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PiperOrigin-RevId: 748777998

tests/integration/utils/test_runner.py

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+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import importlib
+from typing import Optional
+
+from google.adk import Agent
+from google.adk import Runner
+from google.adk.artifacts import BaseArtifactService
+from google.adk.artifacts import InMemoryArtifactService
+from google.adk.events import Event
+from google.adk.sessions import BaseSessionService
+from google.adk.sessions import InMemorySessionService
+from google.adk.sessions import Session
+from google.genai import types
+
+
+class TestRunner:
+  """Agents runner for testing."""
+
+  app_name = "test_app"
+  user_id = "test_user"
+
+  def __init__(
+      self,
+      agent: Agent,
+      artifact_service: BaseArtifactService = InMemoryArtifactService(),
+      session_service: BaseSessionService = InMemorySessionService(),
+  ) -> None:
+    self.agent = agent
+    self.agent_client = Runner(
+        app_name=self.app_name,
+        agent=agent,
+        artifact_service=artifact_service,
+        session_service=session_service,
+    )
+    self.session_service = session_service
+    self.current_session_id = session_service.create_session(
+        app_name=self.app_name, user_id=self.user_id
+    ).id
+
+  def new_session(self, session_id: Optional[str] = None) -> None:
+    self.current_session_id = self.session_service.create_session(
+        app_name=self.app_name, user_id=self.user_id, session_id=session_id
+    ).id
+
+  def run(self, prompt: str) -> list[Event]:
+    current_session = self.session_service.get_session(
+        app_name=self.app_name,
+        user_id=self.user_id,
+        session_id=self.current_session_id,
+    )
+    assert current_session is not None
+
+    return list(
+        self.agent_client.run(
+            user_id=current_session.user_id,
+            session_id=current_session.id,
+            new_message=types.Content(
+                role="user",
+                parts=[types.Part.from_text(text=prompt)],
+            ),
+        )
+    )
+
+  def get_current_session(self) -> Optional[Session]:
+    return self.session_service.get_session(
+        app_name=self.app_name,
+        user_id=self.user_id,
+        session_id=self.current_session_id,
+    )
+
+  def get_events(self) -> list[Event]:
+    return self.get_current_session().events
+
+  @classmethod
+  def from_agent_name(cls, agent_name: str):
+    agent_module_path = f"tests.integration.fixture.{agent_name}"
+    agent_module = importlib.import_module(agent_module_path)
+    agent: Agent = agent_module.agent.root_agent
+    return cls(agent)
+
+  def get_current_agent_name(self) -> str:
+    return self.agent_client._find_agent_to_run(
+        self.get_current_session(), self.agent
+    ).name