109 lines
3.8 KiB
Python
109 lines
3.8 KiB
Python
"""Test Home Assistant temperature utility functions."""
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import pytest
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from homeassistant.const import TEMP_CELSIUS, TEMP_FAHRENHEIT, TEMP_KELVIN
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from homeassistant.exceptions import HomeAssistantError
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import homeassistant.util.temperature as temperature_util
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INVALID_SYMBOL = "bob"
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VALID_SYMBOL = TEMP_CELSIUS
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def test_raise_deprecation_warning(caplog: pytest.LogCaptureFixture) -> None:
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"""Ensure that a warning is raised on use of convert."""
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assert temperature_util.convert(2, TEMP_CELSIUS, TEMP_CELSIUS) == 2
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assert "use unit_conversion.TemperatureConverter instead" in caplog.text
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@pytest.mark.parametrize(
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("function_name", "value", "expected"),
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[
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("fahrenheit_to_celsius", 75.2, 24),
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("kelvin_to_celsius", 297.65, 24.5),
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("celsius_to_fahrenheit", 23, 73.4),
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("celsius_to_kelvin", 23, 296.15),
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],
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)
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def test_deprecated_functions(
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function_name: str, value: float, expected: float
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) -> None:
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"""Test that deprecated function still work."""
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convert = getattr(temperature_util, function_name)
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assert convert(value) == expected
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def test_convert_same_unit() -> None:
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"""Test conversion from any unit to same unit."""
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assert temperature_util.convert(2, TEMP_CELSIUS, TEMP_CELSIUS) == 2
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assert temperature_util.convert(3, TEMP_FAHRENHEIT, TEMP_FAHRENHEIT) == 3
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assert temperature_util.convert(4, TEMP_KELVIN, TEMP_KELVIN) == 4
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def test_convert_invalid_unit() -> None:
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"""Test exception is thrown for invalid units."""
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with pytest.raises(HomeAssistantError, match="is not a recognized .* unit"):
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temperature_util.convert(5, INVALID_SYMBOL, VALID_SYMBOL)
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with pytest.raises(HomeAssistantError, match="is not a recognized .* unit"):
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temperature_util.convert(5, VALID_SYMBOL, INVALID_SYMBOL)
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def test_convert_nonnumeric_value() -> None:
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"""Test exception is thrown for nonnumeric type."""
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with pytest.raises(TypeError):
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temperature_util.convert("a", TEMP_CELSIUS, TEMP_FAHRENHEIT)
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def test_convert_from_celsius() -> None:
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"""Test conversion from C to other units."""
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celsius = 100
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assert temperature_util.convert(
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celsius, TEMP_CELSIUS, TEMP_FAHRENHEIT
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) == pytest.approx(212.0)
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assert temperature_util.convert(
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celsius, TEMP_CELSIUS, TEMP_KELVIN
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) == pytest.approx(373.15)
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# Interval
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assert temperature_util.convert(
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celsius, TEMP_CELSIUS, TEMP_FAHRENHEIT, True
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) == pytest.approx(180.0)
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assert temperature_util.convert(
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celsius, TEMP_CELSIUS, TEMP_KELVIN, True
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) == pytest.approx(100)
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def test_convert_from_fahrenheit() -> None:
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"""Test conversion from F to other units."""
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fahrenheit = 100
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assert temperature_util.convert(
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fahrenheit, TEMP_FAHRENHEIT, TEMP_CELSIUS
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) == pytest.approx(37.77777777777778)
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assert temperature_util.convert(
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fahrenheit, TEMP_FAHRENHEIT, TEMP_KELVIN
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) == pytest.approx(310.92777777777775)
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# Interval
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assert temperature_util.convert(
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fahrenheit, TEMP_FAHRENHEIT, TEMP_CELSIUS, True
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) == pytest.approx(55.55555555555556)
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assert temperature_util.convert(
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fahrenheit, TEMP_FAHRENHEIT, TEMP_KELVIN, True
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) == pytest.approx(55.55555555555556)
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def test_convert_from_kelvin() -> None:
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"""Test conversion from K to other units."""
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kelvin = 100
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assert temperature_util.convert(kelvin, TEMP_KELVIN, TEMP_CELSIUS) == pytest.approx(
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-173.15
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)
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assert temperature_util.convert(
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kelvin, TEMP_KELVIN, TEMP_FAHRENHEIT
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) == pytest.approx(-279.66999999999996)
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# Interval
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assert temperature_util.convert(
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kelvin, TEMP_KELVIN, TEMP_FAHRENHEIT, True
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) == pytest.approx(180.0)
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assert temperature_util.convert(
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kelvin, TEMP_KELVIN, TEMP_KELVIN, True
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) == pytest.approx(100)
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