Flutter Integration testing failed for multiple test cases in a single file - flutter

Question

I have a simple login page with email and password text field. A button to login and another to sign up. I tried to write integration testing for the Sign in page.
void main() {
IntegrationTestWidgetsFlutterBinding.ensureInitialized();
testWidgets('''could type email and password in text filed''',
(WidgetTester tester) async {
await app.main();
await tester.pumpAndSettle();
final textFieldEmail = find.byType(InputTextWidget).first;
final textFieldPassword = find.byType(InputTextWidget).last;
await tester.enterText(textFieldEmail, "asis.adh#gmail.com");
await tester.pumpAndSettle();
expect(find.text("asis.adh#gmail.com"), findsOneWidget);
});
testWidgets(
'should redirect to Sign Up Page when create an account is tapped',
(WidgetTester tester) async {
await app.main();
await tester.pumpAndSettle();
final createAnAccount = find.text("Create an account");
await tester.tap(createAnAccount);
await tester.pumpAndSettle();
expect(find.byType(SignupPage), findsOneWidget);
expect(find.byType(LoginPage), findsNothing);
});
}
When I execute the test case, it fails with the following error:
The following ArgumentError was thrown running a test: Invalid
argument(s): Object/factory with type AmenitiesProvider is already
registered inside GetIt.
Here is my main.dart file
Future main() async {
WidgetsFlutterBinding.ensureInitialized();
configureInjection(Environment.prod);
/// for registering the factory.
await Future.delayed(const Duration(seconds: 2));
runApp(RoopaApp());
}
I tried with a main_test.dart and adding configureInjection(Environment.test) but nothing changes. I am not sure how to fix the error. Is there a way to clean the app or destroy it before going to new test case. If I combine the both testcase into one then it works without any problem.
Here is configureInjection
#injectableInit
void configureInjection(String environment) {
$initGetIt(getIt, environment: environment);
}
I am using get_it and injection package for dependency injection.
Here is the auto generated initGetIt
GetIt $initGetIt(
GetIt get, {
String environment,
EnvironmentFilter environmentFilter,
}) {
final gh = GetItHelper(get, environment, environmentFilter);
final httpClientInjectableModule = _$HttpClientInjectableModule();
final flutterStorageModule = _$FlutterStorageModule();
gh.lazySingleton<AmenitiesProvider>(() => AmenitiesProvider());
gh.factory<Client>(() => httpClientInjectableModule.client);
gh.lazySingleton<FileProvider>(() => FileProvider());
gh.lazySingleton<FlutterSecureStorage>(
() => flutterStorageModule.secureStorate);
gh.factory<ProfilePageBloc>(() => ProfilePageBloc());
gh.factory<SplashScreenBloc>(() => SplashScreenBloc());
gh.lazySingleton<AuthLocalDataSourceProtocol>(
() => AuthLocalDataSource(secureStorage: get<FlutterSecureStorage>()));
gh.lazySingleton<AuthRemoteDataSourceProtocol>(
() => AuthRemoteDataSource(client: get<Client>()));
return get;
}

Answer 1

In my config page.
#injectableInit
void configureInjection(String environment) {
$initGetIt(getIt, environment: environment);
}
I just created a test environment and added following like, now its working as expected.
#injectableInit
void configureInjection(String environment) {
$initGetIt(getIt, environment: environment);
if (environment == Environment.test) {
getIt.allowReassignment = true;
}
}

Answer 2

tearDown(() async {
final getIt = GetIt.instance;
await getIt.reset();
});