Sinon.JS
yargs
Sinon.JS | yargs | |
---|---|---|
28 | 38 | |
9,568 | 10,958 | |
0.3% | 0.6% | |
8.2 | 4.4 | |
2 days ago | 15 days ago | |
JavaScript | JavaScript | |
GNU General Public License v3.0 or later | MIT License |
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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.
Sinon.JS
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Unit Testing in Node.js and TypeScript: A Comprehensive Guide with Jest Integration
If you are using a mocking library, such as sinon, jest-mock, or ts-mockito, make sure that it is compatible with Jest. You may need to install additional packages or configure them in your configuration file. For example, to use sinon with Jest, you can install the sinon-jest package and add the following to your configuration file:
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Express API Testing
Mocha is a test runner, Chai is an assertion library, Sinon is a mocking library, this normally the combination you would need to use if you choose mocha, but there are others.
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Alternative to AWS Mock
Instead, use pure functions + dependency inject your stubs (e.g. parameter to function). Also note, no need for Sinon or some other test double library. JavaScript is so good nowadays to easily make objects/classes/functions or any combination thereof on the fly that are terse.
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Unit testing: What to use, and how?
I've had some good experiences with Ava + Sinon. I've personally disliked Jest because it seemed to do some weird trickery in the background that prevented me from using ES modules.
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Can AI help me write tests on legacy code?
๐ค You can use the Mocha testing framework with the Chai assertion library to write tests for your Express controller. You can also use the Sinon library to mock the database calls. This will allow you to test the controller without actually making a call to the database. You can also use the SuperTest library to make HTTP requests to the controller and test the response.
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Need help writing a jest test that mocks an API call which will update state
You can use sinon js to create a mock version of your http library (axios) that responds with the data youโre expecting.
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Unit testing with React and Cypress
Assertions are the checkpoints of our test block that confirm if an automated test has passed or failed. Cypress bundles the Chai, jQuery, and Sinon.JS libraries for assertions. They check the desired, expected application in which the test is running. A complete listing of assertions can be found in the documentation here.
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When to use DI?
ES module is basically a "class" that you inject dependencies into through imports. And for tests you just use something like sinon to swap module dependencies for mocks.
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How to test a function that uses moment to format a date ? usimg karma
You can use a tool like sinon to pass in your own function instead of the real moment library. From there you can write tests that ensure moment was invoked appropriately.
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Typescript boilerplate test configuration with mocha, chai and sinon
Let's configure tests with mocha, chai and sinon on Typescript in a few steps.
yargs
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A Guide to Building CLI Tools in JavaScript
Your tool now automates project setup, but there's room for improvement. Consider adding more features or handling user input to customize the project structure. Explore packages like yargs for parsing command-line arguments. You can learn more about yargs through their official documentation here.
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Mastering Node.js CLI: Best Practices and Tips
This code snippet uses yargs, a Node.js package, to parse command-line arguments in a POSIX-compliant way, including support for short and long-form options. You could also use the popular commander defined as a complete node.js command-line interface.
- Show HN: Pg-CLI โ Read PG's essays in your terminal
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Process of working in parallel branches in GitHub
This feature was implemented by adding a new argument option -l or --lang in yargs as below.
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Searching through JSON logs locally
Creating CLIs with yargs is a piece of cake. For LZ4 there is a streaming implementation on npm which is a single function and also happened to decompress my files without any errors. Everything else is out-of-box Node.js.
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What is your ideal setup for new project for solo developers
Backend is more tricky. - RESTful APIs I prefer Koajs - For a RPC/microsevice, I have only used gRPC - For a CLI, yargs and inquirer
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yargs VS clerc - a user suggested alternative
2 projects | 26 Dec 2022
- Making command line commands with javascript
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DPS909 Blog - Lab 3: Managing Simultaneous Changes
To accomplish this task, I added a new option using the yargs module. This allows me to read whatever the user inputs after using -l/--l. Following this, I added a conditional statement that defaults to en-CA whenever a language code is not inputted.
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Command line applications
You can build them from scratch, or use one of many specialized libraries on NPM, like commander, yargs, blessed, terminal kit, prompts, and many more.
What are some alternatives?
jest - Delightful JavaScript Testing.
minimist - parse argument options
chai - BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
Inquirer.js - A collection of common interactive command line user interfaces.
proxyquire - ๐ฎ Proxies nodejs require in order to allow overriding dependencies during testing.
meow - ๐ CLI app helper
Playwright - Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
oclif - CLI for generating, building, and releasing oclif CLIs. Built by Salesforce.
Enzyme - JavaScript Testing utilities for React
vorpal - Node's framework for interactive CLIs
tap - Test Anything Protocol tools for node
get-stdin - Get stdin as a string or buffer