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12 Jan 2007 In this document, we will discuss one of the testing phase, integration testing, and its different strategies. Namely decomposition-based integration, call-graph based integration and path-based integration. We will see that for each strategy there are different approaches to achieve the same main concept but
Software errors that cost human lives. • In an interesting study of critical failures, Lutz concludes that interface failures contribute significantly to the overall fault density in a system. The following slides are Lutz's on her analysis of errors in the Voyager and Galileo space probes Stuart Anderson. Integration Testing c 2011
31 Jan 2013 Integration testing focuses on interactions. – Must be built on foundation of thorough unit testing. – Integration faults often traceable to incomplete or misunderstood interface specifications. •Prefer prevention to detection, and make detection easier by imposing design constraints. • Strategies tied to project
Abstract—System integration testing is the process of testing a system by the stepwise integration of sub-components. Usually these sub-components are already verified to guarantee their correct functional behavior. By integration of these verified sub- components into the overall system, emergent behavior may occur, i.e.
POLITECNICO DI MILANO. DOTTORATO DI RICERCA IN INGEGNERIA INFORMATICA E AUTOMATICA. Integration Testing of. Object-Oriented Software. Ph.D. Thesis of: Alessandro Orso. Advisor: Prof. Mauro Pezz`e. Tutor: Prof. Carlo Ghezzi. Supervisor of the Ph.D. Program: Prof. Carlo Ghezzi. XI ciclo
The integration testing phase will make sure when the modules are being integrated together that any problems, for example errors or bugs, caused due to the integration of the modules are eliminated. Integration testing does not deal with the integration of the whole system but deals with the integration of a process in the
INT–2. Integration Testing. ?. Test the interfaces and interactions among separately tested units. ?. Three different approaches. ?. Based on functional decomposition. ?. Based on call graphs. ?. Based on paths
An integration strategy must answer three questions. 0 Which components are the focus of integration test? 0 In what sequence will component interfaces be exercised? 0 Which test design technique should be used to exercise each interface?
Integration testing identifies problems that occur when units are combined. ? By using a test plan that requires you to test each unit and ensure the viability of each before combining units, you know that any errors discovered when combining units are likely related to the interface between units. ? This method reduces the
26 Nov 2004 A unit is the smallest testable piece of software. A unit is defined as a database trigger, stored procedure, function, report, form, batch load program or PL/SQL program. ? Unit testing is the testing that is performed to validate that the unit does satisfy its functional specification and/or that its implementation
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