expect
Write better assertions (by mjackson)
mock-fs
Configurable mock for the fs module (by tschaub)
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| expect | mock-fs | |
|---|---|---|
| 2 | 2 | |
| 2,290 | 897 | |
| - | - | |
| 0.0 | 0.0 | |
| almost 6 years ago | 7 months ago | |
| JavaScript | JavaScript | |
| MIT License | GNU General Public License v3.0 or later |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
expect
Posts with mentions or reviews of expect.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2021-04-21.
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Expect.Js Cheat Sheet
Expect is a library for assertions in tests. See: mjackson/expect
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How to Write File-Based Tests With Real Files
Alright, let's dive into it! First of all you need a testing framework. I'm going to use Mocha here, but you can also use Jest or any other framework of your choice. I'm also using expect for assertions. After that, we'll install some packages that we need to write our tests:
mock-fs
Posts with mentions or reviews of mock-fs.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2021-04-21.
-
How to Write File-Based Tests With Real Files
A lot of my past projects in some way had to do with file access. I started to test with mocking libraries like mock-fs, but soon recognized that they do not work for all cases, and sometimes you are using third party libraries internally that you cannot mock easily. So I thought of a different solution and the one I'm using right now for most projects actually uses real files.
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Unit testing Node.js fs with mock-fs
In this post I'll be showing you how you can use mock-fs to easily unit test your Node.js scripts.
What are some alternatives?
When comparing expect and mock-fs you can also consider the following projects:
with-local-tmp-dir - Creates a temporary folder inside cwd, cds inside the folder, runs a function, and removes the folder. Especially useful for testing.
fs-extra - Node.js: extra methods for the fs object like copy(), remove(), mkdirs()
jest - Delightful JavaScript Testing.
output-files - Output a tree of files and directories by providing an object. Especially useful for testing with real files.
mocha - ☕️ simple, flexible, fun javascript test framework for node.js & the browser
endent - ⬅️ An ES6 string tag makes indentation better