cti-python-stix2/stix2/test/v20/test_datastore_composite.py

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import pytest
from stix2.datastore import CompositeDataSource, make_id
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from stix2.datastore.filters import Filter
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from stix2.datastore.memory import MemorySink, MemorySource
def test_add_remove_composite_datasource():
cds = CompositeDataSource()
ds1 = MemorySource()
ds2 = MemorySource()
ds3 = MemorySink()
with pytest.raises(TypeError) as excinfo:
cds.add_data_sources([ds1, ds2, ds1, ds3])
assert str(excinfo.value) == (
"DataSource (to be added) is not of type "
"stix2.DataSource. DataSource type is '<class 'stix2.datastore.memory.MemorySink'>'"
)
cds.add_data_sources([ds1, ds2, ds1])
assert len(cds.get_all_data_sources()) == 2
cds.remove_data_sources([ds1.id, ds2.id])
assert len(cds.get_all_data_sources()) == 0
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def test_composite_datasource_operations(stix_objs1, stix_objs2):
BUNDLE1 = dict(
id="bundle--%s" % make_id(),
objects=stix_objs1,
spec_version="2.0",
type="bundle",
)
cds1 = CompositeDataSource()
ds1_1 = MemorySource(stix_data=BUNDLE1)
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ds1_2 = MemorySource(stix_data=stix_objs2)
cds2 = CompositeDataSource()
ds2_1 = MemorySource(stix_data=BUNDLE1)
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ds2_2 = MemorySource(stix_data=stix_objs2)
cds1.add_data_sources([ds1_1, ds1_2])
cds2.add_data_sources([ds2_1, ds2_2])
indicators = cds1.all_versions("indicator--00000000-0000-4000-8000-000000000001")
# In STIX_OBJS2 changed the 'modified' property to a later time...
assert len(indicators) == 2
cds1.add_data_sources([cds2])
indicator = cds1.get("indicator--00000000-0000-4000-8000-000000000001")
assert indicator["id"] == "indicator--00000000-0000-4000-8000-000000000001"
assert indicator["modified"] == "2017-01-31T13:49:53.935Z"
assert indicator["type"] == "indicator"
query1 = [
Filter("type", "=", "indicator"),
]
query2 = [
Filter("valid_from", "=", "2017-01-27T13:49:53.935382Z"),
]
cds1.filters.add(query2)
results = cds1.query(query1)
# STIX_OBJS2 has indicator with later time, one with different id, one with
# original time in STIX_OBJS1
assert len(results) == 3
indicator = cds1.get("indicator--00000000-0000-4000-8000-000000000001")
assert indicator["id"] == "indicator--00000000-0000-4000-8000-000000000001"
assert indicator["modified"] == "2017-01-31T13:49:53.935Z"
assert indicator["type"] == "indicator"
# There is only one indicator with different ID. Since we use the same data
# when deduplicated, only two indicators (one with different modified).
results = cds1.all_versions("indicator--00000000-0000-4000-8000-000000000001")
assert len(results) == 2
# Since we have filters already associated with our CompositeSource providing
# nothing returns the same as cds1.query(query1) (the associated query is query2)
results = cds1.query([])
assert len(results) == 3