public void WhenNoHandlersRegisteredForEventThenShouldThrowInvalidOperationException()
{
var serviceProvider = new ServiceCollection()
.AddOpenEventSourcing()
.Services
.AddSingleton <IEventDispatcher, DefaultEventDispatcher>()
.AddLogging()
.BuildServiceProvider();
var dispatcher = serviceProvider.GetRequiredService <IEventDispatcher>();
var @event = new FakeEvent();
var context = new EventContext <FakeEvent>(streamId: @event.Subject, @event: @event, correlationId: null, causationId: null, timestamp: @event.Timestamp, actor: Actor.From(nameof(WhenNoHandlersRegisteredForEventThenShouldThrowInvalidOperationException)));
Func <Task> act = async() => await dispatcher.DispatchAsync(context);
act.Should().Throw <InvalidOperationException>();
}
public async Task WhenSingleHandlersRegisteredForEventThenShouldDispatchToHandler()
{
var @event = new FakeEvent();
var context = new EventContext <FakeEvent>(streamId: @event.Subject, @event: @event, correlationId: null, causationId: null, timestamp: @event.Timestamp, actor: Actor.From(nameof(WhenSingleHandlersRegisteredForEventThenShouldDispatchToHandler)));
var serviceProvider = new ServiceCollection()
.AddOpenEventSourcing()
.AddEvents()
.Services
.AddSingleton <IEventDispatcher, DefaultEventDispatcher>()
.AddLogging()
.BuildServiceProvider();
var handler = (FakeEventHandler)serviceProvider.GetRequiredService <IEventHandler <FakeEvent> >();
var dispatcher = serviceProvider.GetRequiredService <IEventDispatcher>();
await dispatcher.DispatchAsync(context);
handler.Calls.Should().Be(1);
}
public void WhenCancellationTokenRemainsNonCancelledThenShouldNotThrowOperationCancelledException()
{
var @event = new FakeEvent();
var context = new EventContext <FakeEvent>(streamId: @event.Subject, @event: @event, correlationId: null, causationId: null, timestamp: @event.Timestamp, actor: Actor.From(nameof(WhenCancellationTokenRemainsNonCancelledThenShouldNotThrowOperationCancelledException)));
var serviceProvider = new ServiceCollection()
.AddOpenEventSourcing()
.AddEvents()
.Services
.AddSingleton <IEventDispatcher, DefaultEventDispatcher>()
.AddLogging()
.BuildServiceProvider();
var handler = (FakeEventHandler)serviceProvider.GetRequiredService <IEventHandler <FakeEvent> >();
var dispatcher = serviceProvider.GetRequiredService <IEventDispatcher>();
var cancellationTokenSource = new CancellationTokenSource();
var cancellationToken = cancellationTokenSource.Token;
Func <Task> act = async() => await dispatcher.DispatchAsync(context, cancellationToken);
act.Should().NotThrow();
handler.Calls.Should().Be(1);
}