def test_invalid_value_numeric_input():
with pytest.raises(ValueError):
check_bt(8, 1)
with pytest.raises(ValueError):
check_bt(3, -1)
def test_invalid_type():
with pytest.raises(TypeError):
check_bt(1.0, 1)
with pytest.raises(TypeError):
check_bt(3, ["AB", "Rh+"])
def test_universal_donor():
donor = Bloodtype.ZERO_NEG
for i in range(8):
recipient = Bloodtype(i)
assert check_bt(donor, recipient)
def test_invalid_value_text_input():
with pytest.raises(ValueError):
check_bt("X-", "Y+")
with pytest.raises(ValueError):
check_bt("0", "A+")
def test_red_blood_cell_compatibility_text_input():
assert check_bt("0+", "A+")
assert check_bt("0+", "B+")
assert check_bt("B-", "B+")
assert check_bt("A-", "AB-")
def test_red_blood_cell_incompatibility_text_input():
assert check_bt("0+", "A-") is False
assert check_bt("0+", "B-") is False
assert check_bt("B-", "0-") is False
assert check_bt("AB-", "A+") is False
def test_red_blood_cell_incompatibility():
assert check_bt(Bloodtype.B_POS, Bloodtype.B_NEG) is False
assert check_bt(Bloodtype.A_NEG, Bloodtype.B_NEG) is False
assert check_bt(Bloodtype.AB_NEG, Bloodtype.B_POS) is False
assert check_bt(Bloodtype.B_NEG, Bloodtype.A_POS) is False
def test_red_blood_cell_compatibility():
assert check_bt(Bloodtype.A_NEG, Bloodtype.A_NEG) # own
assert check_bt(Bloodtype.B_NEG, Bloodtype.B_POS)
assert check_bt(Bloodtype.A_NEG, Bloodtype.AB_NEG)
def test_ZERO_NEG_can_recieve_from_own_group_only_numeric_input():
recipient = 0
for i in range(1, 8):
donor = i
assert check_bt(donor, recipient) is False
def test_AB_POS_can_donate_to_own_group_only_numeric_input():
donor = 7
for i in range(7):
recipient = i
assert check_bt(donor, recipient) is False
def test_universal_recipient():
recipient = Bloodtype.AB_POS
for i in range(8):
donor = Bloodtype(i)
assert check_bt(donor, recipient)