mirror of
https://github.com/esphome/esphome.git
synced 2026-07-10 17:05:36 +00:00
Jesse Hills
252 lines
8.8 KiB
Python
252 lines
8.8 KiB
Python
"""Unit tests for esphome.config module."""
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from collections.abc import Callable, Generator
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import logging
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from pathlib import Path
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from unittest.mock import MagicMock, Mock, patch
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import pytest
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from esphome import config, yaml_util
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from esphome.core import CORE, AutoLoad
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from esphome.types import ConfigType
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@pytest.fixture
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def mock_get_platform() -> Generator[Mock, None, None]:
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"""Fixture for mocking get_platform."""
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with patch("esphome.config.get_platform") as mock_get_platform:
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# Default mock platform
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mock_get_platform.return_value = MagicMock()
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yield mock_get_platform
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@pytest.fixture
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def fixtures_dir() -> Path:
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"""Get the fixtures directory."""
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return Path(__file__).parent / "fixtures"
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def test_ota_component_configs_with_proper_platform_list(
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mock_get_component: Mock,
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mock_get_platform: Mock,
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) -> None:
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"""Test iter_component_configs handles OTA properly configured as a list."""
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test_config = {
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"ota": [
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{"platform": "esphome", "password": "test123", "id": "my_ota"},
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],
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}
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mock_get_component.return_value = MagicMock(
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is_platform_component=True, multi_conf=False
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)
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configs = list(config.iter_component_configs(test_config))
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assert len(configs) == 2
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assert configs[0][0] == "ota"
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assert configs[0][2] == test_config["ota"] # The list itself
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assert configs[1][0] == "ota.esphome"
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assert configs[1][2]["platform"] == "esphome"
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assert configs[1][2]["password"] == "test123"
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def test_iter_component_configs_with_multi_conf(mock_get_component: Mock) -> None:
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"""Test that iter_component_configs handles multi_conf components correctly."""
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test_config = {
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"switch": [
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{"name": "Switch 1"},
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{"name": "Switch 2"},
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],
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}
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mock_get_component.return_value = MagicMock(
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is_platform_component=False, multi_conf=True
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)
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configs = list(config.iter_component_configs(test_config))
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assert len(configs) == 2
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for domain, _component, conf in configs:
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assert domain == "switch"
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assert "name" in conf
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def test_ota_no_platform_with_captive_portal(fixtures_dir: Path) -> None:
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"""Test OTA with no platform (ota:) gets normalized when captive_portal auto-loads."""
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CORE.config_path = fixtures_dir / "dummy.yaml"
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config_file = fixtures_dir / "ota_no_platform.yaml"
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raw_config = yaml_util.load_yaml(config_file)
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result = config.validate_config(raw_config, {})
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assert "ota" in result
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assert isinstance(result["ota"], list), f"Expected list, got {type(result['ota'])}"
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platforms = {p.get("platform") for p in result["ota"]}
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assert "web_server" in platforms, f"Expected web_server platform in {platforms}"
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def test_ota_empty_dict_with_captive_portal(fixtures_dir: Path) -> None:
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"""Test OTA with empty dict ({}) gets normalized when captive_portal auto-loads."""
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CORE.config_path = fixtures_dir / "dummy.yaml"
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config_file = fixtures_dir / "ota_empty_dict.yaml"
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raw_config = yaml_util.load_yaml(config_file)
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result = config.validate_config(raw_config, {})
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assert "ota" in result
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assert isinstance(result["ota"], list), f"Expected list, got {type(result['ota'])}"
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platforms = {p.get("platform") for p in result["ota"]}
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assert "web_server" in platforms, f"Expected web_server platform in {platforms}"
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def test_ota_with_platform_list_and_captive_portal(fixtures_dir: Path) -> None:
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"""Test OTA with proper platform list remains valid when captive_portal auto-loads."""
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CORE.config_path = fixtures_dir / "dummy.yaml"
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config_file = fixtures_dir / "ota_with_platform_list.yaml"
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raw_config = yaml_util.load_yaml(config_file)
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result = config.validate_config(raw_config, {})
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assert "ota" in result
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assert isinstance(result["ota"], list), f"Expected list, got {type(result['ota'])}"
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platforms = {p.get("platform") for p in result["ota"]}
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assert "esphome" in platforms, f"Expected esphome platform in {platforms}"
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assert "web_server" in platforms, f"Expected web_server platform in {platforms}"
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# ---------------------------------------------------------------------------
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# LEGACY_CONFIG_MIGRATE hook on LoadValidationStep -- the removable shim that
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# lets a platform component rewrite a pre-platform top-level config.
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# ---------------------------------------------------------------------------
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def _run_load_step(
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domain: str,
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conf: object,
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migrate: Callable[[ConfigType], list | None] | None,
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) -> config.Config:
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"""Run a LoadValidationStep for a platform component with a given migrate hook."""
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component = Mock()
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component.is_platform_component = True
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component.multi_conf_no_default = False
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component.legacy_config_migrate = migrate
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result = config.Config()
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with (
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patch("esphome.config.get_component", return_value=component),
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patch("esphome.config._process_auto_load"),
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patch("esphome.config._process_platform_config"),
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):
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config.LoadValidationStep(domain, conf).run(result)
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return result
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def test_legacy_migrate_rewrites_conf() -> None:
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"""A legacy config that the hook migrates is replaced with the new list."""
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migrated = [{"platform": "file", "id": "a"}]
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migrate = Mock(return_value=migrated)
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result = _run_load_step("image", [{"id": "a", "file": "x.png"}], migrate)
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migrate.assert_called_once_with([{"id": "a", "file": "x.png"}])
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assert result["image"] == migrated
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def test_legacy_migrate_none_keeps_new_format() -> None:
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"""When the hook returns None the already-new config is left untouched."""
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new_format = [{"platform": "file", "id": "a"}]
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migrate = Mock(return_value=None)
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result = _run_load_step("image", new_format, migrate)
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migrate.assert_called_once_with(new_format)
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assert result["image"] == new_format
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def test_legacy_migrate_absent_hook_is_noop() -> None:
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"""A platform component without the hook normalizes without migration."""
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result = _run_load_step("image", {"id": "a"}, None)
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# Bare dict still gets wrapped into a list by the normal normalization path.
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assert result["image"] == [{"id": "a"}]
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def test_legacy_migrate_skipped_for_empty_conf() -> None:
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"""An empty config short-circuits before the hook is consulted."""
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migrate = Mock(return_value=[{"platform": "file"}])
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result = _run_load_step("image", [], migrate)
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migrate.assert_not_called()
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assert result["image"] == []
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def test_legacy_migrate_skipped_for_autoload() -> None:
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"""An auto-loaded (AutoLoad) config is never migrated."""
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migrate = Mock(return_value=[{"platform": "file"}])
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auto = AutoLoad()
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auto["id"] = "a"
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result = _run_load_step("image", auto, migrate)
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migrate.assert_not_called()
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# AutoLoad is dict-like, so normalization wraps it into a single-entry list.
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assert result["image"] == [auto]
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def _write_merge_conflict_config(tmp_path: Path, *, suppress: bool) -> Path:
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"""Create a config where two `<<` includes both define `logger:`.
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The second `logger:` is dropped by the shallow merge. Returns the main file.
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"""
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(tmp_path / "a.yaml").write_text("logger:\n level: DEBUG\n")
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(tmp_path / "b.yaml").write_text("logger:\n level: INFO\n")
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esphome_section = "esphome:\n name: test\n"
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if suppress:
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esphome_section += " merge_warnings: false\n"
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main = tmp_path / "main.yaml"
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main.write_text(f"{esphome_section}<<: !include a.yaml\n<<: !include b.yaml\n")
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return main
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def test_validate_config_warns_on_dropped_merge_key(
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tmp_path: Path, caplog: pytest.LogCaptureFixture
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) -> None:
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"""By default, a `<<` merge that drops a key logs a warning."""
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main = _write_merge_conflict_config(tmp_path, suppress=False)
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CORE.config_path = main
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raw_config = yaml_util.load_yaml(main)
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with caplog.at_level(logging.WARNING, logger="esphome.config"):
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config.validate_config(raw_config, {})
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assert any(
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"was dropped while processing a '<<' merge" in record.message
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and "logger" in record.message
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for record in caplog.records
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)
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# The queue is drained so the warning cannot leak into a later run.
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assert yaml_util.take_dropped_merge_keys() == []
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def test_validate_config_suppresses_merge_warning(
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tmp_path: Path, caplog: pytest.LogCaptureFixture
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) -> None:
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"""`esphome: merge_warnings: false` hides the warning but still drains the queue."""
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main = _write_merge_conflict_config(tmp_path, suppress=True)
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CORE.config_path = main
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raw_config = yaml_util.load_yaml(main)
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with caplog.at_level(logging.WARNING, logger="esphome.config"):
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config.validate_config(raw_config, {})
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assert not any(
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"was dropped while processing a '<<' merge" in record.message
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for record in caplog.records
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)
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# The queue is drained even when the warning is suppressed.
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assert yaml_util.take_dropped_merge_keys() == []
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