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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.
51

Testdrivenutveckling i industrimiljö : Erfarna och oerfarnautvecklares perspektiv

Starefeldt, Peter January 2017 (has links)
Test driven development [TDD] is an iterative technique where unit   tests are written before production code. General idea is that quality,   especially code design, improves with usage of TDD. Previous studies have had   difficulties proving these benefits. Qualitative studies about TDD are rare   and a deeper understanding how developers’ view relates to usage of TDD has   been sought after. How experience affects usage and perception about TDD is   of particular interest, and the study’s basis. Semi-structured interviews were conducted with three experienced and   three inexperienced developers in a qualitative survey study. Obvious   differences could be determined by letting those groups represent the   experience range that exists. A deductive thematic analysis was performed with   the help of a theoretical framework. Results show that   workplace’s culture greatly affects how TDD is used. TDD is not commonly used   and low adherence to protocol is also made visible. Differences in basic view   about TDD is evident as well – creation of the code’s design is starting   point for experienced developers, inexperienced use TDD as a tool in creation   of unit tests and to control system correctness. / Testdriven utveckling [TDD]   är en iterativ teknik där enhetstest skrivs före produktionskod. Tanken är   att kvalité och framförallt design av kod förbättras vid användning av TDD.   Tidigare studier visar svårigheter att bevisa dessa vinster. Kvalitativa   studier är ovanliga i forskning om TDD och en djupare förståelse hur TDD   används från utvecklarens synvinkel har eftersökts. Hur erfarenhet påverkar   användning och uppfattning om TDD är särskilt intressant, och fungerar som   studiens grund. Semistrukturerade   intervjuer utfördes med tre erfarna och tre oerfarna utvecklare i en   kvalitativ tvärsnittsstudie. Genom att låta grupperna representera det   erfarenhetsspann som existerar kunde tydliga skillnader synliggöras. En   deduktiv tematisk analys genomfördes med hjälp av ett teoretiskt ramverk. Studien visar framförallt   att arbetsplatsens kultur påverkar stort hur TDD används. TDD används inte i   särskilt stor utsträckning och låg regelmässighet blev även synliggjort.   Förutom detta visades skillnader i grundläggande syn över TDD – skapande av   kodens design är utgångspunkt för erfarna utvecklare, oerfarna använder TDD   som verktyg att skapa tester och kontrollera systemets korrekthet.
52

Queued and Pooled Semantics for State Machines in the Umple Model-Oriented Programming Language

Alghamdi, Aliaa January 2015 (has links)
This thesis describes extensions to state machines in the Umple model-oriented programming language to offer queued state machines (QSM), pooled state machines (PSM) and handing of the arrival of unexpected events. These features allow for modeling the behavior of a system or protocol in a more accurate way in Umple because they enable detecting and fixing common design errors such as unspecified receptions. In addition, they simplify the communication between communicating state machines by allowing for asynchronous calls of events and passing of messages between state machines. Also, a pooled state machine (PSM) has been developed to provide a different policy of handling events that avoid unspecified receptions. This mechanism has similar semantics as a queued state machine, but it differs in the way of detecting unspecified receptions because it helps handling these errors. Another mechanism has been designed to use the keyword ‘unspecified’ in whatever state of a state machine the user wants to detect these errors. In this thesis, the test-driven development (TDD) process has been followed to first modify the Umple syntax to add ‘queued,’ ‘pooled,’ and ‘unspecified’ keywords to Umple state machine’s grammar; and second, to make a change to the Umple semantics in order to implement these extensions in Umple. Then, additional modifications have been made to allow for Java code generation from those types of state machines. Finally, more test cases have been written to ensure that these models are syntactically and semantically correct. In order to show the usefulness and usability of these new features, an example is shown as a case study that is modeled using the queued state machine (QSM) besides other small tests cases.
53

Prototyp informačního systému pro exekutorské úřady / A Prototype of Information System for Executor Offices

Bezděk, Dušan January 2016 (has links)
This master's thesis deals with analysis , design and implementation of information system for bailiff office . The system provides functionality for managing bailiff's files , their subjects , appropriate documents , financial requirements and cooperation with third parties . Moreover , the system enables communication with data boxes for receiving and sending messages and performing vetting in registers of economic subjects . The application implements also multitenant architecture , which means the system can serve multiple offices . The information system is realised as a web application in ASP. NET MVC technology and written in C\# language . The client side of the application is composed of AngularJS and Bootstrap frameworks .
54

Webbportal för nätverks-övervakning : Utveckling av en Single Page Application i .NET och JavaScript / Web Portal for Network Monitoring : Development of a Single Page Application. NET and JavaScript

Borgström, Joakim, Gerdin, Stefan January 2013 (has links)
I detta projekt jobbar vi för att skapa ett program åt Infozone Sverige AB tillsammans med professionella utvecklare från företaget. Programmet är en webbportal som används till att övervaka och visa driftinformation om ett nätverk. Tanken är att denna portal skall integreras i ett ännu ej byggt system för nätverksövervakning som Infozone senare kan sälja till kund. Produkten tas fram med Scrum samt testdriven utveckling och under utvecklingen jobbar laget med bestämda metoder och SOLID-principerna för att säkerställa programmets kvalitet. Webbportalen utnyttjar moderna teknologier och ramverk för webbutveckling, bland annat är den en Single Page Application (SPA), använder följsam webbdesign och utnyttjar Microsofts .NET-plattform. I slutändan är inte alla ställda krav uppfyllda, men i och med att Scrum används är programmet fungerande vid projektets avslutande. De krav som faktiskt implementeras görs så till fullo. Vidare visar det sig att det inte alltid är bäst att använda de senaste ramverken, utan mer beprövade metoder och teknologier kan i vissa fall vara mer lämpliga. / In this project we are creating a program for Infozone Sverige AB together with professional developers from the company. The program is a web portal which will be used to monitor and show system status of a network. The plan is that this web portal will be integrated into a not yet built network monitoring system which Infozone later can sell to their clients. The product is developed using Scrum together with test-driven development and during the development the team is working with certain methods and the SOLID principles to ensure the quality of the program. The web portal takes advantage of modern technologies and frameworks for web development, among other things it is a Single Page Application (SPA), uses responsive design and Microsoft’s .NET platform. In the end not all requirements are met, but because we are using Scrum, the program is functioning at the end of the project. The requirements that are implemented, are fully so. Furthermore, it is shown that it is not always best to use the latest frameworks, but the more tested methods and technologies can in some cases be more appropriate.
55

Test vid utveckling av IT- system : En studie om metoder och arbetssätt för low-level test / Test in Development of IT systems : A study of methods and procedures for low-level test

Vega Ledezma, Madeleine, Arslan, Murat-Emre January 2014 (has links)
Test av informationssystem är en viktig del inom systemutvecklingsprocessen för att minimera felaktigheter och förbättra tillförlitligheten av system. Trafikverkets IT enhet hade ett fastställt och strukturerat testarbete för high-level test däremot hade de inte ett fastställt strukturerat testarbete inom low-level test. Vi fick i uppdrag att undersöka metoder och arbetssätt som fanns inom low-level test. Vi skulle också jämföra system som genomgått ett strukturerat testarbete inom low- och high-level test mot system som genomgått ostrukturerat low-level test och strukturerat high-level test. Målet med examensarbetet var att föreslå lämpliga metoder och arbetsätt inom low-level test för Trafikverkets IT enhet. Målet var också att ge en rekommendation ifall ett strukturerat testarbete inom low- och high-level var att rekommendera i jämförelse mot system som genomgått ostrukturerat low-level test och strukturerat high-level test. Genom litterära studier och intervjuer med Trafikverkets resurser genomförde vi vår undersökning och kom fram till vårt resultat.Vår rekommendation för Trafikverket IT var att de ska använda sig utav testdriven utveckling eftersom utvecklarna var osäkra på vad som skulle testas och metoden skulle klargöra detta. Dessutom ville de ha valmöjligheter och riktlinjer som skulle ge dem en mer bestämd arbetsstruktur. Vi rekommenderar också en anpassning av Self-Governance ramverket där aktiviteter väljs ut för varje projekt av en metodansvarig eller projektansvarig (Scrum Master) som bestämmer vilka aktiviteter som ska utföras på individ- och gruppnivå. / Testing of information systems is an essential part of the system development process to minimize errors and improve the reliability of systems. Trafikverket IT unit had a structured testing in the test phase high-level, however, they had not a structured testing in the development phase, low-level tests. We were assigned to examine methods and working methods in low-level test. We also would compare systems that had undergone a structuredtesting in low-and high-level test against systems that had undergone an unstructured low-leveltest and structured high-level test.The goal of the thesis was to propose appropriate method/methods in low-level test for Trafikverket IT unit. The goal was also to make a recommendation if a structured testing in low-and high-level were to be recommended in comparison with systems that had undergone unstructured low-level test and structured high-level test. Through literary studies and interviews with Trafikverket employees we reached our result. Our recommendation for Trafikverket IT is that they should use test-driven development because developers were unsure of what should be tested and the method would make thisclear. The developers also wanted to have options and guidelines that would give them a definite work structure. We also recommend an adaptation of the Self-Governance frameworkfrom where activities can be selected from each project manager (Scrum Master) that determines which activities will be performed in individual- and group level for each project.

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