Abstract
Early detection of faults in Software Development Life Cycle (SDLC) can significantly reduce the cost and shorten the time to deliver a certain product to market. Requirement based testing involves using requirement as the basis for generating test cases. This paper present a systematic review of requirement based testing exploring the hidden capabilities and challenges of the research that has been accomplished over the years. The study attempts to reveal the facts about Requirement based test case generation and presents critical evaluation of the proposed methods by researchers.
INTRODUCTION
In current practice, requirements are the source of from which test cases are derived manually, but this is so laborious and costly process [1]. With such drawbacks in mind, it is imperative to develop automatic testing technique, as manual deriving methods are laborious and fallacious. Testing process includes test case generation, test execution, and test evaluation [4]. As customers demand more reliable, high efficient and low cost software products, the success of product engineering in the software industry is based upon good quality assurance [2].
Two modes are applied in generation of software products. In conventional way of Software Development Life Cycle (SDLC), testing software is carried out at later stage; however, it is very expensive, as high cost is incurred upon correction of errors. In second mode, i.e. Object Oriented Software Development (OOSD), testing is carried out at an early stage, soon after system requirements are available. It would surely eliminate the unwanted delay, confronted in the former mode. Along with this it would keep the errors to the minimum level and cost of fixing errors as wel...
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...n Software Testing, Verification, and Validation
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Gang Liu, Shaobin Huang, Xiufeng Piao “Study On Requirement Testing Method Based On Alpha-Beta Cut-off Procedure” 2008 IEEE
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Develop a test strategy for testing the entire application chosen in unit 3 for analysis and design. Keep in mind that testing that involves users should minimize their time commitment while obtaining essential information from their involvement. Specifically define roles, responsibilities, timing, and test strategy for each level of testing.
The project is going I am working is almost in the finish stage it is going into the production phase means getting to the live so that the users can able to use the application. After the developing the total code it will go to the testing phase where the testers will check the code is working properly without any errors actually the testers task is to check the code and submit to the developers if they found any errors or mistakes or else they will send the code to the production phase to deploy in the server to check the application.
Another process activity useful for the prediction of changes is requirements-driven impact analysis or RIDA, for short. This analysis is used to pinpoint which software entities need to be altered in order to be able to implement a certain requirement (Lindvall, 1998). RIDA, which is conducted during the release planning phase, takes two variables into consideration. Firstly, there is the input, which refers to the existing complex system and the set of requirements. Secondly, there is the output, which represents the specific software entities that have to be changed to meet each requirement.
Controlled Requirement Expression (CORE) was developed for the British Aerospace programs while the UK Ministry of Defence was carrying out a requirement analysis (Hull et al., 2010). The fundamental component of the CORE methodology is viewpoints as different users see systems in different ways. There are many different stakeholders involved in a system; using CORE methodology involves finding all the different viewpoints of those stakeholders that have an interest in the system whether it’s a person, role or organisation ext.… (Sommerville and Sawyer, 2000). By organising viewpoints hierarchy it assists experts to read the scope and supports the analysis process. CORE Methodology is extensively used for real time system requirements specification.
Finally, a Requirement Specification document is created which serves the purpose of guideline for the next phase of the model.
Santana, E., Tanaka, S., Guerra, e., Fernandes, C. and Silveira, F. (2009) “Towards a Practical Approach to Testing Pointcut Descriptors With JQuati”, In Latin American Workshop on Aspect-Oriented Software Development, 3, Fortaleza.
Working on requirement gathering, requirement analysis, high level and granular level mapping, gap analysis, setups, functional and technical extensions and modifications, unit testing, stress testing, integration testing, and CRP’s related to the split scenario and post production data cleansing.
While developing a software many complex activities are required which in turn have dependencies along them. Large software projects require the involvement of programmers, documentation specialists, program managers, architects, database analysts, system analysts, , and trainers and last but not the least testers. Along with their independent responsibilities these persons are also responsible to maintain and keep a check on the software system quality as well.
Because industries everyday are constantly coming up with new innovative ideas to make life for us better we have to find new ways of testing these improvements. With new ideas and parts being built a standard is created. This standard becomes the requirement that a tested part must meet. The SWIs help by creating a standard on how the machine runs the test,
The systems planning phase is the first phase completed in the SDLC. It encompasses evaluating the feasibility and the cost of the system, identifying the risks involved with implementing the system, and determining the responsibilities of each of the team members. To begin the planning phase, a systems request is submitted to the IT department, detailing the problems and changes to be made in a system. (Rosenblatt, 2014). It is important to note that the request may be a large, significant request, or it can be a smaller, more minor request; however, each request should be addressed using the systems development life cycle. After the request has been made, a feasibility study is conducted that determines the costs and benefits of the new or improved system. The study then recommends a strategy that is best for the system in terms of technical, monetary, and time factors.
The Systems Development Life Cycle (SDLC) consists of phases used in developing a piece of software. It is the plan of how to develop and maintain software, and when necessary, replace that software. In 2007 during my hospital’s transition to a new software system, I was fortunate enough to be included in the process. I did not get involved until the implementation phase, but from then on, until now, I remain very active in the process. I decided to highlight the Waterfall Model of SDLC. The Waterfall Model is a “sequential development process” with each phase continuing in a line (McGonigle and Mastrian, 2012, p. 205).
Given the time, it takes to develop large sophisticated software systems it not possible to define the problem and build the solution in a single step. Requirements will often change throughout a projects development, due to architectural constraints, customer’s needs or a greater understanding of the original problem. Iteration allows greater understanding of a project through successive refinements and addresses a projects highest risk items at every stage of its lifecycle. Ideally each iteration ends up with an executable release – this helps reduce a projects risk profile, allows greater customer feedback and help developers stay focused.
As more companies that are leading technology are transforming from the traditional waterfall development model to an Agile software methodology, requirements engineering provides a process for software engineers to understand the problems they need to solve (Martin, Newkirk, & Koss, 2014). It is of key importance to understand the customer 's wants and needs before beginning designing or building the computer-based solution, as developing a solution that ignores the customer’s needs provides value to none of the parties involved. Thus, the intent of requirements engineering is to produce a written understanding of the customer 's problem (Pressman, 2010). Work products that are available to communicate this understanding include user scenarios, function and feature lists, analysis models, and specifications. This paper provides an evaluation of requirement patterns, an assessment of problem solving techniques most effective, a descriptive explanation of the patterns that includes a visual taxonomy, and an explanation of how the patterns identified are related.
Software development follows a specific life cycle that starts with designing a solution to a problem and implementing it. Software testing is part of this software life cycle that involves verifying if each unit implemented meets the specifications of the design. Even with careful testing of hundreds or thousands of variables and code statements, users of software find bugs. “Software testing is arguably the least understood part of the development process” and is also a “time-consuming process that requires technical sophistication and proper planning” (Whittaker 71) It is important to comprehend this concept by understanding the different characteristics and aspects of software testing, and then to examine the techniques, procedures and tools used to apply this concept. This will enable the user to realize the problems faced by software testers and the importance of software testing.
Ravitch, Diane “In Defense of Testing.” Forming a Critical Perspective, Ed, Ann Spurlock. 1st. Boston, MA: Pearson Learning Solutions, 2010. 194-195. Print.