import pathlib
import sys
import types
def _walk(node):
stack = [node]
while stack:
cur = stack.pop()
yield cur
if isinstance(cur, dict):
stack.extend(cur.values())
elif isinstance(cur, list):
stack.extend(cur)
def test_openapi_spec_is_normalized():
"""Ensure our bundled OpenAPI spec is parseable by FastMCP.
The upstream SiteBay spec uses OpenAPI 3.1 nullable constructs (e.g. type:
null and anyOf with {"type": "null"}). FastMCP's OpenAPI parser is stricter,
so sitebay_mcp.server._load_spec() normalizes these away.
"""
sys.path.append(str(pathlib.Path(__file__).resolve().parents[2] / "src"))
# Stub out httpx/fastmcp so importing server doesn't spin up a real client.
httpx_stub = types.ModuleType("httpx")
class _AsyncClient:
def __init__(self, *args, **kwargs):
pass
httpx_stub.AsyncClient = _AsyncClient
sys.modules.setdefault("httpx", httpx_stub)
fastmcp_stub = types.ModuleType("fastmcp")
fastmcp_stub.settings = types.SimpleNamespace(streamable_http_path="/mcp")
sys.modules.setdefault("fastmcp", fastmcp_stub)
openapi_stub = types.ModuleType("fastmcp.server.openapi")
class _FastMCPOpenAPI:
def __init__(self, *args, **kwargs):
pass
openapi_stub.FastMCPOpenAPI = _FastMCPOpenAPI
sys.modules.setdefault("fastmcp.server.openapi", openapi_stub)
from sitebay_mcp.server import _load_spec
spec = _load_spec()
assert spec["openapi"] == "3.0.3"
# No raw JSON Schema null types should remain.
for node in _walk(spec):
if isinstance(node, dict):
assert node.get("type") != "null"
for k in ("anyOf", "oneOf"):
v = node.get(k)
if isinstance(v, list):
assert not any(
isinstance(x, dict) and x.get("type") == "null" for x in v
)
