Testing Qt Model-View Implementations Stephen Kelly July 2010 T - - PowerPoint PPT Presentation

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Testing Qt Model-View Implementations Stephen Kelly July 2010 T - - PowerPoint PPT Presentation

Jun 12, 2023 38 likes •272 views

Testing Qt Model-View Implementations Stephen Kelly July 2010 T esting Model-View Implementations Designing testable code High-level Model-View design T est-drivers and mock objects Unit test execution KDE ItemViews

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Testing Qt Model-View Implementations Stephen Kelly – July 2010

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T esting Model-View Implementations

  • Designing testable code
  • High-level Model-View design
  • T

est-drivers and mock objects

  • Unit test execution
  • KDE ItemViews library
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T esting Model-View Implementations

  • Designing testable code

– Motivation

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T esting Model-View Implementations

  • Designing testable code

– Motivation Class under test Class under test Dependency Dependency Test driver Test driver Dependency Dependency Dependency Dependency

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T esting Model-View Implementations

  • Designing testable code

– Motivation Class under test Class under test Dependency Dependency Test driver Test driver Dependency Dependency Dependency Dependency

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T esting Model-View Implementations

  • Designing testable code

– Motivation – Abstraction Class under test Class under test Fake Dependency Fake Dependency Test driver Test driver Fake Dependency Fake Dependency Fake Dependency Fake Dependency

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T esting Model-View Implementations

  • High-level Model-View design

– Separation of concerns Model Model View View Delegate Delegate Selections Selections

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T esting Model-View Implementations

  • High-level Model-View design

– Separation of concerns Model Model View View Delegate Delegate Selections Selections Object store Object store

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T esting Model-View Implementations

  • High-level Model-View design

– Separation of concerns Model Model View View Delegate Delegate Selections Selections Fake Object store Fake Object store

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T esting Model-View Implementations

  • High-level Model-View design

– Separation of concerns Model Model Test driver Test driver Fake Object store Fake Object store

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T esting Model-View Implementations

  • T

est drivers and mock objects

– Real-world model view EMail Model EMail Model Email view

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T esting Model-View Implementations

  • T

est drivers and mock objects

– Real-world model view EMail Model EMail Model Test Driver Test Driver

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T esting Model-View Implementations

  • T

est drivers and mock objects

– Real-world model view – Dependency injection EMail Model EMail Model Test Driver Test Driver Fake Data Fake Data

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T esting Model-View Implementations

  • High-level Model-View design

– Separation of concerns – Abstraction Proxy Proxy View View Model Model

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T esting Model-View Implementations

  • High-level Model-View design

– Separation of concerns – Abstraction Proxy Proxy View View Model Model

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T esting Model-View Implementations

  • High-level Model-View design

– Separation of concerns – Abstraction View View Model Model

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T esting Model-View Implementations

  • T

est drivers and mock objects

– Real-world model view – Dependency injection Proxy Proxy View View Model Model

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T esting Model-View Implementations

Test driver Test driver Fake Model Fake Model Proxy Proxy

  • T

est drivers and mock objects

– Real-world model view – Dependency injection – setSourceModel(new FakeModel);

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T esting Model-View Implementations

  • KDE ItemViews test suite

– Fake source model (interpreter pattern) – Fake selection model – ProxyModelT

est

– ModelSpy

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T esting Model-View Implementations

  • KDE ItemViews

– KSelectionProxyModel – KDescendantsProxyModel – KReparentingProxyModel

  • KDE ItemViews test suite

– Fake source model (interpreter pattern) – Fake selection model – ProxyModelT

est

– ModelSpy

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T esting Model-View Implementations

  • Unit test execution

– Multiple executions – Configurable tests for configurable proxies – Individually executable – Re-usable

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T esting Model-View Implementations

  • Summary

– Dependency injection – Simplify complex systems – 1,000's of tests – Re-usable – kdelibs/kdeui/tests/proxymodeltestapp

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T esting Model-View Implementations

Questions & Answers