testdouble.js (AKA td.js)
tape
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testdouble.js (AKA td.js) | tape | |
---|---|---|
4 | 17 | |
1,407 | 5,757 | |
0.3% | 0.1% | |
6.5 | 8.5 | |
about 1 month ago | about 1 month ago | |
JavaScript | JavaScript | |
MIT License | 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.
testdouble.js (AKA td.js)
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Cannot figure out how to mock ES6 modules for a Node AWS Lambda
ESM modules need custom loaders for mocking. Testsouble (https://www.npmjs.com/package/testdouble) was one of the first frameworks to support it AFAIK and a great type-safe option.
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TypeScript testing
Alternative is using testdouble with `td.object()` https://www.npmjs.com/package/testdouble
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Testing Without Mocks
I’m not sure I manage to follow the author correctly, but to me it seems that by “mock” they strictly refer to external mocking libraries, in the sense of JS’s `testdouble` [1] or Java’s `Mockito` [2]. The fake object as returned by `LoginClient.createNull().getUserInfo(...)` appears to be a “Nullable” for them.
[1] https://www.npmjs.com/package/testdouble
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What you need to know about ES modules in Node.js
If you need an alternative for mocking, testdouble.js has full ES module support thanks to some excellent work by Gil Tayar.
tape
- Having deps is a good thing, and disk space is infinite and free
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Express API Testing
Last but not least important are ava, uvu and tape; they are a really light and fast test runners.
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Unit testing: What to use, and how?
A more minimalist approach is this tape module and the TAP protocol. https://www.npmjs.com/package/tape
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Straight talk: Salary discussion thread
OK will do. Do you have any tips on finding a suitable project? Ideally I was hoping to to contribute to a piece of software that I actually use/know/like/want to improve. Given that, and my area of expertise, I had shortlisted Signal Desktop, and Tape.
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Find component by display name when the component is stateless functional, with Enzyme
Reactjs I have the following components: // Hello.jsexport default (React) => ({name}) => { return ( Hello {name ? name : 'Stranger'}! )}// App.jsimport createHello from './Hello'export default (React) => () => { const Hello = createHello(React) const helloProps = { name: 'Jane' } return ( )}// index.jsimport React from 'react'import { render } from 'react-dom'import createApp from './App'const App = createApp(React)render( , document.getElementById('app')) And I want to set up a test to see if the App component contains one Hello component. I tried the following, using Tape and Enzyme: import createApp from './App'import React from 'react'import test from 'tape'import { shallow } from 'enzyme'test('App component test', (assert) => { const App = createApp(React) const wrapper = shallow() assert.equal(wrapper.find('Hello').length === 1, true)}) But the result was that the length property of the find result was equal to 0, when I was expecting it to be equal to 1. So, how do I find my Hello component? Answer link : https://codehunter.cc/a/reactjs/find-component-by-display-name-when-the-component-is-stateless-functional-with-enzyme
- Nobody at Facebook has worked on Jest for years
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Tools for testing Functional Web Apps
For us at Begin and Architect, tape has been in use for several years. tape has a stable and straightforward API, routine maintenance updates, and outputs TAP, making it really versatile. While TAP is legible, it's not the most human-readable format. Fortunately, several TAP reporters can help display results for developers. Until recently, Begin's TAP reporter of choice was tap-spec. Sadly tap-spec wasn't kept up to date and npm began reporting vulnerabilities.
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Chaijs.com just let their domain expire
I really enjoy Ava [1] or anything assert-tape-like [2]. "uvu" [3] is getting a lot of love lately, but it's very feature limited and much of it's touted advantages are at the detriment to feature set.
[1] https://github.com/avajs/ava
[2] https://github.com/substack/tape
[3] https://github.com/lukeed/uvu
Jest is great for front-end (or full stack integration) testing, but I feel it's specialized for that use-case and doesn't always play nice with backend/middle-tier testing needs.
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Advanced Roadmap for React.js developers
-Jest -React testing library -Enzyme -Sinon -Mocha -Chai -AVA -Tape
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The React roadmap for beginners you never knew you needed.
Tape
What are some alternatives?
jest - Delightful JavaScript Testing.
loadtest - Runs a load test on the selected URL. Fast and easy to use. Can be integrated in your own workflow using the API.
tap - Test Anything Protocol tools for node
Sinon.JS - Test spies, stubs and mocks for JavaScript.
ava - Node.js test runner that lets you develop with confidence 🚀
Cucumber.js - Cucumber for JavaScript
mocha - ☕️ simple, flexible, fun javascript test framework for node.js & the browser
nyc - the Istanbul command line interface
hyperapp - 1kB-ish JavaScript framework for building hypertext applications
AVA