(#177) Attempt at creating a regression test

Author: colinangusmackay

src/Stravaig.Configuration.Diagnostics.AdHocTests/Stravaig.Configuration.Diagnostics.AdHocTests.csproj

@@ -4,6 +4,7 @@
         <TargetFrameworks>netcoreapp3.1;net5.0;net6.0</TargetFrameworks>
         <IsPackable>false</IsPackable>
         <RootNamespace>Stravaig.Extensions.Configuration.Diagnostics.AdHocTests</RootNamespace>
+        <LangVersion>10</LangVersion>
     </PropertyGroup>
 
     <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' ">

src/Stravaig.Configuration.Diagnostics.Tests/RegressionTests/EmptyKeyConfigTests.cs

@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+using Microsoft.Extensions.Configuration;
+using NUnit.Framework;
+using Stravaig.Configuration.Diagnostics.Logging;
+using Stravaig.Extensions.Logging.Diagnostics.Render;
+
+namespace Stravaig.Extensions.Configuration.Diagnostics.Tests.RegressionTests;
+
+[TestFixture]
+public class EmptyKeyConfigTests : LoggerExtensionsTestBase
+{
+    [Test]
+    public void TwoEmptyKeys()
+    {
+        SetupConfig(c =>
+        {
+            c.AddInMemoryCollection(new[]
+            {
+                //new KeyValuePair<string, string>("", "This key is empty"),
+                new KeyValuePair<string, string>(":EmptyTopLevel", "The top level key is empty"),
+                new KeyValuePair<string, string>("A:Regular:Key", "This is a normal key"),
+            });
+        });
+        SetupLogger();
+        
+        Logger.LogConfigurationValuesAsInformation(ConfigRoot);
+
+        var logs = GetLogs();
+        logs.RenderLogs(Formatter.SimpleBySequence, Sink.Console);
+
+    }
+    
+}

src/Stravaig.Configuration.Diagnostics.Tests/Stravaig.Configuration.Diagnostics.Tests.csproj

@@ -4,6 +4,7 @@
         <TargetFrameworks>netcoreapp3.1;net5.0;net6.0</TargetFrameworks>
         <IsPackable>false</IsPackable>
         <RootNamespace>Stravaig.Extensions.Configuration.Diagnostics.Tests</RootNamespace>
+        <LangVersion>10</LangVersion>
     </PropertyGroup>
 
     <ItemGroup>