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Node News Wednesday, March 28 Var, App, Token generation & more…

Node News TLDR / Table of Contents

  • Writing a CRUD app with Node.js and MongoDB – Eslam Maged –
    • CRUD stands for Create, Read, Update and Delete. Which are the basic operations that a simple web app would be designed to achieve. The above commands results in creating a package.json file. The…
    • var, app, var express, var app, simple web app
  • Learn About API Authorization In Node.js
    • In this post, we are going to secure our NodeJS APIs with customized security token generated by the logged in users and HTTP actions.
    • token generation, client-side token generation, open command prompt, token generation function, request header
  • Web Testing using Selenium Webdriver Part 4: Adding JavaScript, Node.JS, and Mocha
    • Welcome back to my series about Web Testing using Selenium Webdriver. After going through some basic and then slightly more complex examples in previous parts, it’s now time to see how Selenium can…
    • Mocha framework, Selenium, Selenium Webdriver, web testing, Selenium tests
  • Initializing theServer:-Create a new file, lets name it app.js directly inside the ProductsApp directory – touch app.jsOpen the newly created file named app.js and require all the dependencies we previously installed (ExpressJS and body-parser ) -we will talk about mongoose later- – // app.jsvar express = require(‘express’); – var bodyParser…
  • Create a new file in the models directory and lets name it product.js – var mongoose = require(‘mongoose’); – var Schema = mongoose.Schema; – – var ProductSchema = new Schema({ – name: {type: String, required: true, max: 100}, – price: {type: Number, required: true}, – }); – – – //…
  • router.get(‘/test’, = router;Controllers: – Next step is to implement the controllers we referenced them in the routes – go to our controllers directory and create a new js file named product.js which will be the placeholder for our controllers.
  • ; – };Last step before trying out our first route is to add the route class to the app.js – //app.jsvar express = require(‘express’); – var bodyParser = require(‘body-parser’);var product = require(‘.
  • /routes/product’); // Imports routes for the products – var app = express();app.use(‘/products’, product);var port = 1234;app.listen(port, () = { – console.log(‘Server is up and running on port numner ‘ + port); – });Now head to your browser and try the following link: that our test route isworkingNow we have our…

Tags: var, app, var express, var app, simple web app

  • The below function is generating the token in client-side which is passed through each HTTP request header.
  • From token generation function, we can see the hash is generated by cryptographic hash function – – Here, the first argument is the message to hash & the second one is the secret key to authenticate the message.
  • Lets modify our existing UserController to add the token in request header with each HTTP method.
  • After completing the client-side token generation and sending it with the HTTP request its time to work with server-end modifications.
  • In this process the server extracts the token from each request then performs two step validation – – Now we need to add verifyToken middleware as a second argument in express route to verify token.

Tags: token generation, client-side token generation, open command prompt, token generation function, request header

  • Npm allows us to install other packages, including Selenium itself.An IDEmy recommendation is the excellent Visual Studio Code.Afterwards, create a new folder to house your files.
  • To get Selenium, simply open a command line/terminal in your project folder and type npm install selenium-webdriver – This command tells npm to install the package named selenium-webdriver, which can be viewed online here.
  • Create a new one called simpleTest.js – In this test, we will go through these steps: – Start the browser using WebdriverAccess a page, in this case my portfolioFind a link, in this case my first project in the portfolioClick on itVerify that the title of the new page is…
  • Alternatively, you can also use packages like Chai, which is also supported nicely by Mocha.Declare the driver variable.Create a test group with a description and then its main function.Create a before generator function that creates the new driver object with the browser of our choice.Create the actual test, with a…
  • Until it isnt ready, getTitle() would include a object that cannot be used in an assertion.Run the assertion mentioned above to check that the title of the new page is equal to the expected value.Close the browser.While a regular test could be run simply with Node.JS, tests that rely on…

Tags: Mocha framework, Selenium, Selenium Webdriver, web testing, Selenium tests

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