mirror of
https://github.com/home-assistant/core
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37 lines
866 B
Python
37 lines
866 B
Python
"""Test read only dictionary."""
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import json
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import pytest
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from homeassistant.util.read_only_dict import ReadOnlyDict
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def test_read_only_dict() -> None:
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"""Test read only dictionary."""
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data = ReadOnlyDict({"hello": "world"})
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with pytest.raises(RuntimeError):
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data["hello"] = "universe"
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with pytest.raises(RuntimeError):
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data["other_key"] = "universe"
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with pytest.raises(RuntimeError):
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data.pop("hello")
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with pytest.raises(RuntimeError):
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data.popitem()
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with pytest.raises(RuntimeError):
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data.clear()
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with pytest.raises(RuntimeError):
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data.update({"yo": "yo"})
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with pytest.raises(RuntimeError):
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data.setdefault("yo", "yo")
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assert isinstance(data, dict)
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assert dict(data) == {"hello": "world"}
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assert json.dumps(data) == json.dumps({"hello": "world"})
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