详细介绍Python+Pytest+BDD+Playwright，用FSM打造高效测试框架

# Python在测试框架中的优势 class PythonAdvantages: def syntax_simplicity(self): """语法简洁易读""" return "降低学习成本，提高开发效率" def rich_ecosystem(self): """丰富的测试生态""" libraries = ["pytest", "unittest", "requests", "selenium"] return libraries def dynamic_features(self): """动态特性支持""" features = { "装饰器": "用于测试夹具和钩子函数", "元编程": "动态生成测试用例", "鸭子类型": "灵活的接口设计" } return features

import asyncio from playwright.async_api import async_playwright class PlaywrightFeatures: async def multi_browser_support(self): """多浏览器支持""" async with async_playwright() as p: for browser_type in [p.chromium, p.firefox, p.webkit]: browser = await browser_type.launch() page = await browser.new_page() # 跨浏览器测试 await page.goto('https://example.com') await browser.close() def auto_waiting(self): """自动等待机制""" # Playwright自动等待元素可操作 page.click("button#submit") # 自动等待元素可点击 page.fill("input#name", "John") # 自动等待元素可输入 def network_interception(self): """网络拦截""" async def handle_request(route, request): if "api" in request.url: await route.fulfill(json={"mock": "data"}) page.route("**/api/**", handle_request) def mobile_emulation(self): """移动设备模拟""" from playwright.async_api import Device iphone = Device("iPhone 12") context = await browser.new_context(**iphone)

import pytest import requests class TestPytestFeatures: @pytest.fixture def setup_data(self)