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Fix exception handling when using invalid host names upon connect.

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This commit is contained in:
Christian Kratky
2020-04-24 19:29:03 +02:00
parent 5df4fc3d5d
commit e798c91ff3
4 changed files with 28 additions and 1 deletions
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Tests/MQTTnet.Core.Tests/MqttClient_Tests.cs
+24
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@@ -23,6 +23,30 @@ namespace MQTTnet.Tests
{
public TestContext TestContext { get; set; }
[TestMethod]
[ExpectedException(typeof(MqttCommunicationTimedOutException))]
public async Task Connect_To_Invalid_Server_Wrong_IP()
{
var client = new MqttFactory().CreateMqttClient();
await client.ConnectAsync(new MqttClientOptionsBuilder().WithTcpServer("1.2.3.4").WithCommunicationTimeout(TimeSpan.FromSeconds(2)).Build());
}
[TestMethod]
[ExpectedException(typeof(MqttCommunicationException))]
public async Task Connect_To_Invalid_Server_Port_Not_Opened()
{
var client = new MqttFactory().CreateMqttClient();
await client.ConnectAsync(new MqttClientOptionsBuilder().WithTcpServer("127.0.0.1", 12345).WithCommunicationTimeout(TimeSpan.FromSeconds(2)).Build());
}
[TestMethod]
[ExpectedException(typeof(MqttCommunicationException))]
public async Task Connect_To_Invalid_Server_Wrong_Protocol()
{
var client = new MqttFactory().CreateMqttClient();
await client.ConnectAsync(new MqttClientOptionsBuilder().WithTcpServer("http://127.0.0.1", 12345).WithCommunicationTimeout(TimeSpan.FromSeconds(2)).Build());
}
[TestMethod]
public async Task Send_Manual_Ping()
{