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Top 23 TypeScript unit-testing Projects
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For instance, the function addNewProduct(id, name, isDiscount) can be tested with multiple combinations of (number, string, boolean) such as (1, "iPear", false), (2, "Universe XL", true), or (0, undefined, null). By using libraries like fast-check, you can automate property-based testing within your favorite test runner.
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Project mention: pg-mem: in memory Postgres DB instance for your unit tests | news.ycombinator.com | 2025-05-15
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typescript-clean-architecture
It is my attempt to create Clean Architecture based application in TypeScript.
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aws-sdk-client-mock
AWS JavaScript SDK v3 mocks for easy unit testing. 🖋️ Typed 🔬 Tested 📄 Documented 🛠️ Maintained
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nest-clean-architecture
🏛️ Nest.js clean architecture example following some DDD principles with use-cases written in functionnal programming.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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suites
Unit testing framework for dependency injection that automates mocking and simplifies test setup, reducing boilerplate code and enabling developers to build comprehensive and reliable test suites with a standardized, type-safe API
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If you would like to see the starter instantly, here is the link
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nestjs-ecommerce
Example to exercise clean architecture with different databases + cache layer + DDD
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nestjs-materials
NestJS tips, tricks, Notes, Things which are not in doc and I used to figure them out and use them
You can support me by giving my GitHub repo a star, so more developers start writing tests. I am a true believer of automated tests and TDD.
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youtube-react-testing-video8-forms-react-testing-library
Testing Forms (react-hook-form and formik) using React Testing Library
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nodejs-basic-structure
This is a simple project using a few different libraries to create a backend API.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
TypeScript unit-testing discussion
TypeScript unit-testing related posts
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How to Run Tests in Visual Studio Code: A Complete Guide
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NestJS + gRPC + step by step guide + e2e tests
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Vest: Declarative validations framework inspired by unit testing libraries
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superfetch: 🐕 HTTP Server testing library inspired by node-supertest-fetch.
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superfetch: 🐕 HTTP Server testing library inspired by node-supertest-fetch.
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Which form package compatible with Vue 3 has the best developer experience?
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[Help] JavaScript DOM Simple Form Validation
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A note from our sponsor - Sevalla
sevalla.com | 1 Sep 2025
Index
What are some of the best open-source unit-testing projects in TypeScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | fast-check | 4,593 |
| 2 | Vest | 2,614 |
| 3 | pg-mem | 2,214 |
| 4 | typescript-clean-architecture | 1,470 |
| 5 | poku | 1,107 |
| 6 | aws-sdk-client-mock | 887 |
| 7 | nest-clean-architecture | 721 |
| 8 | suites | 432 |
| 9 | quasar-testing | 180 |
| 10 | nixt | 115 |
| 11 | Jooks (Jest ❤ + Hooks 🤘🏻) | 84 |
| 12 | factory-js | 71 |
| 13 | nuxt-starter | 57 |
| 14 | edge-mock | 54 |
| 15 | nestjs-ecommerce | 40 |
| 16 | superfetch | 18 |
| 17 | stencil-one | 17 |
| 18 | nestjs-materials | 14 |
| 19 | youtube-react-testing-video8-forms-react-testing-library | 12 |
| 20 | nodejs-basic-structure | 6 |
| 21 | nestjs-auth-flow-blog-post-with-unit-tests | 3 |
| 22 | leapingbunny | 3 |
| 23 | RNJestUnitTesting | 1 |
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