Software Testing and Automation - Software Testing and Testing Automation

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Testing Automation Benefits and Methods

Test Automation is a key for saving time and bringing products on time and maintaining them with less resources and cost.

Some of the benefits of testing automation are as below:

Time to Market: Testing automation helps in getting the products on time. Thats why todays world of software business leadership putting more focus on testing and testing automation.
Resource Saving: Testing automation helps in saving resources. Once automation is performed it could me maintained with less skilled personals and the key people then can focus in new techniques.
Complete Testing: Once automated it takes very less effort to run test every release or test cycle.
Test efficiency: Testing by nature is a repetetive process. Thus once automated a set of testcases will always save time for testing them with newer builds.
Reduced Cost:The cost of performing manual testing is prohibitive when compared to automated methods. The reason is that computers can execute instructions many times faster and with fewer errors than individuals. Many automated testing tools can replicate the activity of a large number of users (and their associated transactions) using a single computer. Therefore, load/stress testing using automated methods require only a fraction of the computer hardware that would be necessary to complete a manual test.
Greater Coverage: The productivity gains delivered by automated testing allow and encourage organization to test more often and more completely. Greater application test coverage also reduces the risk if exposing users to malfunctioning or non-compliant software.
Result Reporting: Full-featured automated testing systems also produce convenient test reporting and analysis. These reports provide a standardized measure of test status and results, thus allowing more accurate interpretation of testing outcomes. Manual methods require the user to self-document test procedures and test results.
To free engineers from tedious and redundant manual testing operations.
To speed up a software testing process, and to reduce software testing cost and time during a software life cycle.
To increase the quality and effectiveness of a software test process by achieving pre-defined adequate test criteria in a limited schedule.

To reduce manual testing activities and redundant test operations using a systematic solution to achieve a better testing coverage.

Fundamentals of Software Testing:

Software Testing does not guarantee bug-free product however it-
Is the process used to help identify the correctness, completeness and quality of developed computer software?
Find out difference between actual and expected behavior.
Is the process of exercising software to verify that it satisfies specified requirements of end user and to detect errors
Is the process of revealing that an artifact fails to satisfy a set of requirements
Establishing confidence that a system does what it is supposed to do
Confirming that a system performs its intended functions correctly
Can’t prevent/debug bugs, only detect
Offer advise on product quality and risks
Software Testing maximizes an Organization’s ROI
Increase in confidence of users, clients and management.
Decrease in support staff for maintenance.
Decrease in rework time by filtering error in early phases.
However Software Testing
Does not generalize system behavior
Does not guarantee bug free product
No substitute for good programming
Can't prevent bugs
However when Software Testing is used in combination with good programming, you can deliver software that is of high quality, reliability and has a very low defect rate.

Automated regression testing flow diagram.

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