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|
from .base import MeasurementTestBase
from measurement.measures import Speed
class SpeedTest(MeasurementTestBase):
def test_attrconversion(self):
meters_per_second = Speed(meter__second=10)
miles_per_hour = 22.3694
self.assertAlmostEqual(
miles_per_hour,
meters_per_second.mi__hr,
places=3
)
def test_attrconversion_nonstandard(self):
miles_per_hour = Speed(mi__hr=22.3694)
kilometers_per_minute = 0.599748864
self.assertAlmostEqual(
kilometers_per_minute,
miles_per_hour.km__min,
places=3
)
def test_addition(self):
train_1 = Speed(mile__hour=10)
train_2 = Speed(mile__hour=5)
actual_value = train_1 + train_2
expected_value = Speed(mile__hour=15)
self.assertEqual(
actual_value,
expected_value
)
def test_iadd(self):
train_1 = Speed(mile__hour=10)
train_2 = Speed(mile__hour=5)
actual_value = train_1
actual_value += train_2
expected_value = Speed(mile__hour=15)
self.assertEqual(
actual_value,
expected_value,
)
def test_sub(self):
train_1 = Speed(mile__hour=10)
train_2 = Speed(mile__hour=5)
expected_value = Speed(mile__hour=5)
actual_value = train_1 - train_2
self.assertEqual(
expected_value,
actual_value
)
def test_isub(self):
train_1 = Speed(mile__hour=10)
train_2 = Speed(mile__hour=5)
expected_value = Speed(mile__hour=5)
actual_value = train_1
actual_value -= train_2
self.assertEqual(
expected_value,
actual_value,
)
def test_mul(self):
train_1 = Speed(mile__hour=10)
multiplier = 2
actual_value = multiplier * train_1
expected_value = Speed(mile__hour=20)
self.assertEqual(
actual_value,
expected_value,
)
def test_imul(self):
train_1 = Speed(mile__hour=10)
multiplier = 2
actual_value = train_1
actual_value *= multiplier
expected_value = Speed(mile__hour=20)
self.assertEqual(
actual_value,
expected_value,
)
def test_div(self):
train_1 = Speed(mile__hour=10)
divider = 2
actual_value = train_1 / divider
expected_value = Speed(mile__hour=5)
self.assertEqual(
actual_value,
expected_value,
)
def test_idiv(self):
train_1 = Speed(mile__hour=10)
divider = 2
actual_value = train_1
actual_value /= divider
expected_value = Speed(mile__hour=5)
self.assertEqual(
actual_value,
expected_value,
)
def test_equals(self):
train_1 = Speed(mile__hour=10)
train_2 = Speed(mile__hour=10)
self.assertEqual(
train_1,
train_2,
)
def test_lt(self):
train_1 = Speed(mile__hour=5)
train_2 = Speed(mile__hour=10)
self.assertTrue(
train_1 < train_2
)
def test_bool_true(self):
train_1 = Speed(mile__hour=5)
self.assertTrue(
train_1
)
def test_bool_false(self):
train_1 = Speed(mile__hour=0)
self.assertFalse(
train_1
)
def test_abbreviations(self):
train_1 = Speed(mph=4)
train_2 = Speed(mile__hour=4)
self.assertEqual(
train_1,
train_2
)
def test_different_units_addition(self):
train = Speed(mile__hour=10)
increase = Speed(km__day=2)
two_km_day_in_mph = 0.0517809327
expected_speed = Speed(mile__hour=10 + two_km_day_in_mph)
actual_speed = train + increase
self.assertAlmostEqual(
expected_speed.standard,
actual_speed.standard,
)
def test_aliases(self):
speed = Speed(mph=10)
expected_kph = 16.09344
actual_kph = speed.kph
self.assertAlmostEqual(
expected_kph,
actual_kph,
)
def test_set_unit(self):
speed = Speed(mi__hr=10)
speed.unit = 'm__s'
expected_value = 4.4704
actual_value = speed.value
self.assertAlmostEqual(
expected_value,
actual_value,
)
|
