Let’s have a look at how Widget testing in Flutter apps works. Improve your testing knowledge with this guide. — Flutter offers several types of tests that can be used to ensure correct app behavior. There are unit tests, integration tests, and finally widget tests. In this article, we’ll focus on widget tests. This means that a part of the app is rendered during the tests and you can describe…

This article is all about the possibilities of mocking that the Mockito package provides. We’ll look into setting up mocks, verifying the calls, and pitfalls to avoid. — I recently published an article about mocking in unit tests with the Mockito package in Flutter apps. How to Mock Dependencies in your Flutter app for Testing Here is a tutorial on how to create mocks with the mockito package, set them up, and use them in your tests of a…levelup.gitconnected.com

Here is a tutorial on how to create mocks with the mockito package, set them up, and use them in your tests of a Flutter application. — During testing, there will always be a point where you need a mock. This mock will save you from setting up complex environments for a test because it allows you to focus on the parts you want to test. Assume you have a logger in multiple places in your application that…

A ready-to-use and working build pipeline for Azure DevOps to build Flutter apps for iOS, Android, and Windows. — Here is a working pipeline for Azure DevOps to build Flutter apps with the most recent SDK version for iOS, Android, and Windows alongside an integration and configuration guide. It will produce an Android App bundle…

Here is a short guide about how to visualize code coverage of a Flutter app in Visual Studio Code. — Today I want to show you how you can measure your code coverage and see the covered and uncovered lines in your Flutter app. We are going to use Visual Studio Code and two free extensions from the Visual Studio Marketplace: Flutter Coverage

We cover a basic example how unit tests in a Flutter project can look like. Explained code samples are included. — Testing is an essential task in every software project (or at least it should be one). This time we are focussing on the basics of unit testing in a simple Flutter application. If you want to dive deep into testing Flutter applications, check out 📙 my free ebook with many…