def test_after_unknown_product_recalculations():
recalculate_quality(pasta)
recalculate_quality(pasta1)
assert pasta.quality == 1
# inmmutable cause no if statements
assert pasta1.quality == 20
assert pasta2.quality == 5
def test_after_one_potato_recalculations():
recalculate_quality(potato)
recalculate_quality(potato1)
recalculate_quality(potato2)
assert potato.quality == 9.5
assert potato1.quality == 99.5
assert potato2.quality == 0
def test_after_unknown_product_recalculation_bellow_zero():
recalculate_quality(pasta)
assert pasta.quality == -2
def test_after_two_cheese_recalculations():
recalculate_quality(cheese)
recalculate_quality(cheese1)
assert cheese.quality == 6
assert cheese1.quality == 96
def test_lessthan5_recalculation1():
recalculate_quality(ham)
assert ham.quality == 1
def test_after_one_cheese_recalculations():
recalculate_quality(cheese)
recalculate_quality(cheese1)
assert cheese.quality == 8
assert cheese1.quality == 98
def test_after_two_potato_recalculations():
recalculate_quality(potato)
recalculate_quality(potato1)
assert potato.quality == 9
assert potato1.quality == 99
def test_defined_product():
recalculate_quality(potatoe)
assert potatoe.quality == 9.5
def test_zero_quality_product():
recalculate_quality(carrot)
assert carrot.quality == 0