def test_nothing(self): self.assertFalse(Validate.validate_blood_type(""))
def test_a(self): self.assertFalse(Validate.validate_blood_type("A"))
def test_long(self): self.assertFalse(Validate.validate_blood_type("ggsiiuh sv448hg hsuh94"))
def test_ofalse(self): self.assertFalse(Validate.validate_blood_type("O+"))
def test_null(self): self.assertFalse(Validate.validate_blood_type("0"))
def test_oplus(self): self.assertTrue(Validate.validate_blood_type("0+"))
def test_abminusupper(self): self.assertTrue(Validate.validate_blood_type("AB-"))
def test_bpluslower(self): self.assertTrue(Validate.validate_blood_type("b+"))