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esphome/tests/unit_tests/conftest.py
David Woodhouse 841d9664d3 Fix build system to relink when source files change
- Make copy_file_if_changed() return bool indicating if file was copied
- Track sources_changed in copy_src_tree() to detect when source files change
- Only update build_info timestamp when sources/config/version change
- Exclude generated files (build_info_data.h) from sources_changed tracking
- Add build_info_data.h to ignore_targets to prevent copying from resources
- Track changes to generated headers (defines.h, esphome.h, version.h)
- Check for config_hash or version changes to trigger rebuild
- Pretty-print build_info.json with indentation and trailing newline
- Update mock_copy_file_if_changed to return True by default

This fixes the issue where changing a source file would recompile the .o
file but not relink the final program executable.
2025-12-14 08:51:59 +09:00

119 lines
3.0 KiB
Python

"""
ESPHome Unittests
~~~~~~~~~~~~~~~~~
Configuration file for unit tests.
If adding unit tests ensure that they are fast. Slower integration tests should
not be part of a unit test suite.
"""
from collections.abc import Generator
from pathlib import Path
import sys
from unittest.mock import Mock, patch
import pytest
from esphome.core import CORE
here = Path(__file__).parent
# Configure location of package root
package_root = here.parent.parent
sys.path.insert(0, package_root.as_posix())
@pytest.fixture(autouse=True)
def reset_core():
"""Reset CORE after each test."""
yield
CORE.reset()
@pytest.fixture
def fixture_path() -> Path:
"""
Location of all fixture files.
"""
return here / "fixtures"
@pytest.fixture
def setup_core(tmp_path: Path) -> Path:
"""Set up CORE with test paths."""
CORE.config_path = tmp_path / "test.yaml"
return tmp_path
@pytest.fixture
def mock_write_file_if_changed() -> Generator[Mock, None, None]:
"""Mock write_file_if_changed for storage_json."""
with patch("esphome.storage_json.write_file_if_changed") as mock:
yield mock
@pytest.fixture
def mock_copy_file_if_changed() -> Generator[Mock, None, None]:
"""Mock copy_file_if_changed for core.config."""
with patch("esphome.core.config.copy_file_if_changed") as mock:
mock.return_value = True
yield mock
@pytest.fixture
def mock_run_platformio_cli() -> Generator[Mock, None, None]:
"""Mock run_platformio_cli for platformio_api."""
with patch("esphome.platformio_api.run_platformio_cli") as mock:
yield mock
@pytest.fixture
def mock_run_platformio_cli_run() -> Generator[Mock, None, None]:
"""Mock run_platformio_cli_run for platformio_api."""
with patch("esphome.platformio_api.run_platformio_cli_run") as mock:
yield mock
@pytest.fixture
def mock_decode_pc() -> Generator[Mock, None, None]:
"""Mock _decode_pc for platformio_api."""
with patch("esphome.platformio_api._decode_pc") as mock:
yield mock
@pytest.fixture
def mock_run_external_command() -> Generator[Mock, None, None]:
"""Mock run_external_command for platformio_api."""
with patch("esphome.platformio_api.run_external_command") as mock:
yield mock
@pytest.fixture
def mock_run_git_command() -> Generator[Mock, None, None]:
"""Mock run_git_command for git module."""
with patch("esphome.git.run_git_command") as mock:
yield mock
@pytest.fixture
def mock_subprocess_run() -> Generator[Mock, None, None]:
"""Mock subprocess.run for testing."""
with patch("subprocess.run") as mock:
yield mock
@pytest.fixture
def mock_get_idedata() -> Generator[Mock, None, None]:
"""Mock get_idedata for platformio_api."""
with patch("esphome.platformio_api.get_idedata") as mock:
yield mock
@pytest.fixture
def mock_get_component() -> Generator[Mock, None, None]:
"""Mock get_component for config module."""
with patch("esphome.config.get_component") as mock:
yield mock