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[core] Deduplicate identical stateless lambdas to reduce flash usage (#11918)

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This commit is contained in:
J. Nick Koston
2025-11-25 17:48:08 -06:00
committed by GitHub
parent ffae3501ab
commit bda17180df
3 changed files with 471 additions and 11 deletions
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19
tests/component_tests/text/test_text.py
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@@ -1,4 +1,6 @@
"""Tests for the binary sensor component."""
"""Tests for the text component."""
from esphome.core import CORE
def test_text_is_setup(generate_main):
@@ -56,15 +58,22 @@ def test_text_config_value_mode_set(generate_main):
assert "it_3->traits.set_mode(text::TEXT_MODE_PASSWORD);" in main_cpp
def test_text_config_lamda_is_set(generate_main):
def test_text_config_lambda_is_set(generate_main) -> None:
"""
Test if lambda is set for lambda mode (optimized with stateless lambda)
Test if lambda is set for lambda mode (optimized with stateless lambda and deduplication)
"""
# Given
# When
main_cpp = generate_main("tests/component_tests/text/test_text.yaml")
# Get both global and main sections to find the shared lambda definition
full_cpp = CORE.cpp_global_section + main_cpp
# Then
assert "it_4->set_template([]() -> esphome::optional<std::string> {" in main_cpp
assert 'return std::string{"Hello"};' in main_cpp
# Lambda is deduplicated into a shared function (reference in main section)
assert "it_4->set_template(shared_lambda_" in main_cpp
# Lambda body should be in the code somewhere
assert 'return std::string{"Hello"};' in full_cpp
# Verify the shared lambda function is defined (in global section)
assert "esphome::optional<std::string> shared_lambda_" in full_cpp