public async Task TestServiceConnectionWithNormalApplicationTask()
{
using (StartVerifiableLog(out var loggerFactory, LogLevel.Debug))
{
var ccm = new TestClientConnectionManager();
var ccf = new ClientConnectionFactory();
var protocol = new ServiceProtocol();
TestConnection transportConnection = null;
var connectionFactory = new TestConnectionFactory(conn =>
{
transportConnection = conn;
return(Task.CompletedTask);
});
var services = new ServiceCollection();
var builder = new ConnectionBuilder(services.BuildServiceProvider());
builder.UseConnectionHandler <TestConnectionHandler>();
ConnectionDelegate handler = builder.Build();
var connection = new ServiceConnection(protocol, ccm, connectionFactory, loggerFactory, handler, ccf,
"serverId", Guid.NewGuid().ToString("N"), null, null);
var connectionTask = connection.StartAsync();
// completed handshake
await connection.ConnectionInitializedTask.OrTimeout();
Assert.Equal(ServiceConnectionStatus.Connected, connection.Status);
var clientConnectionId = Guid.NewGuid().ToString();
await transportConnection.Application.Output.WriteAsync(
protocol.GetMessageBytes(new OpenConnectionMessage(clientConnectionId, new Claim[] { })));
var clientConnection = await ccm.WaitForClientConnectionAsync(clientConnectionId).OrTimeout();
await transportConnection.Application.Output.WriteAsync(
protocol.GetMessageBytes(new CloseConnectionMessage(clientConnectionId)));
// Normal end with close message
await ccm.WaitForClientConnectionRemovalAsync(clientConnectionId).OrTimeout();
// another connection comes in
clientConnectionId = Guid.NewGuid().ToString();
await transportConnection.Application.Output.WriteAsync(
protocol.GetMessageBytes(new OpenConnectionMessage(clientConnectionId, new Claim[] { })));
clientConnection = await ccm.WaitForClientConnectionAsync(clientConnectionId).OrTimeout();
// complete reading to end the connection
transportConnection.Application.Output.Complete();
await connectionTask.OrTimeout();
Assert.Equal(ServiceConnectionStatus.Disconnected, connection.Status);
Assert.Empty(ccm.ClientConnections);
}
}
public async Task TestServiceConnectionWithErrorApplicationTask()
{
using (StartVerifiableLog(out var loggerFactory, LogLevel.Warning, expectedErrors: c => true,
logChecker: logs =>
{
Assert.Equal(2, logs.Count);
Assert.Equal("SendLoopStopped", logs[0].Write.EventId.Name);
Assert.Equal("ApplicationTaskFailed", logs[1].Write.EventId.Name);
return(true);
}))
{
var ccm = new TestClientConnectionManager();
var ccf = new ClientConnectionFactory();
var protocol = new ServiceProtocol();
TestConnection transportConnection = null;
var connectionFactory = new TestConnectionFactory(conn =>
{
transportConnection = conn;
return(Task.CompletedTask);
});
var services = new ServiceCollection();
var errorTcs = new TaskCompletionSource <Exception>();
var connectionHandler = new ErrorConnectionHandler(errorTcs);
services.AddSingleton(connectionHandler);
var builder = new ConnectionBuilder(services.BuildServiceProvider());
builder.UseConnectionHandler <ErrorConnectionHandler>();
ConnectionDelegate handler = builder.Build();
var connection = new ServiceConnection(protocol, ccm, connectionFactory, loggerFactory, handler, ccf,
"serverId", Guid.NewGuid().ToString("N"), null, null);
var connectionTask = connection.StartAsync();
// completed handshake
await connection.ConnectionInitializedTask.OrTimeout();
Assert.Equal(ServiceConnectionStatus.Connected, connection.Status);
var clientConnectionId = Guid.NewGuid().ToString();
await transportConnection.Application.Output.WriteAsync(
protocol.GetMessageBytes(new OpenConnectionMessage(clientConnectionId, new Claim[] { })));
var clientConnection = await ccm.WaitForClientConnectionAsync(clientConnectionId).OrTimeout();
errorTcs.SetException(new InvalidOperationException("error operation"));
await clientConnection.LifetimeTask.OrTimeout();
// Should complete the connection when application throws
await ccm.WaitForClientConnectionRemovalAsync(clientConnectionId).OrTimeout();
// Application task should not affect the underlying service connection
Assert.Equal(ServiceConnectionStatus.Connected, connection.Status);
// complete reading to end the connection
transportConnection.Application.Output.Complete();
await connectionTask.OrTimeout();
Assert.Equal(ServiceConnectionStatus.Disconnected, connection.Status);
Assert.Empty(ccm.ClientConnections);
}
}