A Complete Guide to Functional Testing
A Complete Guide to Functional Testing
The functional or requirement specifications help define what QA engineers consider acceptable while running functional tests. These specifications are a document that tells the QA engineers what actions they must take to determine the conformance of the software system. This document can also ask them to run tests on specific business side scenarios for an overall system picture. Hence, we understand that QA engineers can carry out functional testing in two ways: - Requirements-based functional testing: This method contains instructions on validating the software system's functional aspects. - Business scenarios-based functional testing: This method contains instructions on validating the software system based on business scenarios. Functional testing is software testing that ensures a software system works according to its given specifications. This test's primary goal is to test the functional aspects of the application's software by providing the input and verifying the output based on requirements. This test does not concern itself with the application's source code and mainly involves black box testing. It checks the APIs, security, client/server communication, database, UI, and other application functionalities. Testers can run functional tests either by using automation or manually. What do you test in Functional Testing? Testers primarily run functional testing to check the software system's functionalities. The areas this testing concentrates on are: - Accessibility: Runs accessibility checks on the system to see if it meets accessibility requirements. - Error Conditions: Whenever there is an error, the system usually provides a valuable error message. This test validates that your system works well and provides the appropriate error messages to debug. - Mainline functions: The system has no value if its main functions do not work well. This testing runs to ensure this does not happen. - Basic Usability: The test runs a usability test to ensure that users navigating your system can do so seamlessly. The Different Functional Testing Types - Unit Testing - Smoke Tests - Sanity Tests - Regression Tests - Integration Tests - Usability Testing Functional testing generally follows the steps mentioned below: - Determine which aspect of the software system the testers need to test. These aspects or functionalities can vary from error conditions, product usability, messages, or central functions. - Create input data according to specific requirements for the functionalities that need testing. - Based on the outlined requirements, determine which output parameters are acceptable and which ones are not. - Execute test cases. - Finally, compare the expected output with the actual result you receive from the test. Tracking this will reveal if your software system works well.
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A Complete Guide to Functional Testing
- 1. A Complete Guide to Functional Testing © 2022 HeadSpin. All Rights Reserved
- 2. Introducing Functional Testing Functional testing addresses particular aspect of the user experience, accessibility, and performance, so when your users receive the app's final version, they can be sure that it works seamlessly. Functional Testing is an essential aspect of application development and helps ensure the app that you are building is stable and works well © 2022 HeadSpin. All Rights Reserved
- 3. Requirements-based - This method contains instructions on validating the software system's functional aspects What is Functional Testing? The functional or requirement specifications help define what QA engineers consider acceptable while running functional tests. These specifications are a document that tells the QA engineers what actions they must take to determine the conformance of the software system QA engineers can carry out functional testing in two ways: © 2022 HeadSpin. All Rights Reserved Business scenarios-based - This method contains instructions on validating the software system based on business scenarios.
- 4. What do you test in Functional Testing? Testers primarily run functional testing to check the software system's functionalities. The areas this testing concentrates on are: Accessibility Error Conditions Mainline functions Basic Usability Runs accessibility checks on the system to see if it meets accessibility requirements. This test validates that your system works well and provides the appropriate error messages to debug. The system has no value if its main functions do not work well. This testing runs to ensure this does not happen. The test runs a usability test to ensure that users navigating your system can do so seamlessly. © 2022 HeadSpin. All Rights Reserved
- 5. WHAT ARE THE DIFFERENT FUNCTIONAL TESTING TYPES? Unit Testing Regression Tests Sanity Tests Usability Testing Smoke Tests Integration Tests 1 2 3 4 5 6 © 2022 HeadSpin. All Rights Reserved
- 6. Process Workflow for Functional Testing Functional testing generally follows the steps mentioned below: © 2022 HeadSpin. All Rights Reserved ➢Determine which aspect of the software system the testers need to test. ➢Create input data according to specific requirements for the functionalities that need testing. ➢Based on the outlined requirements, determine which output parameters are acceptable and which ones are not ➢Execute test cases ➢Compare the expected output with the actual result you receive from the test.
- 7. Functional Testing Techniques 1 System Tests Equivalence test Boundary Value Tests Decision-based tests Ad-hoc Tests 2 3 4 5 © 2022 HeadSpin. All Rights Reserved
- 8. Advantages of Functional Testing • This test reproduces the product in a live environment, and its focus is on the operating system, browsers, system specifications, and more. • It does not work on hypotheticals and deals directly with the system's structure. • Organizations can deliver high-quality products through this testing methodology. It enables them to meet customer requirements and ensure customer satisfaction. • This test helps organizations deliver a bug-free product and one that meets all the customer's requirements. • Risk-based testing ensures a decrease in the chances of risk. © 2022 HeadSpin. All Rights Reserved
- 9. AUTOMATION AFFECTS THE TESTING PROCESS The HeadSpin platform provides actionable insights that your developers can use to their benefit. AUTOMATION STICKS TO THE TIMELINE: With automation meeting its timelines, developers can organize more tests AUTOMATION LETS YOU ADD SEVERAL TEST CASES: Organizations can identify their needs and accordingly increase the test cases. AUTOMATION HELPS IMPROVE APP QUALITY: The more often you run tests, the better the quality of your final product Why Automate Functional Testing? © 2022 HeadSpin. All Rights Reserved
- 10. The HeadSpin Platform allows you to connect to real devices from around the world. You can run multiple tests in tandem. It integrates seamlessly with your CI/CD workflows, enabling functional testing both pre and post- release. Our machine learning provides detailed insights, automatically highlighting issues and pointing out the underlying root cause; this enables developers to get straight to the problem and fix it, thus significantly improving time to market. Conclusion © 2022 HeadSpin. All Rights Reserved
- 11. © 2022 HeadSpin. All Rights Reserved Check out our other Interesting PPT Why is End-to-End Testing Crucial for Banking Apps? Thank you! Reference blog : https://www.he adspin.io/blog/a -complete- guide-to- functional- testing