Mock/Test Mongodb Database Node.js

Question

I am learning nodejs and I have a mongodb database with which i have to interact with. I am currently thinking of using mocha for a unit test framework and zombie.js for a acceptance test framework. I was wondering how could I do full scale acceptance tests which hit the mongodb database. Is there a framework/module that helps with replacing the database with a test database or does either mocha or zombie.js have functionality that can easily be used to replace the database.

Also is there a framework that is similar to the idea of factories (instead of fixtures) in creating database objects.

A similar concept that I have encountered in the rails world is in rspec, there is a spec_helper.rb file which runs before the tests are run which set the projects configuration to decide which database to hit when running tests. And it uses database_cleaner to clean out the test database before tests are run. For factories, i have used Factory girl to create factory objects from database schema again in the rails world.

Thanks

I've created a library to allow factory_girl/machinist behaviour - ectypes (strange word, but it makes sense when you know what it means). It's a bit different to the Ruby world as there's no standard ORM/ODM in Node.js, so you have to define a 'strategy' for the persistence layer. They're not hard to make. I have one for Sequelize at the moment. See github.com/nicholasf/ectypes.js — nicholasf
– nicholasf, Commented Aug 20, 2012 at 9:50

Community · Accepted Answer · 2017-05-23 12:19:26Z

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If your database access is a separate module, you can mock out the module or parts of the module (e.g., the configuration part) using one of the following:

The answers to the following related question lists a number of possible solutions/approaches: How do you mock MySQL (without an ORM) in Node.js?

edited May 23, 2017 at 12:19

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answered Jun 5, 2012 at 22:00

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udo · Accepted Answer · 2018-08-03 12:27:50Z

3

In order to spin up a real in-memory mongodb for testing, https://github.com/nodkz/mongodb-memory-server helps as well.

answered Aug 3, 2018 at 12:27

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