Files
Cerbero-mcp/tests/unit/common/test_mcp_bridge.py
T
AdrianoDev 993326136b test(V2): migrazione test common/
Copiati e aggiornati i test da services/common/tests/ a tests/unit/common/.
Import aggiornati da mcp_common a cerbero_mcp.common. Eliminati test di
funzionalità V1-only (app_factory, environment, auth/Principal, server_base).
Refactored test_audit.py (principal→actor str) e test_mcp_bridge.py
(TokenStore→valid_tokens set). 71/71 test passano.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-30 18:16:26 +02:00

113 lines
3.2 KiB
Python

from __future__ import annotations
from fastapi import FastAPI
from fastapi.testclient import TestClient
from cerbero_mcp.common.mcp_bridge import _derive_input_schemas, mount_mcp_endpoint
from pydantic import BaseModel
VALID_TOKEN = "t"
VALID_TOKENS: set[str] = {VALID_TOKEN}
class EchoBody(BaseModel):
msg: str
n: int = 1
def _make_app() -> FastAPI:
app = FastAPI()
@app.post("/tools/echo")
def echo(body: EchoBody):
return {"echo": body.msg, "n": body.n}
@app.post("/tools/ping")
def ping():
return {"pong": True}
return app
def test_derive_input_schemas_resolves_lazy_annotations():
app = _make_app()
schemas = _derive_input_schemas(app, ["echo", "ping"])
assert "echo" in schemas
echo_schema = schemas["echo"]
assert echo_schema["type"] == "object"
assert "msg" in echo_schema["properties"]
assert "n" in echo_schema["properties"]
assert "msg" in echo_schema["required"]
# ping has no Pydantic body → not in map (fallback applied by caller)
assert "ping" not in schemas
def test_mount_mcp_endpoint_exposes_derived_schemas():
app = _make_app()
mount_mcp_endpoint(
app,
name="test",
version="1.0",
valid_tokens=VALID_TOKENS,
internal_base_url="http://localhost:0",
tools=[
{"name": "echo", "description": "Echo a message."},
{"name": "ping", "description": "Ping."},
],
)
c = TestClient(app)
r = c.post(
"/mcp",
headers={"Authorization": f"Bearer {VALID_TOKEN}"},
json={"jsonrpc": "2.0", "id": 1, "method": "tools/list"},
)
assert r.status_code == 200
tools = r.json()["result"]["tools"]
by_name = {t["name"]: t for t in tools}
assert set(by_name["echo"]["inputSchema"]["required"]) == {"msg"}
# ping fallback su schema generico
assert by_name["ping"]["inputSchema"] == {
"type": "object",
"additionalProperties": True,
}
def test_mount_mcp_endpoint_requires_auth():
app = _make_app()
mount_mcp_endpoint(
app,
name="test",
version="1.0",
valid_tokens=VALID_TOKENS,
internal_base_url="http://localhost:0",
tools=[{"name": "echo"}],
)
c = TestClient(app)
r = c.post("/mcp", json={"jsonrpc": "2.0", "id": 1, "method": "tools/list"})
assert r.status_code == 401
r = c.post(
"/mcp",
headers={"Authorization": "Bearer WRONG"},
json={"jsonrpc": "2.0", "id": 1, "method": "tools/list"},
)
assert r.status_code == 403
def test_explicit_input_schema_overrides_derived():
app = _make_app()
custom = {"type": "object", "properties": {"custom": {"type": "string"}}, "required": ["custom"]}
mount_mcp_endpoint(
app,
name="test",
version="1.0",
valid_tokens=VALID_TOKENS,
internal_base_url="http://localhost:0",
tools=[{"name": "echo", "input_schema": custom}],
)
c = TestClient(app)
r = c.post(
"/mcp",
headers={"Authorization": f"Bearer {VALID_TOKEN}"},
json={"jsonrpc": "2.0", "id": 1, "method": "tools/list"},
)
assert r.json()["result"]["tools"][0]["inputSchema"] == custom