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Add kPa as a pressure unit (#56885)

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Glenn Waters 2021-10-01 11:08:04 -04:00 committed by GitHub
parent 369412547a
commit e4f15c42e0
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3 changed files with 32 additions and 0 deletions
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1
homeassistant/const.py
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@ -470,6 +470,7 @@ FREQUENCY_GIGAHERTZ: Final = "GHz"
# Pressure units
PRESSURE_PA: Final = "Pa"
PRESSURE_HPA: Final = "hPa"
PRESSURE_KPA: Final = "kPa"
PRESSURE_BAR: Final = "bar"
PRESSURE_MBAR: Final = "mbar"
PRESSURE_INHG: Final = "inHg"

3
homeassistant/util/pressure.py
View File

@ -8,6 +8,7 @@ from homeassistant.const import (
PRESSURE_BAR,
PRESSURE_HPA,
PRESSURE_INHG,
PRESSURE_KPA,
PRESSURE_MBAR,
PRESSURE_PA,
PRESSURE_PSI,
@ -17,6 +18,7 @@ from homeassistant.const import (
VALID_UNITS: tuple[str, ...] = (
PRESSURE_PA,
PRESSURE_HPA,
PRESSURE_KPA,
PRESSURE_BAR,
PRESSURE_MBAR,
PRESSURE_INHG,
@ -26,6 +28,7 @@ VALID_UNITS: tuple[str, ...] = (
UNIT_CONVERSION: dict[str, float] = {
PRESSURE_PA: 1,
PRESSURE_HPA: 1 / 100,
PRESSURE_KPA: 1 / 1000,
PRESSURE_BAR: 1 / 100000,
PRESSURE_MBAR: 1 / 100,
PRESSURE_INHG: 1 / 3386.389,

28
tests/util/test_pressure.py
View File

@ -4,6 +4,7 @@ import pytest
from homeassistant.const import (
PRESSURE_HPA,
PRESSURE_INHG,
PRESSURE_KPA,
PRESSURE_MBAR,
PRESSURE_PA,
PRESSURE_PSI,
@ -20,6 +21,7 @@ def test_convert_same_unit():
assert pressure_util.convert(3, PRESSURE_HPA, PRESSURE_HPA) == 3
assert pressure_util.convert(4, PRESSURE_MBAR, PRESSURE_MBAR) == 4
assert pressure_util.convert(5, PRESSURE_INHG, PRESSURE_INHG) == 5
assert pressure_util.convert(6, PRESSURE_KPA, PRESSURE_KPA) == 6
def test_convert_invalid_unit():
@ -49,17 +51,43 @@ def test_convert_from_hpascals():
assert pressure_util.convert(hpascals, PRESSURE_HPA, PRESSURE_PA) == pytest.approx(
100000
)
assert pressure_util.convert(hpascals, PRESSURE_HPA, PRESSURE_KPA) == pytest.approx(
100
)
assert pressure_util.convert(
hpascals, PRESSURE_HPA, PRESSURE_MBAR
) == pytest.approx(1000)
def test_convert_from_kpascals():
"""Test conversion from hPA to other units."""
kpascals = 100
assert pressure_util.convert(kpascals, PRESSURE_KPA, PRESSURE_PSI) == pytest.approx(
14.5037743897
)
assert pressure_util.convert(
kpascals, PRESSURE_KPA, PRESSURE_INHG
) == pytest.approx(29.5299801647)
assert pressure_util.convert(kpascals, PRESSURE_KPA, PRESSURE_PA) == pytest.approx(
100000
)
assert pressure_util.convert(kpascals, PRESSURE_KPA, PRESSURE_HPA) == pytest.approx(
1000
)
assert pressure_util.convert(
kpascals, PRESSURE_KPA, PRESSURE_MBAR
) == pytest.approx(1000)
def test_convert_from_inhg():
"""Test conversion from inHg to other units."""
inhg = 30
assert pressure_util.convert(inhg, PRESSURE_INHG, PRESSURE_PSI) == pytest.approx(
14.7346266155
)
assert pressure_util.convert(inhg, PRESSURE_INHG, PRESSURE_KPA) == pytest.approx(
101.59167
)
assert pressure_util.convert(inhg, PRESSURE_INHG, PRESSURE_HPA) == pytest.approx(
1015.9167
)