Add Memory Gateway agent plugin

plugins/memory-gateway-agent/tests/test_hermes_register_tools.py

@@ -0,0 +1,63 @@
+from __future__ import annotations
+
+import importlib.util
+import sys
+import types
+from pathlib import Path
+
+
+class FakeHermesContext:
+    def __init__(self) -> None:
+        self.registered_tools = []
+        self.registered_hooks = []
+
+    def register_tool(self, name, toolset, schema, handler, **kwargs):
+        self.registered_tools.append((name, toolset, schema, handler, kwargs))
+
+    def register_hook(self, hook_name, callback):
+        self.registered_hooks.append((hook_name, callback))
+
+
+def load_plugin_module():
+    plugin_dir = Path(__file__).resolve().parents[1]
+    if "hermes_plugins" not in sys.modules:
+        parent = types.ModuleType("hermes_plugins")
+        parent.__path__ = []
+        sys.modules["hermes_plugins"] = parent
+    spec = importlib.util.spec_from_file_location(
+        "hermes_plugins.memory_gateway_agent_test",
+        plugin_dir / "__init__.py",
+        submodule_search_locations=[str(plugin_dir)],
+    )
+    module = importlib.util.module_from_spec(spec)
+    module.__package__ = "hermes_plugins.memory_gateway_agent_test"
+    module.__path__ = [str(plugin_dir)]
+    sys.modules["hermes_plugins.memory_gateway_agent_test"] = module
+    assert spec.loader is not None
+    spec.loader.exec_module(module)
+    return module
+
+
+def test_register_registers_five_tools():
+    module = load_plugin_module()
+    ctx = FakeHermesContext()
+
+    module.register(ctx)
+
+    assert [item[0] for item in ctx.registered_tools] == [
+        "memory_search",
+        "memory_append_episode",
+        "memory_commit_session",
+        "memory_upsert",
+        "memory_feedback",
+    ]
+    assert all(item[1] == "memory_gateway" for item in ctx.registered_tools)
+
+
+def test_registered_handlers_are_callable():
+    module = load_plugin_module()
+    ctx = FakeHermesContext()
+
+    module.register(ctx)
+
+    assert all(callable(item[3]) for item in ctx.registered_tools)