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.NET-Community-Toolkit/tests/CommunityToolkit.Mvvm.UnitTests/Test_Messenger.Request.cs
2021-11-04 21:48:54 +01:00

366 lines
12 KiB
C#

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using CommunityToolkit.Mvvm.Messaging;
using CommunityToolkit.Mvvm.Messaging.Messages;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace CommunityToolkit.Mvvm.UnitTests;
public partial class Test_Messenger
{
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
public void Test_Messenger_RequestMessage_Ok(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
object? recipient = new();
object? test = null;
void Receive(object recipient, NumberRequestMessage m)
{
test = recipient;
Assert.IsFalse(m.HasReceivedResponse);
m.Reply(42);
Assert.IsTrue(m.HasReceivedResponse);
}
messenger.Register<NumberRequestMessage>(recipient, Receive);
int result = messenger.Send<NumberRequestMessage>();
Assert.AreSame(test, recipient);
Assert.AreEqual(result, 42);
}
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
[ExpectedException(typeof(InvalidOperationException))]
public void Test_Messenger_RequestMessage_Fail_NoReply(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
NumberRequestMessage message = messenger.Send<NumberRequestMessage>();
Assert.IsFalse(message.HasReceivedResponse);
_ = message.Response;
}
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
[ExpectedException(typeof(InvalidOperationException))]
public void Test_Messenger_RequestMessage_Fail_MultipleReplies(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
object? recipient = new();
static void Receive(object recipient, NumberRequestMessage m)
{
m.Reply(42);
m.Reply(42);
}
messenger.Register<NumberRequestMessage>(recipient, Receive);
int result = messenger.Send<NumberRequestMessage>();
GC.KeepAlive(recipient);
}
public class NumberRequestMessage : RequestMessage<int>
{
}
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
public async Task Test_Messenger_AsyncRequestMessage_Ok_Sync(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
object? recipient = new();
static void Receive(object recipient, AsyncNumberRequestMessage m)
{
Assert.IsFalse(m.HasReceivedResponse);
m.Reply(42);
Assert.IsTrue(m.HasReceivedResponse);
}
messenger.Register<AsyncNumberRequestMessage>(recipient, Receive);
int result = await messenger.Send<AsyncNumberRequestMessage>();
Assert.AreEqual(result, 42);
GC.KeepAlive(recipient);
}
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
public async Task Test_Messenger_AsyncRequestMessage_Ok_Async(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
object? recipient = new();
async Task<int> GetNumberAsync()
{
await Task.Delay(100);
return 42;
}
void Receive(object recipient, AsyncNumberRequestMessage m)
{
Assert.IsFalse(m.HasReceivedResponse);
m.Reply(GetNumberAsync());
Assert.IsTrue(m.HasReceivedResponse);
}
messenger.Register<AsyncNumberRequestMessage>(recipient, Receive);
int result = await messenger.Send<AsyncNumberRequestMessage>();
Assert.AreEqual(result, 42);
GC.KeepAlive(recipient);
}
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
[ExpectedException(typeof(InvalidOperationException))]
public async Task Test_Messenger_AsyncRequestMessage_Fail_NoReply(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
AsyncNumberRequestMessage message = messenger.Send<AsyncNumberRequestMessage>();
Assert.IsFalse(message.HasReceivedResponse);
_ = await message.Response;
}
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
[ExpectedException(typeof(InvalidOperationException))]
public async Task Test_Messenger_AsyncRequestMessage_Fail_MultipleReplies(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
object? recipient = new();
static void Receive(object recipient, AsyncNumberRequestMessage m)
{
m.Reply(42);
m.Reply(42);
}
messenger.Register<AsyncNumberRequestMessage>(recipient, Receive);
int result = await messenger.Send<AsyncNumberRequestMessage>();
GC.KeepAlive(recipient);
}
public class AsyncNumberRequestMessage : AsyncRequestMessage<int>
{
}
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
public void Test_Messenger_CollectionRequestMessage_Ok_NoReplies(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
object? recipient = new();
static void Receive(object recipient, NumbersCollectionRequestMessage m)
{
}
messenger.Register<NumbersCollectionRequestMessage>(recipient, Receive);
IReadOnlyCollection<int>? results = messenger.Send<NumbersCollectionRequestMessage>().Responses;
Assert.AreEqual(results.Count, 0);
GC.KeepAlive(recipient);
}
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
public void Test_Messenger_CollectionRequestMessage_Ok_MultipleReplies(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
object recipient1 = new();
object recipient2 = new();
object recipient3 = new();
object? r1 = null;
object? r2 = null;
object? r3 = null;
void Receive1(object recipient, NumbersCollectionRequestMessage m)
{
r1 = recipient;
m.Reply(1);
}
void Receive2(object recipient, NumbersCollectionRequestMessage m)
{
r2 = recipient;
m.Reply(2);
}
void Receive3(object recipient, NumbersCollectionRequestMessage m)
{
r3 = recipient;
m.Reply(3);
}
messenger.Register<NumbersCollectionRequestMessage>(recipient1, Receive1);
messenger.Register<NumbersCollectionRequestMessage>(recipient2, Receive2);
messenger.Register<NumbersCollectionRequestMessage>(recipient3, Receive3);
List<int> responses = new();
foreach (int response in messenger.Send<NumbersCollectionRequestMessage>())
{
responses.Add(response);
}
Assert.AreSame(r1, recipient1);
Assert.AreSame(r2, recipient2);
Assert.AreSame(r3, recipient3);
CollectionAssert.AreEquivalent(responses, new[] { 1, 2, 3 });
}
public class NumbersCollectionRequestMessage : CollectionRequestMessage<int>
{
}
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
public async Task Test_Messenger_AsyncCollectionRequestMessage_Ok_NoReplies(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
object? recipient = new();
static void Receive(object recipient, AsyncNumbersCollectionRequestMessage m)
{
}
messenger.Register<AsyncNumbersCollectionRequestMessage>(recipient, Receive);
IReadOnlyCollection<int>? results = await messenger.Send<AsyncNumbersCollectionRequestMessage>().GetResponsesAsync();
Assert.AreEqual(results.Count, 0);
GC.KeepAlive(recipient);
}
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
public async Task Test_Messenger_AsyncCollectionRequestMessage_Ok_MultipleReplies(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
object recipient1 = new();
object recipient2 = new();
object recipient3 = new();
object recipient4 = new();
async Task<int> GetNumberAsync()
{
await Task.Delay(100);
return 3;
}
void Receive1(object recipient, AsyncNumbersCollectionRequestMessage m) => m.Reply(1);
void Receive2(object recipient, AsyncNumbersCollectionRequestMessage m) => m.Reply(Task.FromResult(2));
void Receive3(object recipient, AsyncNumbersCollectionRequestMessage m) => m.Reply(GetNumberAsync());
void Receive4(object recipient, AsyncNumbersCollectionRequestMessage m) => m.Reply(_ => GetNumberAsync());
messenger.Register<AsyncNumbersCollectionRequestMessage>(recipient1, Receive1);
messenger.Register<AsyncNumbersCollectionRequestMessage>(recipient2, Receive2);
messenger.Register<AsyncNumbersCollectionRequestMessage>(recipient3, Receive3);
messenger.Register<AsyncNumbersCollectionRequestMessage>(recipient4, Receive4);
IReadOnlyCollection<int>? responses = await messenger.Send<AsyncNumbersCollectionRequestMessage>().GetResponsesAsync();
CollectionAssert.AreEquivalent(responses.ToArray(), new[] { 1, 2, 3, 3 });
GC.KeepAlive(recipient1);
GC.KeepAlive(recipient2);
GC.KeepAlive(recipient3);
GC.KeepAlive(recipient4);
}
[TestMethod]
[DataRow(typeof(StrongReferenceMessenger))]
[DataRow(typeof(WeakReferenceMessenger))]
public async Task Test_Messenger_AsyncCollectionRequestMessage_Ok_MultipleReplies_Enumerate(Type type)
{
IMessenger? messenger = (IMessenger)Activator.CreateInstance(type)!;
object recipient1 = new();
object recipient2 = new();
object recipient3 = new();
object recipient4 = new();
async Task<int> GetNumberAsync()
{
await Task.Delay(100);
return 3;
}
void Receive1(object recipient, AsyncNumbersCollectionRequestMessage m) => m.Reply(1);
void Receive2(object recipient, AsyncNumbersCollectionRequestMessage m) => m.Reply(Task.FromResult(2));
void Receive3(object recipient, AsyncNumbersCollectionRequestMessage m) => m.Reply(GetNumberAsync());
void Receive4(object recipient, AsyncNumbersCollectionRequestMessage m) => m.Reply(_ => GetNumberAsync());
messenger.Register<AsyncNumbersCollectionRequestMessage>(recipient1, Receive1);
messenger.Register<AsyncNumbersCollectionRequestMessage>(recipient2, Receive2);
messenger.Register<AsyncNumbersCollectionRequestMessage>(recipient3, Receive3);
messenger.Register<AsyncNumbersCollectionRequestMessage>(recipient4, Receive4);
List<int> responses = new();
await foreach (int response in messenger.Send<AsyncNumbersCollectionRequestMessage>())
{
responses.Add(response);
}
CollectionAssert.AreEquivalent(responses, new[] { 1, 2, 3, 3 });
GC.KeepAlive(recipient1);
GC.KeepAlive(recipient2);
GC.KeepAlive(recipient3);
GC.KeepAlive(recipient4);
}
public class AsyncNumbersCollectionRequestMessage : AsyncCollectionRequestMessage<int>
{
}
}