def test_NIG12_first_description_must_have_same_start_date(date_ranges):
"""The start date of the first description period must be equal to the start
date of the nomenclature."""
good = factories.GoodsNomenclatureFactory.create(
description__valid_between=date_ranges.later,
)
with pytest.raises(BusinessRuleViolation):
business_rules.NIG12(good.transaction).validate(good)
def test_NIG12_start_dates_cannot_match():
"""No two associated description periods may have the same start date."""
goods_nomenclature = factories.GoodsNomenclatureFactory.create()
duplicate = factories.GoodsNomenclatureDescriptionFactory.create(
described_goods_nomenclature=goods_nomenclature,
valid_between=goods_nomenclature.valid_between,
)
with pytest.raises(BusinessRuleViolation):
business_rules.NIG12(duplicate.transaction).validate(goods_nomenclature)
def test_NIG12_description_start_before_nomenclature_end(
date_ranges,
unapproved_transaction,
):
"""The start date must be less than or equal to the end date of the
nomenclature."""
goods_nomenclature = factories.GoodsNomenclatureFactory.create(
valid_between=date_ranges.normal,
description__valid_between=date_ranges.starts_with_normal,
transaction=unapproved_transaction,
)
early_description = factories.GoodsNomenclatureDescriptionFactory.create(
described_goods_nomenclature=goods_nomenclature,
valid_between=date_ranges.later,
)
with pytest.raises(BusinessRuleViolation):
business_rules.NIG12(early_description.transaction).validate(goods_nomenclature)
def test_NIG12_one_description_mandatory():
"""At least one description record is mandatory."""
good = factories.GoodsNomenclatureFactory.create(description=None)
with pytest.raises(BusinessRuleViolation):
business_rules.NIG12(good.transaction).validate(good)
