Added tests for search coordination.

MangaReader.Tests/Search/MangaSearchCoordinatorTests.cs

@@ -0,0 +1,84 @@
+using MangaReader.Core.Search;
+using NSubstitute;
+using Shouldly;
+
+namespace MangaReader.Tests.Search;
+
+public class MangaSearchCoordinatorTests
+{
+    [Fact]
+    public async Task Search_Manga_From_All_Sources()
+    {
+        IMangaSearchProvider searchProvider1 = Substitute.For<IMangaSearchProvider>();
+        searchProvider1.SourceId.Returns("Manga Source 1");
+        searchProvider1.SearchAsync(Arg.Any<string>(), CancellationToken.None)
+            .Returns(
+            [
+                new()
+                {
+                    Title = "Test Manga 1",
+                    Url = "https://mangasource1.com/manga/1",
+                    Thumbnail = "https://mangasource1.com/manga/cover/1.png"
+                },
+                new()
+                {
+                    Title = "Test Manga 2",
+                    Url = "https://mangasource2.com/manga/2",
+                    Thumbnail = "https://mangasource2.com/manga/cover/2.png"
+                }
+            ]);
+
+        IMangaSearchProvider searchProvider2 = Substitute.For<IMangaSearchProvider>();
+        searchProvider2.SourceId.Returns("Manga Source 2");
+        searchProvider2.SearchAsync(Arg.Any<string>(), CancellationToken.None)
+             .Returns(
+            [
+                new()
+                {
+                    Title = "Test Manga 3",
+                    Url = "https://mangasource3.com/manga/3",
+                    Thumbnail = "https://mangasource3.com/manga/cover/3.png"
+                },
+            ]);
+
+        IMangaSearchProvider searchProvider3 = Substitute.For<IMangaSearchProvider>();
+        searchProvider3.SourceId.Returns("Manga Source 3");
+        searchProvider3.SearchAsync(Arg.Any<string>(), CancellationToken.None)
+            .Returns([]);
+
+        MangaSearchCoordinator searchCoordinator = new([searchProvider1, searchProvider2, searchProvider3]);
+
+        Dictionary<string, MangaSearchResult[]> results = await searchCoordinator.SearchAsync("Test", CancellationToken.None);
+        results.Count.ShouldBe(3);
+
+        results.Keys.ToArray().ShouldBe(["Manga Source 1", "Manga Source 2", "Manga Source 3"]);
+
+        results["Manga Source 1"].ShouldBe(
+        [
+             new()
+             {
+                 Title = "Test Manga 1",
+                 Url = "https://mangasource1.com/manga/1",
+                 Thumbnail = "https://mangasource1.com/manga/cover/1.png"
+             },
+            new()
+            {
+                Title = "Test Manga 2",
+                Url = "https://mangasource2.com/manga/2",
+                Thumbnail = "https://mangasource2.com/manga/cover/2.png"
+            }
+        ]);
+
+        results["Manga Source 2"].ShouldBe(
+        [
+            new()
+            {
+                Title = "Test Manga 3",
+                Url = "https://mangasource3.com/manga/3",
+                Thumbnail = "https://mangasource3.com/manga/cover/3.png"
+            }
+        ]);
+
+        results["Manga Source 3"].ShouldBe([]);
+    }
+}