September 2019
Beginner
512 pages
12h 52m
English
Content preview from Flutter for Beginners
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The flutter_test package
The flutter_test package is shipped with the Flutter SDK, is built on top of the test package, and provides a set of tools for helping us to write and run widget tests.
As said before, widget tests need to be executed in the widget environment and Flutter helps with this task with the WidgetTester class. This class encapsulates the logic for us to build and interact with the widget being tested and the Flutter environment.
We do not need to instantiate this class by ourselves as the framework provides the testWidgets() function. The testWidgets() function is similar to the Dart test() function seen before in Chapter 2, Intermediate Dart Programming, Writing unit tests section. The difference is the Flutter context, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.