JavaScript Congress • Nov 24, 2021

How to TDD in legacy code

Gil Zilberfeld

Does your old codebase resist test-driven development? Discover how characterization tests and strategic pre-refactoring can safely untangle complex anti-patterns and bring TDD to legacy systems.

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Matching moments

2:02 min

Building test infrastructure for existing legacy projects

Alexandre Borges · World Congress 2023

4:42 min

Identifying scenarios where strict test driven development limits agility

James Bender · LIVE

2:52 min

Navigating legacy projects lacking existing unit tests

Annelore Egger

Annelore Egger · World Congress 2025

8:22 min

Navigating legacy systems and unconventional software testing practices

Philipp-Alexander Blum · LIVE

4:00 min

Adopting test-driven design as a strategic development methodology

Mirjam Aulbach · World Congress 2022

1:27 min

Understanding the fundamental test-driven development loop

Nadeen Hussein

Nadeen Hussein · World Congress 2024

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Upcoming sessions on this topic

Modernize with Confidence: Secure Legacy Modernization in Action

Prince Kumar

IBM

Software Engineer

The 200,000 line code repository: My AI wrote 1000 lines. I needed 100.

Hardik Gupta

IBM

Software Developer

The Illusion of Green: Why AI-Generated Browser Automation Tests Pass Locally but Fail in CI

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BrowserStack

Lead of Open Source and Developer Advocacy

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Best Buy India

Software Engineer

Did the Model Improve, or Just the Score? A Developer’s Guide to LLM Evaluation

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CTO and Co-Founder

Ship Happens: Guardrails for AI-Written Code

Anthony Nguyen

LaunchDarkly

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