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接口自动化框架(Pytest+request+Allure)

来源:宝马会备用手机版   发布时间:2019-11-06   点击量:475

前言:

接口自动化是指模拟程序接口层面的自动化,由于接口不易变更,维护成本更小,所以深受各大公司的喜爱。接口自动化包含2个部分,功能性的接口自动化测试和并发接口自动化测试。本次文章着重介绍第一种,功能性的接口自动化框架。


一、简单介绍

环境:Mac、Python 3,Pytest,Allure,Request流程:读取Yaml测试数据-生成测试用例-执行测试用例-生成Allure报告模块类的设计说明:

Request.py 封装request方法,可以支持多协议扩展(getpostput)Config.py读取配置文件,包括:不同环境的配置,email相关配置Log.py 封装记录log方法,分为:debug、info、warning、error、criticalEmail.py 封装smtplib方法,运行结果发送邮件通知Assert.py 封装assert方法run.py 核心代码。定义并执行用例集,生成报告

Yaml测试数据格式如下:

---Basic: dec: "基础设置" parameters: - url: /settings/basic.json data: slug=da1677475c27 header: { "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36", "Content-Type": "keep-alive" }


二、代码结构与框架流程

1、代码结构见下图:

2、框架流程见下图:


三、详细功能和使用说明

1、定义配置文件config.ini

该文件中区分测试环境[private_debug]和正式环境[online_release]分别定义相关配置项,[mail]部分为邮件相关配置项

# http接口测试框架配置信息[private_debug]# debug测试服务tester = your nameenvironment = debugversionCode = your versionhost = www.jianshu.comloginHost = /LoginloginInfo = email=wang@user.com&password=123456[online_release]# release正式服务tester = your nameenvironment = releaseversionCode = v1.0host = www.jianshu.comloginHost = /LoginloginInfo = email=wang@user.com&password=123456[mail]#发送邮件信息smtpserver = smtp.163.comsender = test1@163.comreceiver = wang@user.comusername = wang@user.compassword = 123456

2、读取yaml测试数据后封装

yaml测试数据例子见第一节,一条接口可定义多条case数据,get_parameter为已封装好的读取yaml数据方法,循环读取后将多条case数据存在list中。

class Basic: params = get_parameter("Basic") url = [] data = [] header = [] for i in range(0, len(params)): url.append(params[i]["url"]) data.append(params[i]["data"]) header.append(params[i]["header"])

3、编写用例

class TestBasic: @pytest.allure.feature("Home") @allure.severity("blocker") @allure.story("Basic") def test_basic_01(self, action): """ 用例描述:未登陆状态下查看基础设置 """ conf = Config() data = Basic() test = Assert.Assertions() request = Request.Request(action) host = conf.host_debug req_url = "http://" + host urls = data.url params = data.data headers = data.header api_url = req_url + urls[0] response = request.get_request(api_url, params[0], headers[0]) assert test.assert_code(response["code"], 401) assert test.assert_body(response["body"], "error", u"继续操作前请注册或者登录.") assert test.assert_time(response["time_consuming"], 400) Consts.RESULT_LIST.append("True")

4、运行整个框架run.py

if __name__ == "__main__": # 定义测试集 allure_list = "--allure_features=Home,Personal" args = ["-s", "-q", "--alluredir", xml_report_path, allure_list] log.info("执行用例集为:%s" % allure_list) self_args = sys.argv[1:] pytest.main(args) cmd = "allure generate %s -o %s" % (xml_report_path, html_report_path) try: shell.invoke(cmd) except: log.error("执行用例失败,请检查环境配置") raise try: mail = Email.SendMail() mail.sendMail() except: log.error("发送邮件失败,请检查邮件配置") raise

5、err.log实例

[ERROR 2018-08-24 09:55:37]Response body != expected_msg, expected_msg is {"error":"继续操作前请注册或者登录9."}, body is {"error":"继续操作前请注册或者登录."}[ERROR 2018-08-24 10:00:11]Response time > expected_time, expected_time is 400, time is 482.745[ERROR 2018-08-25 21:49:41]statusCode error, expected_code is 208, statusCode is 200

6、Assert部分代码

def assert_body(self, body, body_msg, expected_msg): """ 验证response body中任意属性的值 :param body: :param body_msg: :param expected_msg: :return: """ try: msg = body[body_msg] assert msg == expected_msg return True except: self.log.error("Response body msg != expected_msg, expected_msg is %s, body_msg is %s" % (expected_msg, body_msg)) Consts.RESULT_LIST.append("fail") raise def assert_in_text(self, body, expected_msg): """ 验证response body中是否包含预期字符串 :param body: :param expected_msg: :return: """ try: text = json.dumps(body, ensure_ascii=False) # print(text) assert expected_msg in text return True except: self.log.error("Response body Does not contain expected_msg, expected_msg is %s" % expected_msg) Consts.RESULT_LIST.append("fail") raise

7、Request部分代码

def post_request(self, url, data, header): """ Post请求 :param url: :param data: :param header: :return: """ if not url.startswith("http://"): url = "%s%s" % ("http://", url) print(url) try: if data is None: response = self.get_session.post(url=url, headers=header) else: response = self.get_session.post(url=url, params=data, headers=header) except requests.RequestException as e: print("%s%s" % ("RequestException url: ", url)) print(e) return () except Exception as e: print("%s%s" % ("Exception url: ", url)) print(e) return () # time_consuming为响应时间,单位为毫秒 time_consuming = response.elapsed.microseconds/1000 # time_total为响应时间,单位为秒 time_total = response.elapsed.total_seconds() Common.Consts.STRESS_LIST.append(time_consuming) response_dicts = dict() response_dicts["code"] = response.status_code try: response_dicts["body"] = response.json() except Exception as e: print(e) response_dicts["body"] = "" response_dicts["text"] = response.text response_dicts["time_consuming"] = time_consuming response_dicts["time_total"] = time_total return response_dicts


四、Allure报告及Email

1、Allure报告总览,见下图:

2、Email见下图:


五、后续优化

1、集成Jenkins,使用Jenkins插件生成Allure报告2、多线程并发接口自动化测试3、接口加密,参数加密


后续会开源全部代码,请关注我的Github。


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