Synchronous APIs.With synchronous APIs, the expectation is that data will be returned immediately. An API is usually synchronous when data or service availability, resources and connectivity are high and lowlat
Asynchronous APIs work by returning the API calls instantaneously with a polling URL while the asynchronous request continues to be processed in the background. It ensures that the functionality of an application is maintained, thereby keeping the app resources free to process newer requests. Moreover...
AnAPI clientis the user or platform that sends a request to the target application. This could be a hard-coded solution, an API management tool, a SaaS platform, a web browser, a web application, or even a user manually sending a request. Some types of clients - especially under the cu...
One of the functional testing types isPositive / Negative testing.Negative testing checks how an API responds to every possible kind of wrong input, while positive testing verifies the correct functioning of the API when the input conforms to the norm. If positive test cases fail, it’s a bad...
(Note: Promises are objects that represent the eventual completion (or failure) of an asynchronous operation and its resulting value. In the case of Fetch API, it returns a Promise that resolves the response of the request.) The Fetch API is a game-changer for developers, giving them unparal...
A callback function in JavaScript is a function that is passed as an argument to another function and is invoked after some kind of event.
Calling a WebSockets API As with everything else in computing, trying to put all of this information into context often comes down to playing some some examples. One of the more interesting online examples is the websocket.org echo test. An immediate benefit to this example is that you can...
The below code is an example of an asynchronous test method using Swift’s new async/await syntax. The testWebLinkAsync method uses the URLSession API to download the webpage at the specified URL, and asserts that the response is an HTTP 200 OK status code. func testWebLinkAsync() async...
Node.js is an open-source JavaScript runtime environment that allows developers to execute JavaScript code for server-side scripting and scalable network applications.
Discover how to use asynchronous communication to encourage strong communication between remote teams. Read on for examples of asynchronous communication.