HubLifetimeManagerTestBase.cs

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System.Threading.Tasks;
using Microsoft.AspNetCore.SignalR.Protocol;
using Microsoft.AspNetCore.SignalR.Tests;
using Xunit;

namespace Microsoft.AspNetCore.SignalR.Specification.Tests
{
    public abstract class HubLifetimeManagerTestsBase<THub> where THub : Hub
    {
        public HubLifetimeManager<THub> Manager { get; set; }

        public abstract HubLifetimeManager<THub> CreateNewHubLifetimeManager();

        [Fact]
        public async Task SendAllAsyncWritesToAllConnectionsOutput()
        {
            using (var client1 = new TestClient())
            using (var client2 = new TestClient())
            {
                var manager = CreateNewHubLifetimeManager();
                var connection1 = HubConnectionContextUtils.Create(client1.Connection);
                var connection2 = HubConnectionContextUtils.Create(client2.Connection);

                await manager.OnConnectedAsync(connection1).OrTimeout();
                await manager.OnConnectedAsync(connection2).OrTimeout();

                await manager.SendAllAsync("Hello", new object[] { "World" }).OrTimeout();

                var message = Assert.IsType<InvocationMessage>(client1.TryRead());
                Assert.Equal("Hello", message.Target);
                Assert.Single(message.Arguments);
                Assert.Equal("World", (string)message.Arguments[0]);

                message = Assert.IsType<InvocationMessage>(client2.TryRead());
                Assert.Equal("Hello", message.Target);
                Assert.Single(message.Arguments);
                Assert.Equal("World", (string)message.Arguments[0]);
            }
        }

        [Fact]
        public async Task SendAllAsyncDoesNotWriteToDisconnectedConnectionsOutput()
        {
            using (var client1 = new TestClient())
            using (var client2 = new TestClient())
            {
                var manager = CreateNewHubLifetimeManager();
                var connection1 = HubConnectionContextUtils.Create(client1.Connection);
                var connection2 = HubConnectionContextUtils.Create(client2.Connection);

                await manager.OnConnectedAsync(connection1).OrTimeout();
                await manager.OnConnectedAsync(connection2).OrTimeout();

                await manager.OnDisconnectedAsync(connection2).OrTimeout();

                await manager.SendAllAsync("Hello", new object[] { "World" }).OrTimeout();

                var message = Assert.IsType<InvocationMessage>(client1.TryRead());
                Assert.Equal("Hello", message.Target);
                Assert.Single(message.Arguments);
                Assert.Equal("World", (string)message.Arguments[0]);

                Assert.Null(client2.TryRead());
            }
        }

        [Fact]
        public async Task SendGroupAsyncWritesToAllConnectionsInGroupOutput()
        {
            using (var client1 = new TestClient())
            using (var client2 = new TestClient())
            {
                var manager = CreateNewHubLifetimeManager();
                var connection1 = HubConnectionContextUtils.Create(client1.Connection);
                var connection2 = HubConnectionContextUtils.Create(client2.Connection);

                await manager.OnConnectedAsync(connection1).OrTimeout();
                await manager.OnConnectedAsync(connection2).OrTimeout();

                await manager.AddToGroupAsync(connection1.ConnectionId, "group").OrTimeout();

                await manager.SendGroupAsync("group", "Hello", new object[] { "World" }).OrTimeout();

                var message = Assert.IsType<InvocationMessage>(client1.TryRead());
                Assert.Equal("Hello", message.Target);
                Assert.Single(message.Arguments);
                Assert.Equal("World", (string)message.Arguments[0]);

                Assert.Null(client2.TryRead());
            }
        }

        [Fact]
        public async Task SendGroupExceptAsyncDoesNotWriteToExcludedConnections()
        {
            using (var client1 = new TestClient())
            using (var client2 = new TestClient())
            {
                var manager = CreateNewHubLifetimeManager();
                var connection1 = HubConnectionContextUtils.Create(client1.Connection);
                var connection2 = HubConnectionContextUtils.Create(client2.Connection);

                await manager.OnConnectedAsync(connection1).OrTimeout();
                await manager.OnConnectedAsync(connection2).OrTimeout();

                await manager.AddToGroupAsync(connection1.ConnectionId, "group1").OrTimeout();
                await manager.AddToGroupAsync(connection2.ConnectionId, "group1").OrTimeout();

                await manager.SendGroupExceptAsync("group1", "Hello", new object[] { "World" }, new[] { connection2.ConnectionId }).OrTimeout();

                var message = Assert.IsType<InvocationMessage>(client1.TryRead());
                Assert.Equal("Hello", message.Target);
                Assert.Single(message.Arguments);
                Assert.Equal("World", (string)message.Arguments[0]);

                Assert.Null(client2.TryRead());
            }
        }

        [Fact]
        public async Task SendConnectionAsyncWritesToConnectionOutput()
        {
            using (var client = new TestClient())
            {
                var manager = CreateNewHubLifetimeManager();
                var connection = HubConnectionContextUtils.Create(client.Connection);

                await manager.OnConnectedAsync(connection).OrTimeout();

                await manager.SendConnectionAsync(connection.ConnectionId, "Hello", new object[] { "World" }).OrTimeout();

                var message = Assert.IsType<InvocationMessage>(client.TryRead());
                Assert.Equal("Hello", message.Target);
                Assert.Single(message.Arguments);
                Assert.Equal("World", (string)message.Arguments[0]);
            }
        }
    }
}