December 1, 2023
what is domain testing in software testing?

In Domain Testing, Every software development process ultimately conforms to the Software Development Life Cycle (SDLC) to produce a high-quality software product. Software testing is one of the most important phases in this process because it alone verifies the product’s quality. To check various test cases or parameters, many types of software testing, therefore, have to be carried out.

What is Domain Testing?

To ensure that a system won’t accept invalid input values, domain testing is a software testing technique that uses the smallest number of possible inputs to access the output that the system will produce. It’s believed that the system will provide the necessary outputs while preventing improper inputs.

The following step-by-step structure, which works for the majority of circumstances, is utilized throughout the domain testing process to construct the strategy.

Consider the negative outcomes.

  • To tackle each circumstance, come up with a solution.
  • Choose a few points to test every error.
  • To analyze related domains, select one test point.
  • Launch the test after that.
  • Identify any errors in the limitations.
  • Verify each domain’s boundaries.

Domain Knowledge

A person who has a thorough understanding of a certain field or is familiar with a particular phrase used in a discipline is said to possess domain knowledge. Reduced development time and a shorter delivery cycle both benefit.

Is domain knowledge required for Domain testing? 

Someone who is unfamiliar with a field may find it challenging to function effectively. So, a domain tester should have a foundational understanding of the domain. This is significant because

  • Online banking: A tester needs to be proficient in tasks including bill payment, transfer, and log-in.
  • Retail domains: To do a domain test properly, the tester must be aware of how things operate on many levels. Warehouse management, in-store solutions, and other areas fall under the retail sector.
  • Healthcare – A tester should be able to work with a healthcare system if they have a thorough understanding of the relevant area. When a system is handled by a complete novice, there is a significant risk to someone’s life.

Domain Testing Strategy:

We are aware that each domain has a boundary from which it is defined, and locations close to the boundaries are examined during tests. A question is always asked to start a testing procedure. A QA expert has experimented with the domain testing approach to discover answers to these questions:

  • What should be tested in the domain?
  • What is the best way to classify values?
  • I should test what value, right?
  • How will the results be delivered to me?

A real-life example of Domain testing :

Consider a class of students on a study tour as a real-world example of domain testing. Based on the inputs for gender and age, they were granted a ticket for entertainment purposes to participate in a particular activity. Age groups will serve as boundary values with a variety of potential outcomes in this test, which will be conducted at an entertainment venue. Following is an example of how students complete activities:

  • A poem should be read aloud to children under five.
  • Boys 5 and older are to sketch Girls 5 and older are to sing a song
  • Boys and girls over 10 must engage in a sport or quiz.
  • Children over 15 who are still alive must enter a writing contest.

Using the provided algorithm, the expert separates the values into classes, or age groups, and then selects the boundary values, or the maximum and lowest age values in a category. Then, many scenarios are developed along with their projected outcomes.

What is Domain Testing in Software Testing? (With Example)

Skills required for Domain testing

One needs the following abilities to be a successful domain tester:

  • Quick learner
  • Domain knowledge
  • Can work under pressure
  • Technical and Programming skills
  • Automation skill
  • Bug hunting skill
  • Communication skill

Domain testing necessitates an understanding of the proper input and output requirements. It is also comparable to boundary analysis testing, which uses input variables as boundary and equivalence class values to achieve desired results.

The Benefits Of Domain Testing:

  • Identifies software system edge scenarios that may result in problems.
  • Utilization of testing resources effectively.
  • Tests a broad range of values within a domain, which broadens the scope of the test.
  • Identifies and resolves edge case problems to raise the quality of software.
  • Fewer resources are needed compared to other testing approaches, making it a cost-effective testing technique.

Drawback Of Domain Testing:

  • Focuses on a narrow range or domain.
  • A false sense of security may result in the failure to detect all problems outside the domain.
  • Defining domain boundaries is challenging.
  • Possibly misses complicated problems that call for testing of numerous variables or system interactions.
  • Some systems, especially those with complicated input and output parameters or those that require advanced testing methods, might not be suitable for them.

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