import sys
import pathlib
import importlib.util
import types
ROOT = pathlib.Path(__file__).resolve().parents[1]
SRC = ROOT / "UnityMcpBridge" / "UnityMcpServer~" / "src"
sys.path.insert(0, str(SRC))
# stub mcp.server.fastmcp
mcp_pkg = types.ModuleType("mcp")
server_pkg = types.ModuleType("mcp.server")
fastmcp_pkg = types.ModuleType("mcp.server.fastmcp")
class _Dummy:
pass
fastmcp_pkg.FastMCP = _Dummy
fastmcp_pkg.Context = _Dummy
server_pkg.fastmcp = fastmcp_pkg
mcp_pkg.server = server_pkg
sys.modules.setdefault("mcp", mcp_pkg)
sys.modules.setdefault("mcp.server", server_pkg)
sys.modules.setdefault("mcp.server.fastmcp", fastmcp_pkg)
def _load(path: pathlib.Path, name: str):
spec = importlib.util.spec_from_file_location(name, path)
mod = importlib.util.module_from_spec(spec)
spec.loader.exec_module(mod)
return mod
manage_script = _load(SRC / "tools" / "manage_script.py", "manage_script_mod2")
manage_script_edits = _load(
SRC / "tools" / "manage_script_edits.py", "manage_script_edits_mod2")
class DummyMCP:
def __init__(self): self.tools = {}
def tool(self, *args, **kwargs):
def deco(fn): self.tools[fn.__name__] = fn; return fn
return deco
def setup_tools():
mcp = DummyMCP()
manage_script.register_manage_script_tools(mcp)
return mcp.tools
def test_normalizes_lsp_and_index_ranges(monkeypatch):
tools = setup_tools()
apply = tools["apply_text_edits"]
calls = []
def fake_send(cmd, params):
calls.append(params)
return {"success": True}
monkeypatch.setattr(manage_script, "send_command_with_retry", fake_send)
# LSP-style
edits = [{
"range": {"start": {"line": 10, "character": 2}, "end": {"line": 10, "character": 2}},
"newText": "// lsp\n"
}]
apply(None, uri="unity://path/Assets/Scripts/F.cs",
edits=edits, precondition_sha256="x")
p = calls[-1]
e = p["edits"][0]
assert e["startLine"] == 11 and e["startCol"] == 3
# Index pair
calls.clear()
edits = [{"range": [0, 0], "text": "// idx\n"}]
# fake read to provide contents length
def fake_read(cmd, params):
if params.get("action") == "read":
return {"success": True, "data": {"contents": "hello\n"}}
return {"success": True}
monkeypatch.setattr(manage_script, "send_command_with_retry", fake_read)
apply(None, uri="unity://path/Assets/Scripts/F.cs",
edits=edits, precondition_sha256="x")
# last call is apply_text_edits
def test_noop_evidence_shape(monkeypatch):
tools = setup_tools()
apply = tools["apply_text_edits"]
# Route response from Unity indicating no-op
def fake_send(cmd, params):
return {"success": True, "data": {"no_op": True, "evidence": {"reason": "identical_content"}}}
monkeypatch.setattr(manage_script, "send_command_with_retry", fake_send)
resp = apply(None, uri="unity://path/Assets/Scripts/F.cs", edits=[
{"startLine": 1, "startCol": 1, "endLine": 1, "endCol": 1, "newText": ""}], precondition_sha256="x")
assert resp["success"] is True
assert resp.get("data", {}).get("no_op") is True
def test_atomic_multi_span_and_relaxed(monkeypatch):
tools_text = setup_tools()
apply_text = tools_text["apply_text_edits"]
tools_struct = DummyMCP()
manage_script_edits.register_manage_script_edits_tools(tools_struct)
# Fake send for read and write; verify atomic applyMode and validate=relaxed passes through
sent = {}
def fake_send(cmd, params):
if params.get("action") == "read":
return {"success": True, "data": {"contents": "public class C{\nvoid M(){ int x=2; }\n}\n"}}
sent.setdefault("calls", []).append(params)
return {"success": True}
monkeypatch.setattr(manage_script, "send_command_with_retry", fake_send)
edits = [
{"startLine": 2, "startCol": 14, "endLine": 2, "endCol": 15, "newText": "3"},
{"startLine": 3, "startCol": 2, "endLine": 3,
"endCol": 2, "newText": "// tail\n"}
]
resp = apply_text(None, uri="unity://path/Assets/Scripts/C.cs", edits=edits,
precondition_sha256="sha", options={"validate": "relaxed", "applyMode": "atomic"})
assert resp["success"] is True
# Last manage_script call should include options with applyMode atomic and validate relaxed
last = sent["calls"][-1]
assert last.get("options", {}).get("applyMode") == "atomic"
assert last.get("options", {}).get("validate") == "relaxed"
