def test_FO4_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 footnote."""
footnote = factories.FootnoteFactory.create(
description__valid_between=date_ranges.later, )
with pytest.raises(BusinessRuleViolation):
business_rules.FO4(footnote.transaction).validate(footnote)
def test_FO4_start_dates_cannot_match():
"""No two associated description periods may have the same start date."""
footnote = factories.FootnoteFactory.create()
duplicate = factories.FootnoteDescriptionFactory.create(
described_footnote=footnote,
valid_between=footnote.valid_between,
)
with pytest.raises(BusinessRuleViolation):
business_rules.FO4(duplicate.transaction).validate(footnote)
def test_FO4_description_start_before_footnote_end(date_ranges):
"""The start date must be less than or equal to the end date of the
footnote."""
footnote = factories.FootnoteFactory.create(
valid_between=date_ranges.normal,
description__valid_between=date_ranges.starts_with_normal,
)
early_description = factories.FootnoteDescriptionFactory.create(
described_footnote=footnote,
valid_between=date_ranges.later,
)
with pytest.raises(BusinessRuleViolation):
business_rules.FO4(early_description.transaction).validate(footnote)
def test_FO4_one_description_mandatory():
"""At least one description record is mandatory."""
footnote = factories.FootnoteFactory.create(description=None)
with pytest.raises(BusinessRuleViolation):
business_rules.FO4(footnote.transaction).validate(footnote)
