Technology sharing | common proxy tools for interface testing

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This article is excerpted from the internal textbook of Hogwarts testing and development society

In the interface test , There are various powerful agent tools , such as Charles 、 Burpsuite 、 mitmproxy wait . These proxy tools can help us construct various test scenarios 、 And better complete the testing work . The following introduction to Charles Mainly .

Charles

Charles It's a proxy server , It can intercept requests and responses to achieve the purpose of analyzing packets , And support multiple platforms , In the Windows,Mac,Linux Upper use .

Interface and basic settings

Charles Above is the menu bar , Each website visited is recorded on the left / host , Information details are displayed on the right .

session

Charles It can store all kinds of network request information , All requests and responses will be recorded in session in , It can be checked and analyzed . Open... In the menu bar File, Manage... Here session, Including new 、 open 、 Empty... Etc .

Be careful ： Each start Charles, Will automatically create a new session

You can also close the record , If you close the record ,Charles All requests will be passed normally , But they won't be recorded in session in , Click below to close the record ：

Chart

Chart Records the life cycle of resources , From request to wait to respond to request . It also groups related resources , Like the following 4 individual Resource It's a group. ：

SSL

utilize Chart, You can know how long the request takes .

Charles Have your own certificate , be called ：Charles Root Certificate, When grabbing data , You may receive warnings about certificates , Need to click trust , The following settings allow you to manually set the certificate ：

trust Charles Root Certificate：

https://www.charlesproxy.com/documentation/using-charles/ssl-certificates/

Charlse It's an intermediate tool , View and sign the server's certificate for the browser , But at the same time, I will send my certificate to the browser , So there will be a warning , It needs to be added to the trust sequence to work properly , Below is the working diagram ：

Weak network test

Software is usually affected by the network , When the network is poor, there will be jams or even error.Charles Bring your own weak net tool , It can simulate the weak network environment , stay Proxy->Throttle Settings Next , Check before use Enable Throttling.

If you want to specify a website , You can check Only for selected hosts, Then set... In the settings in the lower part of the dialog box hosts term .

• Throttle Preset： Choose the type of network , Such as choice 56 kbps modem

• Bandwidth： bandwidth

• Utilistation： Utilization percentage

• Round-trip： Round trip delay