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Multiple pubsub topics #35

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61 changes: 59 additions & 2 deletions test/CoreApi/PubSubApiTest.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
Expand Down Expand Up @@ -91,7 +92,7 @@ await ipfs.PubSub.Subscribe(topic, msg =>
{
cs.Cancel();
}
}
}

[TestMethod]
public async Task Subscribe_Mutiple_Messages()
Expand Down Expand Up @@ -129,7 +130,7 @@ public async Task Multiple_Subscribe_Mutiple_Messages()
var ipfs = TestFixture.Ipfs;
var topic = "net-ipfs-api-test-" + Guid.NewGuid().ToString();
var cs = new CancellationTokenSource();
Action<IPublishedMessage> processMessage = (msg) =>
Action<IPublishedMessage> processMessage = (msg) =>
{
Interlocked.Increment(ref messageCount);
};
Expand Down Expand Up @@ -173,5 +174,61 @@ await ipfs.PubSub.Subscribe(topic, msg =>
await Task.Delay(1000);
Assert.AreEqual(1, messageCount1);
}

[TestMethod]
public async Task Subscribe_Multiple_Topics()
{
messageCount = 0;
var topicCount = 4;
var topics = new string[topicCount];
var cancels = new CancellationTokenSource[topicCount];
var ipfs = TestFixture.Ipfs;

for (int i = 0; i < topicCount; ++i)
{
topics[i] = "net-ipfs-api-test-" + Guid.NewGuid().ToString();
cancels[i] = new CancellationTokenSource();
}
Action<IPublishedMessage> processMessage = (msg) =>
{
Interlocked.Increment(ref messageCount);
};

try
{
// Subscribe to N topics.
for (int i = 0; i < topicCount; ++i)
{
await ipfs.PubSub.Subscribe(topics[i], msg =>
{
Interlocked.Increment(ref messageCount);
}, cancels[i].Token);
}

// Verify topics.
var actualTopics = await ipfs.PubSub.SubscribedTopicsAsync();
foreach (var topic in actualTopics)
{
CollectionAssert.Contains(topics, topic);
}

// Publish a message to each topic.
for (int i = 0; i < topicCount; ++i)
{
await ipfs.PubSub.Publish(topics[i], "hello world!");
}

// Verify that all messages have been received.
await Task.Delay(1000);
Assert.AreEqual(topicCount, messageCount);
}
finally
{
foreach (var cs in cancels)
{
cs.Cancel();
}
}
}
}
}