Python+Selenium框架设计篇之4-框架内封装日志类和浏览器引擎类

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本文开始一步一步介绍,如何创建自己的第一个自动化测试框架。这一篇,我们介绍,如何封装自己的日志类和浏览器引擎类。

相关步骤:

1. 打开PyCharm,创建如下格式的项目层级结构,文件名称和我保持一样;


2. 相关文件代码如下

配置文件config.ini相关设计如下:

#  this is config file, only store browser type and server URL[browserType]#browserName = FirefoxbrowserName = Chrome#browserName = IE[testServer]URL = https://www.baidu.com#URL = www.google.com
浏览器引擎类browser_engine.py相关脚本代码如下:

# -*- coding:utf-8 -*-import ConfigParserimport os.pathfrom selenium import webdriverfrom framework.logger import Loggerlogger = Logger(logger="BrowserEngine").getlog()class BrowserEngine(object):    dir = os.path.dirname(os.path.abspath('.'))  # 注意相对路径获取方法    chrome_driver_path = dir + '/tools/chromedriver.exe'    ie_driver_path = dir + '/tools/IEDriverServer.exe'    def __init__(self, driver):        self.driver = driver    # read the browser type from config.ini file, return the driver    def open_browser(self, driver):        config = ConfigParser.ConfigParser()        # file_path = os.path.dirname(os.getcwd()) + '/config/config.ini'        file_path = os.path.dirname(os.path.abspath('.')) + '/config/config.ini'        config.read(file_path)        browser = config.get("browserType", "browserName")        logger.info("You had select %s browser." % browser)        url = config.get("testServer", "URL")        logger.info("The test server url is: %s" % url)        if browser == "Firefox":            driver = webdriver.Firefox()            logger.info("Starting firefox browser.")        elif browser == "Chrome":            driver = webdriver.Chrome(self.chrome_driver_path)            logger.info("Starting Chrome browser.")        elif browser == "IE":            driver = webdriver.Ie(self.ie_driver_path)            logger.info("Starting IE browser.")        driver.get(url)        logger.info("Open url: %s" % url)        driver.maximize_window()        logger.info("Maximize the current window.")        driver.implicitly_wait(10)        logger.info("Set implicitly wait 10 seconds.")        return driver    def quit_browser(self):        logger.info("Now, Close and quit the browser.")        self.driver.quit()
日志类logger.py相关脚本代码如下:

# _*_ coding: utf-8 _*_import loggingimport os.pathimport timeclass Logger(object):    def __init__(self, logger):        '''            指定保存日志的文件路径,日志级别,以及调用文件            将日志存入到指定的文件中        '''        # 创建一个logger        self.logger = logging.getLogger(logger)        self.logger.setLevel(logging.DEBUG)        # 创建一个handler,用于写入日志文件        rq = time.strftime('%Y%m%d%H%M', time.localtime(time.time()))        # log_path = os.path.dirname(os.getcwd()) + '/Logs/'  # 项目根目录下/Logs 保存日志        log_path = os.path.dirname(os.path.abspath('.')) + '/logs/'        # 如果case组织结构式 /testsuit/featuremodel/xxx.py , 那么得到的相对路径的父路径就是项目根目录        log_name = log_path + rq + '.log'        fh = logging.FileHandler(log_name)        fh.setLevel(logging.INFO)        # 再创建一个handler,用于输出到控制台        ch = logging.StreamHandler()        ch.setLevel(logging.INFO)        # 定义handler的输出格式        formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')        fh.setFormatter(formatter)        ch.setFormatter(formatter)        # 给logger添加handler        self.logger.addHandler(fh)        self.logger.addHandler(ch)    def getlog(self):        return self.logger
页面对象pageobject这里暂不用,下一篇介绍

测试脚本baidu_search.py相关脚本如下:

# coding=utf-8import timeimport unittestfrom framework.browser_engine import BrowserEngineclass BaiduSearch(unittest.TestCase):    def setUp(self):        """        测试固件的setUp()的代码,主要是测试的前提准备工作        :return:        """        browse = BrowserEngine(self)        self.driver = browse.open_browser(self)    def tearDown(self):        """        测试结束后的操作,这里基本上都是关闭浏览器        :return:        """        self.driver.quit()    def test_baidu_search(self):        """        这里一定要test开头,把测试逻辑代码封装到一个test开头的方法里。        :return:        """        self.driver.find_element_by_id('kw').send_keys('selenium')        time.sleep(1)        try:            assert 'selenium' in self.driver.title            print ('Test Pass.')        except Exception as e:            print ('Test Fail.', format(e))if __name__ == '__main__':    unittest.main()

工具包,这里把三个浏览器的driver文件都放根目录一个文件夹里,这样别人拷贝这个项目也不需要去下载这些文件。

运行测试脚本baidu_search.py,会在根目录下的logs文件生成日志文件,例如我:

2017-04-19 17:49:06,220 - BrowserEngine - INFO - You had select Chrome browser.2017-04-19 17:49:06,220 - BrowserEngine - INFO - The test server url is: https://www.baidu.com2017-04-19 17:49:10,049 - BrowserEngine - INFO - Starting Chrome browser.2017-04-19 17:49:11,115 - BrowserEngine - INFO - Open url: https://www.baidu.com2017-04-19 17:49:12,349 - BrowserEngine - INFO - Maximize the current window.2017-04-19 17:49:12,349 - BrowserEngine - INFO - Set implicitly wait 10 seconds.


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