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Feature/mqttv5 subscriptions server (#1246)

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* Add support for RetainHandling.

* Add support for No Local.

* Add support for _SubscriptionIdentifier_.

* Add more Unit Tests.

* Update docs.
This commit is contained in:
Christian
2021-09-23 20:30:43 +02:00
committed by GitHub
parent feb53e78c6
commit c756a4092f
83 changed files with 2032 additions and 1237 deletions
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Tests/MQTTnet.Core.Tests/Server/Subscription_Identifier_Tests.cs
+89
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using System.Threading.Tasks;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using MQTTnet.Client;
using MQTTnet.Formatter;
namespace MQTTnet.Tests.Server
{
[TestClass]
public sealed class Subscription_Identifier_Tests : BaseTestClass
{
[TestMethod]
public async Task Server_Reports_Subscription_Identifiers_Supported()
{
using (var testEnvironment = CreateTestEnvironment(MqttProtocolVersion.V500))
{
await testEnvironment.StartServer();
var client = testEnvironment.CreateClient();
var connectResult = await client.ConnectAsync(testEnvironment.Factory.CreateClientOptionsBuilder()
.WithProtocolVersion(MqttProtocolVersion.V500)
.WithTcpServer("127.0.0.1", testEnvironment.ServerPort).Build());
Assert.IsTrue(connectResult.SubscriptionIdentifiersAvailable);
}
}
[TestMethod]
public async Task Subscribe_With_Subscription_Identifier()
{
using (var testEnvironment = CreateTestEnvironment(MqttProtocolVersion.V500))
{
await testEnvironment.StartServer();
var client1 = await testEnvironment.ConnectClient();
var applicationMessageHandler = testEnvironment.CreateApplicationMessageHandler(client1);
var topicFilter = testEnvironment.Factory.CreateTopicFilterBuilder().WithTopic("Topic").Build();
var subscribeOptions = testEnvironment.Factory.CreateSubscribeOptionsBuilder().WithSubscriptionIdentifier(456).WithTopicFilter(topicFilter).Build();
await client1.SubscribeAsync(subscribeOptions);
await LongTestDelay();
applicationMessageHandler.AssertReceivedCountEquals(0);
// The client will publish a message where it is itself subscribing to.
await client1.PublishAsync("Topic", "Payload", true);
await LongTestDelay();
applicationMessageHandler.AssertReceivedCountEquals(1);
applicationMessageHandler.ReceivedApplicationMessages[0].SubscriptionIdentifiers.Contains(456);
}
}
[TestMethod]
public async Task Subscribe_With_Multiple_Subscription_Identifiers()
{
using (var testEnvironment = CreateTestEnvironment(MqttProtocolVersion.V500))
{
await testEnvironment.StartServer();
var client1 = await testEnvironment.ConnectClient();
var applicationMessageHandler = testEnvironment.CreateApplicationMessageHandler(client1);
var topicFilter = testEnvironment.Factory.CreateTopicFilterBuilder().WithTopic("Topic/A").Build();
var subscribeOptions = testEnvironment.Factory.CreateSubscribeOptionsBuilder().WithSubscriptionIdentifier(456).WithTopicFilter(topicFilter).Build();
await client1.SubscribeAsync(subscribeOptions);
await LongTestDelay();
topicFilter = testEnvironment.Factory.CreateTopicFilterBuilder().WithTopic("Topic/+").Build();
subscribeOptions = testEnvironment.Factory.CreateSubscribeOptionsBuilder().WithSubscriptionIdentifier(789).WithTopicFilter(topicFilter).Build();
await client1.SubscribeAsync(subscribeOptions);
await LongTestDelay();
applicationMessageHandler.AssertReceivedCountEquals(0);
// The client will publish a message where it is itself subscribing to.
await client1.PublishAsync("Topic/A", "Payload", true);
await LongTestDelay();
applicationMessageHandler.AssertReceivedCountEquals(1);
applicationMessageHandler.ReceivedApplicationMessages[0].SubscriptionIdentifiers.Contains(456);
applicationMessageHandler.ReceivedApplicationMessages[0].SubscriptionIdentifiers.Contains(789);
}
}
}
}