def test_configuration_with_fact_using_function():
facts = {"f1": "len(vals) == 10"}
rules = {"r1": {"expression": "f1", "actions": ["launch"]}}
le = LogicEngine({"rules": rules, "facts": facts, "channel_name": "test"})
assert le.produces() == ["actions", "newfacts"]
assert le.consumes() == ["vals"]
def test_configuration_with_numy_facts():
facts = {"f1": "vals.sum() > blob.available"}
rules = {"r1": {"expression": "f1", "actions": ["launch"]}}
le = LogicEngine({"rules": rules, "facts": facts, "channel_name": "test"})
assert le.produces() == ["actions", "newfacts"]
assert set(le.consumes()) == {"vals", "blob"}
def test_trivial_configuration():
"""Logic engine constructed with trivial rules and facts."""
cfg = {"rules": {}, "facts": {}, "channel_name": "test"}
le = LogicEngine(cfg)
assert le.produces() == ["actions", "newfacts"]
assert le.consumes() == []