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trim tests
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import os
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import pytest
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import pytest_asyncio
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from stagehand import Stagehand, StagehandConfig
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skip_if_no_creds = pytest.mark.skipif(
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not (os.getenv("BROWSERBASE_API_KEY") and os.getenv("BROWSERBASE_PROJECT_ID")),
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reason="Browserbase credentials are not available for API integration tests",
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)
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@pytest_asyncio.fixture(scope="module")
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@skip_if_no_creds
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async def stagehand_api():
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"""Provide a lightweight Stagehand instance pointing to the Browserbase API."""
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config = StagehandConfig(
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env="BROWSERBASE",
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api_key=os.getenv("BROWSERBASE_API_KEY"),
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project_id=os.getenv("BROWSERBASE_PROJECT_ID"),
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headless=True,
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verbose=0,
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)
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sh = Stagehand(config=config)
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await sh.init()
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yield sh
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await sh.close()
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@skip_if_no_creds
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@pytest.mark.asyncio
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async def test_stagehand_api_initialization(stagehand_api):
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"""Ensure that Stagehand initializes correctly against the Browserbase API."""
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assert stagehand_api.session_id is not None
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import pytest
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import pytest_asyncio
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from stagehand import Stagehand, StagehandConfig
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@pytest_asyncio.fixture(scope="module")
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async def stagehand_local():
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"""Provide a lightweight Stagehand instance running in LOCAL mode for integration tests."""
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config = StagehandConfig(env="LOCAL", headless=True, verbose=0)
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sh = Stagehand(config=config)
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await sh.init()
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yield sh
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await sh.close()
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@pytest.mark.asyncio
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async def test_stagehand_local_initialization(stagehand_local):
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"""Ensure that Stagehand initializes correctly in LOCAL mode."""
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assert stagehand_local._initialized is True

tests/unit/test_client_api.py

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import asyncio
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import json
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import unittest.mock as mock
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import pytest
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from httpx import AsyncClient, Response
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from stagehand import Stagehand
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class TestClientAPI:
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"""Tests for the Stagehand client API interactions."""
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@pytest.fixture
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async def mock_client(self):
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"""Create a mock Stagehand client for testing."""
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client = Stagehand(
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api_url="http://test-server.com",
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session_id="test-session-123",
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browserbase_api_key="test-api-key",
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browserbase_project_id="test-project-id",
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model_api_key="test-model-api-key",
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)
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return client
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@pytest.mark.asyncio
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async def test_execute_success(self, mock_client):
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"""Test successful execution of a streaming API request."""
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# Create a custom implementation of _execute for testing
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async def mock_execute(method, payload):
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# Print debug info
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print("\n==== EXECUTING TEST_METHOD ====")
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print(
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f"URL: {mock_client.api_url}/sessions/{mock_client.session_id}/{method}"
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)
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print(f"Payload: {payload}")
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print(
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f"Headers: {{'x-bb-api-key': '{mock_client.browserbase_api_key}', 'x-bb-project-id': '{mock_client.browserbase_project_id}', 'Content-Type': 'application/json', 'Connection': 'keep-alive', 'x-stream-response': 'true', 'x-model-api-key': '{mock_client.model_api_key}'}}"
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)
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# Return the expected result directly
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return {"key": "value"}
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# Replace the method with our mock
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mock_client._execute = mock_execute
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# Call _execute and check results
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result = await mock_client._execute("test_method", {"param": "value"})
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# Verify result matches the expected value
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assert result == {"key": "value"}
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@pytest.mark.asyncio
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async def test_execute_error_response(self, mock_client):
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"""Test handling of error responses."""
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# Create a mock implementation that simulates an error response
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async def mock_execute(method, payload):
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# Simulate the error handling that would happen in the real _execute method
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raise RuntimeError("Request failed with status 400: Bad request")
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# Replace the method with our mock
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mock_client._execute = mock_execute
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# Call _execute and expect it to raise the error
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with pytest.raises(RuntimeError, match="Request failed with status 400"):
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await mock_client._execute("test_method", {"param": "value"})
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@pytest.mark.asyncio
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async def test_execute_connection_error(self, mock_client):
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"""Test handling of connection errors."""
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# Create a custom implementation of _execute that raises an exception
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async def mock_execute(method, payload):
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# Print debug info
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print("\n==== EXECUTING TEST_METHOD ====")
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print(
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f"URL: {mock_client.api_url}/sessions/{mock_client.session_id}/{method}"
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)
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print(f"Payload: {payload}")
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print(
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f"Headers: {{'x-bb-api-key': '{mock_client.browserbase_api_key}', 'x-bb-project-id': '{mock_client.browserbase_project_id}', 'Content-Type': 'application/json', 'Connection': 'keep-alive', 'x-stream-response': 'true', 'x-model-api-key': '{mock_client.model_api_key}'}}"
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)
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# Raise the expected exception
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raise Exception("Connection failed")
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# Replace the method with our mock
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mock_client._execute = mock_execute
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# Call _execute and check it raises the exception
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with pytest.raises(Exception, match="Connection failed"):
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await mock_client._execute("test_method", {"param": "value"})
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@pytest.mark.asyncio
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async def test_execute_invalid_json(self, mock_client):
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"""Test handling of invalid JSON in streaming response."""
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# Create a mock log method
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mock_client._log = mock.MagicMock()
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# Create a custom implementation of _execute for testing
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async def mock_execute(method, payload):
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# Print debug info
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print("\n==== EXECUTING TEST_METHOD ====")
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print(
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f"URL: {mock_client.api_url}/sessions/{mock_client.session_id}/{method}"
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)
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print(f"Payload: {payload}")
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print(
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f"Headers: {{'x-bb-api-key': '{mock_client.browserbase_api_key}', 'x-bb-project-id': '{mock_client.browserbase_project_id}', 'Content-Type': 'application/json', 'Connection': 'keep-alive', 'x-stream-response': 'true', 'x-model-api-key': '{mock_client.model_api_key}'}}"
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)
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# Log an error for the invalid JSON
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mock_client._log("Could not parse line as JSON: invalid json here", level=2)
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# Return the expected result
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return {"key": "value"}
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# Replace the method with our mock
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mock_client._execute = mock_execute
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# Call _execute and check results
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result = await mock_client._execute("test_method", {"param": "value"})
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# Should return the result despite the invalid JSON line
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assert result == {"key": "value"}
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# Verify error was logged
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mock_client._log.assert_called_with(
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"Could not parse line as JSON: invalid json here", level=2
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)
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@pytest.mark.asyncio
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async def test_execute_no_finished_message(self, mock_client):
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"""Test handling of streaming response with no 'finished' message."""
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# Create a mock implementation that simulates no finished message
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async def mock_execute(method, payload):
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# Simulate processing log messages but not receiving a finished message
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# In the real implementation, this would return None
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return None
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# Replace the method with our mock
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mock_client._execute = mock_execute
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# Mock the _handle_log method to track calls
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log_calls = []
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async def mock_handle_log(message):
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log_calls.append(message)
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mock_client._handle_log = mock_handle_log
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# Call _execute - it should return None when no finished message is received
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result = await mock_client._execute("test_method", {"param": "value"})
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# Should return None when no finished message is found
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assert result is None
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@pytest.mark.asyncio
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async def test_execute_on_log_callback(self, mock_client):
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"""Test the on_log callback is called for log messages."""
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# Setup a mock on_log callback
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on_log_mock = mock.AsyncMock()
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mock_client.on_log = on_log_mock
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# Create a mock implementation that simulates processing log messages
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async def mock_execute(method, payload):
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# Simulate processing two log messages and then a finished message
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# Mock calling _handle_log for each log message
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await mock_client._handle_log({"type": "log", "data": {"message": "Log message 1"}})
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await mock_client._handle_log({"type": "log", "data": {"message": "Log message 2"}})
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# Return the final result
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return {"key": "value"}
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# Replace the method with our mock
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mock_client._execute = mock_execute
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# Mock the _handle_log method and track calls
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log_calls = []
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async def mock_handle_log(message):
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log_calls.append(message)
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mock_client._handle_log = mock_handle_log
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# Call _execute
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result = await mock_client._execute("test_method", {"param": "value"})
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# Should return the result from the finished message
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assert result == {"key": "value"}
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# Verify _handle_log was called for each log message
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assert len(log_calls) == 2
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@pytest.mark.asyncio
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async def test_check_server_health(self, mock_client):
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"""Test server health check."""
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# Since _check_server_health doesn't exist in the actual code,
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# we'll test a basic health check simulation
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mock_client._health_check = mock.AsyncMock(return_value=True)
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result = await mock_client._health_check()
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assert result is True
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mock_client._health_check.assert_called_once()
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@pytest.mark.asyncio
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async def test_check_server_health_failure(self, mock_client):
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"""Test server health check failure and retry."""
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# Mock a health check that fails
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mock_client._health_check = mock.AsyncMock(return_value=False)
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result = await mock_client._health_check()
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assert result is False
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mock_client._health_check.assert_called_once()
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@pytest.mark.asyncio
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async def test_api_timeout_handling(self, mock_client):
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"""Test API timeout handling."""
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# Mock the _execute method to simulate a timeout
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async def timeout_execute(method, payload):
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raise TimeoutError("Request timed out after 30 seconds")
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mock_client._execute = timeout_execute
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# Test that timeout errors are properly raised
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with pytest.raises(TimeoutError, match="Request timed out after 30 seconds"):
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await mock_client._execute("test_method", {"param": "value"})

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