QA Consulting Services: Classification of Tests During Their Selection
QA consulting services will help you to find answers to important questions like how to improve software quality, increase customer satisfaction, improve return on investment, increase brand reputation, etc.
It is recommended to develop a plurality of initial tests before creating a set of regression tests. With the given criteria for execution of regression testing all the original tests t (£ £) are divided into three subsets:
- The set of tests suitable for reuse. These are the tests that already were run and therefore are suitable for use, but they affect only testable (covered) elements of the program, which did not undergo changes. During the repeated execution the output of these tests will agree with the output data obtained in the original program. Consequently, these tests do not need to be rerun.
- The set of tests that need to be rerun. These include tests that were already run, but need to be performed again as they affect by at least a one modified covered program element to be retested. The repeated execution of these tests can produce results different from the results got after testing the original program. Many tests that require repeated execution provide good coverage for structural program elements even if the new functionality is available in the app.
- Many old-fashion tests. These tests are no longer applicable to the modified program and unsuitable for further testing, since they affect only the covered elements that will be removed while changing the program. They can be removed from the set of regression tests.
- The new tests, which have not yet been executed and can be used for testing.
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Let us have an idea of the testing life cycle. Immediately after the creation of the test it is entered into the database as a new structure. After the execution of the new test it falls into the category of reusable or obsolete tests. If the test execution contributed to an increase in the current level of code coverage, the test is marked as reusable. Otherwise, it is marked as obsolete and is rejected. The existing tests, run repeatedly after making changes to the code, and re-classified as suitable for reuse, or obsolete, depending on the test paths and test criterion used. Beta testing companies involve people in examining pre-release products so that to see how they interact with them and gather feedbacks on their quality.