import json
import pytest
from amazon_ads_mcp.server import sidecar_loader
def test_resolve_tool_name_with_method_path():
tools = {"GET_v2_items": object()}
name = sidecar_loader.resolve_tool_name(
{"method": "get", "path": "/v2/items"},
{"tools": []},
tools,
)
assert name == "GET_v2_items"
def test_resolve_tool_name_with_preferred_name():
tools = {"custom_name": object()}
manifest = {"tools": [{"operationId": "listItems", "preferred_name": "custom_name"}]}
name = sidecar_loader.resolve_tool_name(
{"operationId": "listItems"},
manifest,
tools,
)
assert name == "custom_name"
def test_resolve_tool_name_with_prefix_match():
tools = {"sp_listItems": object()}
manifest = {"tools": [{"operationId": "listItems"}]}
name = sidecar_loader.resolve_tool_name(
{"operationId": "listItems"},
manifest,
tools,
)
assert name == "sp_listItems"
@pytest.mark.asyncio
async def test_apply_sidecars_no_files(tmp_path):
spec_path = tmp_path / "Spec.json"
spec_path.write_text("{}")
server = object()
await sidecar_loader.apply_sidecars(server, spec_path)
@pytest.mark.asyncio
async def test_apply_sidecars_attaches_transforms(tmp_path):
spec_path = tmp_path / "Spec.json"
spec_path.write_text("{}")
manifest_path = spec_path.with_suffix(".manifest.json")
transform_path = spec_path.with_suffix(".transform.json")
manifest_path.write_text(
json.dumps(
{
"namespace": "Spec",
"tools": [
{"operationId": "listItems", "preferred_name": "list_items"}
],
}
)
)
transform_path.write_text(
json.dumps(
{
"version": "1.0",
"tools": [
{
"match": {"operationId": "listItems"},
"output_transform": {"projection": ["items"]},
"args": {"expose": {"foo": True}},
}
],
}
)
)
calls = []
class FakeServer:
def get_tools(self):
return {"list_items": object()}
def transform_tool(self, name, **kwargs):
calls.append({"name": name, "kwargs": kwargs})
await sidecar_loader.apply_sidecars(FakeServer(), spec_path)
assert calls
assert calls[0]["name"] == "list_items"
assert "output_transform" in calls[0]["kwargs"]
assert calls[0]["kwargs"]["arg_schema"] == {"foo": True}
