Software testing can be stated as the process of verifying and validating whether a software or application is bug-free, meets the technical requirements as guided by its design and development, and meets the user requirements effectively and efficiently by handling all the exceptional and boundary cases. The process of software testing aims not only at finding faults in the existing software but also at finding measures to improve the software in terms of efficiency, accuracy, and usability. It mainly aims at measuring the specification, functionality, and performance of a software program or application.
Software testing can be divided into two steps-
Verification: “Are we building the product, right?”
Validation: “Are we building the right product?”
Software Testing is Important because if there are any bugs or errors in the software, they can be identified early and can be solved before delivery of the software product. Properly tested software product ensures reliability, security, and high performance which further results in time-saving, cost-effectiveness, and customer satisfaction.
Testing is important because software bugs could be expensive or even dangerous. Software bugs can potentially cause monetary and human loss, and history is full of such examples.
Software Testing can be broadly classified into two types-
The biggest pro of automation testing over manual testing is that it allows you to do more testing in less time. It increases productivity and expands how much you can test.
Users choose automated testing over manual testing mainly because of time. Automated testing was developed because manual testing is so time-consuming. Automated testing is much faster.Manual testing is very time-consuming. As software engineering demands have grown, automated testing became a necessity to keep up with the pressure and go-to-market needs.
Automated testing reduces repetitive manual tasks during the testing phase.
However, automated testing does require some manual work during the implementation stage.
Testers need to manually create the baseline testing scripts.
Test scripts are written in code like Java, JavaScript, Python, or C#. Writing test scripts can be complex, so in automated testing, specialized tools help testers develop code and test scripts.
Plus, test scripts can be reused. This adds efficiency further down the line.
Test automation tools have come a long way. They can now automate even highly advanced tests, thanks to real user simulation technology.
This includes:
The biggest pro of manual testing over automation or continuous testing is its focused attention. When a tester is manually creating and executing tests, there is more ability to handle complex and nuanced test scenarios.
While automated testing has advanced dramatically in its ability to handle sophisticated testing, sometimes only manual testing can be used. In manual testing, there is a lower risk for false negatives. (More false negatives can create extra work for DevOps teams to validate whether a reported error is true or false.)Repetitive, high-frequency tests can easily be automated. But tests should not be automated if they occur infrequently, are high risk, or are subject to change.
Here are some instances when you would want live testing instead of automated testing:
Automation testing will not replace manual testing. You need both manual and automation testing. Manual testing handles complex test cases, while automated testing handles simpler, more repetitive tests.
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