MCP (almost, basically) end to end

tests/wf_mcp/test_mcp_workflow_surface_example.py

@@ -0,0 +1,37 @@
+from __future__ import annotations
+
+import asyncio
+
+from examples.mcp_workflow_surface import (
+    build_echo_draft,
+    create_and_run_echo_deployment,
+    prepare_demo_service,
+)
+
+
+def test_mcp_workflow_surface_example_discovers_ok_and_error_outcomes(
+    tmp_path,
+) -> None:
+    service = asyncio.run(prepare_demo_service(tmp_path))
+
+    source = service.inspect_source("demo.personal")
+    node_spec = source["capabilities"]["node_spec_details"][0]
+
+    assert node_spec["name"] == "demo.personal.echo_tool"
+    assert node_spec["outcomes"] == ["ok", "error"]
+
+
+def test_mcp_workflow_surface_example_wires_naive_error_outcome() -> None:
+    draft = build_echo_draft()
+
+    assert draft["routes"]["echo"]["ok"] == "__end__"
+    assert draft["routes"]["echo"]["error"] == "tool_error"
+    assert draft["steps"]["tool_error"]["use"] == "wf.std.runtime_error"
+
+
+def test_mcp_workflow_surface_example_runs_happy_path(tmp_path) -> None:
+    payload = asyncio.run(create_and_run_echo_deployment(tmp_path, text="hello"))
+
+    assert payload["status"] == "completed"
+    assert payload["output"]["echoed"] == "hello"
+    assert payload["diagnostics"] == []