Gartner Research

Use Test-First Development Processes to Jump-Start Your SDLC

Published: 18 December 2019

Summary

Test-first practices ensure that application technical professionals build the right software the first time, avoiding rework. With the additional reuse benefits of validation and documentation, creating tests before the code provides exceptional value to your development process.

Included in Full Research

  • Test-First Basics
    • Reduction of Waste and Rework
  • Test-First Practices in a Layered Approach to Testing
  • Inside-Out or Outside-In
    • Inside-Out Testing (White-Box)
    • Outside-In Testing (Black-Box)
  • Assessing the Test-First Practices
  • Test-Driven Development (TDD)
    • What Is It?
    • What Is Its Process?
    • What Is Its Main Value and What Other Associated Benefits Does It Have?
    • Who Is Responsible for It?
    • How Does It Fit Into an Automated Pipeline?
    • How Does It Deal With Legacy Code?
    • Are There Risks Associated With This Practice?
  • Behavior-Driven Development (BDD)
    • What Is It?
    • What Is Its Process?
    • What Is Its Main Value and What Other Associated Benefits Does It Have?
    • Who Is Responsible for It?
    • How Does It Fit Into an Automated Pipeline?
    • How Does It Deal With Legacy Code?
    • Are There Risks Associated With This Practice?
  • BDD Alternatives
    • BDD Versus Acceptance-Test-Driven Development (ATDD)
    • BDD Versus Specification by Example (SBE)
  • Tying TDD and BDD Together

Analysts:

Sean Kenefick

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