I’m starting to test my code with Jest, and I can’t make a seemingly simple test to pass. I am simply trying to check if what I receive from a Maogoose database request is an object. The function fetchPosts() is working because I hooked it up with a React frontend and it is displaying the data cor…
Tag: node.js
React + NodeJs Fetch issue
I am trying to fetch the following results of my api (which is working well) http://localhost:5000/api/continents into a react component (a simple array to begin with). Endpoint code extracted from server.js: Here is my continents.js code: And here is the App.js code: Issue: continents array is empty. No data…
Injecting CSS into site with Puppeteer
The site I’m running automated tests on with Puppeteer displays info popups if actions were successful or when something failed. Unfortunately, these popups sometimes cover up buttons my script has to click on. It would be great if I could inject some CSS into the site to hide these popups. Is there an …
Node.js – Handle body-parser invalid JSON error
I’m using the body-parser package like this: When a valid input like { “foo”: “bar” } is received everything works fine and I can access the parsed object with req.body. However, when invalid (non-JSON) data is sent: I get this error: How can I handle this properly to prevent the…
How can I retry function?
I’m developing a script for personal needs. I need to retry if an error returned, but I don’t know how to fix it. how to resolve it? But I get the following error: TypeError: You may only yield a function, promise, generator, array, or object, but the following object was passed: “[object Ob…
React Node Unable to pass cookie to the browser (crocs error)
For some reason I am unable to store cookie in my browser. This is the first time I am working with React And NodeJS My React application is working on localhost:3000 and NodeJS application on localhost:8080 The Git repository for the same happens to be this So, I am successfully able to login, store the cred…
UnhandledPromiseRejectionWarning: AssertionError [ERR_ASSERTION]: The expression evaluated to a falsy value:
I am getting this huge error running a Mocha test with node version 10 and a MongoDB database: (node:27884) UnhandledPromiseRejectionWarning: AssertionError [ERR_ASSERTION]: The expression evaluated to a falsy value: assert( user.blogPosts[0].comments[0].content === ‘As programs get bigger, they also be…
Nest.js – request entity too large PayloadTooLargeError: request entity too large
I’m trying to save a JSON into a Nest.js server but the server crash when I try to do it, and this is the issue that I’m seeing on the console.log: [Nest] 1976 – 2018-10-12 09:52:04 [ExceptionsHandler] request entity too large PayloadTooLargeError: request entity too large One thing is the s…
node js async/await : why i can’t get the data ? req.body
i am learning about async/await at Node.js to make a restful api and I got a problem in the PUT and PATCH method, where for req.body it can’t display the data that I want here’s the code: controllers/users and this code for router: when I enable mongoose debug, only the findone function is active,…
How to fix async function which returns `undefined`?
I’m trying to return the count from my database. The count().exec method returns a Promise. I’m trying to resolve it in order to return the value to the user. But it returns undefined. It seems to me I have well used the async/await pattern, so what is wrong? I can’t figure it out. Here my s…