Testing and Quality Assurance for Component-Based Software (Artech House Computer Library.)

462 Pages·2003·2.81 MB·English

by  Jerry Zeyu Gao H.-S. Jacob Tsao Ye Wu

Testing and Quality Assurance for
Component-Based Software
ForalistingofrecenttitlesintheArtechHouseComputingLibrary,
turntothebackofthisbook.
Testing and Quality Assurance for
Component-Based Software
Jerry Zeyu Gao
H.-S. Jacob Tsao
Ye Wu
Artech House
Boston • London
www.artechhouse.com
LibraryofCongressCataloging-in-PublicationData
Gao,Jerry.
Testingandqualityassuranceforcomponent-basedsoftware/JerryZeyuGao,H.-S.
JacobTsao,YeWu.
p. cm.—(ArtechHousecomputinglibrary)
Includesbibliographicalreferencesandindex.
ISBN1-58053-480-5 (alk.paper)
1.Computersoftware—Qualitycontrol. 2.Computersoftware—Testing. I.Tsao,H.-S.J. II.Wu,Ye. III.
Title. IV.ArtechHousecomputerlibrary.
QA76.76.Q35G382033
005.1’4—dc22 2003057725
BritishLibraryCataloguinginPublicationData
Gao,Jerry.
Testingandqualityassuranceforcomponent-basedsoftware.
—(ArtechHousecomputinglibrary)
1.Componentsoftware—Testing 2.Computersoftwareindustry—Qualitycontrol
I.Title II.Tsao,H.-S.J.(H.-S.Jacob) III.Wu,Ye
005.3’0287
ISBN1-58053-480-5
CoverdesignbyIgorVeldman
©2003ARTECHHOUSE,INC.
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ThefollowingareregisteredintheU.S.PatentandTrademarkOfficebyCarnegieMellonUniversity:Capability
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InternationalStandardBookNumber:1-58053-480-5
LibraryofCongressCatalogCardNumber:2003057725
10987654321
TomywifeTraceyandmylovelysonKevin
TomyparentsMingGaoandYeFangQin
—Jerry Zeyu Gao
TomymotherShu-WenPao,mybrotherHsiao-TzuTsao,
mywifeHueylian,andmychildrenAllisonandJason
—H.-S. Jacob Tsao
TomywifeWanjieandtomylovelydaughterYaYa
—Ye Wu
.
Contents
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Whatisthisbookabout? xvii
Whyhasreuseofthird-partysoftwarecomponentsbecome
popularrecently? xviii
Whyistestingsoftwarecomponentsandcomponent-based
softwareimportant? xviii
Bookorganization xix
Isthisbookforyou? xx
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . xxi
I Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1 Introductiontosoftwarecomponents . . . . . . . . . . . . . . 3
1.1 Theevolutionofsoftwarecomponents 3
1.2 Whyissoftwarecomponentreuseimportant? 5
1.3 Whatisasoftwarecomponent? 6
1.4 PropertiesofsoftwarecomponentsinCBSE 8
1.5 Basicelementsofsoftwarecomponents 11
1.6 SoftwaremodulesversussoftwarecomponentsinCBSE 13
1.7 Anengineeringprocessforsoftwarecomponents 17
vii
viii Contents
1.8 Questions,concerns,andneedsincomponentvalidation
andqualitycontrol 19
1.9 Summary 21
References 22
2 Softwarecomponenttesting . . . . . . . . . . . . . . . . . . 25
2.1 Componenttestingbackground 26
2.2 ComponenttestinginCBSE 28
2.2.1 Vendor-orientedcomponenttesting 29
2.2.2 User-orientedcomponenttesting 30
2.3 IssuesandchallengesofcomponenttestinginCBSE 34
2.3.1 Issuesandchallengesinuser-orientedcomponentvalidation 35
2.3.2 Issuesandchallengesinvendor-orientedcomponenttesting 38
2.4 Componenttestingmythsandotherneeds 41
2.5 Summary 44
References 44
3 Introductiontocomponent-basedsoftware. . . . . . . . . . 47
3.1 Introduction 47
3.2 Component-basedsoftwareversustraditionalprograms 49
3.2.1 Propertiesofcomponent-basedsoftware 49
3.2.2 Component-basedsoftwareversustraditionalprograms 53
3.3 Component-basedsoftwareinfrastructure:componentmodel 55
3.4 Engineeringprocessforcomponent-basedsoftware 58
3.4.1 Processmodelsfortraditionalsoftware 58
3.4.2 Aprocessmodelforcomponent-basedsoftware 60
References 65
4 Testingcomponent-basedsoftware . . . . . . . . . . . . . . 67
4.1 Introduction 68
4.2 Issuesandchallengesoftestingandmaintaining
component-basedsoftware 69
4.2.1 Why is adequate testing for component-based software
necessary? 69
Contents ix
4.2.2 Difficulties in adequate testing and maintenance for
component-basedsoftware 71
4.3 Testingmodelforcomponent-basedsoftware 75
4.3.1 Interactionmodel 75
4.3.2 Behaviormodel 77
4.4 Testingandmaintenancemethodologies 79
4.5 Enterprise-basedtestprocessforcomponent-basedsoftware 80
4.6 Summary 81
References 82
5 Testabilityofsoftwarecomponents . . . . . . . . . . . . . . 85
5.1 Basicconceptsofsoftwaretestability 86
5.2 Understandingcomponenttestability 90
5.2.1 Componentunderstandability 91
5.2.2 Componentobservability 91
5.2.3 Componenttraceability 92
5.2.4 Componentcontrollability 95
5.2.5 Testsupportcapability 96
5.3 Designfortestabilityofsoftwarecomponents 98
5.3.1 Understandingoftestablesoftwarecomponents 98
5.3.2 Methodstoincreasecomponenttestability 100
5.3.3 Currentresearcheffortsonbuildingtestablecomponents 102
5.4 Verificationandevaluationofcomponenttestability 105
5.4.1 Staticverificationapproach 107
5.4.2 Statisticverificationapproach 107
5.5 Softwaretestabilitymeasurement 109
5.5.1 Whatissoftwaretestabilitymeasurement? 109
5.5.2 Howtomeasuresoftwaretestability 110
5.6 Summary 113
References 114
II Validationmethodsforsoftwarecomponents . . . . . . . . 117
6 Black-boxtestingmethodsforsoftwarecomponents. . . . 119
6.1 Introduction 119
6.2 Black-boxtestingfoundations 122