public async Task TestAggregateHandlerDefaultRequestType()
{
var configWatcher = new MockConfigWatcher(true, new Dictionary <string, (string, IEnumerable <IMessage>)>());
using var server = DiscoveryServerBuilder
.CreateFor(configWatcher)
.ConfigureDiscoveryService <AggregatedDiscoveryService>()
.Build();
await server.StartAsync();
var client = new AggregatedDiscoveryServiceClient(CreateGrpcChannel());
var duplex = client.StreamAggregatedResources();
var clientTask = HandleResponses(duplex.ResponseStream);
// Leave off the type URL. For ADS requests it should fail because the type URL is required.
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
});
await duplex.RequestStream.CompleteAsync();
var(responseErrors, responses, completed, error) = await clientTask;
}
public async Task TestCallbacksOnError()
{
int streamClosesWithErrors = 0;
var callbacks = Substitute.For <IDiscoveryServerCallbacks>();
callbacks
.When(x => x.OnStreamCloseWithError(Arg.Any <long>(), Arg.Any <string>(), Arg.Any <Exception>()))
.Do(_ => Interlocked.Increment(ref streamClosesWithErrors));
var configWatcher = new MockConfigWatcher(false, CreateResponses());
using var server = DiscoveryServerBuilder
.CreateFor(configWatcher, callbacks)
.ConfigureDiscoveryService <AggregatedDiscoveryService>()
.Build();
await server.StartAsync();
var client = new AggregatedDiscoveryServiceClient(CreateGrpcChannel());
var ctx = new CancellationTokenSource();
var duplex = client.StreamAggregatedResources(cancellationToken: ctx.Token);
await duplex.RequestStream.WriteAsync(new DiscoveryRequest());
ctx.Cancel();
WaitUntil(ref streamClosesWithErrors, 1, TimeSpan.FromSeconds(1));
streamClosesWithErrors.Should().Be(1);
}
public async Task TestSendError()
{
var configWatcher = new MockConfigWatcher(false, CreateResponses());
using var server = DiscoveryServerBuilder
.CreateFor(configWatcher)
.ConfigureDiscoveryService <AggregatedDiscoveryService>()
.Build();
await server.StartAsync();
var client = new AggregatedDiscoveryServiceClient(CreateGrpcChannel());
foreach (var typeUrl in Resources.TYPE_URLS)
{
var duplex = client.StreamAggregatedResources();
var clientTask = HandleResponses(duplex.ResponseStream, sendError: true);
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
TypeUrl = typeUrl
});
var(responseErrors, responses, completed, error) = await clientTask;
completed.Should().BeFalse();
error.Should().BeTrue();
responseErrors.Should().BeEmpty();
}
}
public async Task TestWatchClosed()
{
var configWatcher = new MockConfigWatcher(true, new Dictionary <string, (string, IEnumerable <IMessage>)>());
using var server = DiscoveryServerBuilder
.CreateFor(configWatcher)
.ConfigureDiscoveryService <AggregatedDiscoveryService>()
.Build();
await server.StartAsync();
var client = new AggregatedDiscoveryServiceClient(CreateGrpcChannel());
foreach (var typeUrl in Resources.TYPE_URLS)
{
// MockDiscoveryResponseObserver responseObserver = new MockDiscoveryResponseObserver();
var ctx = new CancellationTokenSource();
var duplex = client.StreamAggregatedResources(cancellationToken: ctx.Token);
var clientTask = HandleResponses(duplex.ResponseStream);
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
TypeUrl = typeUrl
});
ctx.Cancel();
var(responseErrors, responses, completed, error) = await clientTask;
error.Should().BeTrue();
completed.Should().BeFalse();
responseErrors.Should().BeEmpty();
}
}
public async Task TestStaleNonce()
{
var configWatcher = new MockConfigWatcher(false, CreateResponses());
using var server = DiscoveryServerBuilder
.CreateFor(configWatcher)
.ConfigureDiscoveryService <AggregatedDiscoveryService>()
.Build();
await server.StartAsync();
var client = new AggregatedDiscoveryServiceClient(CreateGrpcChannel());
foreach (var typeUrl in Resources.TYPE_URLS)
{
var duplex = client.StreamAggregatedResources();
var clientTask = HandleResponses(duplex.ResponseStream);
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
TypeUrl = typeUrl,
});
// Stale request, should not create a new watch.
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
TypeUrl = typeUrl,
ResponseNonce = "xyz"
});
// Fresh request, should create a new watch.
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
TypeUrl = typeUrl,
ResponseNonce = "1",
VersionInfo = "0"
});
await duplex.RequestStream.CompleteAsync();
var(responseErrors, responses, completed, error) = await clientTask;
// Assert that 2 watches have been created for this resource type.
configWatcher.counts[typeUrl].Should().Be(2);
}
}
public async Task TestAggregatedHandler()
{
var configWatcher = new MockConfigWatcher(false, CreateResponses());
using var server = DiscoveryServerBuilder
.CreateFor(configWatcher)
.ConfigureDiscoveryService <AggregatedDiscoveryService>()
.Build();
await server.StartAsync();
var client = new AggregatedDiscoveryServiceClient(CreateGrpcChannel());
var duplex = client.StreamAggregatedResources();
var clientTask = Task.Run(async() => await HandleResponses(duplex.ResponseStream));
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
TypeUrl = Resources.LISTENER_TYPE_URL
});
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
TypeUrl = Resources.CLUSTER_TYPE_URL,
});
var clusterRequest = new DiscoveryRequest
{
Node = NODE,
TypeUrl = Resources.ENDPOINT_TYPE_URL,
};
clusterRequest.ResourceNames.Add(CLUSTER_NAME);
await duplex.RequestStream.WriteAsync(clusterRequest);
var routeRequest = new DiscoveryRequest
{
Node = NODE,
TypeUrl = Resources.ROUTE_TYPE_URL,
};
routeRequest.ResourceNames.Add(ROUTE_NAME);
await duplex.RequestStream.WriteAsync(routeRequest);
var secretRequest = new DiscoveryRequest
{
Node = NODE,
TypeUrl = Resources.SECRET_TYPE_URL,
};
secretRequest.ResourceNames.Add(SECRET_NAME);
await duplex.RequestStream.WriteAsync(secretRequest);
await duplex.RequestStream.CompleteAsync();
var(responseErrors, responses, completed, error) = await clientTask;
completed.Should().BeTrue();
error.Should().BeFalse();
responseErrors.Should().BeEmpty();
foreach (var typeUrl in Resources.TYPE_URLS)
{
configWatcher.counts.Should().Contain(typeUrl, 1);
}
configWatcher.counts.Should().HaveCount(Resources.TYPE_URLS.Count());
foreach (var typeUrl in Resources.TYPE_URLS)
{
responses.Should().Contain(r => r.TypeUrl == typeUrl && r.VersionInfo == VERSION,
"missing expected response of type %s", typeUrl);
}
}
public async Task TestCallbacksAggregateHandler()
{
var assertionErrors = new List <string>();
int streamCloses = 0, streamOpens = 0, streamRequests = 0, streamResponses = 0;
var callbacks = Substitute.For <IDiscoveryServerCallbacks>();
void ValidateTypeUrl(string typeUrl, string caller)
{
if (typeUrl != Resources.ANY_TYPE_URL)
{
assertionErrors.Add($"{caller}#typeUrl => expected {Resources.ANY_TYPE_URL}, got {typeUrl}");
}
}
callbacks
.When(x => x.OnStreamClose(Arg.Any <long>(), Arg.Any <string>()))
.Do(args =>
{
ValidateTypeUrl(args.ArgAt <string>(1), "OnStreamClose");
Interlocked.Increment(ref streamCloses);
});
callbacks
.When(x => x.OnStreamOpen(Arg.Any <long>(), Arg.Any <string>()))
.Do(args =>
{
ValidateTypeUrl(args.ArgAt <string>(1), "OnStreamOpen");
Interlocked.Increment(ref streamOpens);
});
callbacks
.When(x => x.OnStreamRequest(Arg.Any <long>(), Arg.Any <DiscoveryRequest>()))
.Do(_ => Interlocked.Increment(ref streamRequests));
callbacks
.When(x => x.OnStreamResponse(Arg.Any <long>(), Arg.Any <DiscoveryRequest>(), Arg.Any <DiscoveryResponse>()))
.Do(_ => Interlocked.Increment(ref streamResponses));
var configWatcher = new MockConfigWatcher(false, CreateResponses());
using var server = DiscoveryServerBuilder
.CreateFor(configWatcher, callbacks)
.ConfigureDiscoveryService <AggregatedDiscoveryService>()
.Build();
await server.StartAsync();
var client = new AggregatedDiscoveryServiceClient(CreateGrpcChannel());
var duplex = client.StreamAggregatedResources();
var clientTask = HandleResponses(duplex.ResponseStream);
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
TypeUrl = Resources.LISTENER_TYPE_URL
});
WaitUntil(ref streamOpens, 1);
streamOpens.Should().Be(1);
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
TypeUrl = Resources.CLUSTER_TYPE_URL
});
var cluster = new DiscoveryRequest
{
Node = NODE,
TypeUrl = Resources.ENDPOINT_TYPE_URL,
};
cluster.ResourceNames.Add(CLUSTER_NAME);
await duplex.RequestStream.WriteAsync(cluster);
var route = new DiscoveryRequest
{
Node = NODE,
TypeUrl = Resources.ROUTE_TYPE_URL
};
route.ResourceNames.Add(ROUTE_NAME);
await duplex.RequestStream.WriteAsync(route);
var secret = new DiscoveryRequest
{
Node = NODE,
TypeUrl = Resources.SECRET_TYPE_URL,
};
secret.ResourceNames.Add(SECRET_NAME);
await duplex.RequestStream.WriteAsync(secret);
WaitUntil(ref streamRequests, Resources.TYPE_URLS.Count());
streamRequests.Should().Be(Resources.TYPE_URLS.Count());
WaitUntil(ref streamRequests, Resources.TYPE_URLS.Count());
streamResponses.Should().Be(Resources.TYPE_URLS.Count());
// Send another round of requests. These should not trigger any responses.
streamResponses = 0;
streamRequests = 0;
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
ResponseNonce = "0",
VersionInfo = VERSION,
TypeUrl = Resources.LISTENER_TYPE_URL
});
await duplex.RequestStream.WriteAsync(new DiscoveryRequest
{
Node = NODE,
ResponseNonce = "1",
TypeUrl = Resources.CLUSTER_TYPE_URL,
VersionInfo = VERSION,
});
var cluster2 = new DiscoveryRequest
{
Node = NODE,
ResponseNonce = "2",
TypeUrl = Resources.ENDPOINT_TYPE_URL,
VersionInfo = VERSION
};
cluster2.ResourceNames.Add(CLUSTER_NAME);
await duplex.RequestStream.WriteAsync(cluster2);
var route2 = new DiscoveryRequest
{
Node = NODE,
ResponseNonce = "3",
TypeUrl = Resources.ROUTE_TYPE_URL,
VersionInfo = VERSION
};
route2.ResourceNames.Add(ROUTE_NAME);
await duplex.RequestStream.WriteAsync(route2);
var secert2 = new DiscoveryRequest
{
Node = NODE,
ResponseNonce = "4",
TypeUrl = Resources.SECRET_TYPE_URL,
VersionInfo = VERSION,
};
secert2.ResourceNames.Add(SECRET_NAME);
await duplex.RequestStream.WriteAsync(secert2);
WaitUntil(ref streamRequests, Resources.TYPE_URLS.Count());
streamRequests.Should().Be(Resources.TYPE_URLS.Count());
streamResponses.Should().Be(0);
await duplex.RequestStream.CompleteAsync();
WaitUntil(ref streamCloses, 1);
streamCloses.Should().Be(1);
assertionErrors.Should().BeEmpty();
}