To implement integration testing in Flutter, you can use the integration_test package. This package provides several classes and functions for writing integration tests in Flutter.
1. Add Integration_test Package
Add integration_test and flutter_test dependencies in your projects pubspec.yaml under the dev_dependencies.
dev_dependencies:
flutter_test:
sdk: flutter
integration_test:
sdk: flutter
2. Create a Project Folder
Create a folder named integration_test at the root of your project.
3. Add main_test.dart File
Add a main_test.dart file under integration_tests folder
4. Create Folder Structure
The integration_test/ folder contains tests for the app's integration with external systems, such as APIs or databases.
Screens/ folder contains the code for the app's screens, which are the different user interfaces that the user sees. Each screen has its own folder, which contains the code for the screen's layout, logic, and state management.
Similar way, the utils/ folder contains utility functions and classes that are used throughout the app. And, the main_test.dart file contains the main test runner for the app.
5. Add testing_helper.dart File
Add testing_helper.dart file under the utils folder and add all the methods that are repeatedly used in the testWidgets() function.
root/integration_test/src/utils/testing_helper.dart
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