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J. Nick Kostonandpre-commit-ci-lite[bot]
41cc96bbb8
Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
44 lines
1.7 KiB
Python
44 lines
1.7 KiB
Python
"""Tests that light codegen skips setters for default values."""
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from collections.abc import Callable
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from pathlib import Path
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import re
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import pytest
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import esphome.codegen as cg
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from esphome.components import light
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from esphome.components.light import types as light_types
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from esphome.core import ID, EsphomeError
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def test_default_flash_length_and_empty_effects_are_not_emitted(
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generate_main: Callable[[str | Path], str],
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component_config_path: Callable[[str], Path],
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) -> None:
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"""A 0 ms flash transition and an empty effect list match the C++ defaults."""
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main_cpp = generate_main(component_config_path("transitions.yaml"))
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assert "plain_light->set_flash_transition_length(" not in main_cpp
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assert "plain_light->add_effects(" not in main_cpp
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assert "bare_light->set_flash_transition_length(" not in main_cpp
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assert "bare_light->add_effects(" not in main_cpp
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assert "fancy_light->set_flash_transition_length(500);" in main_cpp
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call = re.search(r"fancy_light->add_effects\((\w+), (\d+)\);", main_cpp)
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assert call is not None
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# The effect pointers form a flash table; they are address constants, not constexpr
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assert re.search(
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rf"static light::LightEffect \* const {call.group(1)}\[\] PROGMEM = \{{[^}}]+\}};",
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main_cpp,
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)
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def test_effect_assigned_in_setup_is_rejected() -> None:
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"""A pointer assigned in setup() would make the flash table need dynamic init."""
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dynamic_effect = cg.Pvariable(
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ID("dynamic_effect", is_declaration=True, type=light_types.LightEffect),
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cg.RawExpression("make_effect()"),
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)
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with pytest.raises(EsphomeError, match="dynamic_effect"):
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light._effects_table([dynamic_effect])
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