Add common tests

Jellyfin.Plugin.ListenBrainz.sln

@@ -22,6 +22,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Jellyfin.Plugin.ListenBrain
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Jellyfin.Plugin.ListenBrainz.Common", "src\Jellyfin.Plugin.ListenBrainz.Common\Jellyfin.Plugin.ListenBrainz.Common.csproj", "{9EB1DCAD-69EE-4AAF-813C-454FB8E87417}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Jellyfin.Plugin.ListenBrainz.Common.Tests", "tests\Jellyfin.Plugin.ListenBrainz.Common.Tests\Jellyfin.Plugin.ListenBrainz.Common.Tests.csproj", "{DD927BBD-0175-47BC-95DC-B3AA7B2CDBE1}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -64,6 +66,10 @@ Global
 		{9EB1DCAD-69EE-4AAF-813C-454FB8E87417}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9EB1DCAD-69EE-4AAF-813C-454FB8E87417}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9EB1DCAD-69EE-4AAF-813C-454FB8E87417}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DD927BBD-0175-47BC-95DC-B3AA7B2CDBE1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DD927BBD-0175-47BC-95DC-B3AA7B2CDBE1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DD927BBD-0175-47BC-95DC-B3AA7B2CDBE1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DD927BBD-0175-47BC-95DC-B3AA7B2CDBE1}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{33145D22-8C66-4C69-A409-3934840EAF4C} = {BCFEC1CA-66E1-462A-BFA8-00D61DCCD970}
@@ -75,5 +81,6 @@ Global
 		{5E3664B9-03C9-4357-86C5-B9B6E18C1098} = {BCFEC1CA-66E1-462A-BFA8-00D61DCCD970}
 		{773CDB41-E866-439A-A6F1-79308AF97AB8} = {99C564F4-BF8F-4555-AAB7-3A379C784CC4}
 		{9EB1DCAD-69EE-4AAF-813C-454FB8E87417} = {BCFEC1CA-66E1-462A-BFA8-00D61DCCD970}
+		{DD927BBD-0175-47BC-95DC-B3AA7B2CDBE1} = {99C564F4-BF8F-4555-AAB7-3A379C784CC4}
 	EndGlobalSection
 EndGlobal

tests/Jellyfin.Plugin.ListenBrainz.Common.Tests/GlobalUsings.cs

@@ -0,0 +1 @@
+global using Xunit;

tests/Jellyfin.Plugin.ListenBrainz.Common.Tests/Jellyfin.Plugin.ListenBrainz.Common.Tests.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+
+        <IsPackable>false</IsPackable>
+        <IsTestProject>true</IsTestProject>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0"/>
+        <PackageReference Include="xunit" Version="2.4.2"/>
+        <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="coverlet.collector" Version="6.0.0">
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\..\src\Jellyfin.Plugin.ListenBrainz.Common\Jellyfin.Plugin.ListenBrainz.Common.csproj" />
+    </ItemGroup>
+
+</Project>

tests/Jellyfin.Plugin.ListenBrainz.MusicBrainzApi.Tests/ExtensionsTests.cs → tests/Jellyfin.Plugin.ListenBrainz.Common.Tests/StringExtensionsTests.cs

@@ -1,10 +1,19 @@
 using Jellyfin.Plugin.ListenBrainz.Common.Extensions;
-using Xunit;
 
-namespace Jellyfin.Plugin.ListenBrainz.MusicBrainzApi.Tests;
+namespace Jellyfin.Plugin.ListenBrainz.Common.Tests;
 
-public class ExtensionsTests
+public class StringExtensionsTests
 {
+    [Theory]
+    [InlineData("foobar", "Foobar")]
+    [InlineData("", "")]
+    [InlineData("f", "F")]
+    [InlineData("FOOBAR", "FOOBAR")]
+    public void Extensions_Capitalize(string s, string expected)
+    {
+        Assert.Equal(expected, s.Capitalize());
+    }
+
     [Theory]
     [InlineData("kebabCase", "kebab-case")]
     [InlineData("Kebabcase", "kebabcase")]