pytest-homeassistant-custom-component
Package to automatically extract testing plugins from Home Assistant for custom component testing. The goal is to provide the same functionality as the tests in home-assistant/core. pytest-homeassistant-custom-component is updated daily according to the latest homeassistant release including beta.
Usage:
- All pytest fixtures can be used as normal, like
hass - For helpers:
- home-assistant/core native test:
from tests.common import MockConfigEntry - custom component test:
from pytest_homeassistant_custom_component.common import MockConfigEntry
- home-assistant/core native test:
- If your integration is inside a
custom_componentsfolder, acustom_components/__init__.pyfile or changes tosys.pathmay be required. enable_custom_integrationsfixture is required (versions >=2021.6.0b0)- Some fixtures, e.g.
recorder_mock, need to be initialized beforeenable_custom_integrations. See https://github.com/MatthewFlamm/pytest-homeassistant-custom-component/issues/132.
- Some fixtures, e.g.
- pytest-asyncio now requires
asyncio_mode = autoconfig, see https://github.com/MatthewFlamm/pytest-homeassistant-custom-component/issues/129 and https://github.com/MatthewFlamm/pytest-homeassistant-custom-component/issues/247. - If using
load_fixture, the files need to be in afixturesfolder colocated with the tests. For example, a test intest_sensor.pycan load data fromsome_data.jsonusingload_fixturefrom this structure:
tests/
fixtures/
some_data.json
test_sensor.py
- When using syrupy snapshots, add a
snapshotfixture to conftest.py to make sure the snapshots are loaded from snapshot folder colocated with the tests.
from pytest_homeassistant_custom_component.syrupy import HomeAssistantSnapshotExtension
from syrupy.assertion import SnapshotAssertion
@pytest.fixture
def snapshot(snapshot: SnapshotAssertion) -> SnapshotAssertion:
"""Return snapshot assertion fixture with the Home Assistant extension."""
return snapshot.use_extension(HomeAssistantSnapshotExtension)
Examples:
- See list of custom components as examples that use this package.
- Also see tests for
simple_integrationin this repository. - Use cookiecutter-homeassistant-custom-component to create a custom component with tests by using cookiecutter.
- The github-custom-component-tutorial explaining in details how to create a custom componenent with a test suite using this package.
More Info
This repository is set up to be nearly fully automatic.
- Version of home-assistant/core is given in
ha_version,pytest_homeassistant_custom_component.const, and in the README above. - This package is generated against published releases of homeassistant and updated daily.
- PRs should not include changes to the
pytest_homeassistant_custom_componentfiles. CI testing will automatically generate the new files.
Version Strategy
- When changes in extraction are required, there will be a change in the minor version.
- A change in the patch version indicates that it was an automatic update with a homeassistant version.
- This enables tracking back to which versions of pytest-homeassistant-custom-component can be used for extracting testing utilities from which version of homeassistant.
This package was inspired by pytest-homeassistant by @boralyl, but is intended to more closely and automatically track the home-assistant/core library.
1 maintainer
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