def test_div(self):
train_1 = Speed(mile__hour=10)
divider = 2
actual_value = train_1 / divider
expected_value = Speed(mile__hour=5)
assert expected_value == actual_value
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)
assert 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
assert 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)
assert expected_value == actual_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)
assert actual_value == expected_value
def test_bool_true(self):
train_1 = Speed(mile__hour=5)
assert train_1
def test_lt(self):
train_1 = Speed(mile__hour=5)
train_2 = Speed(mile__hour=10)
assert train_1 < train_2
def test_equals(self):
train_1 = Speed(mile__hour=10)
train_2 = Speed(mile__hour=10)
assert train_1 == train_2
def test_attrconversion(self):
assert Speed("10 m/s") == Speed("36 km/h")
def test_kph(self):
assert Speed(kph=10) == Speed(km__h=10), Speed._units["km__h"].factor
def test_mph(self):
assert Speed(mph=10) == Speed(mi__h=10), Speed._units["mi__h"].factor
def test_different_units_addition(self):
train = Speed(km__h=1)
increase = Speed(m__h=10)
assert train + increase == Speed("1.01 km/h")
def test_abbreviations(self):
train_1 = Speed(mph=4)
train_2 = Speed(mile__hour=4)
assert train_1 == train_2
def test_bool_false(self):
train_1 = Speed(mile__hour=0)
assert not train_1