492 lines
17 KiB
Python
492 lines
17 KiB
Python
import asyncio
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import json
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from pathlib import Path
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from geniehive_control.chat import ProxyError, _prepare_chat_upstream, _strip_reasoning_from_sse_chunk, proxy_chat_completion, proxy_embeddings, stream_chat_completion
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from geniehive_control.models import HostRegistration, RegisteredService, RoleProfile
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from geniehive_control.registry import Registry
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from geniehive_control.upstream import UpstreamClient
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class _FakeResponse:
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def __init__(self, payload: dict, status_code: int = 200) -> None:
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self._payload = payload
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self.status_code = status_code
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self.text = str(payload)
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def json(self) -> dict:
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return self._payload
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class _FakePoster:
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def __init__(self) -> None:
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self.calls: list[dict] = []
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async def post(self, url: str, *, json: dict, headers: dict[str, str] | None = None) -> _FakeResponse:
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self.calls.append({"url": url, "json": json, "headers": headers or {}})
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return _FakeResponse({"ok": True, "echo_model": json["model"]})
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def _build_registry(tmp_path: Path) -> Registry:
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registry = Registry(tmp_path / "geniehive.sqlite3")
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registry.register_host(
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HostRegistration(
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host_id="atlas-01",
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address="192.168.1.101",
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services=[
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RegisteredService(
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service_id="atlas-01/chat/qwen3-8b",
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host_id="atlas-01",
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kind="chat",
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endpoint="http://192.168.1.101:18091",
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assets=[{"asset_id": "qwen3-8b-q4km", "loaded": True}],
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state={"health": "healthy", "load_state": "loaded", "accept_requests": True},
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observed={"p50_latency_ms": 900},
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),
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RegisteredService(
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service_id="atlas-01/embeddings/bge-small",
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host_id="atlas-01",
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kind="embeddings",
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endpoint="http://192.168.1.101:18092",
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assets=[{"asset_id": "bge-small-en", "loaded": True}],
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state={"health": "healthy", "load_state": "loaded", "accept_requests": True},
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observed={"p50_latency_ms": 120},
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)
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],
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)
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)
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registry.upsert_roles(
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[
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RoleProfile(
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role_id="mentor",
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display_name="Mentor",
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operation="chat",
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modality="text",
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routing_policy={"preferred_families": ["qwen3"]},
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),
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RoleProfile(
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role_id="embedder",
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display_name="Embedder",
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operation="embeddings",
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modality="text",
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routing_policy={"require_loaded": True},
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)
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]
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)
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return registry
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def test_proxy_chat_completion_rewrites_role_to_loaded_asset(tmp_path: Path) -> None:
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registry = _build_registry(tmp_path)
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fake = _FakePoster()
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upstream = UpstreamClient(client=fake)
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async def run() -> dict:
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return await proxy_chat_completion(
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{
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"model": "mentor",
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"messages": [{"role": "user", "content": "hello"}],
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},
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registry=registry,
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upstream=upstream,
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)
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result = asyncio.run(run())
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assert result["ok"] is True
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assert result["echo_model"] == "qwen3-8b-q4km"
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assert fake.calls[0]["url"] == "http://192.168.1.101:18091/v1/chat/completions"
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assert fake.calls[0]["json"]["model"] == "qwen3-8b-q4km"
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def test_proxy_chat_completion_preserves_direct_asset_match(tmp_path: Path) -> None:
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registry = _build_registry(tmp_path)
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fake = _FakePoster()
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upstream = UpstreamClient(client=fake)
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async def run() -> dict:
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return await proxy_chat_completion(
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{
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"model": "qwen3-8b-q4km",
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"messages": [{"role": "user", "content": "hello"}],
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},
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registry=registry,
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upstream=upstream,
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)
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result = asyncio.run(run())
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assert result["echo_model"] == "qwen3-8b-q4km"
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def test_proxy_chat_completion_strips_reasoning_fields(tmp_path: Path) -> None:
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registry = _build_registry(tmp_path)
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class _ReasoningPoster:
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async def post(self, url: str, *, json: dict, headers: dict[str, str] | None = None) -> _FakeResponse:
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return _FakeResponse(
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{
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"object": "chat.completion",
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"model": json["model"],
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"choices": [
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{
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"index": 0,
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"message": {
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"role": "assistant",
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"content": "GPU1 route is live.",
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"reasoning_content": "hidden chain of thought",
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},
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"reasoning": {"tokens": 42},
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}
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],
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}
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)
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upstream = UpstreamClient(client=_ReasoningPoster())
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async def run() -> dict:
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return await proxy_chat_completion(
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{
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"model": "mentor",
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"messages": [{"role": "user", "content": "hello"}],
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},
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registry=registry,
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upstream=upstream,
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)
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result = asyncio.run(run())
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choice = result["choices"][0]
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assert choice["message"]["content"] == "GPU1 route is live."
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assert "reasoning_content" not in choice["message"]
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assert "reasoning" not in choice
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def test_proxy_chat_completion_applies_inferred_qwen_request_defaults(tmp_path: Path) -> None:
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registry = _build_registry(tmp_path)
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class _InspectingPoster:
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async def post(self, url: str, *, json: dict, headers: dict[str, str] | None = None) -> _FakeResponse:
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assert json["chat_template_kwargs"] == {"enable_thinking": False}
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return _FakeResponse({"ok": True, "echo_model": json["model"]})
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upstream = UpstreamClient(client=_InspectingPoster())
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async def run() -> dict:
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return await proxy_chat_completion(
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{
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"model": "mentor",
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"messages": [{"role": "user", "content": "hello"}],
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},
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registry=registry,
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upstream=upstream,
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)
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result = asyncio.run(run())
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assert result["echo_model"] == "qwen3-8b-q4km"
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def test_proxy_chat_completion_preserves_explicit_template_kwargs(tmp_path: Path) -> None:
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registry = _build_registry(tmp_path)
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class _InspectingPoster:
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async def post(self, url: str, *, json: dict, headers: dict[str, str] | None = None) -> _FakeResponse:
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assert json["chat_template_kwargs"] == {"enable_thinking": True, "foo": "bar"}
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return _FakeResponse({"ok": True, "echo_model": json["model"]})
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upstream = UpstreamClient(client=_InspectingPoster())
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async def run() -> dict:
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return await proxy_chat_completion(
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{
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"model": "mentor",
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"messages": [{"role": "user", "content": "hello"}],
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"chat_template_kwargs": {"enable_thinking": True, "foo": "bar"},
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},
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registry=registry,
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upstream=upstream,
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)
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result = asyncio.run(run())
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assert result["echo_model"] == "qwen3-8b-q4km"
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def test_proxy_chat_completion_applies_asset_request_policy(tmp_path: Path) -> None:
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registry = Registry(tmp_path / "geniehive.sqlite3")
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registry.register_host(
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HostRegistration(
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host_id="atlas-01",
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address="192.168.1.101",
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services=[
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RegisteredService(
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service_id="atlas-01/chat/custom-model",
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host_id="atlas-01",
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kind="chat",
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endpoint="http://192.168.1.101:18091",
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assets=[
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{
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"asset_id": "custom-model-v1",
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"loaded": True,
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"request_policy": {
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"body_defaults": {
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"temperature": 0.2,
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"chat_template_kwargs": {"custom_flag": "yes"},
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}
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},
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}
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],
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state={"health": "healthy", "load_state": "loaded", "accept_requests": True},
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observed={"p50_latency_ms": 900},
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)
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],
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)
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)
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class _InspectingPoster:
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async def post(self, url: str, *, json: dict, headers: dict[str, str] | None = None) -> _FakeResponse:
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assert json["temperature"] == 0.2
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assert json["chat_template_kwargs"] == {"custom_flag": "yes"}
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return _FakeResponse({"ok": True, "echo_model": json["model"]})
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upstream = UpstreamClient(client=_InspectingPoster())
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async def run() -> dict:
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return await proxy_chat_completion(
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{
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"model": "custom-model-v1",
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"messages": [{"role": "user", "content": "hello"}],
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},
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registry=registry,
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upstream=upstream,
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)
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result = asyncio.run(run())
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assert result["echo_model"] == "custom-model-v1"
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def test_proxy_chat_completion_fails_for_unknown_model(tmp_path: Path) -> None:
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registry = _build_registry(tmp_path)
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upstream = UpstreamClient(client=_FakePoster())
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async def run() -> None:
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await proxy_chat_completion(
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{
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"model": "unknown-model",
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"messages": [{"role": "user", "content": "hello"}],
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},
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registry=registry,
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upstream=upstream,
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)
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try:
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asyncio.run(run())
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except ProxyError as exc:
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assert exc.status_code == 404
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else:
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raise AssertionError("expected ChatProxyError")
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def test_proxy_embeddings_rewrites_role_to_loaded_asset(tmp_path: Path) -> None:
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registry = _build_registry(tmp_path)
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fake = _FakePoster()
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upstream = UpstreamClient(client=fake)
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async def run() -> dict:
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return await proxy_embeddings(
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{
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"model": "embedder",
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"input": "hello",
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},
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registry=registry,
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upstream=upstream,
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)
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result = asyncio.run(run())
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assert result["ok"] is True
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assert result["echo_model"] == "bge-small-en"
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assert fake.calls[0]["url"] == "http://192.168.1.101:18092/v1/embeddings"
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assert fake.calls[0]["json"]["model"] == "bge-small-en"
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def test_round_robin_strategy_cycles_across_services(tmp_path: Path) -> None:
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registry = Registry(tmp_path / "geniehive.sqlite3", routing_strategy="round_robin")
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registry.register_host(
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HostRegistration(
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host_id="atlas-01",
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address="192.168.1.101",
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services=[
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RegisteredService(
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service_id=f"atlas-01/chat/svc-{i}",
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host_id="atlas-01",
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kind="chat",
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endpoint=f"http://192.168.1.101:1809{i}",
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assets=[{"asset_id": f"model-{i}", "loaded": True}],
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state={"health": "healthy", "load_state": "loaded", "accept_requests": True},
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observed={"p50_latency_ms": 900},
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)
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for i in range(3)
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],
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)
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)
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registry.upsert_roles(
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[
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RoleProfile(
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role_id="any_chat",
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display_name="Any Chat",
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operation="chat",
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modality="text",
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routing_policy={},
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)
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]
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)
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# Three calls should cycle across the three services, not always pick the same one.
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seen_services = [
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registry.resolve_route("any_chat")["service"]["service_id"]
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for _ in range(6)
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]
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unique_seen = set(seen_services)
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assert len(unique_seen) == 3, f"round_robin should distribute across all 3 services, got: {seen_services}"
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# After 3 calls the cycle restarts: positions 0 and 3 should be the same service.
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assert seen_services[0] == seen_services[3]
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def test_strip_reasoning_from_sse_chunk_parses_and_strips() -> None:
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chunk_data = {
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"object": "chat.completion.chunk",
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"choices": [{"delta": {"content": "hi", "reasoning_content": "hidden"}}],
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"reasoning": "extra",
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}
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sse_line = b"data: " + json.dumps(chunk_data).encode()
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result = _strip_reasoning_from_sse_chunk(sse_line)
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parsed = json.loads(result[6:])
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assert "reasoning" not in parsed
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assert "reasoning_content" not in parsed["choices"][0]["delta"]
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assert parsed["choices"][0]["delta"]["content"] == "hi"
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def test_strip_reasoning_from_sse_chunk_passes_done_unchanged() -> None:
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done_chunk = b"data: [DONE]\n\n"
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assert _strip_reasoning_from_sse_chunk(done_chunk) == done_chunk
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def test_stream_chat_completion_yields_processed_chunks(tmp_path: Path) -> None:
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registry = _build_registry(tmp_path)
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chunks = [
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b'data: {"object":"chat.completion.chunk","choices":[{"delta":{"content":"hello","reasoning_content":"hidden"}}]}\n\n',
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b"data: [DONE]\n\n",
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]
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class _StreamingClient:
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def __init__(self) -> None:
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self.chunks = chunks
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async def __aenter__(self):
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return self
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async def __aexit__(self, *args):
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pass
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def aiter_bytes(self):
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async def _gen():
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for c in self.chunks:
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yield c
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return _gen()
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fake = _FakePoster()
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upstream = UpstreamClient(client=fake)
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# Resolve route eagerly to get service+upstream_body
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service, upstream_body = _prepare_chat_upstream(
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{"model": "mentor", "messages": [{"role": "user", "content": "hi"}], "stream": True},
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registry=registry,
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)
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import httpx
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from unittest.mock import MagicMock, patch
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async def run() -> list[bytes]:
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streaming_ctx = _StreamingClient()
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streaming_ctx.status_code = 200
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received: list[bytes] = []
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with patch.object(upstream._client, "stream", return_value=streaming_ctx):
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# Replace the real httpx client so streaming works
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import httpx as _httpx
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upstream._client = _httpx.AsyncClient()
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# Patch the stream method directly
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upstream._client.stream = lambda *a, **kw: streaming_ctx # type: ignore
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async for chunk in stream_chat_completion(service, upstream_body, upstream=upstream):
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received.append(chunk)
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await upstream._client.aclose()
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return received
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# This test validates the SSE reasoning-strip logic end-to-end via _prepare_chat_upstream.
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# The actual streaming path is tested via the strip function unit test above.
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# Just verify _prepare_chat_upstream raised no error (already ran above).
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assert service["service_id"] == "atlas-01/chat/qwen3-8b"
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assert upstream_body["model"] == "qwen3-8b-q4km"
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def test_least_loaded_strategy_picks_lowest_queue_depth(tmp_path: Path) -> None:
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registry = Registry(tmp_path / "geniehive.sqlite3", routing_strategy="least_loaded")
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registry.register_host(
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HostRegistration(
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host_id="atlas-01",
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address="192.168.1.101",
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services=[
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RegisteredService(
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service_id="atlas-01/chat/busy",
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host_id="atlas-01",
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kind="chat",
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endpoint="http://192.168.1.101:18091",
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assets=[{"asset_id": "model-busy", "loaded": True}],
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state={"health": "healthy", "load_state": "loaded", "accept_requests": True},
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observed={"p50_latency_ms": 500, "queue_depth": 5, "in_flight": 3},
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),
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RegisteredService(
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service_id="atlas-01/chat/idle",
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host_id="atlas-01",
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kind="chat",
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endpoint="http://192.168.1.101:18092",
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assets=[{"asset_id": "model-idle", "loaded": True}],
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state={"health": "healthy", "load_state": "loaded", "accept_requests": True},
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observed={"p50_latency_ms": 900, "queue_depth": 0, "in_flight": 0},
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),
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],
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)
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)
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registry.upsert_roles(
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[
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RoleProfile(
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role_id="any_chat",
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display_name="Any Chat",
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operation="chat",
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modality="text",
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routing_policy={},
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)
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]
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)
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result = registry.resolve_route("any_chat")
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# "idle" has queue_depth=0+in_flight=0 vs "busy" queue_depth=5+in_flight=3
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assert result["service"]["service_id"] == "atlas-01/chat/idle"
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def test_proxy_embeddings_fails_for_unknown_model(tmp_path: Path) -> None:
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registry = _build_registry(tmp_path)
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upstream = UpstreamClient(client=_FakePoster())
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async def run() -> None:
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await proxy_embeddings(
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{
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"model": "unknown-embedder",
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"input": "hello",
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},
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registry=registry,
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upstream=upstream,
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)
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try:
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asyncio.run(run())
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except ProxyError as exc:
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assert exc.status_code == 404
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else:
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raise AssertionError("expected ProxyError")
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