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38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
"""Limits and flash layout that let LightState stay small."""
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import pytest
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from esphome import config_validation as cv
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from esphome.components.light.effects import (
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MAX_EFFECTS,
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MONOCHROMATIC_EFFECTS,
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validate_effects,
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)
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def _effects(count: int) -> list[dict[str, dict[str, str]]]:
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return [{"pulse": {"name": f"Pulse {i}"}} for i in range(count)]
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def test_rejects_more_effects_than_the_index_holds() -> None:
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with pytest.raises(cv.Invalid, match=f"at most {MAX_EFFECTS} effects"):
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validate_effects(MONOCHROMATIC_EFFECTS)(_effects(MAX_EFFECTS + 1))
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def test_accepts_a_normal_effect_list() -> None:
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assert len(validate_effects(MONOCHROMATIC_EFFECTS)(_effects(3))) == 3
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def test_gamma_table_initializer_holds_the_lut_then_gamma_times_100() -> None:
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from esphome.components.light import gamma_table_initializer, generate_gamma_table
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init = gamma_table_initializer(2.8)
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lut = ", ".join(f"0x{int(v):04X}" for v in generate_gamma_table(2.8))
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assert init == f"{{{{{lut}}}, 280}}"
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def test_gamma_table_initializer_saturates_gamma_that_overflows_uint16() -> None:
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from esphome.components.light import gamma_table_initializer
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assert gamma_table_initializer(1000.0).endswith(", 65535}")
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