feat: open-source 小浣熊阅读 for iOS

Tests/LegadoCoreTests/BookChapterRepositoryTests.swift

@@ -0,0 +1,34 @@
+import Foundation
+import Testing
+@testable import LegadoCore
+
+struct BookChapterRepositoryTests {
+    @Test func normalizesAndPersistsChaptersPerBook() async throws {
+        let directory = FileManager.default.temporaryDirectory.appending(path: UUID().uuidString, directoryHint: .isDirectory)
+        defer { try? FileManager.default.removeItem(at: directory) }
+        let repository = FileBookChapterRepository(directory: directory)
+        var chapter = BookChapter(url: "1", title: "第一章", bookUrl: "wrong", index: 9)
+        chapter.wordCount = "1000"
+
+        try await repository.save([chapter], bookURL: "book-a")
+        let restored = try await repository.load(bookURL: "book-a")
+
+        #expect(restored.first?.bookUrl == "book-a")
+        #expect(restored.first?.index == 0)
+        #expect(restored.first?.wordCount == "1000")
+        #expect(try await repository.load(bookURL: "book-b").isEmpty)
+    }
+
+    @Test func removesOnlyRequestedBook() async throws {
+        let repository = InMemoryBookChapterRepository()
+        let a = BookChapter(url: "1", title: "A", bookUrl: "a", index: 0)
+        let b = BookChapter(url: "1", title: "B", bookUrl: "b", index: 0)
+        await repository.save([a], bookURL: "a")
+        await repository.save([b], bookURL: "b")
+
+        await repository.remove(bookURL: "a")
+
+        #expect(await repository.load(bookURL: "a").isEmpty)
+        #expect(await repository.load(bookURL: "b") == [b])
+    }
+}