Refactor logger. (#1247)

Tests/MQTTnet.Core.Tests/Client/MqttClientOptionsBuilder_Tests.cs

@@ -0,0 +1,22 @@
+using System.Linq;
+using System.Text;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using MQTTnet.Client.Options;
+using MQTTnet.Extensions;
+
+namespace MQTTnet.Tests.Client
+{
+    [TestClass]
+    public class MqttClientOptionsBuilder_Tests
+    {
+        [TestMethod]
+        public void WithConnectionUri_Credential_Test()
+        {
+            var options = new MqttClientOptionsBuilder()
+                .WithConnectionUri("mqtt://user:password@127.0.0.1")
+                .Build();
+            Assert.AreEqual("user", options.Credentials.Username);
+            Assert.IsTrue(Encoding.UTF8.GetBytes("password").SequenceEqual(options.Credentials.Password));
+        }
+    }
+}