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How to learn automated testing? Can you teach yourself?

2022-07-24 20:23:00 【Zeze said test】

First , You need to be prepared , It's not about Automation , There is no need to do manual testing . Automated testing cannot completely replace manual testing , Some test scenarios , The cost of automation is significantly higher than that of manual .

secondly , Let's simply classify the usual testing work , The most common manual testing is interface based testing , Usually, the whole process can be connected . But for layered testing , Interface testing is a way of higher return , The application of automated testing in interface testing is the most common . Of course , And performance , Security , These are generally realized by automation .

then , Let's talk about skills . Skills are generally divided into tools and code , They can achieve the effect of automated testing . If the code ability is poor , Generally, some tools will be used first , Then I will improve my programming ability . And it must be noted that , The ability of business testing must not be lost .

Tools commonly used are jmeter, postman Such a tool , Now there are also some problems in China, such as metersphere, apifox And other automated tools , You can get to know , among , Personally, I think jmeter It is the key to master , Its ability is strong enough , It can do the interface test of the whole process , You can also do performance tests .

Then there are the tools on the interface , Generally, it integrates recording and playback functions , Then generate code snippets , And some traversal tools . image selenium ide, cypress, katalon studio wait . cypress It will be more popular , But it needs to be a little javascript Basics . This kind of tool is not very practical , Or the mobility is poor , Or it is not widely used , There is also the high cost of learning .

Next , Talk about programming . After knowing some tools , Generally, I will master oneortwo programming languages . One side , Being able to program will have a better career prospect , On the other hand , Many tools will support customizing scripts through programming .

The choice of programming language , The testing field is generally python and java, If you haven't touched , Just choose one of two . If the front end measures more , Demand is high , You'd better learn javascript. For testing , When I first started , I don't think it's necessary to be proficient , Spend too much time on the advanced usage of various programming languages , It's almost enough to write test cases , Improve at work .

After mastering the programming language , Will be exposed to a variety of frameworks and libraries , They are going to do specific testing work . With Python For example , Write use cases , Use case collection , Use case run , Test report generation will use the unit test framework , such as unittest and pytest.

Interface automation generally uses requests / aiohttp / httpx This library , The interface side will use things like selenium / playwright / appium /airtest Such a framework , Performance will use jmeter/ locust Such things .

Take them as the core , Most of the test scenarios and technologies to be implemented , Rarely write from scratch , Specific libraries will be used , For example, how to operate csv file , How to operate yaml, How to realize parameterization , How to control the database , How to deal with data dependency , How to generate data , How to clean up garbage data , How to achieve concurrency , How to do distributed processing , How to integrate , How to deploy an automated execution environment , I won't talk about it one by one .

Let's talk again .

The end of this paper , If it's not fun , I also sorted out the complete notes from the introduction to advanced software testing , You can click to view