Introduction to Pairwise Testing

Pairwise testing is a testing technique which is performed by two team members are setting together to test application on the same system.
Two members of team can be developer and tester, tester and developer, tester and analyst, tester and tester.

Pairwise testing is also known as All-Pairs Testing. Pairwise testing is performed to test all the

possible combinations of the involved parameters.

Pairwise testing is a Black box testing technique in which is used to design the test cases for all input valuse.

Pairwise testing includes:-

• Bug Reports

• Test Strategies

• Project Status

Why Pairwise Testing:-

• Software maintenance cost can be reduced by performing Pairwise testing.

• If a tester working alone may jump to incorrect conclusion.

• Pairwise testing helps to reduce number of testers.

• Pairwise testing is performed to test the functionality of specific area.

• Pairwise testing is performed to perform the performance testing and data quality testing.

Tips to perform pair testing:-

• When perform pair testing focus should be on the testing areas to track the bugs.

• New functionalities should be test again at the end of iteration.

• By determining scope, focus and delimitation prepare test mission of the test.

• Decide the session length.

Challenges in pair testing:-

• Bug reports can be only be write when the session will be over.

• It is difficult to show the management of what test cases are exactly performed.

Advantages of Pairwise Testing:-

• Pairwise testing helps to reduce the required number of system.

• Pairwise testing required less efforts because it is performed by two team members.

• Number of bugs founds by performing pairwise testing is bigger.

When pairwise testing fails:-

• When the selection of test value is not right.

• When you are not aware about the variables dependencies.