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tests: fixtures: extract global features at each scope

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This commit is contained in:
William Ballenthin
2021-09-04 15:58:32 -06:00
parent b2590e7c9a
commit 2ea4dc9d7e
1 changed files with 11 additions and 3 deletions
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14
tests/fixtures.py
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@@ -10,6 +10,7 @@
import os
import os.path
import binascii
import itertools
import contextlib
import collections
from functools import lru_cache
@@ -133,6 +134,13 @@ def get_pefile_extractor(path):
return capa.features.extractors.pefile.PefileFeatureExtractor(path)
def extract_global_features(extractor):
features = collections.defaultdict(set)
for feature, va in extractor.extract_global_features():
features[feature].add(va)
return features
@lru_cache()
def extract_file_features(extractor):
features = collections.defaultdict(set)
@@ -288,7 +296,7 @@ def resolve_scope(scope):
if scope == "file":
def inner_file(extractor):
return extract_file_features(extractor)
return itertools.chain(extract_file_features(extractor), extract_global_scope(extractor))
inner_file.__name__ = scope
return inner_file
@@ -301,7 +309,7 @@ def resolve_scope(scope):
def inner_bb(extractor):
f = get_function(extractor, fva)
bb = get_basic_block(extractor, f, bbva)
return extract_basic_block_features(extractor, f, bb)
return itertools.chain(extract_basic_block_features(extractor, f, bb), extract_global_scope(extractor))
inner_bb.__name__ = scope
return inner_bb
@@ -311,7 +319,7 @@ def resolve_scope(scope):
def inner_function(extractor):
f = get_function(extractor, va)
return extract_function_features(extractor, f)
return itertools.chain(extract_function_features(extractor, f), extract_global_scope(extractor))
inner_function.__name__ = scope
return inner_function