Analysis of interface testing

　　 Interface testing is a type of testing , Another test method , It is part of testing in many fields , At the same time, it can be executed in different ways ;

　　 A functional test

　　 Functional testing is what we often call black box testing , The traditional black box test is to verify whether the developed product meets the product requirements specification , And the interface is actually part of the product requirements ;

　　 for example ：

　　 Product needs ： The client enters a word , Click button , That is, show the news related to this word in time ;

　　 Function realization ： The client spelled the words entered by the user into http request , Send to the server interface , The interface finds the news about this word , And it is spliced into json, Reply to the client , Clients are displayed in order .

　　 In this case , Central demand ≈ Interface functions

　　 Security testing

　　 I often hear that security testing is also part of interface testing to a large extent , Because the interface is equivalent to the bridge between the internal server and the outside , If there are no guards on the bridge , Then anyone can access the internal server , The guard mentioned here is actually the security verification of the interface ;

　　 Take a rotten example ：

　　 Interface functions ： Receive the words entered by the user , Go to the database to query the explanation of this word ;

　　 This involves spelling the words entered by the user into sql The process of , Interfaces need more than just splicing sql And implement , More importantly, filter the abnormal string entered by the user ;

　　

　　

　　 automated testing

　　 The traditional sense of automation is that the client automatically executes the black box through the framework case The process of , But interface testing can also be automated , Take a look at the following example ：

　　 Test requirements ： The server receives various words input from the client 、 The sentence 、 Symbol 、 Words and other information , Query and judge the type of input 、 Interpretative sentence 、 Or judge that this is an illegal query , The client returns according to the json Display the results .

　　 This requirement requires a lot of input case, For example, various phrases 、 character 、 Full angle 、 Half angle 、 Space 、 traditional Chinese character 、 Simplified Chinese character 、 Korean 、 Japanese and so on , But these case There are some common checkpoints , such as ： The return value is json Format , There must be a type field 、 Is it legal bool value 、 If it is legal, explain the contents of the sentence ; So this demand , We can validate requirements through automation ; We just need to write the input case Just fine ;

　　 Performance testing

　　 Generally speaking , Performance test refers to the performance test of the server interface , This is also an important concern about whether the demand can be launched normally .

　　 The most important interface performance test here is the following two parts ：

　　1、 The maximum pressure that the server can bear ;

　　2、 Stability under normal load ;

　　 unit testing

　　 The reason is simple , The server interface is also code , There are also different modules 、 class 、 function , Single test can be used to ensure the functional correctness of the underlying functions of the server interface code , for example ： analysis json Function of 、 Functions that handle request parameters 、 Connect db Functions and so on ;

　　 For more information on testing techniques, please pay attention to ： Shenzhen duosurveyor software and Technical Service Co., Ltd