mirror of
https://github.com/home-assistant/core
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72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
"""Test Home Assistant pressure utility functions."""
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import pytest
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from homeassistant.const import (
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PRESSURE_HPA,
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PRESSURE_INHG,
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PRESSURE_MBAR,
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PRESSURE_PA,
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PRESSURE_PSI,
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)
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import homeassistant.util.pressure as pressure_util
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INVALID_SYMBOL = "bob"
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VALID_SYMBOL = PRESSURE_PA
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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 pressure_util.convert(2, PRESSURE_PA, PRESSURE_PA) == 2
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assert pressure_util.convert(3, PRESSURE_HPA, PRESSURE_HPA) == 3
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assert pressure_util.convert(4, PRESSURE_MBAR, PRESSURE_MBAR) == 4
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assert pressure_util.convert(5, PRESSURE_INHG, PRESSURE_INHG) == 5
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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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pressure_util.convert(5, INVALID_SYMBOL, VALID_SYMBOL)
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with pytest.raises(ValueError):
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pressure_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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pressure_util.convert("a", PRESSURE_HPA, PRESSURE_INHG)
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def test_convert_from_hpascals():
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"""Test conversion from hPA to other units."""
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hpascals = 1000
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assert pressure_util.convert(hpascals, PRESSURE_HPA, PRESSURE_PSI) == pytest.approx(
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14.5037743897
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)
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assert pressure_util.convert(
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hpascals, PRESSURE_HPA, PRESSURE_INHG
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) == pytest.approx(29.5299801647)
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assert pressure_util.convert(hpascals, PRESSURE_HPA, PRESSURE_PA) == pytest.approx(
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100000
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)
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assert pressure_util.convert(
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hpascals, PRESSURE_HPA, PRESSURE_MBAR
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) == pytest.approx(1000)
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def test_convert_from_inhg():
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"""Test conversion from inHg to other units."""
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inhg = 30
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assert pressure_util.convert(inhg, PRESSURE_INHG, PRESSURE_PSI) == pytest.approx(
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14.7346266155
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)
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assert pressure_util.convert(inhg, PRESSURE_INHG, PRESSURE_HPA) == pytest.approx(
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1015.9167
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)
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assert pressure_util.convert(inhg, PRESSURE_INHG, PRESSURE_PA) == pytest.approx(
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101591.67
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)
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assert pressure_util.convert(inhg, PRESSURE_INHG, PRESSURE_MBAR) == pytest.approx(
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1015.9167
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)
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