3 Minutes With Kent

Hey folks So I have had a couple of in situations when I was writing some tests where I had some code that would give me some sort of warning maybe it's using the invariant module or I'm just doing a console.air or consultant more or something like that. Or maybe I'm rendering a React component that will throw an error or something like that and I want to write a test to make sure that that error is thrown or whatever. So in in these sorts of scenarios, you're going to get console.errors getting logged. And so, I just wanted to talk about how I do that. So what I do,Is I am I do just that spy on console error and do that in a before each and then inside the test itself. I will define what I want it to be mocked as and I don't want to have my tests muddied up by all the console output from my source. So whether that's console.org, or error or log or anything, I want my test to be totally free of all of those things. And so if I'm expecting to have some logs of some kind as I'm running my tests, I'm going to ne