Files
TJWaterServerBinary/tests/api/test_copilot_chat_endpoint.py
T

118 lines
3.4 KiB
Python

from fastapi import FastAPI
from fastapi.testclient import TestClient
from app.api.v1.endpoints import copilot as copilot_endpoint
class _FakeStreamResponse:
def __init__(self, status_code: int, lines: list[str] | None = None, body: bytes = b""):
self.status_code = status_code
self._lines = lines or []
self._body = body
async def __aenter__(self):
return self
async def __aexit__(self, exc_type, exc, tb):
return None
async def aread(self) -> bytes:
return self._body
async def aiter_lines(self):
for line in self._lines:
yield line
class _FakeAsyncClient:
response: _FakeStreamResponse
captured: dict
def __init__(self, *args, **kwargs):
self._kwargs = kwargs
async def __aenter__(self):
return self
async def __aexit__(self, exc_type, exc, tb):
return None
def stream(self, method: str, url: str, json: dict, headers: dict):
_FakeAsyncClient.captured = {
"method": method,
"url": url,
"json": json,
"headers": headers,
"client_kwargs": self._kwargs,
}
return _FakeAsyncClient.response
def _build_client(monkeypatch) -> TestClient:
app = FastAPI()
app.include_router(copilot_endpoint.router, prefix="/api/v1/copilot")
app.dependency_overrides[copilot_endpoint.get_current_keycloak_username] = (
lambda: "tester"
)
monkeypatch.setattr(copilot_endpoint.httpx, "AsyncClient", _FakeAsyncClient)
return TestClient(app)
def test_chat_stream_forwards_auth_and_payload(monkeypatch):
_FakeAsyncClient.response = _FakeStreamResponse(
status_code=200,
lines=[
'event: token',
'data: {"conversationId":"c1","content":"hello"}',
"",
'event: done',
'data: {"conversationId":"c1"}',
"",
],
)
client = _build_client(monkeypatch)
response = client.post(
"/api/v1/copilot/chat/stream",
json={"message": "hi", "conversation_id": "conv-1"},
headers={
"Authorization": "Bearer keycloak-token",
"X-Project-Id": "project-a",
},
)
assert response.status_code == 200
assert "text/event-stream" in response.headers["content-type"]
assert "event: token" in response.text
assert "event: done" in response.text
captured = _FakeAsyncClient.captured
assert captured["method"] == "POST"
assert captured["url"].endswith("/chat/stream")
assert captured["headers"]["authorization"] == "Bearer keycloak-token"
assert captured["headers"]["x-project-id"] == "project-a"
assert captured["json"] == {
"message": "hi",
"conversationId": "conv-1",
"userId": "tester",
}
def test_chat_stream_emits_error_event_when_upstream_fails(monkeypatch):
_FakeAsyncClient.response = _FakeStreamResponse(
status_code=401,
body=b"upstream unauthorized",
)
client = _build_client(monkeypatch)
response = client.post(
"/api/v1/copilot/chat/stream",
json={"message": "hi"},
headers={"Authorization": "Bearer keycloak-token"},
)
assert response.status_code == 200
assert "event: error" in response.text
assert "Copilot sidecar request failed" in response.text
assert '"status": 401' in response.text