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Chapter 12

Describes how to build applications that are easy to test and how to design appropriate tests.

Introduction

Designing Applications that Support Testing

Guidelines for Testability

Use Modularity to Constrain Testing Scope

Build Upon Proven Modules Where Possible

Always Develop Written Specifications

Make All Interfaces Programmatically Accessible

Constrain Concurrency and Asynchronicity

Use Strong Typing

Design Error Handling Reliably

Establish and Follow Coding Standards and Guidelines

Guidelines for Writing Self-Documenting Code

Always Use Accurate and Descriptive Names

Use the Public-Private Naming Convention

Make Type Declarations as Precise as Possible

Organize Your Module

Include Well-Selected Comments

Testing Incrementally During the Implementation Phase

Developing Test Suites During the Deployment Phase

Testing for Regressions During Software Upgrades

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