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Articles on Trending Technologies
Technical articles with clear explanations and examples
Node.js – util.promisify() Method
The util.promisify() method basically takes a function as an input that follows the common Node.js callback style, i.e., with a (err, value) and returns a version of the same that returns a promise instead of a callback.Syntaxutil.promisify(original)ParametersIt takes only one parameter −original −This parameter takes an input for the function and returns them as a promise.Example 1Create a file with the name "promisify.js" and copy the following code snippet. After creating the file, use the command "node promisify.js" to run this code.// util.promisify() Demo example // Importing the fs and util modules const fs = require('fs'); const util = ...
Read MoreMainframe Testing Tutorial for Beginners
We will learn about Mainframe testing in this section, which is used to test software, applications, and services produced on Mainframe Systems.We will also learn about mainframe attributes, mainframe testing types, how to perform it, the various challenges and troubleshooting while performing mainframe testing, various commands used in mainframe testing, some common issues encountered during mainframe testing, and Mainframe Automation Testing Tools.We'll learn about the Mainframe before diving into the concept of Mainframe testing.What is a Mainframe?The mainframe is a multi-user computer system with great performance and speed. The mainframe is the most secure, scalable, and dependable machine system available.In ...
Read MoreLoad Testing Tutorial (Definition, how to, Example)
Load TestingLoad testing is a type of non-functional software testing in which the execution of a software application is judged under a particular load. It controls how the software application works when a large number of people use it at the same time. Prior to deployment, load testing is done to detect performance bottlenecks and guarantee that software programs are stable and run smoothly.This analysis typically determines: -An application's maximum operational capacityExamine whether the current infrastructure is capable of handling the application.The app's viability in terms of peak user load is debatable.The maximum number of concurrent users supported by an ...
Read MoreHealthCare Domain Testing with Sample Test Cases
HealthCare Domain TestingHealthcare domain testing is a method of evaluating a healthcare application for criteria such as standards, safety, compliance, and cross-dependency with other organizations. The goal of healthcare domain testing is to assure the application's quality, dependability, performance, safety, and efficiency.Knowledge of the Health Care Domain at a Basic LevelThe single body that is a hospital or a provider weaves the entire healthcare system together (doctor).Among the other entities are −Insurance company: Medicare, Medicaid, BCBS, etc.Patient/Consumers: Patient EnrolledRegulatory Authority: HIPAA, OASIS assessment, and HCFA 1500, etc.Health-care and Life-Science solution VendorsThe Basics of Health-Care TerminologyProvider − A health care professional ...
Read Moree-Commerce Testing: How to Test an e-Commerce Website?
I guess you won't find someone who hasn't shopped online in today's world. E-commerce/Retail is a type of business that relies on internet clients to succeed. There are numerous advantages to shopping in person versus purchasing online. Convenience, time savings, and quick access to products all around the world, for example.Its success hinges on a competent E-commerce/Retail site. It has to be a worthy match for the storefront. Because when you go shopping in a physical store, you've already committed to coming in and giving the brand a chance.There are numerous options available on the internet. As a result, unless ...
Read MoreCode Coverage Tutorial (Branch, Statement, Decision, FSM)
The ultimate goal of any software development company is to provide high-quality software. The software must be properly tested in order to reach this goal.As a result, testing is an important aspect of the software development process. As a result, it's critical that the software generated be evaluated by the developer (during the unit testing phase) and then delivered to the QC team to be extensively tested to guarantee that it has few or no flaws.Before being delivered to the actual test team for testing, the software is unit tested. This testing is done by the developer because it involves ...
Read MoreBanking Domain Application Testing
Banking applications are one of the toughest applications to work on in today's Development and software industries. One of the reasons for being it difficult is because it involves money so we can't afford any mistakes in the testing of it. Each and every person wants to be secure about their money and so they put them in banks and hence banking application should be perfect.Now what should we do and how should we approach this is one of the questions which will be answered in this article. We will also see different stages and techniques to test this type ...
Read MoreAutomation Testing Framework for Agile/Scrum Methodology
Software development is a difficult task. Architects have known since the beginning of the software development process that without a management structure, the process will devolve into anarchy. From the waterfall approach to the agile model, new software development life cycle innovations arose as a result.Most mobile and web projects are produced utilizing some type of Agile development approach, and all aspects of the software development lifecycle, from development to deployment to testing, are guided by the same quick go-to-market concepts.When it comes to software development, testing is an important aspect of the process that cannot be overlooked. Agile methodologies ...
Read MoreNode.js – Retrieving file character encoding
A computer system works upon bits. In the same way, a computer reads files into binary representation which is why we need to convert text characters into binary data. Most popular character encoding types types are: ASCII and Unicode. Unicode has two further types: utf8 and utf16.SyntaxdetectCharacterEncoding(filePath)Setting Up the Environment and Execution:Step I − Initialize the node project.npm initStep II − Install the required modules.npm install detect-character-encodingStep III − Pass the text file name whose encoding is required.Example 1Create a file "abc.txt" with the following text: "Welcome to Tutorials Point" and save it in the project directory.Create a file with the name ...
Read MoreNode.js – util.types.isGeneratorFunction() Method
The util.types.isGeneratorFunction() method checks whether the passed value is a generator function or not. If the above condition holds, it returns True, else False. The return value may differ from the original source code if a transpilation tool is used.Syntaxutil.types.isGeneratorFunction(value)Parametersvalue − This input value takes input for the required parameter and checks if it's a Generator function or not.It returns True or False based upon the input value passed.Example 1Create a file with the name "isGeneratorFunction.js" and copy the following code snippet. After creating the file, use the command "node isGeneratorFunction.js" to run this code.// util.types.isGeneratorFunction() Demo Example // Importing ...
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