1131 lines
41 KiB
C#
1131 lines
41 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Threading;
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using System.Threading.Tasks;
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using CommunityToolkit.Mvvm.Messaging;
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using CommunityToolkit.Mvvm.Messaging.Messages;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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namespace CommunityToolkit.Mvvm.UnitTests;
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[TestClass]
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public partial class Test_Messenger
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{
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_UnregisterRecipientWithMessageType(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object? recipient = new();
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messenger.Unregister<MessageA>(recipient);
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_UnregisterRecipientWithMessageTypeAndToken(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object? recipient = new();
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messenger.Unregister<MessageA, string>(recipient, nameof(MessageA));
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_UnregisterRecipientWithToken(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object? recipient = new();
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messenger.UnregisterAll(recipient, nameof(MessageA));
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_UnregisterRecipientWithRecipient(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object? recipient = new();
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messenger.UnregisterAll(recipient);
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_RegisterAndUnregisterRecipientWithMessageType(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object? recipient = new();
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messenger.Register<MessageA>(recipient, (r, m) => { });
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Assert.IsTrue(messenger.IsRegistered<MessageA>(recipient));
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messenger.Unregister<MessageA>(recipient);
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Assert.IsFalse(messenger.IsRegistered<MessageA>(recipient));
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_RegisterAndUnregisterRecipientWithMessageTypeAndToken(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object? recipient = new();
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messenger.Register<MessageA, string>(recipient, nameof(MessageA), (r, m) => { });
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, nameof(MessageA)));
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messenger.Unregister<MessageA, string>(recipient, nameof(MessageA));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, nameof(MessageA)));
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_RegisterAndUnregisterRecipientWithMessageTypeAndMultipleTokens(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object? recipient = new();
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Assert.IsFalse(messenger.IsRegistered<MessageA, int>(recipient, 1));
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Assert.IsFalse(messenger.IsRegistered<MessageA, int>(recipient, 2));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, "a"));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, "b"));
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messenger.Register<MessageA, int>(recipient, 1, (r, m) => { });
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Assert.IsTrue(messenger.IsRegistered<MessageA, int>(recipient, 1));
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Assert.IsFalse(messenger.IsRegistered<MessageA, int>(recipient, 2));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, "a"));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, "b"));
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messenger.Register<MessageA, int>(recipient, 2, (r, m) => { });
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Assert.IsTrue(messenger.IsRegistered<MessageA, int>(recipient, 1));
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Assert.IsTrue(messenger.IsRegistered<MessageA, int>(recipient, 2));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, "a"));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, "b"));
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messenger.Register<MessageA, string>(recipient, "a", (r, m) => { });
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Assert.IsTrue(messenger.IsRegistered<MessageA, int>(recipient, 1));
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Assert.IsTrue(messenger.IsRegistered<MessageA, int>(recipient, 2));
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, "a"));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, "b"));
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messenger.Register<MessageA, string>(recipient, "b", (r, m) => { });
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Assert.IsTrue(messenger.IsRegistered<MessageA, int>(recipient, 1));
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Assert.IsTrue(messenger.IsRegistered<MessageA, int>(recipient, 2));
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, "a"));
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, "b"));
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messenger.Unregister<MessageA, int>(recipient, 1);
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Assert.IsFalse(messenger.IsRegistered<MessageA, int>(recipient, 1));
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Assert.IsTrue(messenger.IsRegistered<MessageA, int>(recipient, 2));
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, "a"));
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, "b"));
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messenger.Unregister<MessageA, int>(recipient, 2);
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Assert.IsFalse(messenger.IsRegistered<MessageA, int>(recipient, 1));
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Assert.IsFalse(messenger.IsRegistered<MessageA, int>(recipient, 2));
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, "a"));
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, "b"));
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messenger.Unregister<MessageA, string>(recipient, "a");
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Assert.IsFalse(messenger.IsRegistered<MessageA, int>(recipient, 1));
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Assert.IsFalse(messenger.IsRegistered<MessageA, int>(recipient, 2));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, "a"));
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, "b"));
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messenger.Unregister<MessageA, string>(recipient, "b");
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Assert.IsFalse(messenger.IsRegistered<MessageA, int>(recipient, 1));
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Assert.IsFalse(messenger.IsRegistered<MessageA, int>(recipient, 2));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, "a"));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, "b"));
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_RegisterAndUnregisterRecipientWithToken(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object? recipient = new();
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messenger.Register<MessageA, string>(recipient, nameof(MessageA), (r, m) => { });
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, nameof(MessageA)));
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messenger.UnregisterAll(recipient, nameof(MessageA));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, nameof(MessageA)));
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_RegisterAndUnregisterRecipientWithRecipient(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object? recipient = new();
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messenger.Register<MessageA, string>(recipient, nameof(MessageA), (r, m) => { });
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, nameof(MessageA)));
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messenger.UnregisterAll(recipient);
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(recipient, nameof(MessageA)));
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_IsRegistered_Register_Send_UnregisterOfTMessage_WithNoToken(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object a = new();
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Assert.IsFalse(messenger.IsRegistered<MessageA>(a));
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object? recipient = null;
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string? result = null;
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messenger.Register<MessageA>(a, (r, m) =>
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{
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recipient = r;
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result = m.Text;
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});
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Assert.IsTrue(messenger.IsRegistered<MessageA>(a));
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_ = messenger.Send(new MessageA { Text = nameof(MessageA) });
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Assert.AreSame(recipient, a);
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Assert.AreEqual(result, nameof(MessageA));
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messenger.Unregister<MessageA>(a);
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Assert.IsFalse(messenger.IsRegistered<MessageA>(a));
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recipient = null;
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result = null;
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_ = messenger.Send(new MessageA { Text = nameof(MessageA) });
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Assert.IsNull(recipient);
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Assert.IsNull(result);
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_IsRegistered_Register_Send_UnregisterRecipient_WithNoToken(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object a = new();
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Assert.IsFalse(messenger.IsRegistered<MessageA>(a));
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string? result = null;
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messenger.Register<MessageA>(a, (r, m) => result = m.Text);
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Assert.IsTrue(messenger.IsRegistered<MessageA>(a));
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_ = messenger.Send(new MessageA { Text = nameof(MessageA) });
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Assert.AreEqual(result, nameof(MessageA));
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messenger.UnregisterAll(a);
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Assert.IsFalse(messenger.IsRegistered<MessageA>(a));
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result = null;
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_ = messenger.Send(new MessageA { Text = nameof(MessageA) });
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Assert.IsNull(result);
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_IsRegistered_Register_Send_UnregisterOfTMessage_WithToken(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object a = new();
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Assert.IsFalse(messenger.IsRegistered<MessageA>(a));
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string? result = null;
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messenger.Register<MessageA, string>(a, nameof(MessageA), (r, m) => result = m.Text);
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(a, nameof(MessageA)));
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_ = messenger.Send(new MessageA { Text = nameof(MessageA) }, nameof(MessageA));
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Assert.AreEqual(result, nameof(MessageA));
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messenger.Unregister<MessageA, string>(a, nameof(MessageA));
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Assert.IsFalse(messenger.IsRegistered<MessageA, string>(a, nameof(MessageA)));
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result = null;
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_ = messenger.Send(new MessageA { Text = nameof(MessageA) }, nameof(MessageA));
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Assert.IsNull(result);
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_DuplicateRegistrationWithMessageType(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object? recipient = new();
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messenger.Register<MessageA>(recipient, (r, m) => { });
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_ = Assert.ThrowsException<InvalidOperationException>(() =>
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{
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messenger.Register<MessageA>(recipient, (r, m) => { });
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});
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_DuplicateRegistrationWithMessageTypeAndToken(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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object? recipient = new();
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messenger.Register<MessageA, string>(recipient, nameof(MessageA), (r, m) => { });
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_ = Assert.ThrowsException<InvalidOperationException>(() =>
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{
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messenger.Register<MessageA, string>(recipient, nameof(MessageA), (r, m) => { });
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});
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_IRecipient_NoMessages(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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RecipientWithNoMessages? recipient = new();
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messenger.RegisterAll(recipient);
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// We just need to verify we got here with no errors, this
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// recipient has no declared handlers so there's nothing to do
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_IRecipient_SomeMessages_NoToken(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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RecipientWithSomeMessages? recipient = new();
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messenger.RegisterAll(recipient);
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Assert.IsTrue(messenger.IsRegistered<MessageA>(recipient));
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Assert.IsTrue(messenger.IsRegistered<MessageB>(recipient));
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Assert.AreEqual(recipient.As, 0);
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Assert.AreEqual(recipient.Bs, 0);
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_ = messenger.Send<MessageA>();
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Assert.AreEqual(recipient.As, 1);
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Assert.AreEqual(recipient.Bs, 0);
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_ = messenger.Send<MessageB>();
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Assert.AreEqual(recipient.As, 1);
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Assert.AreEqual(recipient.Bs, 1);
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messenger.UnregisterAll(recipient);
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Assert.IsFalse(messenger.IsRegistered<MessageA>(recipient));
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Assert.IsFalse(messenger.IsRegistered<MessageB>(recipient));
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}
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// See https://github.com/CommunityToolkit/dotnet/issues/198
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_IRecipient_SomeMessages_WithGenericTypeParameters(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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GenericRecipient<string> recipient = new();
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messenger.RegisterAll(recipient);
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Assert.IsTrue(messenger.IsRegistered<GenericRecipient<string>.Message>(recipient));
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Assert.IsTrue(messenger.IsRegistered<ValueChangedMessage<string>>(recipient));
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Assert.IsTrue(messenger.IsRegistered<MessageA>(recipient));
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Assert.IsNull(recipient.ReceivedMessage1);
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Assert.IsNull(recipient.ReceivedMessage2);
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Assert.IsNull(recipient.ReceivedMessage3);
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GenericRecipient<string>.Message message1 = messenger.Send(new GenericRecipient<string>.Message(new List<string> { "Hello world!" }));
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ValueChangedMessage<string> message2 = messenger.Send(new ValueChangedMessage<string>("Hello"));
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MessageA message3 = messenger.Send<MessageA>();
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Assert.AreSame(recipient.ReceivedMessage1, message1);
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Assert.AreSame(recipient.ReceivedMessage2, message2);
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Assert.AreSame(recipient.ReceivedMessage3, message3);
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messenger.UnregisterAll(recipient);
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Assert.IsFalse(messenger.IsRegistered<GenericRecipient<string>.Message>(recipient));
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Assert.IsFalse(messenger.IsRegistered<ValueChangedMessage<string>>(recipient));
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Assert.IsFalse(messenger.IsRegistered<MessageA>(recipient));
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_IRecipient_SomeMessages_WithToken(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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RecipientWithSomeMessages? recipient = new();
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string? token = nameof(Test_Messenger_IRecipient_SomeMessages_WithToken);
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messenger.RegisterAll(recipient, token);
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Assert.IsTrue(messenger.IsRegistered<MessageA, string>(recipient, token));
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Assert.IsTrue(messenger.IsRegistered<MessageB, string>(recipient, token));
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Assert.IsFalse(messenger.IsRegistered<MessageA>(recipient));
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Assert.IsFalse(messenger.IsRegistered<MessageB>(recipient));
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Assert.AreEqual(recipient.As, 0);
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Assert.AreEqual(recipient.Bs, 0);
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_ = messenger.Send<MessageB, string>(token);
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Assert.AreEqual(recipient.As, 0);
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Assert.AreEqual(recipient.Bs, 1);
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_ = messenger.Send<MessageA, string>(token);
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Assert.AreEqual(recipient.As, 1);
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Assert.AreEqual(recipient.Bs, 1);
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messenger.UnregisterAll(recipient, token);
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Assert.IsFalse(messenger.IsRegistered<MessageA>(recipient));
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Assert.IsFalse(messenger.IsRegistered<MessageB>(recipient));
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger))]
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[DataRow(typeof(WeakReferenceMessenger))]
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public void Test_Messenger_RegisterWithTypeParameter(Type type)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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RecipientWithNoMessages? recipient = new() { Number = 42 };
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int number = 0;
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messenger.Register<RecipientWithNoMessages, MessageA>(recipient, (r, m) => number = r.Number);
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_ = messenger.Send<MessageA>();
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Assert.AreEqual(number, 42);
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}
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[TestMethod]
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[DataRow(typeof(StrongReferenceMessenger), false)]
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[DataRow(typeof(WeakReferenceMessenger), true)]
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public void Test_Messenger_Collect_Test(Type type, bool isWeak)
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{
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IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
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WeakReference weakRecipient;
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void Test()
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{
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RecipientWithNoMessages? recipient = new() { Number = 42 };
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weakRecipient = new WeakReference(recipient);
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|
|
|
messenger.Register<MessageA>(recipient, (r, m) => { });
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA>(recipient));
|
|
Assert.IsTrue(weakRecipient.IsAlive);
|
|
|
|
GC.KeepAlive(recipient);
|
|
}
|
|
|
|
Test();
|
|
|
|
GC.Collect();
|
|
|
|
Assert.AreEqual(!isWeak, weakRecipient.IsAlive);
|
|
|
|
GC.KeepAlive(messenger);
|
|
}
|
|
|
|
[TestMethod]
|
|
[DataRow(typeof(StrongReferenceMessenger))]
|
|
[DataRow(typeof(WeakReferenceMessenger))]
|
|
public void Test_Messenger_Reset(Type type)
|
|
{
|
|
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
|
|
RecipientWithSomeMessages? recipient = new();
|
|
|
|
messenger.RegisterAll(recipient);
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA>(recipient));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB>(recipient));
|
|
|
|
messenger.Reset();
|
|
|
|
Assert.IsFalse(messenger.IsRegistered<MessageA>(recipient));
|
|
Assert.IsFalse(messenger.IsRegistered<MessageB>(recipient));
|
|
}
|
|
|
|
[TestMethod]
|
|
[DataRow(typeof(StrongReferenceMessenger))]
|
|
[DataRow(typeof(WeakReferenceMessenger))]
|
|
public void Test_Messenger_Default(Type type)
|
|
{
|
|
PropertyInfo defaultInfo = type.GetProperty("Default")!;
|
|
|
|
object? default1 = defaultInfo!.GetValue(null);
|
|
object? default2 = defaultInfo!.GetValue(null);
|
|
|
|
Assert.IsNotNull(default1);
|
|
Assert.IsNotNull(default2);
|
|
Assert.AreSame(default1, default2);
|
|
}
|
|
|
|
[TestMethod]
|
|
[DataRow(typeof(StrongReferenceMessenger))]
|
|
[DataRow(typeof(WeakReferenceMessenger))]
|
|
public void Test_Messenger_Cleanup(Type type)
|
|
{
|
|
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
|
|
RecipientWithSomeMessages? recipient = new();
|
|
|
|
messenger.Register<MessageA>(recipient);
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA>(recipient));
|
|
|
|
void Test()
|
|
{
|
|
RecipientWithSomeMessages? recipient2 = new();
|
|
|
|
messenger.Register<MessageB>(recipient2);
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB>(recipient2));
|
|
|
|
GC.KeepAlive(recipient2);
|
|
}
|
|
|
|
Test();
|
|
|
|
GC.Collect();
|
|
|
|
// Here we just check that calling Cleanup doesn't alter the state
|
|
// of the messenger. This method shouldn't really do anything visible
|
|
// to consumers, it's just a way for messengers to compact their data.
|
|
messenger.Cleanup();
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA>(recipient));
|
|
}
|
|
|
|
[TestMethod]
|
|
[DataRow(typeof(StrongReferenceMessenger))]
|
|
[DataRow(typeof(WeakReferenceMessenger))]
|
|
public void Test_Messenger_ManyRecipients(Type type)
|
|
{
|
|
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
|
|
|
|
void Test()
|
|
{
|
|
RecipientWithSomeMessages?[] recipients = Enumerable.Range(0, 512).Select(_ => new RecipientWithSomeMessages()).ToArray();
|
|
|
|
foreach (RecipientWithSomeMessages? recipient in recipients)
|
|
{
|
|
messenger.RegisterAll(recipient!);
|
|
}
|
|
|
|
foreach (RecipientWithSomeMessages? recipient in recipients)
|
|
{
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA>(recipient!));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB>(recipient!));
|
|
}
|
|
|
|
_ = messenger.Send<MessageA>();
|
|
_ = messenger.Send<MessageB>();
|
|
_ = messenger.Send<MessageB>();
|
|
|
|
foreach (RecipientWithSomeMessages? recipient in recipients)
|
|
{
|
|
Assert.AreEqual(recipient!.As, 1);
|
|
Assert.AreEqual(recipient!.Bs, 2);
|
|
}
|
|
|
|
foreach (ref RecipientWithSomeMessages? recipient in recipients.AsSpan())
|
|
{
|
|
recipient = null;
|
|
}
|
|
}
|
|
|
|
Test();
|
|
|
|
GC.Collect();
|
|
|
|
// Just invoke a final cleanup to improve coverage, this is unrelated to this test in particular
|
|
messenger.Cleanup();
|
|
}
|
|
|
|
// See https://github.com/CommunityToolkit/WindowsCommunityToolkit/issues/4081
|
|
[TestMethod]
|
|
[DataRow(typeof(StrongReferenceMessenger))]
|
|
[DataRow(typeof(WeakReferenceMessenger))]
|
|
public void Test_Messenger_RegisterMultiple_UnregisterSingle(Type type)
|
|
{
|
|
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
|
|
|
|
object? recipient1 = new();
|
|
object? recipient2 = new();
|
|
|
|
int handler1CalledCount = 0;
|
|
int handler2CalledCount = 0;
|
|
|
|
messenger.Register<object, MessageA>(recipient1, (r, m) => { handler1CalledCount++; });
|
|
messenger.Register<object, MessageA>(recipient2, (r, m) => { handler2CalledCount++; });
|
|
|
|
messenger.UnregisterAll(recipient2);
|
|
|
|
_ = messenger.Send(new MessageA());
|
|
|
|
Assert.AreEqual(1, handler1CalledCount);
|
|
Assert.AreEqual(0, handler2CalledCount);
|
|
}
|
|
|
|
[TestMethod]
|
|
[DataRow(typeof(StrongReferenceMessenger))]
|
|
[DataRow(typeof(WeakReferenceMessenger))]
|
|
public void Test_Messenger_ConcurrentOperations_DefaultChannel_SeparateRecipients(Type type)
|
|
{
|
|
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
|
|
|
|
RecipientWithConcurrency[] recipients = Enumerable.Range(0, 1024).Select(static _ => new RecipientWithConcurrency()).ToArray();
|
|
DateTime end = DateTime.Now.AddSeconds(5);
|
|
|
|
_ = Parallel.For(0, recipients.Length, i =>
|
|
{
|
|
RecipientWithConcurrency r = recipients[i];
|
|
Random random = new(i);
|
|
|
|
while (DateTime.Now < end)
|
|
{
|
|
Assert.IsFalse(messenger.IsRegistered<MessageA>(r));
|
|
Assert.IsFalse(messenger.IsRegistered<MessageB>(r));
|
|
|
|
// Here we randomize the way messages are subscribed. This ensures that we're testing both the normal
|
|
// registration with a delegate, as well as the fast path within WeakReferenceMessenger that is enabled
|
|
// when IRecipient<TMessage> is used. Since broadcasts are done in parallel here, it will happen that
|
|
// some messages are broadcast when multiple recipients are active through both types of registration.
|
|
// This test verifies that the messengers work fine when this is the case (and not just when only one
|
|
// of the two method is used, as mixing them up as necessary is a perfectly supported scenario as well).
|
|
switch (random.Next(0, 3))
|
|
{
|
|
case 0:
|
|
messenger.Register<RecipientWithConcurrency, MessageA>(r, static (r, m) => r.Receive(m));
|
|
messenger.Register<RecipientWithConcurrency, MessageB>(r, static (r, m) => r.Receive(m));
|
|
break;
|
|
case 1:
|
|
messenger.Register<MessageA>(r);
|
|
messenger.Register<MessageB>(r);
|
|
break;
|
|
default:
|
|
messenger.RegisterAll(r);
|
|
break;
|
|
}
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA>(r));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB>(r));
|
|
|
|
int a = r.As;
|
|
int b = r.Bs;
|
|
|
|
_ = messenger.Send<MessageA>();
|
|
|
|
// We can't just check that the count has been increased by 1, as there may be other concurrent broadcasts
|
|
Assert.IsTrue(r.As > a);
|
|
|
|
_ = messenger.Send<MessageB>();
|
|
|
|
Assert.IsTrue(r.Bs > b);
|
|
|
|
switch (random.Next(0, 2))
|
|
{
|
|
case 0:
|
|
messenger.Unregister<MessageA>(r);
|
|
messenger.Unregister<MessageB>(r);
|
|
break;
|
|
default:
|
|
messenger.UnregisterAll(r);
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
[TestMethod]
|
|
[DataRow(typeof(StrongReferenceMessenger))]
|
|
[DataRow(typeof(WeakReferenceMessenger))]
|
|
public void Test_Messenger_ConcurrentOperations_DefaultChannel_SharedRecipients(Type type)
|
|
{
|
|
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
|
|
|
|
RecipientWithConcurrency[] recipients = Enumerable.Range(0, 512).Select(static _ => new RecipientWithConcurrency()).ToArray();
|
|
DateTime end = DateTime.Now.AddSeconds(5);
|
|
|
|
_ = Parallel.For(0, recipients.Length * 2, i =>
|
|
{
|
|
RecipientWithConcurrency r = recipients[i / 2];
|
|
Random random = new(i);
|
|
|
|
while (DateTime.Now < end)
|
|
{
|
|
if (i % 2 == 0)
|
|
{
|
|
Assert.IsFalse(messenger.IsRegistered<MessageA>(r));
|
|
|
|
switch (random.Next(0, 2))
|
|
{
|
|
case 0:
|
|
messenger.Register<RecipientWithConcurrency, MessageA>(r, static (r, m) => r.Receive(m));
|
|
break;
|
|
default:
|
|
messenger.Register<MessageA>(r);
|
|
break;
|
|
}
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA>(r));
|
|
|
|
int a = r.As;
|
|
|
|
_ = messenger.Send<MessageA>();
|
|
|
|
Assert.IsTrue(r.As > a);
|
|
|
|
messenger.Unregister<MessageA>(r);
|
|
}
|
|
else
|
|
{
|
|
Assert.IsFalse(messenger.IsRegistered<MessageB>(r));
|
|
|
|
switch (random.Next(0, 2))
|
|
{
|
|
case 0:
|
|
messenger.Register<RecipientWithConcurrency, MessageB>(r, static (r, m) => r.Receive(m));
|
|
break;
|
|
default:
|
|
messenger.Register<MessageB>(r);
|
|
break;
|
|
}
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB>(r));
|
|
|
|
int b = r.Bs;
|
|
|
|
_ = messenger.Send<MessageB>();
|
|
|
|
Assert.IsTrue(r.Bs > b);
|
|
|
|
messenger.Unregister<MessageB>(r);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
[TestMethod]
|
|
[DataRow(typeof(StrongReferenceMessenger))]
|
|
[DataRow(typeof(WeakReferenceMessenger))]
|
|
public void Test_Messenger_ConcurrentOperations_WithToken_SeparateRecipients(Type type)
|
|
{
|
|
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
|
|
|
|
RecipientWithConcurrency[] recipients = Enumerable.Range(0, 1024).Select(static _ => new RecipientWithConcurrency()).ToArray();
|
|
string[] tokens = Enumerable.Range(0, 16).Select(static i => i.ToString()).ToArray();
|
|
DateTime end = DateTime.Now.AddSeconds(5);
|
|
|
|
_ = Parallel.For(0, recipients.Length, i =>
|
|
{
|
|
RecipientWithConcurrency r = recipients[i];
|
|
string token = tokens[i % tokens.Length];
|
|
Random random = new(i);
|
|
|
|
while (DateTime.Now < end)
|
|
{
|
|
Assert.IsFalse(messenger.IsRegistered<MessageA, string>(r, token));
|
|
Assert.IsFalse(messenger.IsRegistered<MessageB, string>(r, token));
|
|
|
|
switch (random.Next(0, 3))
|
|
{
|
|
case 0:
|
|
messenger.Register<RecipientWithConcurrency, MessageA, string>(r, token, static (r, m) => r.Receive(m));
|
|
messenger.Register<RecipientWithConcurrency, MessageB, string>(r, token, static (r, m) => r.Receive(m));
|
|
break;
|
|
case 1:
|
|
messenger.Register<MessageA, string>(r, token);
|
|
messenger.Register<MessageB, string>(r, token);
|
|
break;
|
|
default:
|
|
messenger.RegisterAll(r, token);
|
|
break;
|
|
}
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA, string>(r, token));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB, string>(r, token));
|
|
|
|
int a = r.As;
|
|
int b = r.Bs;
|
|
|
|
_ = messenger.Send<MessageA, string>(token);
|
|
|
|
Assert.IsTrue(r.As > a);
|
|
|
|
_ = messenger.Send<MessageB, string>(token);
|
|
|
|
Assert.IsTrue(r.Bs > b);
|
|
|
|
switch (random.Next(0, 3))
|
|
{
|
|
case 0:
|
|
messenger.Unregister<MessageA, string>(r, token);
|
|
messenger.Unregister<MessageB, string>(r, token);
|
|
break;
|
|
case 1:
|
|
messenger.UnregisterAll(r, token);
|
|
break;
|
|
default:
|
|
messenger.UnregisterAll(r);
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
[TestMethod]
|
|
[DataRow(typeof(StrongReferenceMessenger))]
|
|
[DataRow(typeof(WeakReferenceMessenger))]
|
|
public void Test_Messenger_ConcurrentOperations_WithToken_SharedRecipients(Type type)
|
|
{
|
|
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
|
|
|
|
RecipientWithConcurrency[] recipients = Enumerable.Range(0, 512).Select(static _ => new RecipientWithConcurrency()).ToArray();
|
|
string[] tokens = Enumerable.Range(0, 16).Select(static i => i.ToString()).ToArray();
|
|
DateTime end = DateTime.Now.AddSeconds(5);
|
|
|
|
_ = Parallel.For(0, recipients.Length * 2, i =>
|
|
{
|
|
RecipientWithConcurrency r = recipients[i / 2];
|
|
string token = tokens[i % tokens.Length];
|
|
Random random = new(i);
|
|
|
|
while (DateTime.Now < end)
|
|
{
|
|
if (i % 2 == 0)
|
|
{
|
|
Assert.IsFalse(messenger.IsRegistered<MessageA, string>(r, token));
|
|
|
|
switch (random.Next(0, 2))
|
|
{
|
|
case 0:
|
|
messenger.Register<RecipientWithConcurrency, MessageA, string>(r, token, static (r, m) => r.Receive(m));
|
|
break;
|
|
default:
|
|
messenger.Register<MessageA, string>(r, token);
|
|
break;
|
|
}
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA, string>(r, token));
|
|
|
|
int a = r.As;
|
|
|
|
_ = messenger.Send<MessageA, string>(token);
|
|
|
|
Assert.IsTrue(r.As > a);
|
|
|
|
messenger.Unregister<MessageA, string>(r, token);
|
|
}
|
|
else
|
|
{
|
|
Assert.IsFalse(messenger.IsRegistered<MessageB, string>(r, token));
|
|
|
|
switch (random.Next(0, 2))
|
|
{
|
|
case 0:
|
|
messenger.Register<RecipientWithConcurrency, MessageB, string>(r, token, static (r, m) => r.Receive(m));
|
|
break;
|
|
default:
|
|
messenger.Register<MessageB, string>(r, token);
|
|
break;
|
|
}
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB, string>(r, token));
|
|
|
|
int b = r.Bs;
|
|
|
|
_ = messenger.Send<MessageB, string>(token);
|
|
|
|
Assert.IsTrue(r.Bs > b);
|
|
|
|
messenger.Unregister<MessageB, string>(r, token);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
[TestMethod]
|
|
[DataRow(typeof(StrongReferenceMessenger))]
|
|
[DataRow(typeof(WeakReferenceMessenger))]
|
|
public void Test_Messenger_ConcurrentOperations_Combined_SeparateRecipients(Type type)
|
|
{
|
|
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
|
|
|
|
RecipientWithConcurrency[] recipients = Enumerable.Range(0, 1024).Select(static _ => new RecipientWithConcurrency()).ToArray();
|
|
string[] wordTokens = Enumerable.Range(0, 16).Select(static i => i.ToString()).ToArray();
|
|
int[] numberTokens = Enumerable.Range(0, 16).ToArray();
|
|
DateTime end = DateTime.Now.AddSeconds(5);
|
|
|
|
_ = Parallel.For(0, recipients.Length, i =>
|
|
{
|
|
RecipientWithConcurrency r = recipients[i];
|
|
string wordToken = wordTokens[i % wordTokens.Length];
|
|
int numberToken = numberTokens[i % numberTokens.Length];
|
|
Random random = new(i);
|
|
|
|
while (DateTime.Now < end)
|
|
{
|
|
Assert.IsFalse(messenger.IsRegistered<MessageA, string>(r, wordToken));
|
|
Assert.IsFalse(messenger.IsRegistered<MessageB, string>(r, wordToken));
|
|
Assert.IsFalse(messenger.IsRegistered<MessageA, int>(r, numberToken));
|
|
Assert.IsFalse(messenger.IsRegistered<MessageB, int>(r, numberToken));
|
|
Assert.IsFalse(messenger.IsRegistered<MessageA>(r));
|
|
Assert.IsFalse(messenger.IsRegistered<MessageB>(r));
|
|
|
|
int choice = random.Next(0, 9);
|
|
|
|
switch (choice)
|
|
{
|
|
case 0:
|
|
messenger.Register<RecipientWithConcurrency, MessageA, string>(r, wordToken, static (r, m) => r.Receive(m));
|
|
messenger.Register<RecipientWithConcurrency, MessageB, string>(r, wordToken, static (r, m) => r.Receive(m));
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA, string>(r, wordToken));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB, string>(r, wordToken));
|
|
break;
|
|
case 1:
|
|
messenger.Register<RecipientWithConcurrency, MessageA, int>(r, numberToken, static (r, m) => r.Receive(m));
|
|
messenger.Register<RecipientWithConcurrency, MessageB, int>(r, numberToken, static (r, m) => r.Receive(m));
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA, int>(r, numberToken));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB, int>(r, numberToken));
|
|
break;
|
|
case 2:
|
|
messenger.Register<RecipientWithConcurrency, MessageA>(r, static (r, m) => r.Receive(m));
|
|
messenger.Register<RecipientWithConcurrency, MessageB>(r, static (r, m) => r.Receive(m));
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA>(r));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB>(r));
|
|
break;
|
|
case 3:
|
|
messenger.Register<MessageA, string>(r, wordToken);
|
|
messenger.Register<MessageB, string>(r, wordToken);
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA, string>(r, wordToken));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB, string>(r, wordToken));
|
|
break;
|
|
case 4:
|
|
messenger.Register<MessageA, int>(r, numberToken);
|
|
messenger.Register<MessageB, int>(r, numberToken);
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA, int>(r, numberToken));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB, int>(r, numberToken));
|
|
break;
|
|
case 5:
|
|
messenger.Register<MessageA>(r);
|
|
messenger.Register<MessageB>(r);
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA>(r));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB>(r));
|
|
break;
|
|
case 6:
|
|
messenger.RegisterAll(r, wordToken);
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA, string>(r, wordToken));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB, string>(r, wordToken));
|
|
break;
|
|
case 7:
|
|
messenger.RegisterAll(r, numberToken);
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA, int>(r, numberToken));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB, int>(r, numberToken));
|
|
break;
|
|
default:
|
|
messenger.RegisterAll(r);
|
|
|
|
Assert.IsTrue(messenger.IsRegistered<MessageA>(r));
|
|
Assert.IsTrue(messenger.IsRegistered<MessageB>(r));
|
|
break;
|
|
}
|
|
|
|
int a = r.As;
|
|
int b = r.Bs;
|
|
|
|
if (choice is 0 or 3 or 6)
|
|
{
|
|
_ = messenger.Send<MessageA, string>(wordToken);
|
|
_ = messenger.Send<MessageB, string>(wordToken);
|
|
|
|
messenger.UnregisterAll(r, wordToken);
|
|
}
|
|
else if (choice is 1 or 4 or 7)
|
|
{
|
|
_ = messenger.Send<MessageA, int>(numberToken);
|
|
_ = messenger.Send<MessageB, int>(numberToken);
|
|
|
|
messenger.UnregisterAll(r, numberToken);
|
|
}
|
|
else
|
|
{
|
|
_ = messenger.Send<MessageA>();
|
|
_ = messenger.Send<MessageB>();
|
|
|
|
messenger.UnregisterAll(r);
|
|
}
|
|
|
|
Assert.IsTrue(r.As > a);
|
|
Assert.IsTrue(r.Bs > b);
|
|
}
|
|
});
|
|
}
|
|
|
|
public sealed class RecipientWithNoMessages
|
|
{
|
|
public int Number { get; set; }
|
|
}
|
|
|
|
public sealed class RecipientWithSomeMessages :
|
|
IRecipient<MessageA>,
|
|
IRecipient<MessageB>,
|
|
ICloneable
|
|
{
|
|
public int As { get; private set; }
|
|
|
|
public int Bs { get; private set; }
|
|
|
|
public void Receive(MessageA message)
|
|
{
|
|
As++;
|
|
}
|
|
|
|
public void Receive(MessageB message)
|
|
{
|
|
Bs++;
|
|
}
|
|
|
|
// We also add the ICloneable interface to test that the message
|
|
// interfaces are all handled correctly even when interleaved
|
|
// by other unrelated interfaces in the type declaration.
|
|
public object Clone() => throw new NotImplementedException();
|
|
}
|
|
|
|
public sealed class RecipientWithConcurrency :
|
|
IRecipient<MessageA>,
|
|
IRecipient<MessageB>
|
|
{
|
|
private volatile int a;
|
|
private volatile int b;
|
|
|
|
public int As => this.a;
|
|
|
|
public int Bs => this.b;
|
|
|
|
public void Receive(MessageA message)
|
|
{
|
|
_ = Interlocked.Increment(ref this.a);
|
|
}
|
|
|
|
public void Receive(MessageB message)
|
|
{
|
|
_ = Interlocked.Increment(ref this.b);
|
|
}
|
|
}
|
|
|
|
public sealed class MessageA
|
|
{
|
|
public string? Text { get; set; }
|
|
}
|
|
|
|
public sealed class MessageB
|
|
{
|
|
}
|
|
|
|
public partial class GenericRecipient<T> : IRecipient<GenericRecipient<T>.Message>, IRecipient<ValueChangedMessage<T>>, IRecipient<MessageA>
|
|
{
|
|
public Message? ReceivedMessage1 { get; private set; }
|
|
|
|
public ValueChangedMessage<T>? ReceivedMessage2 { get; private set; }
|
|
|
|
public MessageA? ReceivedMessage3 { get; private set; }
|
|
|
|
public void Receive(Message message)
|
|
{
|
|
ReceivedMessage1 = message;
|
|
}
|
|
|
|
public void Receive(ValueChangedMessage<T> message)
|
|
{
|
|
ReceivedMessage2 = message;
|
|
}
|
|
|
|
public void Receive(MessageA message)
|
|
{
|
|
ReceivedMessage3 = message;
|
|
}
|
|
|
|
public sealed class Message : ValueChangedMessage<List<T>>
|
|
{
|
|
public Message(List<T> list)
|
|
: base(list)
|
|
{
|
|
}
|
|
}
|
|
}
|
|
}
|