What is automated testing
A practice that transforms human testing behavior of software into testing behavior performed by machines. For example, GUI automated testing simulates people to operate the software interface, liberating people from simple and repetitive labor. It is essentially using code to test another piece of code. It is a kind of software development work. Use cases that have been developed must also be tested. Updated as the object changes, therefore, there are additional maintenance costs.
What are the classifications of automated testing?
Classified by test purpose
- Functional automated testing
- Performance automated testing
Classification by test object
- Web application testing
- APP test
- Interface testing
- unit test
Why you need automated testing
- It can replace a large number of manual repetitive operations, and test engineers can spend more time on use case design and testing of new functions.
- It can greatly improve the efficiency of regression testing and is very suitable for agile development processes.
- Can make better use of unattended time to perform tests more frequently
- It can efficiently implement certain types of tests that are impossible or costly to perform manually, such as system stability tests that run continuously 24/7 and stress tests in high-concurrency scenarios.
- It can ensure that the operations performed each time are consistent and repeatable, and will not be affected by human emotional factors.
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Postman automated testing demonstration
Everyone uses postman quite a bit, so I won’t introduce how to use it.
1. Create a new collection
It is just for the purpose of uniformly classifying the interfaces to be tested:
2. Create a new interface
Here's what I added:
3. Fill in the automated test script
For example, I need to test a few points:
- http status code 200
- The code code of the returned json is 0
- The interface return time is not less than 1000 milliseconds. The script is as follows
//查看
httpCode码tests["接口状态码200"] = responseCode.code === 200;
//判断请求时间
tests["返回时间小于1000毫秒"] = responseTime < 1000;
//返回
body转jsonvar data = JSON.parse(responseBody);
//检查
json数据tests['code码必须为0']= data.code==0The test results are as follows:
4. Enter all interfaces
Then I will conduct this test on all interfaces and enter all these interfaces, as follows:
5. Execute automated testing
Click the Run button of the collection:
The following interface pops up and you can fill in the corresponding parameters. Here I use the default ones.
Click Run, the execution results are as follows:
As you can see, we tested 32 interfaces, 25 of which passed and 7 failed. Some of them did not meet the time requirements, and some of them had incorrect status codes. In response to this result, we can optimize the interface ourselves, it's that simple.
Finally, I would like to thank everyone who has read my article carefully. Looking at the increase in fans and attention, there is always some courtesy. Although it is not a very valuable thing, if you can use it, you can take it directly!
Software Testing Interview Document
We must study to find a high-paying job. The following interview questions are from the latest interview materials from first-tier Internet companies such as Alibaba, Tencent, Byte, etc., and some Byte bosses have given authoritative answers. After finishing this set I believe everyone can find a satisfactory job based on the interview information.
