Lightlines
By wondelai

working-with-legacy-code

wondelai2.6k installs

Change untested code without gambling on regressions.

What it does

Guides safe, incremental changes to untested code by establishing tests and breaking dependencies before modifying behavior.

When to use it

Use when changing or testing legacy or untested code, especially when dependencies obstruct a test harness.

How to use it

Give it a change in an untested project; it identifies test points, establishes coverage, and makes the change incrementally.

What you provide

  • An existing project

Good to know

  • advertises something the task does not need

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