httprunner—参数关联-extract

应用场景&参数关联

场景一:

假设我们需要查看某个用户的个人信息,一般情况下我们需要先登录这个用户才能查看用户的个人信息,在接口自动化测试中,一般可以通过获取登录接口的token,在请求用户信息接口的时候带上这个token来实现“登录并查看用户个人信息”,这时候extract就发挥作用了,通过请求登录接口,提取登录token,将登录token写入查看用户接口。

 

下面上实例:

/api/get-token 获取到的token,通过变量$token 被  /api/users/$user_id 引用

- config:
    name: testcase description
    base_url: http://127.0.0.1:5000
    variables:
        device_sn: ${gen_random_string(15)}


- test:
    name: /api/get-token
    variables:
        app_version: 2.8.6
        os_platform: ios
    request:
        headers:
            Content-Type: application/json
            User-Agent: python-requests/2.18.4
            app_version: $app_version
            device_sn: $device_sn
            os_platform: $os_platform
        json:
            sign: ${get_sign($device_sn, $os_platform, $app_version)}
        method: POST
        url: /api/get-token
    extract:
        token: content.token
    validate:
        - eq: [status_code, 200]
        - eq: [headers.Content-Type, application/json]
        - eq: [content.success, true]
    output:
        token

- test:
    name: /api/users/$user_id
    variables:
#        user_id: ${gen_random_userid(4)}
        user_id: $user_id
    request:
        headers:
            Content-Type: application/json
            User-Agent: python-requests/2.18.4
            device_sn: $device_sn
            token: $token
        json:
            name: user1
            password: '123456'
        method: POST
        url: /api/users/$user_id
    validate:
        - eq: [status_code, 201]
        - eq: [headers.Content-Type, application/json]
        - eq: [content.success, true]
        - eq: [content.msg, user created successfully.]
    output:
        user_id

 

提取response返回数据

 

应用场景二:

查看某个用户的购买记录,假设这一场景需要通过调用两个接口实现,即通过调用登录接口获取用户的userid字段,用户购买记录接口的请求参数即为userid。

实现方法:

通过调用登录接口,获取并提取response内容,例如userid,再设置变量$userid,传入购买记录接口。

 

实例:

假设我们返回的数据格式如下,这时候我们要提取 userPhone

{
    "success":true,
    "statuscode":200,
    "errorcode":0,
    "errormsg":null,
    "data":{
        "userCity":"",
        "designerFlag":false,
        "userFrom":"EPS10",
        "userOrganize":"df74f270-ac9b-4407-a46f-89898987777fff",
        "userAuthState":0,
        "isAutoPay":0,
        "userNo":"RP201810291150907",
        "userPhone":"13088889981",
        "userOrgPackage":{
            
            "orgPackageStatetime":"2020-01-19T11:39:52.000+0000",
            "orgPackageSt":"2020-01-19T11:38:54.000+0000",
            "orgPackageEt":"2021-01-19T11:38:54.000+0000",
            "orgPackageRemark":null,
            "orgPackageBuyMethod":1,
            "orgPackagePayMethod":1,
            "orgPackagePrice":0,
            "orgPackagePriceRemark":null,
            "orgPackageCt":"2020-01-19T11:39:52.000+0000",
            "orgPackageUt":"2020-01-19T11:39:52.000+0000"
        }

        }
    }

关于content对象

content对象相当于request中的r.content,content对象的提取方式有两种,

content.key 和 content.int,关于提取list中的字段,用的方法是content.int

例如:

content.statuscode:提取的是  "statuscode":200的值 200

content.data.userPhone:提取的是  "userPhone":"13088889981"的值 13088889981

 

 

HttpRunner,从零到熟练运用,个人实战总结请见:https://www.yuque.com/zaygee/httprunner

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