def create_mock_category(id, sig, thresh, name):
"""Create a mock category object for testing purposes.
Args:
id: str, system referenc (hash when not a test obj).
sig: str, the signature we're matching against.
thresh: float, what ratio will match sig.
name: str, human-readable name.
"""
cat = Category(
redis_util.MockRedis(share_state=False),
cat_id=id)
cat._set_signature(sig)
cat._set_threshold(thresh)
cat._set_human(name)
return cat
