core/tests/test_efferent_gate.py

92 lines
2.9 KiB
Python

from __future__ import annotations
import numpy as np
import pytest
from sensorium.efferent import DefaultEfferentGate
from sensorium.protocol import AuthorityToken, EfferentRefusal, Modality, ModalityPack, ModalityVocabulary
from sensorium.registry import ModalityRegistry
class _Decoder:
modality = Modality.MOTOR
def __init__(self) -> None:
self.calls = 0
def decode(self, mv: np.ndarray) -> str:
self.calls += 1
return "decoded"
def decode_batch(self, mvs: np.ndarray) -> list[str]:
self.calls += len(mvs)
return ["decoded" for _ in range(len(mvs))]
def _mv() -> np.ndarray:
out = np.zeros(32, dtype=np.float32)
out[0] = 1.0
return out
def _authority(*capabilities: str) -> AuthorityToken:
return AuthorityToken(
principal_id="test-principal",
capabilities=tuple(capabilities),
issued_at_revision="test-revision",
)
def _pack(decoder: _Decoder) -> ModalityPack:
return ModalityPack(
pack_id="motor_test",
modality_type=Modality.MOTOR,
vocabulary=ModalityVocabulary(),
grammar_scaffold=None,
checksum_verified=True,
decoder=decoder,
gate_engaged=True,
)
def test_default_efferent_gate_admits_exact_and_wildcard_capabilities():
gate = DefaultEfferentGate()
assert gate.admit("motor_test", _mv(), _authority("decode:motor_test")).admitted
assert gate.admit("motor_test", _mv(), _authority("decode:*")).admitted
assert gate.admit("motor_test", _mv(), _authority("*")).admitted
def test_default_efferent_gate_denies_missing_capability_and_bad_shape():
gate = DefaultEfferentGate()
denied = gate.admit("motor_test", _mv(), _authority("decode:other"))
assert denied.admitted is False
assert "missing capability" in denied.reason
malformed = gate.admit("motor_test", np.zeros(31, dtype=np.float32), _authority("decode:motor_test"))
assert malformed.admitted is False
assert "invalid efferent vector shape" in malformed.reason
def test_default_efferent_trace_is_hash_only():
gate = DefaultEfferentGate()
authority = _authority("decode:motor_test")
verdict = gate.admit("motor_test", _mv(), authority)
trace = gate.trace("motor_test", authority, verdict).as_dict()
assert trace["admitted"] is True
assert trace["capability"] == "decode:motor_test"
assert "mv" not in trace
for value in trace.values():
assert not isinstance(value, (np.ndarray, bytes, bytearray))
def test_registry_uses_default_efferent_gate_before_decoder():
decoder = _Decoder()
reg = ModalityRegistry(efferent_gate=DefaultEfferentGate())
reg.mount(_pack(decoder))
with pytest.raises(EfferentRefusal, match="missing capability"):
reg.decode("motor_test", _mv(), authority=_authority("decode:other"))
assert decoder.calls == 0
assert reg.decode("motor_test", _mv(), authority=_authority("decode:motor_test")) == "decoded"
assert decoder.calls == 1