28 lines
888 B
Dart
28 lines
888 B
Dart
|
import 'package:flutter_bloc/flutter_bloc.dart';
|
||
|
|
import 'package:flutter_test/flutter_test.dart';
|
||
|
|
import 'package:halkyon_app/halkyon_app.dart';
|
||
|
|
|
||
|
|
/// The states [cubit] emits while [step] runs, in order.
|
||
|
|
Future<List<S>> statesOf<S>(
|
||
|
|
BlocBase<S> cubit,
|
||
|
|
Future<void> Function() step,
|
||
|
|
) async {
|
||
|
|
final states = <S>[];
|
||
|
|
final listening = cubit.stream.listen(states.add);
|
||
|
|
await step();
|
||
|
|
// A cubit's stream hands its states on in a microtask.
|
||
|
|
await Future<void>.delayed(Duration.zero);
|
||
|
|
await listening.cancel();
|
||
|
|
return states;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// The states [cubit] emits as [step] (not awaited: it emits at once).
|
||
|
|
Future<List<S>> statesNow<S>(BlocBase<S> cubit, void Function() step) =>
|
||
|
|
statesOf(cubit, () async => step());
|
||
|
|
|
||
|
|
/// A refusal of [problem].
|
||
|
|
Matcher refusedAs(PasswordProblem problem) => isA<PasswordFailed>().having(
|
||
|
|
(failed) => failed.problem,
|
||
|
|
'problem',
|
||
|
|
problem,
|
||
|
|
);
|