cti-python-stix2/stix2/test/test_environment.py

import stix2

from .constants import (FAKE_TIME, IDENTITY_ID, IDENTITY_KWARGS,
                        INDICATOR_KWARGS)


def test_object_factory_created_by_ref_str():
    factory = stix2.ObjectFactory(created_by_ref=IDENTITY_ID)
    ind = factory.create(stix2.Indicator, **INDICATOR_KWARGS)
    assert ind.created_by_ref == IDENTITY_ID


def test_object_factory_created_by_ref_obj():
    id_obj = stix2.Identity(id=IDENTITY_ID, **IDENTITY_KWARGS)
    factory = stix2.ObjectFactory(created_by_ref=id_obj)
    ind = factory.create(stix2.Indicator, **INDICATOR_KWARGS)
    assert ind.created_by_ref == IDENTITY_ID


def test_object_factory_override_default():
    factory = stix2.ObjectFactory(created_by_ref=IDENTITY_ID)
    new_id = "identity--983b3172-44fe-4a80-8091-eb8098841fe8"
    ind = factory.create(stix2.Indicator, created_by_ref=new_id, **INDICATOR_KWARGS)
    assert ind.created_by_ref == new_id


def test_object_factory_created():
    factory = stix2.ObjectFactory(created=FAKE_TIME)
    ind = factory.create(stix2.Indicator, **INDICATOR_KWARGS)
    assert ind.created == FAKE_TIME
    assert ind.modified == FAKE_TIME


def test_object_factory_external_resource():
    ext_ref = stix2.ExternalReference(source_name="ACME Threat Intel",
                                      description="Threat report")
    factory = stix2.ObjectFactory(external_references=ext_ref)
    ind = factory.create(stix2.Indicator, **INDICATOR_KWARGS)
    assert ind.external_references[0].source_name == "ACME Threat Intel"
    assert ind.external_references[0].description == "Threat report"

    ind2 = factory.create(stix2.Indicator, external_references=None, **INDICATOR_KWARGS)
    assert 'external_references' not in ind2


def test_object_factory_obj_markings():
    stmt_marking = stix2.StatementMarking("Copyright 2016, Example Corp")
    mark_def = stix2.MarkingDefinition(definition_type="statement",
                                       definition=stmt_marking)
    factory = stix2.ObjectFactory(object_marking_refs=[mark_def, stix2.TLP_AMBER])
    ind = factory.create(stix2.Indicator, **INDICATOR_KWARGS)
    assert mark_def.id in ind.object_marking_refs
    assert stix2.TLP_AMBER.id in ind.object_marking_refs

    factory = stix2.ObjectFactory(object_marking_refs=stix2.TLP_RED)
    ind = factory.create(stix2.Indicator, **INDICATOR_KWARGS)
    assert stix2.TLP_RED.id in ind.object_marking_refs


def test_object_factory_list_append():
    ext_ref = stix2.ExternalReference(source_name="ACME Threat Intel",
                                      description="Threat report from ACME")
    ext_ref2 = stix2.ExternalReference(source_name="Yet Another Threat Report",
                                       description="Threat report from YATR")
    ext_ref3 = stix2.ExternalReference(source_name="Threat Report #3",
                                       description="One more threat report")
    factory = stix2.ObjectFactory(external_references=ext_ref)
    ind = factory.create(stix2.Indicator, external_references=ext_ref2, **INDICATOR_KWARGS)
    assert ind.external_references[1].source_name == "Yet Another Threat Report"

    ind = factory.create(stix2.Indicator, external_references=[ext_ref2, ext_ref3], **INDICATOR_KWARGS)
    assert ind.external_references[2].source_name == "Threat Report #3"


def test_object_factory_list_replace():
    ext_ref = stix2.ExternalReference(source_name="ACME Threat Intel",
                                      description="Threat report from ACME")
    ext_ref2 = stix2.ExternalReference(source_name="Yet Another Threat Report",
                                       description="Threat report from YATR")
    factory = stix2.ObjectFactory(external_references=ext_ref, list_append=False)
    ind = factory.create(stix2.Indicator, external_references=ext_ref2, **INDICATOR_KWARGS)
    assert len(ind.external_references) == 1
    assert ind.external_references[0].source_name == "Yet Another Threat Report"