Software Testing Class

Is Domain Knowledge An Important Aspect In Manual Testing?

When you want to “Check”, no domain knowledge is needed but when you want to “Test”, domain knowledge is very important. Confused? Let me explain this in detail. Let’s take an example to understand how domain knowledge is important for testers. Say, you have written few automation scripts which “check” for some UI or basic functionality. To run them, your computer software doesn’t need any domain knowledge, it is just checking that whatever is written in that autotest should pass but when you do testing or make test cases from SRS/FRD documents then you need to understand each requirement and the expected output very clearly and hence need some domain knowledge for that.

Few of the projects in which domain knowledge plays a vital role are:

testing domain knowledge
  1. Mobile application testing.
  2. Network testing ( For example: LTE)
  3. Banking and Finance sector.
  4. Insurance and Manufacturing sector.
  5. VoIP testing.
  6. Healthcare software.

Main advantage which makes difference here is that when a tester has common sense, he can find obvious bugs but when he has domain knowledge, he can find bugs which are related to core functionality since he knows the flow of the application and knows what goes where. Here, I am going to take an example of mobile application testing. Say tester has to test an application which is related to music. If he does not have any prior domain knowledge of the application then he will not know the various options we have to sync music from and whether all of them working fine or not! Also what type of music files are supported by the application and which are not compatible with it. But it has domain knowledge then he can even give his ideas to make that application better and more usable.

Another example is of banking domain:

In such type of applications, only UI and functionality knowledge are not enough but how the data flow goes and most important part is security. Unique username and password, how secured data is encrypted and then decrypted properly, how it is transferred and what are the challenges tester can face while testing these type of application are some of the very important aspects to keep in mind. In today’s world when cyber-crime has increased so much, banking applications and website’s security testing has become a challenging part. Without domain knowledge, this can become risky for the business too.

Here are some of the advantages and disadvantages of having domain knowledge:

As we know all business applications are very critical and they demand a very high-quality end to end testing. Therefore not only technical knowledge of testing tools is desired by the organization but they demand a mixed skill set of software testing techniques as well as domain knowledge. It can be seen as a good opportunity with good pay to the tester and an asset to the organization in long run and at the same time quality testing deliverable to the client. Thus domain knowledge goes hand in hand with good testing skills and technical expertise. So while software tester is hired, the interviewer makes sure that he possesses all of these qualities.

Many freshers not aware of different software testing domains. Comment your domain below, it would really help to understand the different software domains to our readers.


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