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An introduction to widget testing - Flutter
...In the introduction to unit testing recipe, you learned how to test Dart classes using the test package. To test widget classes, you need a few additional tools provided by the flutter_test package, which ships with the Flutter SDK. The flutter_test package provides the following tools for testing widgets: The WidgetTester allows building and interacting with widgets in a test environment. The ......
https://docs.flutter.dev/cookbook/testing/widget/introduction
Handle scrolling - Flutter
...How to handle scrolling in a widget test. Now, you can write a test. In this example, scroll through the list of items and verify that a particular item exists in the list. The WidgetTester class provides the scrollUntilVisible () method, which scrolls through a list until a specific widget is visible. This is useful because the height of the items in the list can change depending on the ......
https://docs.flutter.dev/cookbook/testing/widget/scrolling
Visual Studio Code - Flutter
...Flutter Property Editor The Flutter Property Editor is a powerful tool provided by the Flutter extension that lets you view and modify widget properties directly from its visual interface....
https://docs.flutter.dev/tools/vs-code
Testing Flutter apps
...Testing a widget involves multiple classes and requires a test environment that provides the appropriate widget lifecycle context. For example, the Widget being tested should be able to receive and respond to user actions and events, perform layout, and instantiate child widgets....
https://docs.flutter.dev/testing/overview
Flutter Widget Previewer
...Learn how to use the Flutter Widget Previewer to see your widgets render in real-time, separate from your full app....
https://docs.flutter.dev/tools/widget-previewer
Test orientation - Flutter
...1. Create an app that updates based on orientation 2. Create an orientation test group 3. Create a portrait orientation test 4. Create a landscape orientation test 5. Run the tests Complete example Cookbook chevron_right Testing chevron_right Widget chevron_right Test orientation Test orientation How to test if an app is in portrait or landscape mode....
https://docs.flutter.dev/cookbook/testing/widget/orientation
Widget testing - Flutter
...A catalog of recipes for adding widget testing to your Flutter app....
https://docs.flutter.dev/cookbook/testing/widget
Find widgets - Flutter
...To locate widgets in a test environment, use the Finder classes. While it's possible to write your own Finder classes, it's generally more convenient to locate widgets using the tools provided by the flutter_test package. During a flutter run session on a widget test, you can also interactively tap parts of the screen for the Flutter tool to print the suggested Finder. This recipe looks at the ......
https://docs.flutter.dev/cookbook/testing/widget/finders
Tap, drag, and enter text - Flutter
...1. Create a widget to test 2. Enter text in the text field 3. Ensure tapping a button adds the todo 4. Ensure swipe-to-dismiss removes the todo Complete example Cookbook chevron_right Testing chevron_right Widget chevron_right Tap, drag, and enter text Tap, drag, and enter text How to test widgets for user interaction....
https://docs.flutter.dev/cookbook/testing/widget/tap-drag
New Buttons and Button themes - Flutter
...Stay up to date chevron_right Breaking changes chevron_right New Buttons and Button themes New Buttons and Button themes The basic material button classes have been replaced....
https://docs.flutter.dev/release/breaking-changes/buttons
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