68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
"""The tests for the Recorder component."""
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# pylint: disable=protected-access
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import asyncio
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from unittest.mock import patch, call
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import pytest
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from sqlalchemy import create_engine
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from homeassistant.bootstrap import async_setup_component
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from homeassistant.components.recorder import wait_connection_ready, migration
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from homeassistant.components.recorder.models import SCHEMA_VERSION
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from homeassistant.components.recorder.const import DATA_INSTANCE
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from tests.components.recorder import models_original
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def create_engine_test(*args, **kwargs):
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"""Test version of create_engine that initializes with old schema.
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This simulates an existing db with the old schema.
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"""
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engine = create_engine(*args, **kwargs)
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models_original.Base.metadata.create_all(engine)
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return engine
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@asyncio.coroutine
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def test_schema_update_calls(hass):
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"""Test that schema migrations occur in correct order."""
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with patch('sqlalchemy.create_engine', new=create_engine_test), \
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patch('homeassistant.components.recorder.migration._apply_update') as \
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update:
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yield from async_setup_component(hass, 'recorder', {
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'recorder': {
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'db_url': 'sqlite://'
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}
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})
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yield from wait_connection_ready(hass)
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update.assert_has_calls([
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call(hass.data[DATA_INSTANCE].engine, version+1, 0) for version
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in range(0, SCHEMA_VERSION)])
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@asyncio.coroutine
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def test_schema_migrate(hass):
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"""Test the full schema migration logic.
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We're just testing that the logic can execute successfully here without
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throwing exceptions. Maintaining a set of assertions based on schema
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inspection could quickly become quite cumbersome.
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"""
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with patch('sqlalchemy.create_engine', new=create_engine_test), \
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patch('homeassistant.components.recorder.Recorder._setup_run') as \
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setup_run:
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yield from async_setup_component(hass, 'recorder', {
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'recorder': {
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'db_url': 'sqlite://'
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}
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})
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yield from wait_connection_ready(hass)
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assert setup_run.called
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def test_invalid_update():
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"""Test that an invalid new version raises an exception."""
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with pytest.raises(ValueError):
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migration._apply_update(None, -1, 0)
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