public async Task PublishAsync_AppendsEventsToStreamUsingStreamWriter(
[Frozen] Mock<IEventStreamWriter> writerMock,
JournaledEvent[] events,
EventStreamProducer producer)
{
await producer.PublishAsync(events);
writerMock.Verify(self => self.AppendEventsAsync(events));
}
public async Task PublishAsync_WhenWriterThrows_MovesItToTheEndOfStreamAndTriesAppendAgain(
[Frozen] Mock<IEventStreamWriter> writerMock,
[Frozen] RetryPolicyStub retryPolicy,
JournaledEvent[] events,
EventStreamProducer producer)
{
var expectedAttemptsCount = 5;
retryPolicy.ConfigureMaxAttemptNumber(expectedAttemptsCount);
writerMock
.Setup(self => self.AppendEventsAsync(events))
.Throws<EventStreamConcurrencyException>();
await Assert.ThrowsAsync<EventStreamConcurrencyException>(() => producer.PublishAsync(events));
writerMock.Verify(self => self.MoveToEndOfStreamAsync());
writerMock.Verify(self => self.AppendEventsAsync(events), Times.Exactly(expectedAttemptsCount));
}