ISTQB Foundation Level Presentation

IT-TEST31.03.2014

What is testing?Finding defects

Gaining confidence about the level of quality

Providing information for decision-making

Preventing defects

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Seven Testing PrinciplesTesting shows precence of defectsExhaustive testing is impossibleEarly testingDefect clusteringPesticide paradoxTesting is context dependentAbsence-of-errors fallacy

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Why does software testing fail?MiscommunicationCoding ErrorsRequirement ChangesSoftware ComplexityTime PressureDocument DeficiencySoftware Development Tools - Deployment

Errors

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Important DefinitionsTest BasisTest ObjectTest PolicyTest StrategyTest PurposeTest ApproachTest Priority&Severity

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When should the testing start?

When should the testing finish?

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How long should test continue?

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Risk and Testing

Project

Risk

Produc

t Risk

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Verification&Validation

Are we built the SW right?Are we built the right SW?

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What is Software Testing Methodologies?

Waterfall ModelV ModelSpiral ModelAgile Model

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Waterfall Model

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V – Model

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Spiral Model

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Agile Model

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Fundamental Test ProcessTest Planning and Control

Test Analysis and Design

Test Implementation and Execution

Evaluating Exit Criteria and Reporting

Test Closure Activities

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Test LevelsComponent Testing

Integration Testing

System Testing

Acceptance Testing

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Test TypesTesting of Function• Functional Testing

Testing of Non-functional Software Characteristcs• Non-functional Testing

Testing of Software Structure/Architecture• Structural Testing

Testing Related to Changes• Re-testing and Regression Testing

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Test Types and Test Levels

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Test Techniques

Test Techniqu

es

Static Techniqu

esDynamic Techniqu

es

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Test Techniques

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Static TechniquesStatic Techniques and the ProcessReview Process

Activities of a Formal ReviewRoles and ResponsibilitiesTypes of ReviewSuccess Factors of Reviews

Static Analysis By Tools

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Specification-based or Black-box Techniques

Equivalence PartitioningBoundary Value AnalysisDecision Table TestingState Transition TestingUse Case Testing

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Activities of a Formal Review

Planning Kick-offIndividual Preperati

on

Review MeetingReworkFollow-up

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Types of Review

Walkthrough

Informal Review

Technical Review

Management ReviewAuditInspection

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Dynamic Test Design TechniquesSpecification-based or Black-box Techniques

Structure-based or White-box Techniques

Experience-based Techniques

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Structure-based or White-box TechniquesStatement Testing and Coverage

Decision Testing and Coverage

Other Structure-based Techniques

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Test Automation DecisionAre the Scenerios Automatable?

Test Execution

Period

Not Possible Cost Much Cost Little

Whenever Possible ?

Regularly ?

Once in while

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Thank You

IT-TEST