sinon

I've seen examples on the web in which people use jasmine together with sinon . However, jasmine has support for spies (which as I understand is what Sinon does). So, the question is, is Sinon still useful when using Jasmine ? If Sinon is useful what exactly makes it a good addition to jasmine ? Cheers No you dont need Sinon to work with Jasmine. But Sinon spy/mock/stubs are more convenient in some cases. There is also a minor bug in mocking setTimeout in Jasmine, which work as expected with sinon. I use Sinon with Jasmine for it's fakeServer capabilities. Sinon allows me to easily mock AJAX

I've created a database wrapper for my application, shown below. To test it, I obviously would like to replace the actual database library. I could create a new class that mocks the query method and catch all input there, but using sinon.js seems more appropriate, but how would I use it? Is the mock or stub features of sinon.js what I should be using? wrapper = (function() { function wrapper() {} wrapper.db = require("database"); wrapper.prototype.insertUser = function(doc) { return this.db.query("INSERT INTO USERS..."); }; return wrapper; })(); Cristiano Fontes You can use both for that. Mock

The Enzyme docs for Full DOM Rendering here contains the following example of spying on a lifecycle method with Sinon: describe('<Foo />', () => { it('calls componentDidMount', () => { sinon.spy(Foo.prototype, 'componentDidMount'); const wrapper = mount(<Foo />); expect(Foo.prototype.componentDidMount.calledOnce).to.equal(true); }); }); What is the equivalent to this using mock functions from Jest? I'm using Create-React-App, and would rather not include Sinon if the same can be achieved with Jest. Here's what I'd expect the test to look like: describe('<App />', () => { it('calls

Take into account the following example Javascript code below: function privateFunction (time) { if (time < 12) { console.log('Good morning'); } if (time >= 12 && time <19) { console.log('Good afternoon'); } else { console.log('Good night!'); } }; How should I unit test that on nodejs using mocha (and possibly sinonjs), noticing that this is a private function called inside a module? I need to pass in the argument and check if the function is logging the right thing to the console. Can I do the same with console.warn and console.error ? I prefer mocha-sinon over "plain" sinon because it