I’m a newbie to Jest. I’ve managed to mock my own stuff, but seem to be stuck mocking a module. Specifically constructors. usage.js I’d like to do something like this in the tests. However when I come to use it in usage.js the cw is a mockConstructor not a FakeMetrics I realise that my appro…
Tag: node.js
Setup Cypress.io to access a page through a proxy
Is it possible to setup cypress.io to access pages through a proxy? I have a proxy that I need to go through, in order to test my application. Is there anyway to configure cypress.io to honour the standard HTTP_PROXY environment variables.. or is there some other setup that is required? Answer Update: This is…
Passing variable from app.js to ejs file into a script tag
I’m trying to pass variable which is defined in app.js into a script tag inside and ejs file. So the app.js in short looks like this: The variable I want to pass is the app.locals.myVar, acutally this method doesnt work and I still get that myVar is not defined in ejs file The ejs file is here: As you c…
Monotonically increasing time in Node.js
This question has already been answered for the browser here, but window.performance.now() is obviously not available in Node.js. Some applications need a steady clock, i.e., a clock that monotonically increases through time, not subject to system clock drifts. For instance, Java has System.nanoTime() and C++…
Node js post request without refreshing
Is it possible to complete a post request without redirecting or refreshing the page? I am making a simple file browser in browser. The client side shows the USB stick content of the server. You know, when I open a folder, I send a string to server with the path data, so the server can send me the current fol…
Wait for text to appear when using Puppeteer
I wonder if there’s a similar way as in Selenium to wait for text to appear for a particular element. I’ve tried something like this, but it doesn’t seem to wait: Answer You can use waitForFunction. See https://github.com/GoogleChrome/puppeteer/blob/master/docs/api.md#pagewaitforfunctionpage…
Cordova Unable to load platformapi
I have been having this issue for few days now. Cordova won’t run in browser, error says browser is not added as a platform. However, trying to add browser as a platform, cause another error which says Unable to load platfromapi from platform. It also says that browser is not a valid platform. See scree…
Recursively read a directories with a folder
I’ve been trying to request a recursively read a directory with fs module. I had problems along the way, its only giving me a file name. Here’s how I need it to be: File name. And also a directory of that file. This results may be as an object or bulked into an array. Anyone please help. Thanks. A…
only return document _id on mongoose .find()
I update 100’s of documents every second by pushing new data to an array in its document. To get the document of which I am going to add data to, I use the mongoose .find().limit(1) function, and return the whole document. It works fine. To help with some memory and cpu issues I have, I was wondering ho…
Angular 4. Unexpected token export
Then i’m start the app by command ng serve in console i see error: Just start then angular application, install: bootstrap, jQuery, popper.js and then add styles & scripts files to angular-cli.json/angular.json angular-cli.json/angular.json: i’m use: Where i’m make a mistake? Some text o…