pg-mem
typescript-clean-architecture
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pg-mem | typescript-clean-architecture | |
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14 | 2 | |
1,790 | 1,315 | |
- | - | |
7.0 | 2.1 | |
15 days ago | 7 months ago | |
TypeScript | TypeScript | |
MIT License | MIT License |
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pg-mem
- Setting up PostgreSQL for running integration tests
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Show HN: I open-sourced the in-memory PostgreSQL I built at work for E2E tests
I've used pgmem https://github.com/oguimbal/pg-mem for the last couple of years for the same thing.
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Ask HN: How do you test SQL?
I was wondering the other day how to classify tests that use a test double like pg-mem, which isn't a mock but isn't the Dockerized test DB either :
https://github.com/oguimbal/pg-mem
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How to test nestjs modules?
In my case, I use TypeORM with PostgreSQL, and there's pg-mem to run an instance in memory, it supports most of the common functionality of PostgreSQL but you will need to do some adjustment to your code to be within the limits.
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Working with offline data
Postgres in the browser is possible through pg-mem: "pg-mem is an experimental in-memory emulation of a postgres database" but it also suffers from no persistence. If you can persist to a file somewhere then read it in on startup (and if your local data isn't huge) this might work.
- Pg-mem: An in-memory re-implementation of PostgreSQL in JavaScript
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Haskell as a first timer - Am I missing something ? Or is something broken ?
Dont get me wrong: I am trying to contribute to opensource as well, so I get that supporting small projects can be demanding. There's nothing wrong in not spending your weekends on OS. But not asking for help, nor specifying that a project is unmaintained, nor even answering issues & pull requests for years feels just wrong.
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Ask HN: What Are You Working On?
A pure Javascript in memory emulation of Posgres, to help writing better node tests https://github.com/oguimbal/pg-mem
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pg-mem, an in memory postgres DB instance for your unit tests, is now bound to multiple libraries (Knex, Typeorm, Slonik, pg, pg-promise) ... suggestions for the next one ?
Okay, I had a bit of spare time,I've implemented that, and it is now available with [email protected]
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Zero delay development & unit testing iterations
To get a glimpse of what I'm talking about, you can clone this repo and follow "Development" instructions (by the way this is a small OS lib I maintain, I wrote about it here)
typescript-clean-architecture
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Testing in NestJS with Prisma
In the case of unit tests, you can follow this approach (It's not Prisma but the workflow is the same).
- It is my attempt to create Clean Architecture based application (NodeJS + TypeScript)
What are some alternatives?
NeDB - The JavaScript Database, for Node.js, nw.js, electron and the browser
domain-driven-hexagon - Learn Domain-Driven Design, software architecture, design patterns, best practices. Code examples included
Prisma - Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB
typeorm - TypeORM module for Nest framework (node.js) 🍇
Lowdb - Simple and fast JSON database
nest-clean-architecture - 🏛️ Nest.js clean architecture example following some DDD principles with use-cases written in functionnal programming.
maplibre-gl-js - MapLibre GL JS - Interactive vector tile maps in WebGL2
typescript-express-starter - 📘 Quick and Easy TypeScript Express Starter
database-js - Common Database Interface for Node
node-api-boilerplate - DDD/Clean Architecture inspired boilerplate for Node web APIs
hardhat-gas-reporter - Gas Usage Analytics for Hardhat
typeorm-transactional-cls-hooked - A Transactional Method Decorator for typeorm that uses cls-hooked to handle and propagate transactions between different repositories and service methods. Inpired by Spring Trasnactional Annotation and Sequelize CLS