def test_conversion_badType_5():
alter = conversion.Conversion()
with pytest.raises(ValueError):
answer = alter.unit_change(245.38, 'Kopecs')
def test_conversion_badType_3():
alter = conversion.Conversion()
answer = alter.unit_change(-15, ('KGS', 'KGS'))
assert answer == None
def test_conversion_good_1():
alter = conversion.Conversion()
answer = alter.unit_change(1.2482, ('KGS', 'KGS'))
assert answer == pytest.approx(1.2482, 0.0005)
def test_conversion_good_4():
alter = conversion.Conversion()
answer = alter.unit_change(1.2483, ('LBS', 'LBS'))
assert answer == pytest.approx(1.2483, 0.0005)
def test_conversion_good_3():
alter = conversion.Conversion()
answer = alter.unit_change(3, ('LBS', 'KGS'))
assert answer == pytest.approx(1.360776, 0.000005)
def test_conversion_good_2():
alter = conversion.Conversion()
answer = alter.unit_change(1.25, ('KGS', 'LBS'))
assert answer == pytest.approx(2.755775, 0.000005)