public async Task Should_throw_unrecoverable_concurrency_exception_for_initial_version()
{
//Arrange
var sut = new InMemoryRepository();
var stream = "stream";
var appendedDescriptors = new List <EventDescriptor>
{
new EventDescriptor(Guid.NewGuid(), "type", "data", stream, Guid.NewGuid()),
new EventDescriptor(Guid.NewGuid(), "type", "data", stream, Guid.NewGuid())
};
await sut.AppendEventsToStreamAsync(stream, appendedDescriptors, 0, CancellationToken.None);
//Act
Func <Task> action2 = async() =>
await sut.AppendEventsToStreamAsync(stream, appendedDescriptors, 0, CancellationToken.None);
//Assert
action2.Should().Throw <ConcurrencyUnrecoverableException>();
}
public void Should_throw_concurrency_exception_for_wrong_version()
{
//Arrange
var sut = new InMemoryRepository();
var stream = "stream";
var appendedDescriptors = new List <EventDescriptor>
{
new EventDescriptor(Guid.NewGuid(), "type", "data", stream, Guid.NewGuid()),
new EventDescriptor(Guid.NewGuid(), "type", "data", stream, Guid.NewGuid())
};
//Act
Func <Task> action = async() =>
await sut.AppendEventsToStreamAsync(stream, appendedDescriptors, 999, CancellationToken.None);
//Assert
action.Should().Throw <ConcurrencyException>();
}
public async Task Should_get_appended_events_in_same_order()
{
//Arrange
var sut = new InMemoryRepository();
var stream = "stream";
var appendedDescriptors = new List <EventDescriptor>
{
new EventDescriptor(Guid.NewGuid(), "type", "data", stream, Guid.NewGuid()),
new EventDescriptor(Guid.NewGuid(), "type", "data", stream, Guid.NewGuid())
};
//Act
await sut.AppendEventsToStreamAsync(stream, appendedDescriptors, 0, CancellationToken.None);
var receivedEvents = await sut.GetEventsFromStreamAsync(stream, null, CancellationToken.None);
//Assert
receivedEvents.Should().NotBeNull();
receivedEvents.Should().Equal(appendedDescriptors);
}
