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

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import pytest
import stix2
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EXPECTED_BUNDLE = """{
"id": "bundle--00000000-0000-0000-0000-000000000004",
"objects": [
{
"created": "2017-01-01T12:34:56Z",
"id": "indicator--00000000-0000-0000-0000-000000000001",
"labels": [
"malicious-activity"
],
"modified": "2017-01-01T12:34:56Z",
"pattern": "[file:hashes.MD5 = 'd41d8cd98f00b204e9800998ecf8427e']",
"type": "indicator",
"valid_from": "2017-01-01T12:34:56Z"
},
{
"created": "2017-01-01T12:34:56Z",
"id": "malware--00000000-0000-0000-0000-000000000002",
"labels": [
"ransomware"
],
"modified": "2017-01-01T12:34:56Z",
"name": "Cryptolocker",
"type": "malware"
},
{
"created": "2017-01-01T12:34:56Z",
"id": "relationship--00000000-0000-0000-0000-000000000003",
"modified": "2017-01-01T12:34:56Z",
"relationship_type": "indicates",
"source_ref": "indicator--01234567-89ab-cdef-0123-456789abcdef",
"target_ref": "malware--fedcba98-7654-3210-fedc-ba9876543210",
"type": "relationship"
}
],
"spec_version": "2.0",
"type": "bundle"
}"""
def test_empty_bundle():
bundle = stix2.Bundle()
assert bundle.type == "bundle"
assert bundle.id.startswith("bundle--")
assert bundle.spec_version == "2.0"
with pytest.raises(AttributeError):
assert bundle.objects
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def test_bundle_with_wrong_type():
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with pytest.raises(stix2.exceptions.InvalidValueError) as excinfo:
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stix2.Bundle(type="not-a-bundle")
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assert excinfo.value.cls == stix2.Bundle
assert excinfo.value.prop_name == "type"
assert excinfo.value.reason == "must equal 'bundle'."
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assert str(excinfo.value) == "Invalid value for Bundle 'type': must equal 'bundle'."
def test_bundle_id_must_start_with_bundle():
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with pytest.raises(stix2.exceptions.InvalidValueError) as excinfo:
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stix2.Bundle(id='my-prefix--')
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assert excinfo.value.cls == stix2.Bundle
assert excinfo.value.prop_name == "id"
assert excinfo.value.reason == "must start with 'bundle--'."
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assert str(excinfo.value) == "Invalid value for Bundle 'id': must start with 'bundle--'."
def test_bundle_with_wrong_spec_version():
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with pytest.raises(stix2.exceptions.InvalidValueError) as excinfo:
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stix2.Bundle(spec_version="1.2")
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assert excinfo.value.cls == stix2.Bundle
assert excinfo.value.prop_name == "spec_version"
assert excinfo.value.reason == "must equal '2.0'."
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assert str(excinfo.value) == "Invalid value for Bundle 'spec_version': must equal '2.0'."
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def test_create_bundle(indicator, malware, relationship):
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bundle = stix2.Bundle(objects=[indicator, malware, relationship])
assert str(bundle) == EXPECTED_BUNDLE
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def test_create_bundle_with_positional_args(indicator, malware, relationship):
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bundle = stix2.Bundle(indicator, malware, relationship)
assert str(bundle) == EXPECTED_BUNDLE