public void SelectServerAsync_should_keep_trying_to_match_by_waiting_on_cluster_description_changes()
{
var subject = CreateSubject();
subject.Initialize();
var connecting = ServerDescriptionHelper.Disconnected(subject.Description.ClusterId);
var connected = ServerDescriptionHelper.Connected(subject.Description.ClusterId);
subject.SetServerDescriptions(connecting);
Task.Run(() =>
{
var descriptions = new Queue <ServerDescription>(new[] { connecting, connecting, connecting, connected });
while (descriptions.Count > 0)
{
Thread.Sleep(TimeSpan.FromMilliseconds(20));
var next = descriptions.Dequeue();
subject.SetServerDescriptions(next);
}
});
var selector = new DelegateServerSelector((c, s) => s);
var result = subject.SelectServerAsync(selector, Timeout.InfiniteTimeSpan, CancellationToken.None).Result;
result.Should().NotBeNull();
}
public void ServerDescription_should_return_description_of_server()
{
var subject = new ServerConnectionSource(_server);
var desc = ServerDescriptionHelper.Disconnected(new ClusterId());
_server.Description.Returns(desc);
var result = subject.ServerDescription;
result.Should().BeSameAs(desc);
}
public void ServerDescription_should_return_description_of_server()
{
var subject = new ServerChannelSource(_mockServer.Object);
var desc = ServerDescriptionHelper.Disconnected(new ClusterId());
_mockServer.SetupGet(s => s.Description).Returns(desc);
var result = subject.ServerDescription;
result.Should().BeSameAs(desc);
}
public void SelectServer_should_keep_trying_to_match_by_waiting_on_cluster_description_changes(
[Values(false, true)]
bool async)
{
var subject = CreateSubject();
subject.Initialize();
var connecting = ServerDescriptionHelper.Disconnected(subject.Description.ClusterId);
var connected = ServerDescriptionHelper.Connected(subject.Description.ClusterId);
subject.SetServerDescriptions(connecting);
_capturedEvents.Clear();
Task.Run(() =>
{
var descriptions = new Queue <ServerDescription>(new[] { connecting, connecting, connecting, connected });
while (descriptions.Count > 0)
{
Thread.Sleep(TimeSpan.FromMilliseconds(20));
var next = descriptions.Dequeue();
subject.SetServerDescriptions(next);
}
});
var selector = new DelegateServerSelector((c, s) => s);
IServer result;
if (async)
{
result = subject.SelectServerAsync(selector, CancellationToken.None).GetAwaiter().GetResult();
}
else
{
result = subject.SelectServer(selector, CancellationToken.None);
}
result.Should().NotBeNull();
_capturedEvents.Next().Should().BeOfType <ClusterSelectingServerEvent>();
_capturedEvents.Next().Should().BeOfType <ClusterDescriptionChangedEvent>();
_capturedEvents.Next().Should().BeOfType <ClusterDescriptionChangedEvent>();
_capturedEvents.Next().Should().BeOfType <ClusterDescriptionChangedEvent>();
_capturedEvents.Next().Should().BeOfType <ClusterDescriptionChangedEvent>();
_capturedEvents.Next().Should().BeOfType <ClusterSelectedServerEvent>();
_capturedEvents.Any().Should().BeFalse();
}