69 lines
2.8 KiB
Python
69 lines
2.8 KiB
Python
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"""Test homeasssitant distance utility functions."""
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import unittest
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import homeassistant.util.distance as distance_util
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KILOMETERS = distance_util.KILOMETERS_SYMBOL
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METERS = distance_util.METERS_SYMBOL
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FEET = distance_util.FEET_SYMBOL
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MILES = distance_util.MILES_SYMBOL
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INVALID_SYMBOL = 'bob'
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VALID_SYMBOL = KILOMETERS
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class TestDistanceUtil(unittest.TestCase):
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"""Test the distance utility functions."""
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def test_convert_same_unit(self):
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"""Test conversion from any unit to same unit."""
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self.assertEqual(5, distance_util.convert(5, KILOMETERS, KILOMETERS))
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self.assertEqual(2, distance_util.convert(2, METERS, METERS))
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self.assertEqual(10, distance_util.convert(10, MILES, MILES))
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self.assertEqual(9, distance_util.convert(9, FEET, FEET))
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def test_convert_invalid_unit(self):
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"""Test exception is thrown for invalid units."""
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with self.assertRaises(ValueError):
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distance_util.convert(5, INVALID_SYMBOL, VALID_SYMBOL)
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with self.assertRaises(ValueError):
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distance_util.convert(5, VALID_SYMBOL, INVALID_SYMBOL)
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def test_convert_nonnumeric_value(self):
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"""Test exception is thrown for nonnumeric type."""
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with self.assertRaises(TypeError):
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distance_util.convert('a', KILOMETERS, METERS)
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def test_convert_from_miles(self):
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"""Test conversion from miles to other units."""
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miles = 5
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self.assertEqual(distance_util.convert(miles, MILES, KILOMETERS),
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8.04672)
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self.assertEqual(distance_util.convert(miles, MILES, METERS), 8046.72)
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self.assertEqual(distance_util.convert(miles, MILES, FEET),
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26400.0008448)
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def test_convert_from_feet(self):
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"""Test conversion from feet to other units."""
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feet = 5000
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self.assertEqual(distance_util.convert(feet, FEET, KILOMETERS), 1.524)
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self.assertEqual(distance_util.convert(feet, FEET, METERS), 1524)
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self.assertEqual(distance_util.convert(feet, FEET, MILES),
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0.9469694040000001)
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def test_convert_from_kilometers(self):
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"""Test conversion from kilometers to other units."""
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km = 5
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self.assertEqual(distance_util.convert(km, KILOMETERS, FEET), 16404.2)
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self.assertEqual(distance_util.convert(km, KILOMETERS, METERS), 5000)
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self.assertEqual(distance_util.convert(km, KILOMETERS, MILES),
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3.106855)
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def test_convert_from_meters(self):
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"""Test conversion from meters to other units."""
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m = 5000
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self.assertEqual(distance_util.convert(m, METERS, FEET), 16404.2)
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self.assertEqual(distance_util.convert(m, METERS, KILOMETERS), 5)
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self.assertEqual(distance_util.convert(m, METERS, MILES), 3.106855)
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