import datetime as dt import pytest import pytz import stix2 from .constants import IDENTITY_ID, INDICATOR_ID, SIGHTING_ID, SIGHTING_KWARGS EXPECTED_SIGHTING = """{ "type": "sighting", "id": "sighting--bfbc19db-ec35-4e45-beed-f8bde2a772fb", "created": "2016-04-06T20:06:37.000Z", "modified": "2016-04-06T20:06:37.000Z", "sighting_of_ref": "indicator--a740531e-63ff-4e49-a9e1-a0a3eed0e3e7", "where_sighted_refs": [ "identity--311b2d2d-f010-4473-83ec-1edf84858f4c" ] }""" BAD_SIGHTING = """{ "created": "2016-04-06T20:06:37.000Z", "id": "sighting--bfbc19db-ec35-4e45-beed-f8bde2a772fb", "modified": "2016-04-06T20:06:37.000Z", "sighting_of_ref": "indicator--a740531e-63ff-4e49-a9e1-a0a3eed0e3e7", "type": "sighting", "where_sighted_refs": [ "malware--8cc7afd6-5455-4d2b-a736-e614ee631d99" ] }""" def test_sighting_all_required_properties(): now = dt.datetime(2016, 4, 6, 20, 6, 37, tzinfo=pytz.utc) s = stix2.v20.Sighting( type='sighting', id=SIGHTING_ID, created=now, modified=now, sighting_of_ref=INDICATOR_ID, where_sighted_refs=[IDENTITY_ID], ) assert str(s) == EXPECTED_SIGHTING def test_sighting_bad_where_sighted_refs(): now = dt.datetime(2016, 4, 6, 20, 6, 37, tzinfo=pytz.utc) with pytest.raises(stix2.exceptions.InvalidValueError) as excinfo: stix2.v20.Sighting( type='sighting', id=SIGHTING_ID, created=now, modified=now, sighting_of_ref=INDICATOR_ID, where_sighted_refs=["malware--8cc7afd6-5455-4d2b-a736-e614ee631d99"], ) assert excinfo.value.cls == stix2.v20.Sighting assert excinfo.value.prop_name == "where_sighted_refs" assert excinfo.value.reason == "must start with 'identity'." assert str(excinfo.value) == "Invalid value for Sighting 'where_sighted_refs': must start with 'identity'." def test_sighting_type_must_be_sightings(): with pytest.raises(stix2.exceptions.InvalidValueError) as excinfo: stix2.v20.Sighting(type='xxx', **SIGHTING_KWARGS) assert excinfo.value.cls == stix2.v20.Sighting assert excinfo.value.prop_name == "type" assert excinfo.value.reason == "must equal 'sighting'." assert str(excinfo.value) == "Invalid value for Sighting 'type': must equal 'sighting'." def test_invalid_kwarg_to_sighting(): with pytest.raises(stix2.exceptions.ExtraPropertiesError) as excinfo: stix2.v20.Sighting(my_custom_property="foo", **SIGHTING_KWARGS) assert excinfo.value.cls == stix2.v20.Sighting assert excinfo.value.properties == ['my_custom_property'] assert str(excinfo.value) == "Unexpected properties for Sighting: (my_custom_property)." def test_create_sighting_from_objects_rather_than_ids(malware): # noqa: F811 rel = stix2.v20.Sighting(sighting_of_ref=malware) assert rel.sighting_of_ref == 'malware--00000000-0000-4000-8000-000000000001' assert rel.id == 'sighting--00000000-0000-4000-8000-000000000003' @pytest.mark.parametrize( "data", [ EXPECTED_SIGHTING, { "created": "2016-04-06T20:06:37Z", "id": SIGHTING_ID, "modified": "2016-04-06T20:06:37Z", "sighting_of_ref": "indicator--a740531e-63ff-4e49-a9e1-a0a3eed0e3e7", "type": "sighting", "where_sighted_refs": [ IDENTITY_ID, ], }, ], ) def test_parse_sighting(data): sighting = stix2.parse(data, version="2.0") assert sighting.type == 'sighting' assert sighting.id == SIGHTING_ID assert sighting.created == dt.datetime(2016, 4, 6, 20, 6, 37, tzinfo=pytz.utc) assert sighting.modified == dt.datetime(2016, 4, 6, 20, 6, 37, tzinfo=pytz.utc) assert sighting.sighting_of_ref == INDICATOR_ID assert sighting.where_sighted_refs == [IDENTITY_ID]