Added contributor classes for manga. Implemented MangaDex search.

MangaReader.Tests/Search/NatoManga/NatoMangaWebSearchTests.cs

@@ -0,0 +1,51 @@
+using MangaReader.Core.HttpService;
+using MangaReader.Core.Search;
+using MangaReader.Core.Search.NatoManga;
+using MangaReader.Tests.Utilities;
+using NSubstitute;
+using Shouldly;
+
+namespace MangaReader.Tests.Search.NatoManga;
+
+public class NatoMangaWebSearchTests
+{
+    [Fact]
+    public void Get_Search_Url()
+    {
+        // Arrange
+        IHttpService httpService = Substitute.For<IHttpService>();
+        NatoMangaSearchProviderTestWrapper searchProvider = new(httpService);
+
+        // Act
+        string url = searchProvider.Test_GetSearchUrl("Gal can't be kind");
+
+        // Assert
+        url.ShouldBe("https://www.natomanga.com/home/search/json?searchword=gal_can_t_be_kind");
+    }
+
+    [Fact]
+    public async Task Get_Search_Result()
+    {
+        string resourceName = "MangaReader.Tests.Search.NatoManga.SampleSearchResult.json";
+        string searchResultJson = await ResourceHelper.ReadJsonResourceAsync(resourceName);
+
+        IHttpService httpService = Substitute.For<IHttpService>();
+
+        httpService.GetStringAsync(Arg.Any<string>())
+            .Returns(Task.FromResult(searchResultJson));
+
+        NatoMangaSearchProvider searchProvider = new(httpService);
+        MangaSearchResult[] searchResult = await searchProvider.SearchAsync("Gal Can't Be Kind");
+
+        searchResult.Length.ShouldBe(2);
+        searchResult[0].Title.ShouldBe("Gal Can't Be Kind to Otaku!");
+        searchResult[1].Title.ShouldBe("Gal Can’t Be Kind to Otaku!?");
+        searchResult[0].Url.ShouldBe("https://www.natomanga.com/manga/gal-can-t-be-kind-to-otaku");
+        searchResult[1].Url.ShouldBe("https://www.natomanga.com/manga/gal-cant-be-kind-to-otaku");
+    }
+}
+
+internal class NatoMangaSearchProviderTestWrapper(IHttpService httpService) : NatoMangaSearchProvider(httpService)
+{
+    internal string Test_GetSearchUrl(string keyword) => GetSearchUrl(keyword);
+}