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"""
Standalone Tests for Browser Tool
Coverage Target: 80%+
Priority: P1 (Browser Automation)
"""
import sys
import os
sys.path.insert(0, '.')
os.environ['ENVIRONMENT'] = 'development'
from tools.browser_tool import (
BrowserSession,
BrowserSessionManager,
get_browser_manager,
BROWSER_HEADLESS,
)
from unittest.mock import MagicMock, AsyncMock, patch
from datetime import datetime, timedelta
import asyncio
def test_browser_headless_config():
"""Test browser headless configuration"""
print("Testing browser headless config...")
# BROWSER_HEADLESS should be a boolean
assert isinstance(BROWSER_HEADLESS, bool)
print("✓ Browser headless config tests passed")
def test_browser_session_initialization():
"""Test BrowserSession initialization"""
print("Testing BrowserSession initialization...")
session = BrowserSession(
session_id="test-session-001",
user_id="user-001",
agent_id="agent-001",
headless=True,
browser_type="chromium"
)
assert session.session_id == "test-session-001"
assert session.user_id == "user-001"
assert session.agent_id == "agent-001"
assert session.headless is True
assert session.browser_type == "chromium"
assert session.playwright is None
assert session.browser is None
assert session.context is None
assert session.page is None
assert isinstance(session.created_at, datetime)
assert isinstance(session.last_used, datetime)
print("✓ BrowserSession initialization tests passed")
def test_browser_session_different_types():
"""Test BrowserSession with different browser types"""
print("Testing BrowserSession different types...")
# Firefox
session_ff = BrowserSession(
session_id="test-ff",
user_id="user-001",
browser_type="firefox"
)
assert session_ff.browser_type == "firefox"
# WebKit
session_wk = BrowserSession(
session_id="test-wk",
user_id="user-001",
browser_type="webkit"
)
assert session_wk.browser_type == "webkit"
# Chromium (default)
session_cr = BrowserSession(
session_id="test-cr",
user_id="user-001"
)
assert session_cr.browser_type == "chromium"
print("✓ BrowserSession different types tests passed")
def test_session_manager_initialization():
"""Test BrowserSessionManager initialization"""
print("Testing BrowserSessionManager initialization...")
manager = BrowserSessionManager(session_timeout_minutes=30)
assert manager.session_timeout_minutes == 30
assert hasattr(manager, 'sessions')
assert isinstance(manager.sessions, dict)
print("✓ BrowserSessionManager initialization tests passed")
def test_session_manager_custom_timeout():
"""Test BrowserSessionManager with custom timeout"""
print("Testing BrowserSessionManager custom timeout...")
manager = BrowserSessionManager(session_timeout_minutes=60)
assert manager.session_timeout_minutes == 60
manager2 = BrowserSessionManager(session_timeout_minutes=15)
assert manager2.session_timeout_minutes == 15
print("✓ BrowserSessionManager custom timeout tests passed")
def test_get_session_empty():
"""Test getting session from empty manager"""
print("Testing get session (empty)...")
manager = BrowserSessionManager()
session = manager.get_session("nonexistent")
assert session is None
print("✓ Get session (empty) tests passed")
def test_get_session_existing():
"""Test getting existing session"""
print("Testing get session (existing)...")
manager = BrowserSessionManager()
# Create a mock session
mock_session = MagicMock()
manager.sessions["test-session"] = mock_session
session = manager.get_session("test-session")
assert session == mock_session
print("✓ Get session (existing) tests passed")
async def test_create_session():
"""Test creating a new browser session"""
print("Testing create session...")
manager = BrowserSessionManager()
# Mock BrowserSession to avoid actual browser launch
with patch('tools.browser_tool.BrowserSession') as MockSession:
mock_session = AsyncMock()
mock_session.start = AsyncMock(return_value=True)
MockSession.return_value = mock_session
session = await manager.create_session(
user_id="user-001",
agent_id="agent-001",
headless=True
)
assert session is not None
# Session should be stored with its session_id as key
assert len(manager.sessions) == 1
mock_session.start.assert_called_once()
print("✓ Create session tests passed")
async def test_close_session():
"""Test closing a browser session"""
print("Testing close session...")
manager = BrowserSessionManager()
# Add a mock session
mock_session = AsyncMock()
mock_session.close = AsyncMock()
manager.sessions["test-session"] = mock_session
# Close the session
result = await manager.close_session("test-session")
assert result is True
assert "test-session" not in manager.sessions
mock_session.close.assert_called_once()
print("✓ Close session tests passed")
async def test_close_nonexistent_session():
"""Test closing nonexistent session"""
print("Testing close nonexistent session...")
manager = BrowserSessionManager()
result = await manager.close_session("nonexistent")
assert result is False
print("✓ Close nonexistent session tests passed")
async def test_cleanup_expired_sessions():
"""Test cleaning up expired sessions"""
print("Testing cleanup expired sessions...")
manager = BrowserSessionManager(session_timeout_minutes=30)
# Create mock sessions with different ages
now = datetime.now()
# Recent session (should not be cleaned)
recent_session = MagicMock()
recent_session.last_used = now - timedelta(minutes=10)
recent_session.close = AsyncMock()
manager.sessions["recent"] = recent_session
# Expired session (should be cleaned)
expired_session = MagicMock()
expired_session.last_used = now - timedelta(minutes=60)
expired_session.close = AsyncMock()
manager.sessions["expired"] = expired_session
# Run cleanup
await manager.cleanup_expired_sessions()
# Recent session should remain
assert "recent" in manager.sessions
# Expired session should be removed
assert "expired" not in manager.sessions
expired_session.close.assert_called_once()
print("✓ Cleanup expired sessions tests passed")
async def test_cleanup_no_expired_sessions():
"""Test cleanup when no sessions are expired"""
print("Testing cleanup (no expired)...")
manager = BrowserSessionManager(session_timeout_minutes=30)
# Create recent sessions
now = datetime.now()
for i in range(3):
session = MagicMock()
session.last_used = now - timedelta(minutes=5)
session.close = AsyncMock()
manager.sessions[f"session-{i}"] = session
# Run cleanup
await manager.cleanup_expired_sessions()
# All sessions should remain
assert len(manager.sessions) == 3
print("✓ Cleanup (no expired) tests passed")
def test_get_browser_manager_singleton():
"""Test get_browser_manager returns singleton"""
print("Testing get_browser_manager singleton...")
manager1 = get_browser_manager()
manager2 = get_browser_manager()
# Should return same instance
assert manager1 is manager2
print("✓ get_browser_manager singleton tests passed")
def test_browser_session_with_optional_agent():
"""Test BrowserSession without agent_id"""
print("Testing BrowserSession without agent_id...")
session = BrowserSession(
session_id="test-no-agent",
user_id="user-001"
)
assert session.agent_id is None
assert session.session_id == "test-no-agent"
print("✓ BrowserSession without agent_id tests passed")
async def test_create_session_without_agent():
"""Test creating session without agent_id"""
print("Testing create session without agent...")
manager = BrowserSessionManager()
with patch('tools.browser_tool.BrowserSession') as MockSession:
mock_session = AsyncMock()
mock_session.start = AsyncMock(return_value=True)
MockSession.return_value = mock_session
session = await manager.create_session(
user_id="user-001"
# No agent_id
)
assert session is not None
assert len(manager.sessions) == 1
print("✓ Create session without agent tests passed")
def test_session_manager_sessions_dict():
"""Test that sessions dict works correctly"""
print("Testing sessions dict...")
manager = BrowserSessionManager()
# Add multiple sessions
for i in range(5):
mock_session = MagicMock()
manager.sessions[f"session-{i}"] = mock_session
assert len(manager.sessions) == 5
assert f"session-3" in manager.sessions
assert f"session-99" not in manager.sessions
# Remove one
del manager.sessions["session-2"]
assert len(manager.sessions) == 4
print("✓ Sessions dict tests passed")
async def test_session_lifecycle():
"""Test complete session lifecycle"""
print("Testing session lifecycle...")
manager = BrowserSessionManager()
# Create with mocked uuid
with patch('tools.browser_tool.uuid.uuid4') as mock_uuid:
mock_uuid.return_value = "fixed-test-uuid"
mock_session = MagicMock()
mock_session.session_id = "fixed-test-uuid"
mock_session.start = AsyncMock(return_value=True)
mock_session.close = AsyncMock()
with patch('tools.browser_tool.BrowserSession', return_value=mock_session):
session = await manager.create_session(user_id="user-001")
assert session is not None
assert session.session_id == "fixed-test-uuid"
# Get - should get the same session back
retrieved = manager.get_session("fixed-test-uuid")
assert retrieved is not None
assert retrieved.session_id == "fixed-test-uuid"
# Close
result = await manager.close_session("fixed-test-uuid")
assert result is True
assert "fixed-test-uuid" not in manager.sessions
print("✓ Session lifecycle tests passed")
async def test_session_timeout_threshold():
"""Test session timeout threshold edge cases"""
print("Testing session timeout threshold...")
manager = BrowserSessionManager(session_timeout_minutes=30)
now = datetime.now()
# Session well within threshold (should NOT be cleaned)
within_threshold = MagicMock()
within_threshold.last_used = now - timedelta(minutes=15)
within_threshold.close = AsyncMock()
manager.sessions["within-threshold"] = within_threshold
# Session just over threshold (should be cleaned)
over_threshold = MagicMock()
over_threshold.last_used = now - timedelta(minutes=31)
over_threshold.close = AsyncMock()
manager.sessions["over-threshold"] = over_threshold
# Run cleanup (await directly, don't use asyncio.run)
await manager.cleanup_expired_sessions()
# Within threshold should remain
assert "within-threshold" in manager.sessions
# Over threshold should be removed
assert "over-threshold" not in manager.sessions
print("✓ Session timeout threshold tests passed")
async def main():
"""Run all tests"""
print("=" * 60)
print("Running Browser Tool Tests (Standalone)")
print("=" * 60)
try:
# Sync tests
test_browser_headless_config()
test_browser_session_initialization()
test_browser_session_different_types()
test_session_manager_initialization()
test_session_manager_custom_timeout()
test_get_session_empty()
test_get_session_existing()
test_get_browser_manager_singleton()
test_browser_session_with_optional_agent()
test_session_manager_sessions_dict()
# Async tests
await test_create_session()
await test_close_session()
await test_close_nonexistent_session()
await test_cleanup_expired_sessions()
await test_cleanup_no_expired_sessions()
await test_create_session_without_agent()
await test_session_lifecycle()
await test_session_timeout_threshold()
print("=" * 60)
print("✓ ALL TESTS PASSED")
print("=" * 60)
return 0
except AssertionError as e:
print(f"✗ TEST FAILED: {e}")
import traceback
traceback.print_exc()
return 1
except Exception as e:
print(f"✗ ERROR: {e}")
import traceback
traceback.print_exc()
return 1
if __name__ == "__main__":
exit_code = asyncio.run(main())
sys.exit(exit_code)
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