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27-05-2017, 06:07 PM

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jaseela123d · 29-05-2017, 10:07 AM

Software testing methodologies are the different approaches and ways to ensure that a particular software application is fully tested. Software testing methodologies span everything from testing individual module units to integrating system-wide testing into specialized forms of testing, such as security and performance.

Software testing methodology is defined as strategies and test types used to certify that the application under test meets customer expectations. Test methodologies include functional and non-functional tests to validate the TUE. Examples of test methodologies are unit tests, integration tests, system tests, performance tests, etc. Each test methodology has a defined test objective, a test strategy and deliverables.

Test methodologies are approximations to tests, from unit tests to system tests and beyond. There is no formally recognized body of test methodologies, and very rarely is there a unified set of definitions. But here are some common methodologies:

1. Unit Review

The act of testing the software at the most basic level (object). Generally done by developers, they run in "friend classes" with code-level access to read and manipulate objects.

2. Acceptance test

Also known as acceptance tests, construction verification tests, basic verification tests, are rudimentary tests that show whether or not a particular construction is worth more. The term "smoke test" is a colloquial term - when the machines are built, the engineers will turn them on and only let them run, looking for smoke as a sign of serious problems.

3. Functional testing

The functional test takes a user history or a product feature and tests all the functionality contained in that feature. For example, in a photo application such as Photoshop, functional tests would cover all the functionality contained in a feature such as opening files (resolving file paths, determining suitable format filters, passing the file path to the filter) Functionality.

4. System Testing

Test the project as a collective system. For the Photoshop application, an example would be to open a file in a given format, manipulate that file in several ways and then print the file. System tests often combine several functions in an end-to-end process or scenario.

5. Test of performance

Check the performance characteristics of an application, whether the file size, concurrent users or average time to failure. Performance testing can give us a measure of how the application responds to requests and how the application behaves under load.

6. Security Testing

A collection of tests focused on detecting the security of an application, or its ability to protect user assets. Other people consider testing approaches as test methodologies. For example, limit tests (find the limits of a characteristic, then test at that limit, below the limit and above the limit); Test pairwise or combinatorial, in which a tester has a very scientific approach to test the combinations of input variables, etc....

Two fantastic sources to learn more about test methodologies are the Cem Kaner test software (very formal and organized approach to testing) and the lessons learned in software testing by Kaner, Bach, Pettichord, which is less formal but Full of interesting tips on technical software testing.

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