258 lines
9.4 KiB
Python
258 lines
9.4 KiB
Python
import pytest
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import stix2
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from .constants import CAMPAIGN_MORE_KWARGS
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def test_making_new_version():
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campaign_v1 = stix2.v20.Campaign(**CAMPAIGN_MORE_KWARGS)
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campaign_v2 = campaign_v1.new_version(name="fred")
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assert campaign_v1.id == campaign_v2.id
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assert campaign_v1.created_by_ref == campaign_v2.created_by_ref
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assert campaign_v1.created == campaign_v2.created
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assert campaign_v1.name != campaign_v2.name
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assert campaign_v2.name == "fred"
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assert campaign_v1.description == campaign_v2.description
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assert campaign_v1.modified < campaign_v2.modified
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def test_making_new_version_with_unset():
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campaign_v1 = stix2.v20.Campaign(**CAMPAIGN_MORE_KWARGS)
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campaign_v2 = campaign_v1.new_version(description=None)
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assert campaign_v1.id == campaign_v2.id
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assert campaign_v1.created_by_ref == campaign_v2.created_by_ref
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assert campaign_v1.created == campaign_v2.created
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assert campaign_v1.name == campaign_v2.name
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with pytest.raises(AttributeError):
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assert campaign_v2.description
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assert campaign_v1.modified < campaign_v2.modified
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def test_making_new_version_with_embedded_object():
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campaign_v1 = stix2.v20.Campaign(
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external_references=[{
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"source_name": "capec",
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"external_id": "CAPEC-163",
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}],
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**CAMPAIGN_MORE_KWARGS
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)
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campaign_v2 = campaign_v1.new_version(external_references=[{
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"source_name": "capec",
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"external_id": "CAPEC-164",
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}])
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assert campaign_v1.id == campaign_v2.id
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assert campaign_v1.created_by_ref == campaign_v2.created_by_ref
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assert campaign_v1.created == campaign_v2.created
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assert campaign_v1.name == campaign_v2.name
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assert campaign_v1.description == campaign_v2.description
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assert campaign_v1.modified < campaign_v2.modified
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assert campaign_v1.external_references[0].external_id != campaign_v2.external_references[0].external_id
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def test_revoke():
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campaign_v1 = stix2.v20.Campaign(**CAMPAIGN_MORE_KWARGS)
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campaign_v2 = campaign_v1.revoke()
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assert campaign_v1.id == campaign_v2.id
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assert campaign_v1.created_by_ref == campaign_v2.created_by_ref
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assert campaign_v1.created == campaign_v2.created
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assert campaign_v1.name == campaign_v2.name
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assert campaign_v1.description == campaign_v2.description
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assert campaign_v1.modified < campaign_v2.modified
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assert campaign_v2.revoked
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def test_versioning_error_invalid_property():
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campaign_v1 = stix2.v20.Campaign(**CAMPAIGN_MORE_KWARGS)
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with pytest.raises(stix2.exceptions.UnmodifiablePropertyError) as excinfo:
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campaign_v1.new_version(type="threat-actor")
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assert str(excinfo.value) == "These properties cannot be changed when making a new version: type."
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def test_versioning_error_bad_modified_value():
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campaign_v1 = stix2.v20.Campaign(**CAMPAIGN_MORE_KWARGS)
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with pytest.raises(stix2.exceptions.InvalidValueError) as excinfo:
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campaign_v1.new_version(modified="2015-04-06T20:03:00.000Z")
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assert excinfo.value.cls == stix2.v20.Campaign
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assert excinfo.value.prop_name == "modified"
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assert excinfo.value.reason == "The new modified datetime cannot be before than or equal to the current modified datetime." \
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"It cannot be equal, as according to STIX 2 specification, objects that are different " \
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"but have the same id and modified timestamp do not have defined consumer behavior."
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msg = "Invalid value for {0} '{1}': {2}"
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msg = msg.format(
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stix2.v20.Campaign.__name__, "modified",
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"The new modified datetime cannot be before than or equal to the current modified datetime."
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"It cannot be equal, as according to STIX 2 specification, objects that are different "
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"but have the same id and modified timestamp do not have defined consumer behavior.",
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)
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assert str(excinfo.value) == msg
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def test_versioning_error_usetting_required_property():
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campaign_v1 = stix2.v20.Campaign(**CAMPAIGN_MORE_KWARGS)
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with pytest.raises(stix2.exceptions.MissingPropertiesError) as excinfo:
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campaign_v1.new_version(name=None)
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assert excinfo.value.cls == stix2.v20.Campaign
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assert excinfo.value.properties == ["name"]
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msg = "No values for required properties for {0}: ({1})."
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msg = msg.format(stix2.v20.Campaign.__name__, "name")
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assert str(excinfo.value) == msg
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def test_versioning_error_new_version_of_revoked():
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campaign_v1 = stix2.v20.Campaign(**CAMPAIGN_MORE_KWARGS)
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campaign_v2 = campaign_v1.revoke()
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with pytest.raises(stix2.exceptions.RevokeError) as excinfo:
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campaign_v2.new_version(name="barney")
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assert str(excinfo.value) == "Cannot create a new version of a revoked object."
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assert excinfo.value.called_by == "new_version"
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assert str(excinfo.value) == "Cannot create a new version of a revoked object."
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def test_versioning_error_revoke_of_revoked():
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campaign_v1 = stix2.v20.Campaign(**CAMPAIGN_MORE_KWARGS)
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campaign_v2 = campaign_v1.revoke()
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with pytest.raises(stix2.exceptions.RevokeError) as excinfo:
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campaign_v2.revoke()
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assert str(excinfo.value) == "Cannot revoke an already revoked object."
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assert excinfo.value.called_by == "revoke"
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assert str(excinfo.value) == "Cannot revoke an already revoked object."
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def test_making_new_version_dict():
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campaign_v1 = CAMPAIGN_MORE_KWARGS
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campaign_v2 = stix2.utils.new_version(CAMPAIGN_MORE_KWARGS, name="fred")
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assert campaign_v1['id'] == campaign_v2['id']
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assert campaign_v1['created_by_ref'] == campaign_v2['created_by_ref']
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assert campaign_v1['created'] == campaign_v2['created']
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assert campaign_v1['name'] != campaign_v2['name']
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assert campaign_v2['name'] == "fred"
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assert campaign_v1['description'] == campaign_v2['description']
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assert stix2.utils.parse_into_datetime(campaign_v1['modified'], precision='millisecond') < campaign_v2['modified']
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def test_versioning_error_dict_bad_modified_value():
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with pytest.raises(stix2.exceptions.InvalidValueError) as excinfo:
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stix2.utils.new_version(CAMPAIGN_MORE_KWARGS, modified="2015-04-06T20:03:00.000Z")
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assert excinfo.value.cls == dict
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assert excinfo.value.prop_name == "modified"
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assert excinfo.value.reason == "The new modified datetime cannot be before than or equal to the current modified datetime." \
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"It cannot be equal, as according to STIX 2 specification, objects that are different " \
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"but have the same id and modified timestamp do not have defined consumer behavior."
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def test_versioning_error_dict_no_modified_value():
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campaign_v1 = {
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'type': 'campaign',
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'id': "campaign--8e2e2d2b-17d4-4cbf-938f-98ee46b3cd3f",
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'created': "2016-04-06T20:03:00.000Z",
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'name': "Green Group Attacks Against Finance",
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}
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campaign_v2 = stix2.utils.new_version(campaign_v1, modified="2017-04-06T20:03:00.000Z")
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assert str(campaign_v2['modified']) == "2017-04-06T20:03:00.000Z"
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def test_making_new_version_invalid_cls():
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campaign_v1 = "This is a campaign."
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with pytest.raises(ValueError) as excinfo:
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stix2.utils.new_version(campaign_v1, name="fred")
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assert 'cannot create new version of object of this type' in str(excinfo.value)
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def test_revoke_dict():
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campaign_v1 = CAMPAIGN_MORE_KWARGS
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campaign_v2 = stix2.utils.revoke(campaign_v1)
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assert campaign_v1['id'] == campaign_v2['id']
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assert campaign_v1['created_by_ref'] == campaign_v2['created_by_ref']
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assert campaign_v1['created'] == campaign_v2['created']
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assert campaign_v1['name'] == campaign_v2['name']
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assert campaign_v1['description'] == campaign_v2['description']
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assert stix2.utils.parse_into_datetime(campaign_v1['modified'], precision='millisecond') < campaign_v2['modified']
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assert campaign_v2['revoked']
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def test_versioning_error_revoke_of_revoked_dict():
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campaign_v1 = CAMPAIGN_MORE_KWARGS
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campaign_v2 = stix2.utils.revoke(campaign_v1)
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with pytest.raises(stix2.exceptions.RevokeError) as excinfo:
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stix2.utils.revoke(campaign_v2)
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assert excinfo.value.called_by == "revoke"
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def test_revoke_invalid_cls():
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campaign_v1 = "This is a campaign."
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with pytest.raises(ValueError) as excinfo:
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stix2.utils.revoke(campaign_v1)
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assert 'cannot revoke object of this type' in str(excinfo.value)
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def test_remove_custom_stix_property():
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mal = stix2.v20.Malware(
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name="ColePowers",
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labels=["rootkit"],
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x_custom="armada",
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allow_custom=True,
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)
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mal_nc = stix2.utils.remove_custom_stix(mal)
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assert "x_custom" not in mal_nc
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assert (stix2.utils.parse_into_datetime(mal["modified"], precision="millisecond") <
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stix2.utils.parse_into_datetime(mal_nc["modified"], precision="millisecond"))
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def test_remove_custom_stix_object():
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@stix2.v20.CustomObject(
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"x-animal", [
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("species", stix2.properties.StringProperty(required=True)),
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("animal_class", stix2.properties.StringProperty()),
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],
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)
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class Animal(object):
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pass
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animal = Animal(species="lion", animal_class="mammal")
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nc = stix2.utils.remove_custom_stix(animal)
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assert nc is None
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def test_remove_custom_stix_no_custom():
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campaign_v1 = stix2.v20.Campaign(**CAMPAIGN_MORE_KWARGS)
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campaign_v2 = stix2.utils.remove_custom_stix(campaign_v1)
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assert len(campaign_v1.keys()) == len(campaign_v2.keys())
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assert campaign_v1.id == campaign_v2.id
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assert campaign_v1.description == campaign_v2.description
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