def test_eq():
temp1 = Variable("temperature", 13.5, "celsius")
temp2 = Variable("temperature", 13.5, "celsius")
temp3 = Variable("temperature", 10, "celsius")
wind1 = Variable("wind_speed", 13.5, "m/s")
temp_fahrenheit = Variable("temperature", 13.5, "fahrenheit")
assert temp1 == temp2
assert temp1 != temp3
assert temp1 != wind1
assert temp1 != temp_fahrenheit
def test_lt():
temp1 = Variable("temperature", 13.5, "celsius")
temp2 = Variable("temperature", 13.5, "celsius")
temp3 = Variable("temperature", 15, "celsius")
wind1 = Variable("wind_speed", 13.5, "m/s")
temp_fahrenheit = Variable("temperature", 15, "fahrenheit")
assert temp1 <= temp2 # type: ignore
assert temp1 < 14
assert temp1 < temp3
assert temp3 > temp1
with pytest.raises(TypeError):
temp1 < wind1
with pytest.raises(TypeError):
temp1 < temp_fahrenheit
def generic_interval_copy():
start = dt.datetime(year=2020, month=1, day=1, hour=12)
end = dt.datetime(year=2020, month=1, day=1, hour=16)
symbol_code = "cloudy"
var1 = Variable("temperature", 12.5, "celsius")
var2 = Variable("wind_speed", 3.2, "m/s")
var3 = Variable("wind_direction", 90, "degrees")
variables = {
"temperature": var1,
"wind_speed": var2,
"wind_direction": var3,
}
return Interval(start, end, symbol_code, variables)
def test_sub():
temp1 = Variable("temperature", 2, "celsius")
temp2 = Variable("temperature", 3, "celsius")
temp3 = Variable("temperature", 10.5, "celsius")
wind1 = Variable("wind_speed", 13.5, "m/s")
temp_fahrenheit = Variable("temperature", 13.5, "fahrenheit")
assert Variable("temperature", -1, "celsius") == temp1 - temp2
assert Variable("temperature", -8.5, "celsius") == temp1 - temp3
with pytest.raises(TypeError):
temp1 - wind1
with pytest.raises(TypeError):
temp1 - temp_fahrenheit
def test_mps_to_kph():
zero = Variable("speed", 0, "m/s")
slow = Variable("speed", 3, "m/s")
fast = Variable("speed", 15.2, "m/s")
error = Variable("", 0, "other")
zero._mps_to_kph()
slow._mps_to_kph()
fast._mps_to_kph()
assert zero.value == 0.0
assert slow.value == 10.8
assert fast.value == 54.72
assert zero.units == "km/h"
with pytest.raises(ValueError):
error._mps_to_kph()
def test_celsius_to_fahrenheit():
freezing = Variable("temperature", 0, "celsius")
boiling = Variable("temperature", 100, "celsius")
other = Variable("temperature", 37.5, "celsius")
error = Variable("", 0, "other")
freezing._celsius_to_fahrenheit()
boiling._celsius_to_fahrenheit()
other._celsius_to_fahrenheit()
assert freezing.value == 32.0
assert boiling.value == 212.0
assert other.value == 99.5
assert freezing.units == "fahrenheit"
with pytest.raises(ValueError):
error._celsius_to_fahrenheit()
def test_repr():
temperature = Variable("temperature", 13.5, "celsius")
assert repr(temperature) == "Variable(temperature, 13.5, celsius)"
def ten_mps(self):
return Variable("speed", 10, "m/s")
def zero_celsius(self):
return Variable("temperature", 0, "celsius")
def test_str():
temperature = Variable("temperature", 13.5, "celsius")
assert str(temperature) == "temperature: 13.5celsius"