69 lines
2.5 KiB
Python
69 lines
2.5 KiB
Python
"""Test homeassistant distance utility functions."""
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import pytest
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import homeassistant.util.distance as distance_util
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from homeassistant.const import (LENGTH_KILOMETERS, LENGTH_METERS, LENGTH_FEET,
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LENGTH_MILES)
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INVALID_SYMBOL = 'bob'
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VALID_SYMBOL = LENGTH_KILOMETERS
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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 distance_util.convert(5, LENGTH_KILOMETERS, LENGTH_KILOMETERS) == 5
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assert distance_util.convert(2, LENGTH_METERS, LENGTH_METERS) == 2
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assert distance_util.convert(10, LENGTH_MILES, LENGTH_MILES) == 10
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assert distance_util.convert(9, LENGTH_FEET, LENGTH_FEET) == 9
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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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distance_util.convert(5, INVALID_SYMBOL, VALID_SYMBOL)
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with pytest.raises(ValueError):
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distance_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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distance_util.convert('a', LENGTH_KILOMETERS, LENGTH_METERS)
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def test_convert_from_miles():
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"""Test conversion from miles to other units."""
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miles = 5
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assert distance_util.convert(miles, LENGTH_MILES, LENGTH_KILOMETERS) == \
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8.04672
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assert distance_util.convert(miles, LENGTH_MILES, LENGTH_METERS) == 8046.72
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assert distance_util.convert(miles, LENGTH_MILES, LENGTH_FEET) == \
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26400.0008448
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def test_convert_from_feet():
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"""Test conversion from feet to other units."""
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feet = 5000
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assert distance_util.convert(feet, LENGTH_FEET, LENGTH_KILOMETERS) == 1.524
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assert distance_util.convert(feet, LENGTH_FEET, LENGTH_METERS) == 1524
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assert distance_util.convert(feet, LENGTH_FEET, LENGTH_MILES) == \
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0.9469694040000001
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def test_convert_from_kilometers():
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"""Test conversion from kilometers to other units."""
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km = 5
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assert distance_util.convert(km, LENGTH_KILOMETERS, LENGTH_FEET) == 16404.2
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assert distance_util.convert(km, LENGTH_KILOMETERS, LENGTH_METERS) == 5000
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assert distance_util.convert(km, LENGTH_KILOMETERS, LENGTH_MILES) == \
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3.106855
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def test_convert_from_meters():
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"""Test conversion from meters to other units."""
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m = 5000
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assert distance_util.convert(m, LENGTH_METERS, LENGTH_FEET) == 16404.2
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assert distance_util.convert(m, LENGTH_METERS, LENGTH_KILOMETERS) == 5
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assert distance_util.convert(m, LENGTH_METERS, LENGTH_MILES) == 3.106855
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