396 lines
16 KiB
C#
396 lines
16 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.SignalR.Protocol;
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using Microsoft.AspNetCore.SignalR.Tests;
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using Xunit;
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namespace Microsoft.AspNetCore.SignalR.Specification.Tests
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{
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public abstract class ScaleoutHubLifetimeManagerTests<TBackplane> : HubLifetimeManagerTestsBase<MyHub>
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{
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public abstract TBackplane CreateBackplane();
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public abstract HubLifetimeManager<MyHub> CreateNewHubLifetimeManager(TBackplane backplane);
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private async Task AssertMessageAsync(TestClient client)
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{
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var message = Assert.IsType<InvocationMessage>(await client.ReadAsync().OrTimeout());
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Assert.Equal("Hello", message.Target);
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Assert.Single(message.Arguments);
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Assert.Equal("World", (string)message.Arguments[0]);
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}
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[Fact]
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public async Task InvokeAllAsyncWithMultipleServersWritesToAllConnectionsOutput()
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{
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var backplane = CreateBackplane();
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var manager1 = CreateNewHubLifetimeManager(backplane);
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var manager2 = CreateNewHubLifetimeManager(backplane);
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using (var client1 = new TestClient())
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using (var client2 = new TestClient())
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{
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var connection1 = HubConnectionContextUtils.Create(client1.Connection);
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var connection2 = HubConnectionContextUtils.Create(client2.Connection);
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await manager1.OnConnectedAsync(connection1).OrTimeout();
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await manager2.OnConnectedAsync(connection2).OrTimeout();
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await manager1.SendAllAsync("Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client1);
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await AssertMessageAsync(client2);
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}
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}
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[Fact]
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public async Task InvokeAllAsyncWithMultipleServersDoesNotWriteToDisconnectedConnectionsOutput()
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{
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var backplane = CreateBackplane();
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var manager1 = CreateNewHubLifetimeManager(backplane);
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var manager2 = CreateNewHubLifetimeManager(backplane);
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using (var client1 = new TestClient())
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using (var client2 = new TestClient())
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{
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var connection1 = HubConnectionContextUtils.Create(client1.Connection);
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var connection2 = HubConnectionContextUtils.Create(client2.Connection);
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await manager1.OnConnectedAsync(connection1).OrTimeout();
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await manager2.OnConnectedAsync(connection2).OrTimeout();
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await manager2.OnDisconnectedAsync(connection2).OrTimeout();
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await manager2.SendAllAsync("Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client1);
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Assert.Null(client2.TryRead());
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}
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}
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[Fact]
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public async Task InvokeConnectionAsyncOnServerWithoutConnectionWritesOutputToConnection()
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{
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var backplane = CreateBackplane();
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var manager1 = CreateNewHubLifetimeManager(backplane);
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var manager2 = CreateNewHubLifetimeManager(backplane);
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using (var client = new TestClient())
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{
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var connection = HubConnectionContextUtils.Create(client.Connection);
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await manager1.OnConnectedAsync(connection).OrTimeout();
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await manager2.SendConnectionAsync(connection.ConnectionId, "Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client);
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}
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}
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[Fact]
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public async Task InvokeGroupAsyncOnServerWithoutConnectionWritesOutputToGroupConnection()
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{
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var backplane = CreateBackplane();
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var manager1 = CreateNewHubLifetimeManager(backplane);
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var manager2 = CreateNewHubLifetimeManager(backplane);
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using (var client = new TestClient())
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{
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var connection = HubConnectionContextUtils.Create(client.Connection);
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await manager1.OnConnectedAsync(connection).OrTimeout();
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await manager1.AddToGroupAsync(connection.ConnectionId, "name").OrTimeout();
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await manager2.SendGroupAsync("name", "Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client);
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}
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}
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[Fact]
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public async Task DisconnectConnectionRemovesConnectionFromGroup()
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{
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var backplane = CreateBackplane();
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var manager = CreateNewHubLifetimeManager(backplane);
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using (var client = new TestClient())
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{
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var connection = HubConnectionContextUtils.Create(client.Connection);
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await manager.OnConnectedAsync(connection).OrTimeout();
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await manager.AddToGroupAsync(connection.ConnectionId, "name").OrTimeout();
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await manager.OnDisconnectedAsync(connection).OrTimeout();
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await manager.SendGroupAsync("name", "Hello", new object[] { "World" }).OrTimeout();
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Assert.Null(client.TryRead());
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}
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}
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[Fact]
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public async Task RemoveGroupFromLocalConnectionNotInGroupDoesNothing()
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{
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var backplane = CreateBackplane();
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var manager = CreateNewHubLifetimeManager(backplane);
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using (var client = new TestClient())
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{
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var connection = HubConnectionContextUtils.Create(client.Connection);
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await manager.OnConnectedAsync(connection).OrTimeout();
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await manager.RemoveFromGroupAsync(connection.ConnectionId, "name").OrTimeout();
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}
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}
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[Fact]
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public async Task RemoveGroupFromConnectionOnDifferentServerNotInGroupDoesNothing()
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{
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var backplane = CreateBackplane();
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var manager1 = CreateNewHubLifetimeManager(backplane);
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var manager2 = CreateNewHubLifetimeManager(backplane);
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using (var client = new TestClient())
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{
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var connection = HubConnectionContextUtils.Create(client.Connection);
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await manager1.OnConnectedAsync(connection).OrTimeout();
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await manager2.RemoveFromGroupAsync(connection.ConnectionId, "name").OrTimeout();
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}
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}
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[Fact]
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public async Task AddGroupAsyncForConnectionOnDifferentServerWorks()
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{
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var backplane = CreateBackplane();
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var manager1 = CreateNewHubLifetimeManager(backplane);
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var manager2 = CreateNewHubLifetimeManager(backplane);
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using (var client = new TestClient())
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{
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var connection = HubConnectionContextUtils.Create(client.Connection);
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await manager1.OnConnectedAsync(connection).OrTimeout();
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await manager2.AddToGroupAsync(connection.ConnectionId, "name").OrTimeout();
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await manager2.SendGroupAsync("name", "Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client);
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}
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}
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[Fact]
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public async Task AddGroupAsyncForLocalConnectionAlreadyInGroupDoesNothing()
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{
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var backplane = CreateBackplane();
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var manager = CreateNewHubLifetimeManager(backplane);
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using (var client = new TestClient())
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{
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var connection = HubConnectionContextUtils.Create(client.Connection);
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await manager.OnConnectedAsync(connection).OrTimeout();
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await manager.AddToGroupAsync(connection.ConnectionId, "name").OrTimeout();
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await manager.AddToGroupAsync(connection.ConnectionId, "name").OrTimeout();
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await manager.SendGroupAsync("name", "Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client);
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Assert.Null(client.TryRead());
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}
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}
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[Fact]
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public async Task AddGroupAsyncForConnectionOnDifferentServerAlreadyInGroupDoesNothing()
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{
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var backplane = CreateBackplane();
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var manager1 = CreateNewHubLifetimeManager(backplane);
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var manager2 = CreateNewHubLifetimeManager(backplane);
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using (var client = new TestClient())
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{
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var connection = HubConnectionContextUtils.Create(client.Connection);
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await manager1.OnConnectedAsync(connection).OrTimeout();
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await manager1.AddToGroupAsync(connection.ConnectionId, "name").OrTimeout();
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await manager2.AddToGroupAsync(connection.ConnectionId, "name").OrTimeout();
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await manager2.SendGroupAsync("name", "Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client);
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Assert.Null(client.TryRead());
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}
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}
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[Fact]
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public async Task RemoveGroupAsyncForConnectionOnDifferentServerWorks()
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{
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var backplane = CreateBackplane();
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var manager1 = CreateNewHubLifetimeManager(backplane);
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var manager2 = CreateNewHubLifetimeManager(backplane);
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using (var client = new TestClient())
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{
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var connection = HubConnectionContextUtils.Create(client.Connection);
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await manager1.OnConnectedAsync(connection).OrTimeout();
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await manager1.AddToGroupAsync(connection.ConnectionId, "name").OrTimeout();
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await manager2.SendGroupAsync("name", "Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client);
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await manager2.RemoveFromGroupAsync(connection.ConnectionId, "name").OrTimeout();
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await manager2.SendGroupAsync("name", "Hello", new object[] { "World" }).OrTimeout();
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Assert.Null(client.TryRead());
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}
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}
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[Fact]
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public async Task InvokeConnectionAsyncForLocalConnectionDoesNotPublishToBackplane()
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{
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var backplane = CreateBackplane();
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var manager1 = CreateNewHubLifetimeManager(backplane);
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var manager2 = CreateNewHubLifetimeManager(backplane);
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using (var client = new TestClient())
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{
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var connection = HubConnectionContextUtils.Create(client.Connection);
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// Add connection to both "servers" to see if connection receives message twice
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await manager1.OnConnectedAsync(connection).OrTimeout();
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await manager2.OnConnectedAsync(connection).OrTimeout();
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await manager1.SendConnectionAsync(connection.ConnectionId, "Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client);
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Assert.Null(client.TryRead());
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}
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}
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[Fact]
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public async Task WritingToRemoteConnectionThatFailsDoesNotThrow()
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{
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var backplane = CreateBackplane();
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var manager1 = CreateNewHubLifetimeManager(backplane);
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var manager2 = CreateNewHubLifetimeManager(backplane);
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using (var client = new TestClient())
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{
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// Force an exception when writing to connection
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var connectionMock = HubConnectionContextUtils.CreateMock(client.Connection);
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await manager2.OnConnectedAsync(connectionMock).OrTimeout();
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// This doesn't throw because there is no connection.ConnectionId on this server so it has to publish to the backplane.
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// And once that happens there is no way to know if the invocation was successful or not.
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await manager1.SendConnectionAsync(connectionMock.ConnectionId, "Hello", new object[] { "World" }).OrTimeout();
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}
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}
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[Fact]
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public async Task WritingToGroupWithOneConnectionFailingSecondConnectionStillReceivesMessage()
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{
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var backplane = CreateBackplane();
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var manager = CreateNewHubLifetimeManager(backplane);
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using (var client1 = new TestClient())
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using (var client2 = new TestClient())
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{
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// Force an exception when writing to connection
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var connectionMock = HubConnectionContextUtils.CreateMock(client1.Connection);
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var connection1 = connectionMock;
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var connection2 = HubConnectionContextUtils.Create(client2.Connection);
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await manager.OnConnectedAsync(connection1).OrTimeout();
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await manager.AddToGroupAsync(connection1.ConnectionId, "group");
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await manager.OnConnectedAsync(connection2).OrTimeout();
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await manager.AddToGroupAsync(connection2.ConnectionId, "group");
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await manager.SendGroupAsync("group", "Hello", new object[] { "World" }).OrTimeout();
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// connection1 will throw when receiving a group message, we are making sure other connections
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// are not affected by another connection throwing
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await AssertMessageAsync(client2);
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// Repeat to check that group can still be sent to
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await manager.SendGroupAsync("group", "Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client2);
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}
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}
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[Fact]
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public async Task InvokeUserSendsToAllConnectionsForUser()
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{
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var backplane = CreateBackplane();
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var manager = CreateNewHubLifetimeManager(backplane);
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using (var client1 = new TestClient())
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using (var client2 = new TestClient())
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using (var client3 = new TestClient())
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{
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var connection1 = HubConnectionContextUtils.Create(client1.Connection, userIdentifier: "userA");
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var connection2 = HubConnectionContextUtils.Create(client2.Connection, userIdentifier: "userA");
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var connection3 = HubConnectionContextUtils.Create(client3.Connection, userIdentifier: "userB");
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await manager.OnConnectedAsync(connection1).OrTimeout();
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await manager.OnConnectedAsync(connection2).OrTimeout();
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await manager.OnConnectedAsync(connection3).OrTimeout();
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await manager.SendUserAsync("userA", "Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client1);
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await AssertMessageAsync(client2);
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}
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}
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[Fact]
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public async Task StillSubscribedToUserAfterOneOfMultipleConnectionsAssociatedWithUserDisconnects()
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{
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var backplane = CreateBackplane();
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var manager = CreateNewHubLifetimeManager(backplane);
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using (var client1 = new TestClient())
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using (var client2 = new TestClient())
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using (var client3 = new TestClient())
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{
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var connection1 = HubConnectionContextUtils.Create(client1.Connection, userIdentifier: "userA");
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var connection2 = HubConnectionContextUtils.Create(client2.Connection, userIdentifier: "userA");
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var connection3 = HubConnectionContextUtils.Create(client3.Connection, userIdentifier: "userB");
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await manager.OnConnectedAsync(connection1).OrTimeout();
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await manager.OnConnectedAsync(connection2).OrTimeout();
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await manager.OnConnectedAsync(connection3).OrTimeout();
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await manager.SendUserAsync("userA", "Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client1);
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await AssertMessageAsync(client2);
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// Disconnect one connection for the user
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await manager.OnDisconnectedAsync(connection1).OrTimeout();
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await manager.SendUserAsync("userA", "Hello", new object[] { "World" }).OrTimeout();
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await AssertMessageAsync(client2);
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}
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}
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}
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public class MyHub : Hub
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{
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}
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}
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