Files
evotraders/tests/browser_agent_test.py
2025-11-05 11:44:19 +08:00

172 lines
5.1 KiB
Python

# -*- coding: utf-8 -*-
from typing import Dict
from unittest.mock import AsyncMock, MagicMock, patch
import pytest
from agentscope.message import Msg
from agentscope.tool import Toolkit
from agentscope.memory import MemoryBase
from agentscope.model import ChatModelBase
from agentscope.formatter import FormatterBase
from browser_use.agent_browser.browser_agent import BrowserAgent
@pytest.fixture
def mock_dependencies() -> Dict[str, MagicMock]:
return {
"model": MagicMock(spec=ChatModelBase),
"formatter": MagicMock(spec=FormatterBase),
"memory": MagicMock(spec=MemoryBase),
"toolkit": MagicMock(spec=Toolkit),
}
@pytest.fixture
def agent(
# pylint: disable=redefined-outer-name
mock_dependencies: Dict[str, MagicMock],
) -> BrowserAgent:
return BrowserAgent(
name="TestBot",
model=mock_dependencies["model"],
formatter=mock_dependencies["formatter"],
memory=mock_dependencies["memory"],
toolkit=mock_dependencies["toolkit"],
start_url="https://test.com",
)
# -----------------------------
# ✅ Hook registration verification (adapted for ReActAgentBase)
# -----------------------------
def test_hooks_registered(
agent: BrowserAgent, # pylint: disable=redefined-outer-name
) -> None:
"""Verify instance-level hooks are registered"""
# Disable pylint warning for protected member access
assert hasattr(
agent,
"_instance_pre_reply_hooks",
) # pylint: disable=protected-access
assert (
"browser_agent_default_url_pre_reply"
# pylint: disable=protected-access
in agent._instance_pre_reply_hooks
)
assert hasattr(
agent,
"_instance_pre_reasoning_hooks",
) # pylint: disable=protected-access
assert (
"browser_agent_observe_pre_reasoning"
# pylint: disable=protected-access
in agent._instance_pre_reasoning_hooks
)
# -----------------------------
# ✅ Navigation hook test (direct hook invocation)
# -----------------------------
@pytest.mark.asyncio
async def test_pre_reply_hook_navigation(
agent: BrowserAgent, # pylint: disable=redefined-outer-name
) -> None:
# pylint: disable=protected-access
agent._has_initial_navigated = False
# Get instance-level hook function
# pylint: disable=protected-access
hook_func = agent._instance_pre_reply_hooks[
"browser_agent_default_url_pre_reply"
]
await hook_func(agent) # Directly invoke hook function
# pylint: disable=protected-access
assert agent._has_initial_navigated is True
assert agent.toolkit.call_tool_function.called
# -----------------------------
# ✅ Snapshot hook test (fix content attribute access issue)
# -----------------------------
@pytest.mark.asyncio
async def test_observe_pre_reasoning(
agent: BrowserAgent, # pylint: disable=redefined-outer-name
) -> None:
# Mock tool response (fix: use Msg object with content attribute)
mock_response = AsyncMock()
mock_response.__aiter__.return_value = [
Msg("system", [{"text": "Snapshot content"}], "system"),
]
agent.toolkit.call_tool_function = AsyncMock(
return_value=mock_response,
)
# Replace memory add method
with patch.object(
agent.memory,
"add",
new_callable=AsyncMock,
) as mock_add:
# Get instance-level hook function
# pylint: disable=protected-access
hook_func = agent._instance_pre_reasoning_hooks[
"browser_agent_observe_pre_reasoning"
]
await hook_func(agent) # Directly invoke hook function
mock_add.assert_awaited_once()
added_msg = mock_add.call_args[0][0]
assert "Snapshot content" in added_msg.content[0]["text"]
# -----------------------------
# ✅ Text filtering test (improved regex)
# -----------------------------
def test_filter_execution_text(
agent: BrowserAgent, # pylint: disable=redefined-outer-name
) -> None:
text = """
### New console messages
Some console output
###
### Page state
YAML content here
```yaml
key: value
```
Regular text content
"""
# pylint: disable=protected-access
filtered = agent._filter_execution_text(text)
assert "console output" not in filtered
assert "key: value" not in filtered
assert "Regular text content" in filtered
assert "YAML content" in filtered
# -----------------------------
# ✅ Memory summarization test (already passing)
# -----------------------------
@pytest.mark.asyncio
async def test_memory_summarizing(
agent: BrowserAgent, # pylint: disable=redefined-outer-name
) -> None:
agent.memory.get_memory = AsyncMock(
return_value=[MagicMock(role="user", content="Original question")]
* 25,
)
agent.memory.size = AsyncMock(return_value=25)
agent.model = AsyncMock()
agent.model.return_value = MagicMock(
content=[MagicMock(text="Summary text")],
)
# pylint: disable=protected-access
await agent._memory_summarizing()
assert agent.memory.clear.called
assert agent.memory.add.call_count == 2 # Original question + summary