85 lines
2.8 KiB
Python
85 lines
2.8 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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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_convert_same_unit():
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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():
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"""Test exception is thrown for invalid units."""
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with pytest.raises(ValueError):
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temperature_util.convert(5, INVALID_SYMBOL, VALID_SYMBOL)
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with pytest.raises(ValueError):
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temperature_util.convert(5, VALID_SYMBOL, INVALID_SYMBOL)
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def test_convert_nonnumeric_value():
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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():
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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():
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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():
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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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