How to use the schwifty.BIC function in schwifty

def test_bic():
    bic = BIC("GENODEM1GLS")
    assert bic.formatted == "GENO DE M1 GLS"
    assert bic.validate()

def test_bic_allow_invalid():
    bic = BIC("GENODXM1GLS", allow_invalid=True)
    assert bic
    assert bic.country_code == "DX"
    with pytest.raises(ValueError):
        bic.validate()

def test_bic_properties():
    bic = BIC("GENODEM1GLS")
    assert bic.length == 11
    assert bic.bank_code == "GENO"
    assert bic.country_code == "DE"
    assert bic.location_code == "M1"
    assert bic.branch_code == "GLS"
    assert bic.domestic_bank_codes == ["43060967", "43060988"]
    assert bic.bank_names == [
        "GLS Gemeinschaftsbank",
        "GLS Gemeinschaftsbank (GAA)",
    ]
    assert bic.bank_short_names == [
        "GLS Bank in Bochum (GAA)",
        "GLS Gemeinschaftsbk Bochum",
    ]
    assert bic.country == countries.get(alpha_2="DE")
    with pytest.warns(DeprecationWarning):

def test_magic_methods():
    bic = BIC("GENODEM1GLS")
    assert bic == "GENODEM1GLS"
    assert bic == BIC("GENODEM1GLS")
    assert bic != BIC("GENODEMMXXX")
    assert bic != 12345
    assert bic < "GENODEM1GLT"

    assert str(bic) == "GENODEM1GLS"
    assert hash(bic) == hash("GENODEM1GLS")
    assert repr(bic) == ""

def test_bic_no_branch_code():
    bic = BIC("GENODEM1")
    assert bic.branch_code is None
    assert bic.formatted == "GENO DE M1"

def test_invalid_bic(code):
    with pytest.raises(ValueError):
        BIC(code)

def test_unknown_bic_properties():
    bic = BIC("ABNAJPJTXXX")
    assert bic.length == 11
    assert bic.bank_code == "ABNA"
    assert bic.country_code == "JP"
    assert bic.location_code == "JT"
    assert bic.branch_code == "XXX"
    assert bic.country_bank_code is None
    assert bic.domestic_bank_codes == []
    assert bic.bank_name is None
    assert bic.bank_names == []
    assert bic.bank_short_name is None
    assert bic.bank_short_names == []
    assert not bic.exists
    assert bic.type == "default"

def test_magic_methods():
    bic = BIC("GENODEM1GLS")
    assert bic == "GENODEM1GLS"
    assert bic == BIC("GENODEM1GLS")
    assert bic != BIC("GENODEMMXXX")
    assert bic != 12345
    assert bic < "GENODEM1GLT"

    assert str(bic) == "GENODEM1GLS"
    assert hash(bic) == hash("GENODEM1GLS")
    assert repr(bic) == ""

def test_magic_methods():
    bic = BIC("GENODEM1GLS")
    assert bic == "GENODEM1GLS"
    assert bic == BIC("GENODEM1GLS")
    assert bic != BIC("GENODEMMXXX")
    assert bic != 12345
    assert bic < "GENODEM1GLT"

    assert str(bic) == "GENODEM1GLS"
    assert hash(bic) == hash("GENODEM1GLS")
    assert repr(bic) == ""

if self.mandate_state == "bounced":
            return SepaDirectDebitState.BOUNCED

        if self.mandate_state == "inactive":
            return SepaDirectDebitState.INACTIVE

        if not self.bic_autocomplete:
            return SepaDirectDebitState.NO_BIC

        bic = self.bic_parsed
        if not bic:
            return SepaDirectDebitState.INVALID_BIC

        if bic.country_code == "DE" and not bic.exists:
            # PBNKDEFF and PBNKDEFFXXX should be the same
            b_ = BIC(str(bic) + "XXX")
            if not b_.exists:
                return SepaDirectDebitState.INVALID_BIC

        if not self.mandate_reference:
            return SepaDirectDebitState.NO_MANDATE_REFERENCE

        return SepaDirectDebitState.OK