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Simplifying Tests by Extracting Side-Effects

Test-driven development, object-oriented design, and functional programming converge on some similar ideas.
Joël Quenneville
February 18, 2021
- Web
- Ruby
- TDD
- Testing
- Functional Programming
- Good Code
Type-Driven Design, Test-Driven Design

TDD purism belongs to the world of dynamic typing.
Mike Burns
February 8, 2021
- Types
- Testing
- TDD
Testing Objects with a Functional Mindset

Some ideas from functional programming can help us improve the unit tests for our object-oriented code.
Joël Quenneville
January 19, 2021
- Web
- Functional Programming
- Testing
- Good Code
- Ruby
Kudos to INDUSTRYconf for these great moments

The thoughtbot team shares what Product Strategy ideas stood out to them from this years INDUSTRYconf.
Kyle Fiedler and Kelly Gebo
October 1, 2020
The Self-Contained Test

Learn how to write tests so they’re easy to read and your colleagues will thank you.
Edward Loveall
May 18, 2020
- Testing
- Good Code
- Ruby
Announcing Fishery – a JavaScript and TypeScript Factory Library

We have just released Fishery, a TypeScript-compatible library for setting up JavaScript objects for use in tests and anywhere else you need to set up data.
Stephen Hanson
February 5, 2020
- TypeScript
- JavaScript
- Testing
- Web
The Case for WET Tests

We can always make our test suite more DRY. But should we?
Amanda Beiner
December 10, 2019
- Testing
- TypeScript
- JavaScript
- React
Faking External Services in Tests with Adapters

When faking external services in tests, start with something simple. I like having a public interface to adapters and having an in-memory adapter for tests. Let me show you an example.
German Velasco
November 28, 2019
- Testing
- Ruby
- Rails
- Web
GraphQL: The Case of the Missing Fields

Because who doesn’t like a good ole mystery?
EJ Mitchell
October 14, 2019
- Testing
- Web
- Architecture
- Debugging
Mocking React components with Jest

Mocking in Jest can be tricky. Mocking React Components in Jest with ES modules can be even tricker. Yet, it’s still possible.
Edward Loveall
September 24, 2019
- React
- Testing
- JavaScript
- TypeScript
- Node.js
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