83 lines
2.9 KiB
Python
83 lines
2.9 KiB
Python
"""Test Home Assistant json utility functions."""
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from pathlib import Path
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import pytest
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.util.json import json_loads_array, json_loads_object, load_json
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# Test data that can be saved as JSON
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TEST_JSON_A = {"a": 1, "B": "two"}
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# Test data that cannot be loaded as JSON
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TEST_BAD_SERIALIED = "THIS IS NOT JSON\n"
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def test_load_bad_data(tmp_path: Path) -> None:
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"""Test error from trying to load unserialisable data."""
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fname = tmp_path / "test5.json"
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with open(fname, "w") as fh:
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fh.write(TEST_BAD_SERIALIED)
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with pytest.raises(HomeAssistantError):
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load_json(fname)
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def test_json_loads_array() -> None:
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"""Test json_loads_array validates result."""
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assert json_loads_array('[{"c":1.2}]') == [{"c": 1.2}]
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with pytest.raises(
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ValueError, match="Expected JSON to be parsed as a list got <class 'dict'>"
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):
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json_loads_array("{}")
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with pytest.raises(
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ValueError, match="Expected JSON to be parsed as a list got <class 'bool'>"
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):
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json_loads_array("true")
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with pytest.raises(
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ValueError, match="Expected JSON to be parsed as a list got <class 'NoneType'>"
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):
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json_loads_array("null")
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def test_json_loads_object() -> None:
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"""Test json_loads_object validates result."""
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assert json_loads_object('{"c":1.2}') == {"c": 1.2}
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with pytest.raises(
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ValueError, match="Expected JSON to be parsed as a dict got <class 'list'>"
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):
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json_loads_object("[]")
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with pytest.raises(
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ValueError, match="Expected JSON to be parsed as a dict got <class 'bool'>"
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):
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json_loads_object("true")
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with pytest.raises(
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ValueError, match="Expected JSON to be parsed as a dict got <class 'NoneType'>"
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):
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json_loads_object("null")
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async def test_deprecated_test_find_unserializable_data(
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caplog: pytest.LogCaptureFixture,
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) -> None:
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"""Test deprecated test_find_unserializable_data logs a warning."""
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# pylint: disable-next=hass-deprecated-import,import-outside-toplevel
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from homeassistant.util.json import find_paths_unserializable_data
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find_paths_unserializable_data(1)
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assert (
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"uses find_paths_unserializable_data from homeassistant.util.json"
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in caplog.text
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)
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assert "should be updated to use homeassistant.helpers.json module" in caplog.text
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async def test_deprecated_save_json(
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caplog: pytest.LogCaptureFixture, tmp_path: Path
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) -> None:
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"""Test deprecated save_json logs a warning."""
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# pylint: disable-next=hass-deprecated-import,import-outside-toplevel
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from homeassistant.util.json import save_json
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fname = tmp_path / "test1.json"
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save_json(fname, TEST_JSON_A)
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assert "uses save_json from homeassistant.util.json" in caplog.text
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assert "should be updated to use homeassistant.helpers.json module" in caplog.text
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