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@@ -51,15 +51,8 @@ namespace MQTTnet.Tests.MQTTv5 |
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const string ClientId = "Client1"; |
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// Create client without clean session and long session expiry interval |
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var client1 = await testEnvironment.ConnectClient(o => o |
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.WithProtocolVersion(MqttProtocolVersion.V500) |
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.WithTcpServer("127.0.0.1", testEnvironment.ServerPort) |
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.WithSessionExpiryInterval(9999) |
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.WithCleanSession(false) |
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.WithClientId(ClientId) |
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.Build() |
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); |
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var options1 = CreateClientOptions(testEnvironment, ClientId, false, 9999); |
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var client1 = await testEnvironment.ConnectClient(options1); |
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// Disconnect; empty session should remain on server |
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@@ -72,23 +65,121 @@ namespace MQTTnet.Tests.MQTTv5 |
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// Reconnect the same client ID to existing session |
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var client2 = testEnvironment.CreateClient(); |
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var options = testEnvironment.Factory.CreateClientOptionsBuilder() |
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.WithProtocolVersion(MqttProtocolVersion.V500) |
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.WithTcpServer("127.0.0.1", testEnvironment.ServerPort) |
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.WithSessionExpiryInterval(9999) |
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.WithCleanSession(false) |
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.WithClientId(ClientId) |
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.Build(); |
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var options2 = CreateClientOptions(testEnvironment, ClientId, false, 9999); |
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var result = await client2.ConnectAsync(options2).ConfigureAwait(false); |
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await client2.DisconnectAsync(); |
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// Session should be present |
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Assert.IsTrue(result.IsSessionPresent, "Session not present"); |
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} |
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} |
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[TestMethod] |
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public async Task Connect_with_Undefined_SessionExpiryInterval() |
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{ |
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using (var testEnvironment = new TestEnvironment(TestContext)) |
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{ |
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// Create server with persistent sessions enabled |
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await testEnvironment.StartServer(o => o.WithPersistentSessions()); |
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const string ClientId = "Client1"; |
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// Create client without clean session and NO session expiry interval, |
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// that means, the session should not persist |
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var options1 = CreateClientOptions(testEnvironment, ClientId, false, null); |
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var client1 = await testEnvironment.ConnectClient(options1); |
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// Disconnect; no session should remain on server because the session expiry interval was undefined |
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await client1.DisconnectAsync(); |
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// Simulate some time delay between connections |
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await Task.Delay(1000); |
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// Reconnect the same client ID to existing session |
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var client2 = testEnvironment.CreateClient(); |
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var options2 = CreateClientOptions(testEnvironment, ClientId, false, 9999); |
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var result = await client2.ConnectAsync(options2).ConfigureAwait(false); |
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await client2.DisconnectAsync(); |
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// Session should not be present |
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Assert.IsTrue(!result.IsSessionPresent, "Session is present when it should not"); |
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} |
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} |
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[TestMethod] |
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public async Task Reconnect_with_different_SessionExpiryInterval() |
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{ |
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using (var testEnvironment = new TestEnvironment(TestContext)) |
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{ |
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// Create server with persistent sessions enabled |
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await testEnvironment.StartServer(o => o.WithPersistentSessions()); |
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const string ClientId = "Client1"; |
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// Create client with clean session and session expiry interval > 0 |
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var options = CreateClientOptions(testEnvironment, ClientId, true, 9999); |
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var client1 = await testEnvironment.ConnectClient(options); |
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// Disconnect; session should remain on server |
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await client1.DisconnectAsync(); |
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// Simulate some time delay between connections |
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await Task.Delay(1000); |
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var result = await client2.ConnectAsync(options).ConfigureAwait(false); |
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// Reconnect the same client ID to the existing session but leave session expiry interval undefined this time. |
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// Session should be present because the client1 connection had SessionExpiryInterval > 0 |
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var client2 = testEnvironment.CreateClient(); |
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var options2 = CreateClientOptions(testEnvironment, ClientId, false, null); |
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var result2 = await client2.ConnectAsync(options2).ConfigureAwait(false); |
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await client2.DisconnectAsync(); |
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Assert.IsTrue(result2.IsSessionPresent, "Session is not present when it should"); |
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// Simulate some time delay between connections |
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await Task.Delay(1000); |
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// Reconnect the same client ID. |
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// No session should be present because the previous session expiry interval was undefined for the client2 connection |
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var client3 = testEnvironment.CreateClient(); |
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var options3 = CreateClientOptions(testEnvironment, ClientId, false, null); |
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var result3 = await client2.ConnectAsync(options3).ConfigureAwait(false); |
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await client3.DisconnectAsync(); |
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// Session should be present |
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Assert.IsTrue(result.IsSessionPresent, "Session not present"); |
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Assert.IsTrue(!result3.IsSessionPresent, "Session is present when it should not"); |
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} |
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} |
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IMqttClientOptions CreateClientOptions(TestEnvironment testEnvironment, string clientId, bool cleanSession, uint? sessionExpiryInterval) |
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{ |
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return testEnvironment.Factory.CreateClientOptionsBuilder() |
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.WithProtocolVersion(MqttProtocolVersion.V500) |
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.WithTcpServer("127.0.0.1", testEnvironment.ServerPort) |
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.WithSessionExpiryInterval(sessionExpiryInterval) |
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.WithCleanSession(cleanSession) |
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.WithClientId(clientId) |
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.Build(); |
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} |
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} |
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} |