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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Främjande av inklusiva webbupplevelser : En jämförelsestudie av automatiserade tillgänglighetstestverktyg i en E2E-integrerad mjukvaruprocess

Engström, Angelica January 2023 (has links)
Att skapa inkluderande webbupplevelser innebär att användare, oavsett förutsättningar, ska kunna uppfatta, förstå sig på, interagera med och kunna bidra till tjänster på webben. För att arbeta med webbtillgänglighet finns uppsatta standarder för att upptäcka och minimera begränsningar. Trots uppsatta standarder tillhandahåller flertalet myndigheter otillgängliga tjänster, vilket sägs bero på inkompetens och resursbrist. Studiens mål är därmed att bidra med kunskap om automatiserade tillgänglighetstestverktygs effektivitet. Verktygen är implementerade inom och för mjukvaruprocesser och har integrerats med ett End-To-End-testverktyg. Studiens mål uppnås med hjälp av en kvantitativ datainsamling inspirerad av Brajniks definition av effektivitet som mäter verktygens exekveringstid, fullständighet, specificitet och korrekthet. Utifrån mätningar på 4 av World Wide Web Consortiums demonstrationswebbsidor baserat på WCAG 2.1 enligt DIGGs tillsynsmanual visar studien att tillgänglighetstestverktygen Pa11y, QualWeb, IBM Equal Access och Google Lighthouse presterar bättre och sämre inom olika områden. Studien uppmärksammar att QualWeb i genomsnitt har kortast exekveringstid med ca 3933 millisekunder. QualWeb har även högst andel genomsnittlig fullständighet (80,94 %) och specificitet (58,26 %). Det verktyg med högst andel korrekthet är Google Lighthouse (99,02 %). Inget av verktygen anses perfekt eftersom samtliga verktyg gör felbedömningar. Studiens slutsats menar därmed att QualWeb är ett effektivare tillgänglighetstestverktyg som kräver komplettering av ytterligare testningsmetoder såsom manuella och användarcentrala tester. / Creating inclusive web experiences means that users, regardless of their circumstances, should be able to perceive, understand, interact with, and contribute to services on the web. To ensure web accessibility, there are established standards to detect and minimize limitations. However, despite these standards, most authorities provide inaccessible services, due to incompetence and resource constraints. The goal of the study is thus to contribute knowledge about automated accessibility testing tools effectiveness. These tools are implemented within and for software processes and are integrated with an End-To-End testing tool. The study achieves its goals through quantitative data collection inspired by Brajnik’s definition of efficiency, measuring the tools’ execution time, completeness, specificity, and correctness. Based on measurements taken from four of the World Wide Web Consortium’s demonstration websites, following WCAG 2.1 according to DIGG’s supervision manual, the study shows that the accessibility testing tools Pa11y, QualWeb, IBM Equal Access, and Google Lighthouse perform better and worse in different areas. The study highlights that QualWeb has the shortest average execution time at approximately 3933 milliseconds. QualWeb also has the highest average completeness (80.94%) and specificity (58.26%). The tool with the highest correctness rate is Google Lighthouse (99.02%). None of the tools are considered perfect, as all of them make mistakes. The study’s conclusion suggests that QualWeb is a more effective accessibility testing tool that requires additional testing methods such as manual, and user testing.
2

Instrumentation and Coverage Analysis of Cyber Physical System Models

January 2016 (has links)
abstract: A Cyber Physical System consists of a computer monitoring and controlling physical processes usually in a feedback loop. These systems are increasingly becoming part of our daily life ranging from smart buildings to medical devices to automobiles. The controller comprises discrete software which may be operating in one of the many possible operating modes and interacting with a changing physical environment in a feedback loop. The systems with such a mix of discrete and continuous dynamics are usually termed as hybrid systems. In general, these systems are safety critical, hence their correct operation must be verified. Model Based Design (MBD) languages like Simulink are being used extensively for the design and analysis of hybrid systems due to the ease in system design and automatic code generation. It also allows testing and verification of these systems before deployment. One of the main challenges in the verification of these systems is to test all the operating modes of the control software and reduce the amount of user intervention. This research aims to provide an automated framework for the structural analysis and instrumentation of hybrid system models developed in Simulink. The behavior of the components introducing discontinuities in the model are automatically extracted in the form of state transition graphs. The framework is integrated in the S-TaLiRo toolbox to demonstrate the improvement in mode coverage. / Dissertation/Thesis / Masters Thesis Computer Science 2016
3

Zajištění kvality webových aplikací pomocí nástrojů automatického testování / Web Applications Quality Assurance Using Automated Testing Tools

Reš, Radim January 2014 (has links)
The subject of this thesis is web applications quality assurance using automated testing tools. The main goal of this thesis is design and implementation solution for automated regression testing of map web application. In the first chapter are described principles of software quality assurance focused to software testing. After that follows chapter about the possibility of automatic software testing based on analysis tools available to support automated testing of web applications. Next chapters of this thesis are devoted to choosing the ideal tool of automated testing, design and implementation of solutions for automated regression testing of web map application.

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