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Let's learn about Unit Testing via these 134 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the /Learn or LearnRepo.com to find the most read blog posts about any technology.
A software testing method where individual units or components of a software are tested independently, ensuring each part functions correctly before integration.
Latest August of this year I started to learn Rails. I was following the book Ruby on Rails Tutorial from Learn Enough To Be Dangerous website which uses Minitest to test their application. Truth is: I was not understanding a single line of code about those tests. So I decided to skip them and try to write it using RSpec because the syntax is way more similar to human language than others. But you may be wondering:
Nowadays every one of us is facing REST APIs by either developing or consuming such a service. Also, we’re in the trendy era of microservices, where we splitting our business logic into small separate services independent from each one. Mostly these services follow RESTful principles and using the JSON format for communication, which became the most widely used format, because of its simplicity.
The microservices approach of building applications is most suitable when we develop complex applications with diverse functionalities. Since microservices, unlike monolithic architecture, keeps each function independent of the other, it is the most followed technique in modern times for large applications.
When I started working in Go and AWS Lambda, one of the difficulties that I faced was unit testing. I had a decent idea about what is unit testing and knew how to do it in Ruby but in Go, I had no idea because I was a beginner.
LLMs can generate unit tests, but do they truly validate code behaviour? This article explores Codex experiments revealing their real limits and pitfalls.
Hello guys, today I am going to talk about JUnit and unit testing, one of the key skills for any software developer. You may already know that JUnit and Mockito are two of the most popular testing libraries for Java applications, and you will find them in almost every Java application classpath.
Even if you are not directly concerned with QA and testing, it is recommended that you at least know the types of tests that need to be run at various...
Test-driven development (TDD) is all the rage these days and has been a discussion topic for quite some time. If you are brand new to TDD, this article should serve as a good introduction to what TDD is, why it’s useful, what a typical TDD workflow looks like, and when to use TDD.
Humans are complex creatures, with a wide variety of motivations for getting work done. Our motivation as developers is not purely extrinsic, or financial—sometimes it's for the joy of delivering code.
The writing of Clojure/Script macro may seem as a wizard senior programming craft, but this article will show you that it's not the case. This is the second part of my journey to learn Clojure/Script macro and this article will deal with Clojure macro.
Scrum is a set of rules for organizing a flexible workflow, which consists of a team approach, working in iterations, focusing on the goal of each iteration.
xUnit support many ways of parameterizing tests, however none of the existing documentation I could find covered the use case of re-using and mixing parameter datasets across different tests. This article shows how this can be done with xUnit in Visual Studio.
At Supabase we love writing as little code as possible, so we decided to combine our unit tests with same JSDoc comments that power VSCode's IntelliSense.
Android development has witnessed massive growth in all these years, and any developer who’s worth his salt will thoroughly test his products before launching them into the market. While having a conversation about testing in Android, we often hear two forms of tests doing the rounds — Unit Test and Integration Test.
All you need to know about unit testing LINQ and mappings in .NET to make more reliable code faster as you develop software using systems like AutoMapper
Have you ever wanted to write unit tests for your code, but you’ve found that it’s difficult to do so? Often this is the result of not writing code with testing in mind. An easy way to solve this is through utilizing test-driven development, a development process in which you write your tests before your app code.
High unit test code coverage is often viewed as a key indicator of code quality, but it's important to focus on the quality of the unit tests, not just the cod
I use Jest nearly every day when working, and it's a fantastic tool. It lets me ship my code with confidence, knowing that I have produced something which works as intended.
This is some thoughts about TDD and how things don't always work out perfectly even with the best-written tests when developing new software on a deadline.
In this article, we will explore the key concepts of Java unit testing, including simple code examples, parametrization, exception testing, and annotations.
How to achieve 100% coverage of I/O file based applications in DotNet (.NET) CSharp (C#) Test Driven Development (TDD) Development Software Best Practices
Learn about IServiceCollection in C# and dependency injection. See how Dependency Inversion, Single Responsibility, and Open/Closed Principles fit together!
You're pushing to main, something you've done 100s of times before, and by the time you go to refresh your production environment, you notice something's wrong
I’m learning the Clojure and ClojureScript craft and I must say, I enjoy it. This article explains what leads me on the track of learning Clojure/Script macro. This is the first part of my journey on this topic.
For the last few of months I started digging into the software testing world. I really wanted to learn more about how to create more effective tests, refactor code with more confidence and feel safe about adding new features. However, I felt it is little difficult to dive right in this area, that in my point of view, is underestimated.
The text you are about to read describes an imaginary dialog between two programmers on their way to discover the orgastic pleasures of a library called asyncFn.
This article explores non-trivial, production-grade patterns for the Clock component, moving beyond simple “now” calls to integrating with JWT authentication.
In this article, we are going to discuss a testing approach known as unit testing. What are unit tests? How should you implement them? and their benefits.
This comprehensive guideline assists in decision-making regarding testing at different levels - from Unit to End-to-end. It offers practical practices, rules of
By getting used to unit tests, they can start to familiarize themselves with the codebase and make significant progress while facing no risk or stress.
I didn’t trust AI to write my code. Things changed. With tests written first, AI stopped being a risk and started behaving like a serious engineering tool.
Mocking is often seen as a default choice when writing tests. Yet it introduces unnecessary complexety to your system. There are other approaches in testing.
Unit testing is utilized to examine small segments of code that can be secluded logically in the system. Frameworks normally managed to do unit testing are JUnit, NUnit, JMockit, PHPUnit, or tools like TestComplete.
Until I stumbled upon TDD, I had never really understood tests. I remember writing a whole project without tests and publishing it. Can you believe it?
Dive into a comprehensive guide on unit testing that emphasizes aligning tests with user interactions, maintaining semantic structure, and optimizing component.
With the introduction of Selenium, automation testing has become an easy task. All you need to do is find an appropriate unit testing framework for Selenium.
There are often debates on the best way to describe what constitutes a "unit" when unit testing. Considering the scope of tests is an important part of code structure and complementary to how implementation is grouped.
Ever wondered why it takes nearly a month to ship out a few lines of code change to the star and reliable customers of your company? When the changes made are formally aligned with the product, marketing and application managers, what stops it from being shipped immediately? Why do managers quote timelines for a maintenance release that seems so "unrealistic" to you? These were the thoughts that were going through my mind during my first few months of writing production-quality code.
Get to know the different types of software testing methods and know the use cases, advantages, objectives to identify the best way to go about testing.
The Software Testing Pyramid: a framework for efficient test coverage, early bug detection, and maintaining software quality with unit, integration, and E2E.
After examining thousands of experiments from top tech companies, I discovered six critical A/B testing mistakes that are squandering your team's hard work.
Learn how Jest finds related tests in an optimal way using the Breadth First Search (BFS) algorithm and how to leverage its API in your local development enviro
Unit tests help ensure your code works better and prevents bugs. However, that explanation sounds too abstract and impractical for real-world scenarios.
