What is Functional Testing? Types & Examples |
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What is Functional Testing? Types & Examples
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What is Functional Testing?
Functional Testing is a type of software testing that validates the software system against the functional requirements/specifications. The purpose of Functional tests is to test each function of the software application, by providing appropriate input, verifying the output against the Functional requirements. Functional testing mainly involves black box testing and it is not concerned about the source code of the application. This testing checks User Interface, APIs, Database, Security, Client/Server communication and other functionality of the Application Under Test. The testing can be done either manually or using automation. What do you test in Functional Testing?The prime objective of Functional testing is checking the functionalities of the software system. It mainly concentrates on – Mainline functions: Testing the main functions of an application Basic Usability: It involves basic usability testing of the system. It checks whether a user can freely navigate through the screens without any difficulties. Accessibility: Checks the accessibility of the system for the user Error Conditions: Usage of testing techniques to check for error conditions. It checks whether suitable error messages are displayed. 1 JIRA Software
On Jira Software Website Time Tracking Yes Drag & Drop Yes Free Trial Forever Free Plan 2 Zoho Projects
On Zoho Projects Website Time Tracking Yes Drag & Drop Yes Free Trial Lifetime Free Plan 3 Monday
On Monday’s Website File Sharing Yes Screen Sharing Yes Free Trial Forever Free Plan How to do Functional TestingFollowing is a step by step process on How to do Functional Testing : Understand the Functional Requirements Identify test input or test data based on requirements Compute the expected outcomes with selected test input values Execute test cases Compare actual and computed expected results
Here are Examples of Functional Testing Types Unit testing Smoke testing User Acceptance Integration Testing Regression testing Localization Globalization Interoperability Functional Vs Non-Functional Testing: Functional Testing Non-Functional Testing Functional testing is performed using the functional specification provided by the client and verifies the system against the functional requirements. Non-Functional testing checks the Performance, reliability, scalability and other non-functional aspects of the software system. Functional testing is executed first Non-functional testing should be performed after functional testing Manual Testing or automation tools can be used for functional testing Using tools will be effective for this testing Business requirements are the inputs to functional testing Performance parameters like speed, scalability are inputs to non-functional testing. Functional testing describes what the product does Nonfunctional testing describes how good the product works Easy to do Manual Testing Tough to do Manual Testing Examples of Functional testing are Unit Testing Smoke Testing Sanity Testing Integration Testing White box testing Black Box testing User Acceptance testing Regression Testing Examples of Non-functional testing are Performance Testing Load Testing Volume Testing Stress Testing Security Testing Installation Testing Penetration Testing Compatibility Testing Migration Testing Functional Testing ToolsHere is a list of popular Functional Testing Tools. They are explained as follows: 1) testRigortestRigor is most advanced codeless UI end-to-end functional testing tool. Automate test cases in plain English, no matter how long or complex they are.
Visit testRigor >> 2) SeleniumPopular Open Source Functional Testing Tool Selenium is an open-source web automation tool, currently in demand, and widely used tool in the market. It is one of the best QA automation tools that can automate across multiple OS Like Windows, Mac, and Linux and browsers like Firefox, Chrome, IE, as well as Headless Browsers. Check our Selenium tutorial.
Visit Selenium >> 3) SoapUIThis is an open source functional testing tool, mainly used for Web service testing. It supports multiple protocols such as HTTP, SOAP, and JDBC.
Download Link: https://www.soapui.org/downloads/download-soapui-pro-trial.html 4) QTP – Very user-friendly Functional Test tool by HP 5) JUnit– Used mainly for Java applications and this can be used in Unit and System Testing ConclusionIn software testing, functional testing, which is a process of testing functionalities of the system, ensures that the system is working as per the functionalities specified in the business document. The goal of functional testing in software testing is to check whether the system is functionally perfect!!! You Might Like: What is Software Testing? 7 Principles of Software Testing with Examples V-Model in Software Testing STLC (Software Testing Life Cycle) Manual Testing Tutorial Automation Testing What is Unit Testing? What is Integration Testing? (Example) |
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