测试工程师的年龄焦虑：35岁后的职业出路_千锋教育

# 一个简单的性能测试脚本框架示例
import time
import threading

class PerformanceTester:
    def __init__(self, target_url, concurrent_users=100):
        self.url = target_url
        self.concurrent = concurrent_users
        self.response_times = []
        
    def run_test(self):
        threads = []
        for i in range(self.concurrent):
            t = threading.Thread(target=self.single_request)
            threads.append(t)
            t.start()
        for t in threads:
            t.join()
        self.analyze_results()
    
    def single_request(self):
        start = time.time()
        # 实际请求逻辑
        time.sleep(0.1)  # 模拟网络延迟
        elapsed = time.time() - start
        self.response_times.append(elapsed)
    
    def analyze_results(self):
        avg_time = sum(self.response_times) / len(self.response_times)
        max_time = max(self.response_times)
        p95 = sorted(self.response_times)[int(len(self.response_times)*0.95)]
        print(f"平均响应: {avg_time:.3f}s, 最大响应: {max_time:.3f}s, P95: {p95:.3f}s")

# 一个完整的自动化测试框架示例
# conftest.py
import pytest
from selenium import webdriver

@pytest.fixture(scope="session")
def browser():
    driver = webdriver.Chrome()
    driver.maximize_window()
    yield driver
    driver.quit()

# test_login.py
class TestLogin:
    def test_login_success(self, browser):
        browser.get("https://example.com/login")
        browser.find_element_by_id("username").send_keys("admin")
        browser.find_element_by_id("password").send_keys("password123")
        browser.find_element_by_id("login-btn").click()
        assert "Dashboard" in browser.title
    
    def test_login_failed_wrong_password(self, browser):
        browser.get("https://example.com/login")
        browser.find_element_by_id("username").send_keys("admin")
        browser.find_element_by_id("password").send_keys("wrong")
        browser.find_element_by_id("login-btn").click()
        assert "Invalid credentials" in browser.page_source