Add iPhone local favorites

2026-05-31 13:20:07 +02:00
parent cb556ccf0a
commit 3d7252ce6d
8 changed files with 1103 additions and 14 deletions
@@ -0,0 +1,113 @@
+import Foundation
+import XCTest
+@testable import VelodyPersistence
+
+final class FavoriteTrackStoreTests: XCTestCase {
+    func testFavoriteTrackStoreUpsertsAndRemovesByRemoteTrackID() async throws {
+        let store = InMemoryFavoriteTrackStore()
+        let originalFavorite = FavoriteTrackRecord(
+            remoteTrackId: "track-123",
+            favoritedAt: Date(timeIntervalSince1970: 1_000)
+        )
+        let updatedFavorite = FavoriteTrackRecord(
+            remoteTrackId: "track-123",
+            favoritedAt: Date(timeIntervalSince1970: 2_000)
+        )
+        let secondFavorite = FavoriteTrackRecord(
+            remoteTrackId: "track-456",
+            favoritedAt: Date(timeIntervalSince1970: 3_000)
+        )
+
+        try await store.saveFavoriteTrack(originalFavorite)
+        try await store.saveFavoriteTrack(updatedFavorite)
+        try await store.saveFavoriteTrack(secondFavorite)
+
+        let savedFavorites = try await store.loadFavoriteTracks()
+
+        XCTAssertEqual(savedFavorites.count, 2)
+        XCTAssertTrue(savedFavorites.contains(updatedFavorite))
+        XCTAssertTrue(savedFavorites.contains(secondFavorite))
+
+        try await store.removeFavoriteTrack(remoteTrackId: "track-123")
+        let remainingFavorites = try await store.loadFavoriteTracks()
+
+        XCTAssertEqual(remainingFavorites, [secondFavorite])
+    }
+
+    func testFileFavoriteTrackStorePersistsAcrossInstances() async throws {
+        let fileManager = FileManager.default
+        let tempDirectory = fileManager.temporaryDirectory.appendingPathComponent(
+            UUID().uuidString,
+            isDirectory: true
+        )
+        let fileURL = tempDirectory.appendingPathComponent("favorite-tracks.json")
+        let favorites = [
+            FavoriteTrackRecord(
+                remoteTrackId: "track-123",
+                favoritedAt: Date(timeIntervalSince1970: 1_000)
+            ),
+            FavoriteTrackRecord(
+                remoteTrackId: "track-456",
+                favoritedAt: Date(timeIntervalSince1970: 2_000)
+            ),
+        ]
+
+        defer {
+            try? fileManager.removeItem(at: tempDirectory)
+        }
+
+        let firstStore = try FileFavoriteTrackStore(fileURL: fileURL)
+        try await firstStore.saveFavoriteTracks(favorites)
+
+        let secondStore = try FileFavoriteTrackStore(fileURL: fileURL)
+        let restoredFavorites = try await secondStore.loadFavoriteTracks()
+
+        XCTAssertEqual(restoredFavorites, favorites)
+    }
+
+    func testFileFavoriteTrackStoreWritesAtomicallyAndOverwritesOldContents() async throws {
+        let fileManager = FileManager.default
+        let tempDirectory = fileManager.temporaryDirectory.appendingPathComponent(
+            UUID().uuidString,
+            isDirectory: true
+        )
+        let fileURL = tempDirectory.appendingPathComponent("favorite-tracks.json")
+        let firstFavorites = [
+            FavoriteTrackRecord(
+                remoteTrackId: "track-b",
+                favoritedAt: Date(timeIntervalSince1970: 2_000)
+            ),
+            FavoriteTrackRecord(
+                remoteTrackId: "track-a",
+                favoritedAt: Date(timeIntervalSince1970: 1_000)
+            ),
+        ]
+        let secondFavorites = [
+            FavoriteTrackRecord(
+                remoteTrackId: "track-c",
+                favoritedAt: Date(timeIntervalSince1970: 3_000)
+            ),
+        ]
+        let decoder = JSONDecoder()
+        decoder.dateDecodingStrategy = .iso8601
+
+        defer {
+            try? fileManager.removeItem(at: tempDirectory)
+        }
+
+        let store = try FileFavoriteTrackStore(fileURL: fileURL)
+        try await store.saveFavoriteTracks(firstFavorites)
+        try await store.saveFavoriteTracks(secondFavorites)
+
+        let rawData = try Data(contentsOf: fileURL)
+        let restoredFavorites = try decoder.decode([FavoriteTrackRecord].self, from: rawData)
+        let directoryContents = try fileManager.contentsOfDirectory(atPath: tempDirectory.path)
+        let json = try XCTUnwrap(
+            JSONSerialization.jsonObject(with: rawData) as? [[String: Any]]
+        )
+
+        XCTAssertEqual(restoredFavorites, secondFavorites)
+        XCTAssertEqual(directoryContents.sorted(), ["favorite-tracks.json"])
+        XCTAssertEqual(Set(json[0].keys), ["favoritedAt", "remoteTrackId"])
+    }
+}