Then the behaviour is checked by analyzing the devices video output understanding what the viewers would like to view. The tester is only aware of what the software is supposed to do, not how it does it. A settop box stb, also colloquially known as a cable box, is an information appliance device that generally contains a tvtuner input and displays output to a television set and an external source of signal, turning the source signal into content in a form that can then be displayed on the television screen or other display device. Software testing process basics of software testing life. Software testing tutorial testing methods the box approach. Gray box testing is a software testing technique which is a combination of black box testing technique and white box testing technique.
Rf test and measurement, wireless communication, signal processing. Testing takes place in each iteration before the development components are implemented. Software testing methods are traditionally divided into white and blackbox testing. We check how straightforward the pvr or settop box is to install and set up when you first get it home. Its interface is written in xml and javascript using mozilla spidermonkey. Given below are some of the most common myths about software testing. The powerful apis combined with outstanding and timely support made it easy to integrate stbtester into our test environment. White box testing in software engineering software. White box testing a step by step guide with example reqtest.
If you are looking for testing services, you can visit kualitatem for testing services. Black box testing techniques top 8 techniques in black box. So we are going to discuss in this article what is a set top box, stb working and architecture. Witbe technologies for set top box test automation and validation control the quality of every services featured by your stb, all along its lifecycle development stb testing was easier back then. Apr 29, 2020 a major white box testing technique is code coverage analysis. Testing settop boxes and gaming consoles with eggplant functional. Stbtester has helped activevideo to accelerate the continuous integration of the cloudtv software with true settopbox test automation. A set of external backend services helping with the management of. Every developer should know at least 1 of these 7 common software testing types. In black box testing technique, tester is unknown to the internal structure of the item being tested and in white box testing the internal structure is known to tester. Top 10 non functional testing tools pros and cons types. A major white box testing technique is code coverage analysis. Stbtester has helped activevideo to accelerate the continuous integration of the cloudtv software with true set top box test automation.
May 06, 2018 white box testing in software engineering software engineering tutorials last moment tuitions. This software testing guide is the next inline topic to what we have discussed earlier. Set top box tester resume example communications test. Stb testing is the step by step process to test quality of a set top box. Green box testing it is a testing process that exercises a software systems coexistence with others by taking multiple integrated systems that have passed system testing as input and test their required interactions. Witbe technologies for settop box test automation and validation control the quality of every services featured by your stb, all along its lifecycle development stb. Integrated testing equipment for set top boxes the task of testing diagnostic ports for set top cable boxes devices that connect to a television and an external signal, turning the signal into content displayed on a television screen is a crucial step in the manufacturing process for most cable companies. Test steps describe the execution steps and expected results that are documented against each one of those steps. White box testing in software testing linkedin slideshare. White box testing is pretty much the opposite of black. Blackbox testing treats the software as a black box, examining functionality without any knowledge of internal implementation.
Whitebox testing also known as clear box testing, glass box testing, transparent box testing, and structural testing is a method of software testing that tests internal structures or workings of an application, as opposed to its functionality i. The stbtester hdmi node is a test automation appliance for testing settop boxes contents. Its goal is to provide easy access to all kinds of media. White box testing in software engineering software engineering tutorials last moment tuitions. For each software unit testing, the test cases will have to be designed and then executed. Test planning involves producing a document that describes an overall approach and test objectives. Apply to apprentice electrician, quality assurance tester, director of quality assurance and more. Nov 15, 2012 the set top box bootloader is a crucial piece of software actually firmware that is generally burnt into read only memory, usually one time programmable otp that performs not only the vital job of the classic bootstrap power on, boot, launch application for the device but also is fundamental to applying software updates to the system. It identifies areas of a program that are not exercised by a set of test cases. Outlet settopbox stb bootloader management template. A software abstraction helping the writing of test cases by exposing functions. Set top box stb testing overview multimedia devices such as set top boxes, bluray players, and mobile devices contain several technologies like audio, video, and wireless protocols. There is a saying, pay less for testing during software development or pay more for maintenance or correction later. A black box testing technique, where the functionality of an application is tested to generate the desired output by providing certain input is called functional testing.
The above top 10 nonfunctional testing tools offer a clean interface with features. Also a tv modulator is usually used to provide a reliable, known test signal. Our experts test ease of use by running through a range of everyday scenarios that replicate how you use your pvr or settop box. While whitebox testing can be applied at the unit, integration and system levels of the software testing process, it is usually done at the unit level. Intellectuality and creativity cannot be learned, however, one can try to think outofthebox by questioning the application behavior and analyze different sides of the application to understand its working. Software testing is not a routine or mundane task, instead, it is a process that requires creativity and intellectual bend of mind.
Then we look at how easy the onscreen menu and electronic programme guide epg are to navigate. Fortunately, qualitest has the hardware knowledge and experience to detect critical faults at the design stage and provide maximal coverage of the test cases. Testing is a process rather than a single activity. Testing must be planned and it requires discipline to act upon it.
Settopbox stb testing overview multimedia devices such as settop boxes, bluray players, and mobile devices contain several technologies like audio, video, and wireless protocols. Code coverage analysis eliminates gaps in a test case suite. White box testing refers to a scenario where as opposed to black box testing, the tester deeply understands the inner workings of the system or system component being tested. What is fundamental test process in software testing. A set top box stb, also colloquially known as a cable box, is an information appliance device that generally contains a tvtuner input and displays output to a television set and an external source of signal, turning the source signal into content in a form that can then be displayed on the television screen or other display device. Until recently, testing for television hardware and applications was a painstaking manual process. Overall, testing in a project is a complex task which also consumes the maximum e. Tolleson, 85353, az worked in the testing department of a production line. In which several factors of stb are responsible like set top box video quality, audio.
Black box testing and software development life cycle sdlc black box testing has its own life cycle called software testing life cycle and it is relative to every stage of software development life cycle of software engineering. In whitebox testing an internal perspective of the system, as well as programming skills, are used to design test cases. The black box testing of set top boxes usually involves a video capture unit, a server which analyses the video and a system for issuing ir commands to the box. According to wikipedia a settop box stb is an information appliance device that generally contains a tuner and connects to a television set and an external source of signal, turning the source signal into content in a form that can then be displayed on. The internet defines software testing as the process of executing a program or application with the intent of identifying bugs. Hardware design and verification the complexity of testing environments hinges on a structured methodology for hardware testing, results analysis and testing tools. Set top box tester, 092012 to 1220 communications test design inc. Stbtester captures the video from the hdmi output of your device under test a settop box. Currently, the rise of good open source options and the push toward devops and multichannel models are transforming this segment. Therefore, it is vital for testers to plan for the process before initiating. While initiating the set top box testing the issuer issues commands to your deviceundertest. Stbtester accelerates your software development process. Request pdf scenariobased settop box testing this paper presents. Requirement this is the initial stage of sdlc and in this stage, a requirement is gathered.
The role of functional testing is not only to validate the behavior of. This is widely used technique in manual testing these days. Testing, either functional or nonfunctional, without reference to the internal structure of the component or system. Apr 16, 2020 functional testing can be performed either manually or through automation but each process includes testing the application by providing a set of inputs and determining or verifying the resultoutput by comparing the actual result with the expected results. Set top box tester resume example communications test design. Automated product testing is widely used in the production of both hardware and software. Real white box testing is when you understand some of the internals of the system and perhaps have access to the actual source code, which you use to inform your testing and what you target. Procedure to derive andor select test cases based on an analysis of the specification, either functional or nonfunctional, of a component or system without reference to its internal structure. Testing software can provide an independent, objective view of the software, allowing businesses to understand and appreciate the risks of implementing the software. According to wikipedia a set top box stb is an information appliance device that generally contains a tuner and connects to a television set and an external source of signal, turning the source signal into content in a form that can then be displayed on the television screen or other display device. White box testing software quality assurance lecture slides by adil aslam email me.
The quality and effectiveness of software testing are primarily determined by the quality of the test processes used. This type of testing is based entirely on software requirements and specifications. The current features include browsing of photomusicvideo collect. These two approaches are used to describe the point of view that the tester takes when designing test cases. Most popular functional testing interview questions. Black box testing full concept explain in software. Apr 29, 2020 black box testing is defined as a testing technique in which functionality of the application under test aut is tested without looking at the internal code structure, implementation details and knowledge of internal paths of the software. Testing process testing is a quality control activity which focuses on identifying defects which are then removed. The stbtester hdmi node is a test automation appliance for testing set top boxes. Overview of stb in simple words a hardware device which demodulate or decode the signal of headend and provides the output known as stb or set top box. Accordingly, software testing needs to be integrated as a regular and ongoing element in the everyday development process. Stb testing includes both functional and performance tests depending on whether the tests are.
There are many different types of software testing, but which one is right for you. This is the how section of our 4 part ultimate guide to software testing. Scenariobased settop box testing request pdf researchgate. Over the years, ive noticed how process and methodology play an important. The complexity of testing environments hinges on a structured methodology for hardware testing, results analysis and testing tools.
Test automation is one of the most mature software testing segments. Developers, who usually involve in unit testing, develop the test set for testing the internal structure. Red box testing red box testing is widely termed as acceptance. May 25, 2017 testing takes place in each iteration before the development components are implemented. A leading example of such a system is, an opensource tool developed at youview to automate the ui testing of our settop. White box testing also known as clear box testing, glass box testing, transparent box testing, and structural testing is a method of software testing that tests internal structures or workings of an application, as opposed to its functionality i. Every web and software application is in need of the testing process. Following are the techniques adopted to test the internal structure. Basis test set is set of tests derived from the internal structure of a component in order to achieve 100% coverage of a specific criterion. The black box testing of settop boxes usually involves a video capture unit, a server which analyses the video and a system for issuing ir commands to the box. They are used in cable television, satellite television. Nov 25, 2016 white box testing in software testing 1. We have written the ultimate guide to software testing, to help you decide what testing strategies you should be using. Welcome to your stbtester device stbtester user guide.
Because overall the output of digital headend we are measuring on stb. If you are looking for testing services, you can visit kualitatem for testing. Nov 16, 2019 white box testing is the first step of the testing process. Hence, it is generally performed by developers before submitting the project. White box testing is the first step of the testing process. Software testing is used for conducting investigations to provide information about the service being tested or the products quality. This process can be highly invasive and disruptive to the typical behavior of. Check out our enterprise guide to evaluating software testing tools for best practices to ensure a successful evaluation. Apply to software test engineer, quality assurance engineer, quality assurance tester and more. Types of software testing techniques include the process of executing applications. Each step is marked pass or fail based on the comparison result between the expected and actual outcome. While developing the test cases, we usually have the following fields. The settopbox bootloader is a crucial piece of software actually firmware that is generally burnt into read only memory, usually one time programmable otp that performs not only the vital job of the classic bootstrap power on, boot, launch application for the device but also is fundamental to applying software updates to the system.
It can test paths within a unit, paths between units during integration, and between subsystems during a systemlevel test. Require highperformance, automated testing in validation and production to ensure they meet evergrowing consumer expectations. Software testing principles testing the execution of a program to find its faults verification the process of proving the programs correctness. Supercharging television innovation with opensource testing. It is important to have professional testing the program because it helps in finding accurate results. Weve discussed a varied set of topics, and spent quite a bit of time discussing software development methodology agile, waterfall, scrum, vmodel, etc. White box testing is also known as clear box testing, structural testing, codebased testing, open box testing and so on. Feb 06, 2017 the black box testing of set top boxes usually involves a video capture unit, a server which analyses the video and a system for issuing ir commands to the box. A software defined instrumentation approach to settopbox. There is one most important part of digital headend which should be considered, known as stb or set top box. White box testing a step by step guide with example.
Testing is the primary avenue to check that the built product meets requirements adequately. There are many companies out there offering set top box testing, are you looking for testing services or just want a tutorial. Stbtester issues commands to your deviceundertest in the same way a real user does. The main purpose of black box testing is to check whether the software is working as expected and meeting the customer requirements or not. Gaining a deep understanding of the system or component is possible when the tester understands these at program or codelevel. Let us say that we need to check an input field that can.