jest-create-mock-instance
pg-mem
jest-create-mock-instance | pg-mem | |
---|---|---|
2 | 14 | |
31 | 1,807 | |
- | - | |
0.0 | 6.6 | |
about 1 year ago | 13 days ago | |
JavaScript | TypeScript | |
MIT License | MIT License |
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jest-create-mock-instance
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How to test nestjs modules?
Create a mock of the Repository that you're testing, it's the simplest one and the more cumbersome one, you can use a library like jest-create-mock-instance or jest-mock-extended or ts-auto-mock to create a mock from typings, but you're responsible to implement how it supposes to work.
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Can anyone help me to create mockRepository for my findAll createQueryBuilder service method?
I do this way using (jest-create-mock-instance)[https://github.com/asvetliakov/jest-create-mock-instance] to create the mocks, hope it help you
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)
What are some alternatives?
mongodb-memory-server - Spinning up mongod in memory for fast tests. If you run tests in parallel this lib helps to spin up dedicated mongodb servers for every test file in MacOS, *nix, Windows or CI environments (in most cases with zero-config).
NeDB - The JavaScript Database, for Node.js, nw.js, electron and the browser
nest-api-example - Example of an Restful API with Nest.js and TypeORM
Prisma - Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB
nest-graphql-example - Example of GraphQL with Nest.js and TypeORM
Lowdb - Simple and fast JSON database
postgres-wasm - A PostgresQL server running in your browser
typescript-clean-architecture - It is my attempt to create Clean Architecture based application in TypeScript.
jest-mock-extended - Type safe mocking extensions for Jest https://www.npmjs.com/package/jest-mock-extended
maplibre-gl-js - MapLibre GL JS - Interactive vector tile maps in WebGL2
jest-mongodb - Jest preset for MongoDB in-memory server
database-js - Common Database Interface for Node