Added unit tests

Author: IcySnex

GeniusAPI.Tests/GeniusAPI.Tests.csproj

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+<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="coverlet.collector" Version="6.0.0" />
+		<PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.0" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Console" Version="8.0.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+		<PackageReference Include="NUnit" Version="3.14.0" />
+		<PackageReference Include="NUnit.Analyzers" Version="3.9.0" />
+		<PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <ProjectReference Include="..\GeniusAPI\GeniusAPI.csproj" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<Using Include="NUnit.Framework" />
+	</ItemGroup>
+</Project>

GeniusAPI.Tests/Search.cs

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+#pragma warning disable IDE1006 // Naming Styles
+
+using GeniusAPI.Models;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+
+namespace GeniusAPI.Tests;
+
+internal class Search
+{
+    ILogger<LyricsClient> logger;
+    LyricsClient client;
+
+    [SetUp]
+    public void Setup()
+    {
+        ILoggerFactory factory = LoggerFactory.Create(builder =>
+        {
+            builder.AddConsole();
+        });
+
+        logger = factory.CreateLogger<LyricsClient>();
+        client = new(TestData.AccessToken, logger);
+    }
+
+
+    [Test]
+    public void search_for_tracks()
+    {
+        IEnumerable<LyricsTrack>? tracks = null;
+
+        Assert.DoesNotThrowAsync(async () =>
+        {
+            tracks = await client.SearchTracksAsync(TestData.Query);
+        });
+        Assert.That(tracks, Is.Not.Null);
+        Assert.That(tracks, Is.Not.Empty);
+
+        // Output
+        logger.LogInformation("\nTracks: {tracks} ", JsonSerializer.Serialize(tracks, TestData.SerializerOptions));
+    }
+
+
+    [Test]
+    public void fetch_track_lyrics()
+    {
+        string? trackLyrics = null;
+
+        Assert.DoesNotThrowAsync(async () =>
+        {
+            trackLyrics = await client.FetchLyricsAsync(TestData.Url);
+        });
+        Assert.That(trackLyrics, Is.Not.Null);
+        Assert.That(trackLyrics, Is.Not.Empty);
+
+        // Output
+        logger.LogInformation("\nTrack Lyrics: {trackLyrics} ", trackLyrics);
+    }
+}

GeniusAPI.Tests/TestData.cs

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+using System.Text.Json;
+
+namespace GeniusAPI.Tests;
+
+internal class TestData
+{
+    public static JsonSerializerOptions SerializerOptions = new()
+    {
+        WriteIndented = true
+    };
+
+
+    public const string AccessToken = "u_s2DsG-ewN4YDxgLZxzpo01mZaWSePOilc5rkBcylAYZ29cl93UzA7OEuPxWOCr";
+
+    public const string Query = "Pashanim";
+
+    public const string Url = "https://genius.com/Pashanim-shababs-botten-lyrics";
+}