Technology Sharing | How to Handle Header Cookies in Interface Automation Testing

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Cookie (plural form: Cookies) is the data stored on the user's local terminal by some websites in order to identify the user's identity.During the interface testing process, if the website adopts the cookie authentication method, the sent request needs to be accompanied by a cookie to get a normal response result.The same is true for interface automation testing. Cookies need to be added when constructing interface test cases.

Practical practice

A request from a website that wants to verify cookies will return an incorrect response if no cookie data is passed during the request.The following actual combat takes snowball as an example.

Scenario without cookie data

The example below initiates a get request to the url of the snowball without adding cookie data during the request.

>>> import requests>>>>>> url="https://xueqiu.com/stock/search.json">>> params={"code": "sogo", "size": "3", "page": "1"}>>> header={ "Accept": "application/json",... "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) \AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36",... }>>> r = requests.get(url, params=params, headers=header)>>> r.text'{"error_description":"Encountered an error, please refresh the page or log in again and try again",\"error_uri":"/stock/search.json","error_code":"400016"}'>>>

As you can see from the above example, if no cookie data is added during the request process, an error will be reported and an account login will be required.

Scenario for adding cookies

Next, add the correct cookie information in the request process to get the normal response information.

Python version

Also visit Snowball, passing the correct cookie data via the keyword argument cookies.

>>> import requests>>>>>> url="https://xueqiu.com/stock/search.json">>> params={"code": "sogo", "size": "3", "page": "1"}>>> header={ "Accept": "application/json",... "User-Agent": "Mozilla/5.0 \(Macintosh; Intel Mac OS X 10_14_6)\AppleWebKit/537.36 (KHTML, like Gecko) \Chrome/77.0.3865.90 Safari/537.36",... }>>> cookies={"xq_a_token":"...omit..."}>>> requests.get(url,params=params, headers=header, cookies=cookies).text'{"q":"sogo","page":1,"size":3,"stocks":[{"code":"SOGO","name":"Sogou","enName":"","hasexist":"false","flag":null,"type":0,"stock_id":1029472,"ind_id":0,"nd_name":"Communication business","ind_color":null,"_source":"sc_1:1:sogo"}]}'

Java version

In Java, you can use the cookie() method to pass in the cookie data information that Snowball needs.

import static io.restassured.RestAssured.*;public class Requests {public static void main(String[] args) {given().params("code", "sogo", "size", 3, "page", 1).cookie("xq_a_token", "...omit...").when().get("https://xueqiu.com/stock/search.json").then().statusCode(200).log().all();}}

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