crawl4ai/tests/browser/test_cdp_strategy.py
UncleCode 3ff7eec8f3 refactor(browser): consolidate browser strategy implementations
Moves common browser functionality into BaseBrowserStrategy class to reduce code duplication and improve maintainability. Key changes:
- Adds shared browser argument building and session management to base class
- Standardizes storage state handling across strategies
- Improves process cleanup and error handling
- Consolidates CDP URL management and container lifecycle

BREAKING CHANGE: Changes browser_mode="custom" to "cdp" for consistency
2025-03-28 22:47:28 +08:00

229 lines
7.9 KiB
Python

"""Test examples for CDPBrowserStrategy.
These examples demonstrate the functionality of CDPBrowserStrategy
and serve as functional tests.
"""
import asyncio
import os
import sys
# Add the project root to Python path if running directly
if __name__ == "__main__":
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '../..')))
from crawl4ai.browser import BrowserManager
from crawl4ai.async_configs import BrowserConfig, CrawlerRunConfig
from crawl4ai.async_logger import AsyncLogger
# Create a logger for clear terminal output
logger = AsyncLogger(verbose=True, log_file=None)
async def test_cdp_launch_connect():
"""Test launching a browser and connecting via CDP."""
logger.info("Testing launch and connect via CDP", tag="TEST")
browser_config = BrowserConfig(
use_managed_browser=True,
browser_mode="cdp",
headless=True
)
manager = BrowserManager(browser_config=browser_config, logger=logger)
try:
await manager.start()
logger.info("Browser launched and connected via CDP", tag="TEST")
# Test with multiple pages
pages = []
for i in range(3):
crawler_config = CrawlerRunConfig()
page, context = await manager.get_page(crawler_config)
await page.goto(f"https://example.com?test={i}")
pages.append(page)
logger.info(f"Created page {i+1}", tag="TEST")
# Verify all pages are working
for i, page in enumerate(pages):
title = await page.title()
logger.info(f"Page {i+1} title: {title}", tag="TEST")
await manager.close()
logger.info("Browser closed successfully", tag="TEST")
return True
except Exception as e:
logger.error(f"Test failed: {str(e)}", tag="TEST")
try:
await manager.close()
except:
pass
return False
async def test_cdp_with_user_data_dir():
"""Test CDP browser with a user data directory."""
logger.info("Testing CDP browser with user data directory", tag="TEST")
# Create a temporary user data directory
import tempfile
user_data_dir = tempfile.mkdtemp(prefix="crawl4ai-test-")
logger.info(f"Created temporary user data directory: {user_data_dir}", tag="TEST")
browser_config = BrowserConfig(
headless=True,
browser_mode="cdp",
user_data_dir=user_data_dir
)
manager = BrowserManager(browser_config=browser_config, logger=logger)
try:
await manager.start()
logger.info("Browser launched with user data directory", tag="TEST")
# Navigate to a page and store some data
crawler_config = CrawlerRunConfig()
page, context = await manager.get_page(crawler_config)
# Set a cookie
await context.add_cookies([{
"name": "test_cookie",
"value": "test_value",
"url": "https://example.com"
}])
# Visit the site
await page.goto("https://example.com")
# Verify cookie was set
cookies = await context.cookies(["https://example.com"])
has_test_cookie = any(cookie["name"] == "test_cookie" for cookie in cookies)
logger.info(f"Cookie set successfully: {has_test_cookie}", tag="TEST")
# Close the browser
await manager.close()
logger.info("First browser session closed", tag="TEST")
# Start a new browser with the same user data directory
logger.info("Starting second browser session with same user data directory", tag="TEST")
manager2 = BrowserManager(browser_config=browser_config, logger=logger)
await manager2.start()
# Get a new page and check if the cookie persists
page2, context2 = await manager2.get_page(crawler_config)
await page2.goto("https://example.com")
# Verify cookie persisted
cookies2 = await context2.cookies(["https://example.com"])
has_test_cookie2 = any(cookie["name"] == "test_cookie" for cookie in cookies2)
logger.info(f"Cookie persisted across sessions: {has_test_cookie2}", tag="TEST")
# Clean up
await manager2.close()
# Remove temporary directory
import shutil
shutil.rmtree(user_data_dir, ignore_errors=True)
logger.info(f"Removed temporary user data directory", tag="TEST")
return has_test_cookie and has_test_cookie2
except Exception as e:
logger.error(f"Test failed: {str(e)}", tag="TEST")
try:
await manager.close()
except:
pass
# Clean up temporary directory
try:
import shutil
shutil.rmtree(user_data_dir, ignore_errors=True)
except:
pass
return False
async def test_cdp_session_management():
"""Test session management with CDP browser."""
logger.info("Testing session management with CDP browser", tag="TEST")
browser_config = BrowserConfig(
use_managed_browser=True,
headless=True
)
manager = BrowserManager(browser_config=browser_config, logger=logger)
try:
await manager.start()
logger.info("Browser launched successfully", tag="TEST")
# Create two sessions
session1_id = "test_session_1"
session2_id = "test_session_2"
# Set up first session
crawler_config1 = CrawlerRunConfig(session_id=session1_id)
page1, context1 = await manager.get_page(crawler_config1)
await page1.goto("https://example.com")
await page1.evaluate("localStorage.setItem('session1_data', 'test_value')")
logger.info(f"Set up session 1 with ID: {session1_id}", tag="TEST")
# Set up second session
crawler_config2 = CrawlerRunConfig(session_id=session2_id)
page2, context2 = await manager.get_page(crawler_config2)
await page2.goto("https://example.org")
await page2.evaluate("localStorage.setItem('session2_data', 'test_value2')")
logger.info(f"Set up session 2 with ID: {session2_id}", tag="TEST")
# Get first session again
page1_again, _ = await manager.get_page(crawler_config1)
# Verify it's the same page and data persists
is_same_page = page1 == page1_again
data1 = await page1_again.evaluate("localStorage.getItem('session1_data')")
logger.info(f"Session 1 reuse successful: {is_same_page}, data: {data1}", tag="TEST")
# Kill first session
await manager.kill_session(session1_id)
logger.info(f"Killed session 1", tag="TEST")
# Verify second session still works
data2 = await page2.evaluate("localStorage.getItem('session2_data')")
logger.info(f"Session 2 still functional after killing session 1, data: {data2}", tag="TEST")
# Clean up
await manager.close()
logger.info("Browser closed successfully", tag="TEST")
return is_same_page and data1 == "test_value" and data2 == "test_value2"
except Exception as e:
logger.error(f"Test failed: {str(e)}", tag="TEST")
try:
await manager.close()
except:
pass
return False
async def run_tests():
"""Run all tests sequentially."""
results = []
# results.append(await test_cdp_launch_connect())
results.append(await test_cdp_with_user_data_dir())
results.append(await test_cdp_session_management())
# Print summary
total = len(results)
passed = sum(results)
logger.info(f"Tests complete: {passed}/{total} passed", tag="SUMMARY")
if passed == total:
logger.success("All tests passed!", tag="SUMMARY")
else:
logger.error(f"{total - passed} tests failed", tag="SUMMARY")
if __name__ == "__main__":
asyncio.run(run_tests())