RoleMesh-Gateway/tests/test_registry.py

149 lines
4.5 KiB
Python

from __future__ import annotations
import random
from rolemesh_gateway.registry import NodeHeartbeat, NodeRegistration, Registry, ServedModel
def test_registry_persists_round_robin_and_heartbeat_state(tmp_path):
persist_path = tmp_path / "registry.json"
registry = Registry(persist_path=persist_path)
registry.register(
NodeRegistration(
node_id="node-a",
base_url="http://127.0.0.1:9001",
roles=["reviewer"],
)
)
registry.register(
NodeRegistration(
node_id="node-b",
base_url="http://127.0.0.1:9002",
roles=["reviewer"],
)
)
assert registry.pick_node_for_role("reviewer").node_id == "node-a"
assert registry.pick_node_for_role("reviewer").node_id == "node-b"
node = registry.heartbeat(
NodeHeartbeat(
node_id="node-a",
timestamp=456.0,
status={"healthy": True},
metrics=[{"queue_depth": 1}],
)
)
assert node is not None
assert node.status["metrics"] == [{"queue_depth": 1}]
reloaded = Registry(persist_path=persist_path)
assert reloaded.pick_node_for_role("reviewer").node_id == "node-a"
assert reloaded.list_nodes()[0].status["timestamp"] == 456.0
def test_registry_heartbeat_returns_none_for_unknown_node():
registry = Registry()
assert registry.heartbeat(NodeHeartbeat(node_id="missing")) is None
def test_registry_filters_stale_nodes_from_routing(tmp_path):
persist_path = tmp_path / "registry.json"
registry = Registry(persist_path=persist_path, stale_after_s=0.01)
fresh = registry.register(
NodeRegistration(
node_id="fresh-node",
base_url="http://127.0.0.1:9001",
roles=["reviewer"],
)
)
stale = registry.register(
NodeRegistration(
node_id="stale-node",
base_url="http://127.0.0.1:9002",
roles=["reviewer"],
)
)
stale.last_seen = stale.last_seen - 60
registry._save()
assert registry.is_stale(stale) is True
assert registry.is_stale(fresh) is False
assert [node.node_id for node in registry.nodes_for_role("reviewer", include_stale=False)] == ["fresh-node"]
assert registry.pick_node_for_role("reviewer").node_id == "fresh-node"
def test_registry_supports_random_selection(monkeypatch):
registry = Registry()
registry.register(
NodeRegistration(
node_id="node-a",
base_url="http://127.0.0.1:9001",
roles=["reviewer"],
)
)
registry.register(
NodeRegistration(
node_id="node-b",
base_url="http://127.0.0.1:9002",
roles=["reviewer"],
)
)
monkeypatch.setattr(random, "choice", lambda candidates: candidates[-1])
picked = registry.pick_node_for_role("reviewer", strategy="random")
assert picked is not None
assert picked.node_id == "node-b"
def test_registry_supports_served_models_and_candidate_selection():
registry = Registry()
registry.register(
NodeRegistration(
node_id="node-a",
base_url="http://127.0.0.1:9001",
served_models=[
ServedModel(model_id="qwen3-8b", roles=["tutor", "mentor"]),
ServedModel(model_id="qwen2.5-coder-14b", roles=["code_tutor"]),
],
)
)
tutor_candidates = registry.candidates_for_role("tutor")
assert len(tutor_candidates) == 1
assert tutor_candidates[0].node_id == "node-a"
assert tutor_candidates[0].model_id == "qwen3-8b"
mentor_candidates = registry.candidates_for_role("mentor")
assert len(mentor_candidates) == 1
assert mentor_candidates[0].model_id == "qwen3-8b"
code_candidates = registry.candidates_for_role("code_tutor")
assert len(code_candidates) == 1
assert code_candidates[0].model_id == "qwen2.5-coder-14b"
picked = registry.pick_candidate_for_role("mentor")
assert picked is not None
assert picked.model_id == "qwen3-8b"
def test_registry_loads_legacy_roles_as_served_models(tmp_path):
persist_path = tmp_path / "registry.json"
registry = Registry(persist_path=persist_path)
registry.register(
NodeRegistration(
node_id="node-a",
base_url="http://127.0.0.1:9001",
roles=["reviewer"],
)
)
reloaded = Registry(persist_path=persist_path)
candidates = reloaded.candidates_for_role("reviewer")
assert len(candidates) == 1
assert candidates[0].model_id == "reviewer"