Add telemetry data points for .NET Core 2.0

test/dotnet.Tests/TelemetryCommonPropertiesTests.cs

@@ -0,0 +1,54 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using FluentAssertions;
+using Microsoft.DotNet.Tools.Test.Utilities;
+using Xunit;
+using System;
+using Microsoft.DotNet.Cli;
+using Microsoft.DotNet.Cli.Telemetry;
+using Microsoft.DotNet.Configurer;
+
+namespace Microsoft.DotNet.Tests
+{
+    public class TelemetryCommonPropertiesTests : TestBase
+    {
+        [Fact]
+        public void TelemetryCommonPropertiesShouldContainIfItIsInDockerOrNot()
+        {
+            var unitUnderTest = new TelemetryCommonProperties(userLevelCacheWriter: new NothingCache());
+            unitUnderTest.GetTelemetryCommonProperties().Should().ContainKey("Docker Container");
+        }
+
+        [Fact]
+        public void TelemetryCommonPropertiesShouldReturnHashedPath()
+        {
+            var unitUnderTest = new TelemetryCommonProperties(() => "ADirectory", userLevelCacheWriter: new NothingCache());
+            unitUnderTest.GetTelemetryCommonProperties()["Current Path Hash"].Should().NotBe("ADirectory");
+        }
+
+        [Fact]
+        public void TelemetryCommonPropertiesShouldReturnHashedMachineId()
+        {
+            var unitUnderTest = new TelemetryCommonProperties(getMACAddress: () => "plaintext", userLevelCacheWriter: new NothingCache());
+            unitUnderTest.GetTelemetryCommonProperties()["Machine ID"].Should().NotBe("plaintext");
+        }
+
+        [Fact]
+        public void TelemetryCommonPropertiesShouldReturnNewGuidWhenCannotGetMacAddress()
+        {
+            var unitUnderTest = new TelemetryCommonProperties(getMACAddress: () => null, userLevelCacheWriter: new NothingCache());
+            var assignedMachineId = unitUnderTest.GetTelemetryCommonProperties()["Machine ID"];
+
+            Guid.TryParse(assignedMachineId, out var _).Should().BeTrue("it should be a guid");
+        }
+
+        private class NothingCache : IUserLevelCacheWriter
+        {
+            public string RunWithCache(string cacheKey, Func<string> getValueToCache)
+            {
+                return getValueToCache();
+            }
+        }
+    }
+}