def test_serializer_throws_error_if_max_size_is_too_small():
"""If EnvelopeSerializer gets an max_envelope_size_in_mb is an int < 4k it
will raise a ValueError otherwise it does not raises no exception."""
EnvelopeSerializer(io.StringIO(), envelope_id=1, max_envelope_size=4096)
with pytest.raises(ValueError) as e:
EnvelopeSerializer(io.StringIO(), envelope_id=1, max_envelope_size=4095)
assert e.value.args == (
"Max envelope size 4095 is too small, it should be at least 4096.",
)
def test_serializer_min_envelope_size_is_large_enough():
"""MIN_ENVELOPE_SIZE needs to be large enough to hold the templates the
templates for the envelope and some content."""
serializer = EnvelopeSerializer(io.StringIO(), 1)
min_content_size = 1024 # minimum size for content.
templates_size = len(
(
serializer.render_file_header()
+ serializer.render_envelope_start()
+ serializer.render_envelope_end()
).encode(),
)
assert EnvelopeSerializer.MIN_ENVELOPE_SIZE > templates_size + min_content_size
def test_envelope_serializer_outputs_expected_items(approved_workbasket):
"""EnvelopeSerializer should output all the models passed to it and
generated records for descriptions."""
# Transaction context manager is not used to create transactions,
# as it creates phantom workbaskets and transactions which cause XSD failures later.
tx = ApprovedTransactionFactory.create(workbasket=approved_workbasket)
regulation = factories.RegulationFactory.create(
transaction=tx,
regulation_group=None,
)
footnote = factories.FootnoteFactory.create(
transaction=tx,
) # FootnoteFactory also creates a FootnoteType and FootnoteDescription
expected_items = [
regulation,
footnote.footnote_type,
footnote,
*footnote.descriptions.all(),
] # < Note: These are sorted by record_code, subrecord_code
expected_item_record_codes = {
(o.record_code, o.subrecord_code) for o in expected_items
}
assertQuerysetEqual(
expected_items,
approved_workbasket.tracked_models.all(),
transform=lambda o: o,
ordered=False,
) # Some of the factories create other data so sanity check expected items.
output = io.BytesIO()
with EnvelopeSerializer(output, random.randint(2, 9999)) as env:
env.render_transaction(
models=approved_workbasket.tracked_models.all(),
transaction_id=tx.order,
)
output_xml = etree.XML(output.getvalue())
output_record_codes = {*taric_xml_record_codes(output_xml)}
# More items than models are output, as models for descriptions aren't kept.
assert (
output_record_codes >= expected_item_record_codes
), f"Output ({output_record_codes}) missing some expected record codes"