How to do visual regression testing using Playwright
Learn how to leverage Playwright and its test runner to perform visual regression tests.
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A quick guide to load testing Grafana Loki with Grafana k6
As a software engineer here at Grafana Labs, I’ve learned there are two questions that commonly come up when someone begins setting up a new Loki installation: “How many logs can I ingest into my cluster?” followed by, “How fast can I query these logs?” There are two ways to find out the answers.
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How much could software errors be costing your company?
Errors are an inevitable part of building software. But while you can't eradicate them, you can definitely mitigate them. If you don't measure, track or resolve errors, you're ignoring a loss in revenue. It's time to pay attention to how much software errors are costing your company and take action, catching them early with methods like smarter testing and crash reporting. Using a few industry averages, you can put a number to the real cost of software errors in your company and start to plug cash leaks like wasted developer time and lost customers.
Building an On-Device Embedded Testing Library
There are too few C/C++ testing libraries designed for embedded devices. The traditional libraries are not designed for constrained resources and rely on host functionality like a filesystem or standard output. In this post, I detail why I’ve decided to design a new testing library for microcontrollers and cover the rationale, design choices, and thoughts on the prototype. Like Interrupt? Subscribe to get our latest posts straight to your mailbox.
Advantages of Using a Mock API to Accelerate Development
Mocking APIs is an increasingly popular trend, with more and more developers seeing the advantages of mocking dependencies rather than spinning up actual duplicates of resources. On a high-level, a mock API means that you have a service that returns static data, which in turn is based on a real API.
Testing Flask framework with Pytest
Writing tests in any programming language can be difficult, but it does not have to be. In this tutorial, I will show you how you can easily write and run tests using Flask and Pytest. As a bonus, we will also integrate a CI/CD pipeline to run tests on a Flask app using CircleCI. Be sure to check out our other Flask tutorials to learn about application logging, authentication decorators, and automating Flask deployments.
What Makes the Automated Testing Process More Reliable Than Manual Testing?
Manual software testing processes have been around for decades and have proved reliable all these years. However, when benchmarked with automated testing processes, it seems to be lacking in this regard. It is a known fact that test automation speeds up delivery for software testers, but at first glance, this methodology of testing systems and apps seems unreliable. A deeper dive into both automated and manual testing processes reveals a shocking truth.
Automate testing for Golang Gin-gonic RESTful APIs
Gin is a high-performance HTTP web framework written in Golang. It contains features and functionalities like routing and middleware out of the box. This helps to reduce boilerplate code, improves productivity, and simplifies the process of building microservices. In this tutorial, I will guide you through the process of building a RESTful API with Golang using the Gin-gonic framework. I will also lead you through building an API to manage the basic details of a company.
The value of performance mesh testing for ISPs, CDNs, telcos and cloud service providers
As a network service provider, you want your customer to see that you consistently deliver excellent performance. You send your customers periodic reports — but those only provide a snapshot. With synthetic tests, you can present your customers with a dynamic report through a public web page, linkshare or a customer branded portal. Watch this webinar replay to learn how Kentik’s API can be used with network performance meshes in Kentik's synthetic monitoring solution to build a live latency report. Kentik’s Anil Murty and Martin Machacek will show you.
An Easy Guide To Understanding App Development
If you're reading this, there's a good chance you're interested in learning about app development. Maybe you want to create an app for your business, or maybe you just want to learn more about the process so you can better understand what goes into making an app. Either way, you've come to the right place! In this blog post, we will provide a basic overview of the app development process - from start to finish. We'll also discuss some of the most important things to keep in mind when creating an app. So without further ado, let's get started!