mongodb-memory-server
jest-mock-extended
mongodb-memory-server | jest-mock-extended | |
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9 | 3 | |
2,458 | 782 | |
- | - | |
9.3 | 2.8 | |
13 days ago | 25 days ago | |
TypeScript | TypeScript | |
MIT License | MIT License |
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mongodb-memory-server
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How to test nestjs modules?
In the case of MongoDB there's jest-mongodb that use mongodb-memory-server; for other DBMS, I don't know if it's possible to run an instance in memory.
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My first project, a Dev.to clone built with MongoDB, Express, React, and Socket.io
The only thing really messing is tests. At work we use https://github.com/nodkz/mongodb-memory-server
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How to write tests for applications that use MongoDB as a storage
The final method tries to combine both methods, 1 and 2. It uses an external package MongoDB In-Memory Server for our MongoDB.
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How to test mongoose models with jest and mockingoose
The above test is clear and easy to understand, but the reality is that, while this can be applied to a lot of cases, things get very complicated when you have to start to mock things like dependencies, API calls, etc... And one very tricky case is when you have to test a function that invoke some models from an ODM like Mongoose, like doing some CRUD operations against a database. In some cases a solution could be to use an actual test database, so you don't mock anything but you use real data. The only problem with that is that is assuming that you must have a database at your disposal to run unit tests, and that's not always possible, plus you have to clean the database, and a pletora of other problems. Another solution could be to use a database that lives only in memory and only for the duration of your tests, like the excellent mongodb-memory-server package. But while this will work most of the times, if you deploy your code on any CI/CD you might encounter problems (and I did!). Also a key factor of unit testing, is that you shouldn't rely on external services run them, unlike E2E tests for example. What you should do is to mock most of the dependencies you need, as your goal is to just test the function and no deeper than that.
- Show HN: Mongita is to MongoDB as SQLite is to SQL
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Setup in-memory database for testing Node.js and Mongoose
I've been working on creating an application using Node.js and Mongoose where all data stored in the cloud MongoDB Atlas. My goal was to test API endpoints and write some unit tests, for that I found this package called mongodb-memory-server, which allows me to create a connection to the MongoDB server from my cache folder without a need to use cloud test database or installing mongodb client.
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Testing with MongoDB-Memory-Server
In both articles, the authors refer to nodkz's mongodb-memory-server package.
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MongoDB Animated: Adding and removing elements from arrays
mongodb-memory-server package by @nodkz
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In memory mongoDB for testing
There are a whole lot of configuration options for you to explore with this package here -> https://github.com/nodkz/mongodb-memory-server
jest-mock-extended
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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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Test interceptor
You can use something like jest-mock-extended or @golevelup/ts-jest to mock it, and whether your interceptor has dependencies or not, can be more complex or simpler how you instance it.
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Interface Forge: Mock Data and Fixtures factories using TS
how does this compare to jest-mock-extended?
What are some alternatives?
mongodb-jest-testing - Tests with jest and mongodb
orval - orval is able to generate client with appropriate type-signatures (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification, either in yaml or json formats. 🍺
Docker Compose - Define and run multi-container applications with Docker
ng-mocks - Angular testing library for mocking components, directives, pipes, services and facilitating TestBed setup
indradb - A graph database written in rust
qawolf - 🐺 Create browser tests 10x faster
mongita - "Mongita is to MongoDB as SQLite is to SQL"
graphql-tools - :wrench: Utility library for GraphQL to build, stitch and mock GraphQL schemas in the SDL-first approach
sortedcontainers - Python Sorted Container Types: Sorted List, Sorted Dict, and Sorted Set
mock-inspect - Mocks network requests and allows you to make assertions about how these requests happened. Supports auto-mocking of graphQL requests given a valid schema.
apollo-mongoose-plugin - Apollo GraphQL plugin to add MongoDB query information on the extensions node
graphql-tools - :wrench: Build, mock, and stitch a GraphQL schema using the schema language [Moved to: https://github.com/ardatan/graphql-tools]