75 lines
2.1 KiB
Dart
75 lines
2.1 KiB
Dart
import 'package:clock/clock.dart';
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import 'package:event_bus_plus/event_bus_plus.dart';
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import 'package:given_when_then_unit_test/given_when_then_unit_test.dart';
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import 'package:shouldly/shouldly.dart';
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import 'package:test/test.dart';
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import 'models.dart';
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void main() {
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late IEventBus bus;
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before(() {
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bus = EventBus(maxHistoryLength: 3);
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});
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test('Keep history', () {
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final date = DateTime(2022, 9, 1);
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withClock(Clock.fixed(date), () {
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bus.fire(const SomeEvent());
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bus.fire(const SomeAnotherEvent());
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bus.fire(const FollowAppEvent('@username'));
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bus.history.should.be([
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EventBusHistoryEntry(const SomeEvent(), date),
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EventBusHistoryEntry(const SomeAnotherEvent(), date),
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EventBusHistoryEntry(const FollowAppEvent('@username'), date),
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]);
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});
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});
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test('Keep full history without debounce', () {
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final date = DateTime(2022, 9, 1, 4, 59, 55);
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withClock(Clock.fixed(date), () {
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bus.fire(const SomeEvent());
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bus.fire(const SomeEvent());
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bus.fire(const SomeAnotherEvent());
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bus.history.should.be([
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EventBusHistoryEntry(const SomeEvent(), date),
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EventBusHistoryEntry(const SomeEvent(), date),
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EventBusHistoryEntry(const SomeAnotherEvent(), date),
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]);
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});
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});
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test('Clear history', () {
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bus.fire(const SomeEvent());
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bus.fire(const SomeAnotherEvent());
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bus.clearHistory();
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bus.history.should.beEmpty();
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});
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group('History length', () {
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test('Add more than max', () {
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final date = DateTime(2022, 9, 1, 4, 59, 55);
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withClock(Clock.fixed(date), () {
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bus.fire(const SomeEvent());
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bus.fire(const SomeAnotherEvent());
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bus.fire(const FollowAppEvent('@username'));
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bus.fire(const NewCommentEvent('text'));
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bus.history.length.should.be(3);
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bus.history.should.be([
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EventBusHistoryEntry(const SomeAnotherEvent(), date),
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EventBusHistoryEntry(const FollowAppEvent('@username'), date),
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EventBusHistoryEntry(const NewCommentEvent('text'), date),
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]);
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});
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});
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});
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}
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