mirror of https://github.com/home-assistant/core
45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
"""Test singleton helper."""
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from unittest.mock import Mock
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import pytest
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from homeassistant.helpers import singleton
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@pytest.fixture
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def mock_hass():
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"""Mock hass fixture."""
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return Mock(data={})
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@pytest.mark.parametrize("result", (object(), {}, []))
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async def test_singleton_async(mock_hass, result):
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"""Test singleton with async function."""
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@singleton.singleton("test_key")
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async def something(hass):
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return result
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result1 = await something(mock_hass)
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result2 = await something(mock_hass)
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assert result1 is result
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assert result1 is result2
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assert "test_key" in mock_hass.data
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assert mock_hass.data["test_key"] is result1
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@pytest.mark.parametrize("result", (object(), {}, []))
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def test_singleton(mock_hass, result):
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"""Test singleton with function."""
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@singleton.singleton("test_key")
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def something(hass):
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return result
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result1 = something(mock_hass)
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result2 = something(mock_hass)
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assert result1 is result
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assert result1 is result2
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assert "test_key" in mock_hass.data
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assert mock_hass.data["test_key"] is result1
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