedelta(seconds=3600),
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"timezone": TZINFO,
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}
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return SunLightSettings(**(defaults | kwargs))
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def floor_values(intensity_floor: str) -> tuple[int, int]:
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"""The (brightness, color temp) the dial interpolates towards."""
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if intensity_floor == "sleep":
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return SLEEP_BRIGHTNESS, SLEEP_COLOR_TEMP
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return MIN_BRIGHTNESS, MIN_COLOR_TEMP
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@pytest.mark.parametrize("intensity_floor", ["sleep", "minimum"])
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@pytest.mark.parametrize("adapt_until_sleep", [True, False])
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@pytest.mark.parametrize("is_sleep", [True, False])
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@pytest.mark.parametrize("datetime", TIMES)
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def test_full_intensity_changes_nothing(
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datetime,
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is_sleep,
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adapt_until_sleep,
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intensity_floor,
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):
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"""The default (100) must leave the adaptive result untouched."""
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default = make_settings(adapt_until_sleep=adapt_until_sleep)
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dialled = make_settings(
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adapt_until_sleep=adapt_until_sleep,
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intensity=100,
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intensity_floor=intensity_floor,
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)
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assert dialled.brightness_and_color(
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datetime,
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is_sleep=is_sleep,
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) == default.brightness_and_color(datetime, is_sleep=is_sleep)
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@pytest.mark.parametrize("intensity_floor", ["sleep", "minimum"])
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def test_apply_intensity_short_circuits_at_full(intensity_floor):
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"""At 100 the interpolation is skipped outright, not merely a no-op."""
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settings = make_settings(intensity=100, intensity_floor=intensity_floor)
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arguments = (50.0, 3000, (255, 180, 100))
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assert settings._apply_intensity(*arguments, is_sleep=False) == arguments
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@pytest.mark.parametrize("intensity", [0, 25, 50, 75, 100])
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@pytest.mark.parametrize("datetime", TIMES)
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def test_sleep_mode_ignores_the_dial(datetime, intensity):
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"""Sleep mode already is the sleep value, so the dial must not touch it."""
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default = make_settings()
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dialled = make_settings(intensity=intensity)
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assert dialled.brightness_and_color(
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datetime,
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is_sleep=True,
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) == default.brightness_and_color(datetime, is_sleep=True)
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@pytest.mark.parametrize("intensity_floor", ["sleep", "minimum"])
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@pytest.mark.parametrize("datetime", TIMES)
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def test_zero_intensity_reaches_the_floor(datetime, intensity_floor):
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"""0 must land exactly on the configured floor, at every hour."""
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settings = make_settings(intensity=0, intensity_floor=intensity_floor)
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result = settings.brightness_and_color(datetime, is_sleep=False)
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brightness, color_temp = floor_values(intensity_floor)
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assert result["brightness_pct"] == pytest.approx(brightness)
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assert result["color_temp_kelvin"] == 5 * round(color_temp / 5)
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@pytest.mark.parametrize("intensity_floor", ["sleep", "minimum"])
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@pytest.mark.parametrize("datetime", TIMES)
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def test_half_intensity_is_the_midpoint(datetime, intensity_floor):
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"""The dial interpolates linearly between the floor and the full value."""
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full = make_settings().brightness_and_color(datetime, is_sleep=False)
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half = make_settings(
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intensity=50,
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intensity_floor=intensity_floor,
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).brightness_and_color(datetime, is_sleep=False)
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brightness, color_temp = floor_values(intensity_floor)
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assert half["brightness_pct"] == pytest.approx(
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brightness + (full["brightness_pct"] - brightness) / 2,
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)
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expected_kelvin = round(color_temp + (full["color_temp_kelvin"] - color_temp) / 2)
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assert half["color_temp_kelvin"] == 5 * round(expected_kelvin / 5)
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@pytest.mark.parametrize("intensity_floor", ["sleep", "minimum"])
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@pytest.mark.parametrize("datetime", TIMES)
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def test_intensity_is_monotonic(datetime, intensity_floor):
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"""Turning the dial up may never dim or cool the light."""
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results = [
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make_settings(
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intensity=intensity,
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intensity_floor=intensity_floor,
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).brightness_and_color(datetime, is_sleep=False)
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for intensity in (0, 25, 50, 75, 100)
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]
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brightnesses = [result["brightness_pct"] for result in results]
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kelvins = [result["color_temp_kelvin"] for result in results]
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assert brightnesses == sorted(brightnesses)
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assert kelvins == sorted(kelvins)
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@pytest.mark.parametrize("intensity_floor", ["sleep", "minimum"])
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@pytest.mark.parametrize("intensity", [0, 25, 50, 75, 100])
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@pytest.mark.parametrize("datetime", TIMES)
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def test_results_stay_in_range(datetime, intensity, intensity_floor):
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"""Whatever the dial does, the output must remain a legal light setting."""
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result = make_settings(
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intensity=intensity,
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intensity_floor=intensity_floor,
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).brightness_and_color(datetime, is_sleep=False)
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full = make_settings().brightness_and_color(datetime, is_sleep=False)
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brightness, color_temp = floor_values(intensity_floor)
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assert brightness <= result["brightness_pct"] <= full["brightness_pct"]
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assert 0 < result["brightness_pct"] <= 100
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assert color_temp <= result["color_temp_kelvin"] <= full["color_temp_kelvin"]
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assert all(0 <= channel <= 255 for channel in result["rgb_color"])
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@pytest.mark.parametrize(
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("intensity_floor", "adapt_until_sleep", "expected"),
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[
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("sleep", False, True),
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("sleep", True, True),
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("minimum", False, False),
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("minimum", True, True),
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],
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)
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def test_intensity_floor_is_sleep(intensity_floor, adapt_until_sleep, expected):
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"""`adapt_until_sleep` forces the sleep floor, whatever the option says."""
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settings = make_settings(
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intensity_floor=intensity_floor,
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adapt_until_sleep=adapt_until_sleep,
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)
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assert settings.intensity_floor_is_sleep is expected
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@pytest.mark.parametrize("intensity", [0, 25, 50, 75, 100])
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@pytest.mark.parametrize("datetime", TIMES)
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def test_adapt_until_sleep_overrides_the_floor(datetime, intensity):
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"""With `adapt_until_sleep` on, `intensity_floor` makes no difference.
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The adaptive color temperature then descends below `min_color_temp` towards
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`sleep_color_temp`, so a `min_color_temp` floor would sit above the adaptive
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value and turning the dial down would make the light cooler.
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"""
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results = [
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make_settings(
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intensity=intensity,
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intensity_floor=intensity_floor,
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adapt_until_sleep=True,
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).brightness_and_color(datetime, is_sleep=False)
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for intensity_floor in ("sleep", "minimum")
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]
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assert results[0] == results[1]
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@pytest.mark.parametrize("adapt_until_sleep", [True, False])
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@pytest.mark.parametrize("datetime", TIMES)
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def test_zero_intensity_matches_sleep_rgb(datetime, adapt_until_sleep):
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"""0 must reproduce sleep mode's RGB, not a colour derived from Kelvin.
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A switch using `sleep_rgb_or_color_temp: rgb_color` expresses its sleep
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colour as RGB. Interpolating the colour temperature and re-deriving RGB from
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it lands 0% on `color_temperature_to_rgb(sleep_color_temp)`, which is a
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different colour from the configured `sleep_rgb_color`. This held only on
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the `adapt_until_sleep` path before.
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"""
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kwargs = {
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"sleep_rgb_or_color_temp": "rgb_color",
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"adapt_until_sleep": adapt_until_sleep,
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}
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asleep = make_settings(**kwargs).brightness_and_color(datetime, is_sleep=True)
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dialled = make_settings(intensity=0, **kwargs).brightness_and_color(
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datetime,
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is_sleep=False,
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)
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assert dialled["rgb_color"] == asleep["rgb_color"]
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@pytest.mark.parametrize("datetime", TIMES)
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def test_minimum_floor_derives_rgb_from_color_temp(datetime):
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"""With the `minimum` floor the anchor is a Kelvin, so RGB follows it.
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The sleep RGB colour is deliberately NOT used here -- it is not the floor.
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"""
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settings = make_settings(
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intensity=0,
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intensity_floor="minimum",
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adapt_until_sleep=False,
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sleep_rgb_or_color_temp="rgb_color",
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)
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result = settings.brightness_and_color(datetime, is_sleep=False)
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expected = color_temperature_to_rgb(result["color_temp_kelvin"])
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assert result["rgb_color"] == tuple(round(c) for c in expected)
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