def test_parse_gtin_8(value: str) -> None:
assert Gtin.parse(value) == Gtin(
value=value,
format=GtinFormat.GTIN_8,
prefix=GS1Prefix(value="00009", usage="GS1 US"),
payload="9638507",
check_digit=4,
)
def test_parse_gtin_12_without_leading_zero(value: str) -> None:
assert Gtin.parse(value) == Gtin(
value=value,
format=GtinFormat.GTIN_12,
prefix=GS1Prefix(value="061", usage="GS1 US"),
payload="61414100003",
check_digit=6,
)
def test_parse_gtin_13(value: str) -> None:
assert Gtin.parse(value) == Gtin(
value=value,
format=GtinFormat.GTIN_13,
prefix=GS1Prefix(value="590", usage="GS1 Poland"),
payload="590123412345",
check_digit=7,
)
def test_parse_gtin_12_with_3_leading_zero(value: str) -> None:
assert Gtin.parse(value) == Gtin(
value=value,
format=GtinFormat.GTIN_12,
prefix=GS1Prefix(value="00009", usage="GS1 US"),
payload="00090291451",
check_digit=1,
)
def test_parse_gtin_14() -> None:
assert Gtin.parse("98765432109213") == Gtin(
value="98765432109213",
format=GtinFormat.GTIN_14,
prefix=GS1Prefix(value="876", usage="GS1 Netherlands"),
payload="9876543210921",
check_digit=3,
packaging_level=9,
)
def test_parse() -> None:
sscc = Sscc.parse("376130321109103420")
assert sscc == Sscc(
value="376130321109103420",
prefix=GS1Prefix(value="761", usage="GS1 Schweiz, Suisse, Svizzera"),
extension_digit=3,
payload="37613032110910342",
check_digit=0,
)
from biip.gtin import Gtin, GtinFormat
from biip.sscc import Sscc
@pytest.mark.parametrize(
"value, expected",
[
(
"00373400306809981733",
GS1ElementString(
ai=GS1ApplicationIdentifier.extract("00"),
value="373400306809981733",
pattern_groups=["373400306809981733"],
sscc=Sscc(
value="373400306809981733",
prefix=GS1Prefix(value="734", usage="GS1 Sweden"),
extension_digit=3,
payload="37340030680998173",
check_digit=3,
),
),
),
(
"0107032069804988",
GS1ElementString(
ai=GS1ApplicationIdentifier.extract("01"),
value="07032069804988",
pattern_groups=["07032069804988"],
gtin=Gtin(
value="07032069804988",
format=GtinFormat.GTIN_13,
element_strings=[
GS1ElementString(
ai=GS1ApplicationIdentifier(
ai="01",
description="Global Trade Item Number (GTIN)",
data_title="GTIN",
fnc1_required=False,
format="N2+N14",
pattern="^01(\\d{14})$",
),
value="07032069804988",
pattern_groups=["07032069804988"],
gtin=Gtin(
value="07032069804988",
format=GtinFormat.GTIN_13,
prefix=GS1Prefix(value="703", usage="GS1 Norway"),
payload="703206980498",
check_digit=8,
),
),
GS1ElementString(
ai=GS1ApplicationIdentifier(
ai="15",
description="Best before date (YYMMDD)",
data_title="BEST BEFORE or BEST BY",
fnc1_required=False,
format="N2+N6",
pattern="^15(\\d{6})$",
),
value="210526",
pattern_groups=["210526"],
@pytest.mark.parametrize("bad_value", ["abcdef", "1a2b3c"])
def test_invalid_gs1_prefix(bad_value: str) -> None:
with pytest.raises(ParseError) as exc_info:
GS1Prefix.extract(bad_value)
assert str(exc_info.value) == f"Failed to get GS1 Prefix from {bad_value!r}."
@pytest.mark.parametrize(
"value, expected",
[
(
"0000001999",
GS1Prefix(value="0000001", usage="Unused to avoid collision with GTIN-8"),
),
("060999", GS1Prefix(value="060", usage="GS1 US")),
("139999", GS1Prefix(value="139", usage="GS1 US")),
("6712670000276", None), # Unassigned prefix
("701999", GS1Prefix(value="701", usage="GS1 Norway")),
("978-1-492-05374-3", GS1Prefix(value="978", usage="Bookland (ISBN)")),
],
)
def test_gs1_prefix(value: str, expected: GS1Prefix) -> None:
assert GS1Prefix.extract(value) == expected
def test_is_hashable() -> None:
prefix = GS1Prefix.extract("978")
from biip.sscc import Sscc
from biip.symbology import Symbology, SymbologyIdentifier
@pytest.mark.parametrize(
"value, expected",
[
(
# GTIN-8
"96385074",
ParseResult(
value="96385074",
gtin=Gtin(
value="96385074",
format=GtinFormat.GTIN_8,
prefix=GS1Prefix(value="00009", usage="GS1 US"),
payload="9638507",
check_digit=4,
),
gs1_message=GS1Message(
value="96385074",
element_strings=[
GS1ElementString(
ai=GS1ApplicationIdentifier.extract("96"),
value="385074",
pattern_groups=["385074"],
)
],
),
sscc_error=
("Failed to parse '96385074' as SSCC: Expected 18 digits, got 8."