46 lines
1.9 KiB
Python
46 lines
1.9 KiB
Python
"""Contract test for the mock-only homeassistant harness in conftest.py."""
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from __future__ import annotations
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import importlib.metadata
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import sys
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from unittest.mock import MagicMock
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import pytest
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import conftest
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from conftest import _HA_MODULES, _ensure_mock_only
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def test_mock_only_harness_contract(monkeypatch):
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"""The harness is mock-only: shaped mocks everywhere, fail-fast on real HA."""
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# Every required homeassistant module in sys.modules is a mock stand-in
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# with the shaped surface, and parent-package attributes point at them.
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for name in _HA_MODULES:
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assert isinstance(sys.modules[name], MagicMock), f"{name} is not a mock"
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config_entries = sys.modules["homeassistant.config_entries"]
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assert config_entries.ConfigFlow is conftest._ConfigFlowBase
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assert config_entries.OptionsFlowWithConfigEntry is (
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conftest._OptionsFlowWithConfigEntryBase
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)
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assert sys.modules["homeassistant"].config_entries is config_entries
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assert sys.modules["homeassistant.core"].callback is conftest._callback_decorator
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assert sys.modules["homeassistant.data_entry_flow"].RESULT_TYPE_FORM == "form"
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# No homeassistant distribution is installed in this suite's own venv.
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with pytest.raises(importlib.metadata.PackageNotFoundError):
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importlib.metadata.version("homeassistant")
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# Fail-fast paths: a findable real HA module, or one preloaded in
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# sys.modules, both abort collection with a UsageError.
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real_spec = MagicMock(origin="/fake/site-packages/homeassistant/__init__.py")
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monkeypatch.setattr(conftest, "_find_spec", lambda name: real_spec)
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with pytest.raises(pytest.UsageError, match="mock-only"):
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_ensure_mock_only()
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monkeypatch.setattr(conftest, "_find_spec", lambda name: None)
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monkeypatch.setitem(sys.modules, "homeassistant", MagicMock(name="real-module"))
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with pytest.raises(pytest.UsageError, match="mock-only"):
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_ensure_mock_only() |