Files
esphome/tests/component_tests/api/test_homeassistant_variables.py
T

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2.1 KiB
Python

"""Tests for variables handling in homeassistant.event and homeassistant.action."""
from collections.abc import Callable
import logging
from pathlib import Path
import pytest
CONFIG = "tests/component_tests/api/test_homeassistant_variables.yaml"
def test_plain_string_with_return_is_compiled_as_lambda_with_warning(
generate_main: Callable[[str | Path], str],
caplog: pytest.LogCaptureFixture,
) -> None:
"""A plain string with a return statement compiles as a lambda and warns."""
with caplog.at_level(logging.WARNING):
main_cpp = generate_main(CONFIG)
assert main_cpp.count('add_variable(ESPHOME_F("lambda_var"), []() {') == 2
assert "return millis();" in main_cpp
# The source text must not be sent as a static string value.
assert '"return millis();"' not in main_cpp
assert "missing the !lambda tag" in caplog.text
def test_static_string_is_kept_as_static_value(
generate_main: Callable[[str | Path], str],
caplog: pytest.LogCaptureFixture,
) -> None:
"""A static string stays static, PROGMEM wrapped, with no warning."""
with caplog.at_level(logging.WARNING):
main_cpp = generate_main(CONFIG)
assert (
main_cpp.count(
'add_variable(ESPHOME_F("static_var"), ESPHOME_F("static value"));'
)
== 2
)
assert "static value" not in caplog.text
def test_static_id_value_stays_literal_with_hint(
generate_main: Callable[[str | Path], str],
caplog: pytest.LogCaptureFixture,
) -> None:
"""Lambda source without a return stays literal text but warns."""
with caplog.at_level(logging.WARNING):
main_cpp = generate_main(CONFIG)
assert 'ESPHOME_F("id(test_sensor).state")' in main_cpp
assert "sent as literal text" in caplog.text
def test_explicit_lambda_tag_is_compiled_as_lambda(
generate_main: Callable[[str | Path], str],
) -> None:
"""A !lambda value keeps working unchanged."""
main_cpp = generate_main(CONFIG)
assert 'add_variable(ESPHOME_F("tagged_var"), []() {' in main_cpp
assert "return App.get_name();" in main_cpp