Bugfix/build errors with swift 6 2

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Lint
         run: swiftlint lint --quiet
   test:
-    runs-on: macos-15
+    runs-on: macos-26
     environment: default
     steps:
       - uses: actions/checkout@v4

Sources/CoreDataRepository/CoreDataRepository+Aggregate.swift

@@ -4,7 +4,7 @@
 // This source code is licensed under the MIT License (MIT) found in the
 // LICENSE file in the root directory of this source tree.
 
-import CoreData
+@preconcurrency import CoreData
 import Foundation
 
 // swiftlint:disable file_length

Sources/CoreDataRepository/CoreDataRepository+Fetch.swift

@@ -4,7 +4,7 @@
 // This source code is licensed under the MIT License (MIT) found in the
 // LICENSE file in the root directory of this source tree.
 
-import CoreData
+@preconcurrency import CoreData
 import Foundation
 
 extension CoreDataRepository {

Sources/CoreDataRepository/CoreDataRepository+Read_Batch.swift

@@ -95,7 +95,7 @@ extension CoreDataRepository {
     /// This operation is non-atomic. Each instance may succeed or fail individually.
     @inlinable
     public func readAtomically<Model: IdentifiedUnmanagedModel>(
-        _ ids: some Sequence<Model.UnmanagedId>,
+        _ ids: some Sequence<Model.UnmanagedId> & Sendable,
         as _: Model.Type
     ) async -> Result<[Model], CoreDataError> {
         let context = Transaction.current?.context ?? context
@@ -115,7 +115,7 @@ extension CoreDataRepository {
     /// This operation is non-atomic. Each instance may succeed or fail individually.
     @inlinable
     public func readAtomically<Model: ReadableUnmanagedModel>(
-        _ items: some Sequence<Model>
+        _ items: some Sequence<Model> & Sendable
     ) async -> Result<[Model], CoreDataError> {
         let context = Transaction.current?.context ?? context
         return await context.performInChild(schedule: .enqueued) { readContext in
@@ -134,7 +134,7 @@ extension CoreDataRepository {
     /// This operation is non-atomic. Each instance may succeed or fail individually.
     @inlinable
     public func readAtomically<Model: FetchableUnmanagedModel>(
-        _ managedIds: some Sequence<NSManagedObjectID>,
+        _ managedIds: some Sequence<NSManagedObjectID> & Sendable,
         as _: Model.Type
     ) async -> Result<[Model], CoreDataError> {
         let context = Transaction.current?.context ?? context
@@ -154,7 +154,7 @@ extension CoreDataRepository {
     /// This operation is non-atomic. Each instance may succeed or fail individually.
     @inlinable
     public func readAtomically<Model: FetchableUnmanagedModel>(
-        _ managedIdUrls: some Sequence<URL>,
+        _ managedIdUrls: some Sequence<URL> & Sendable,
         as _: Model.Type
     ) async -> Result<[Model], CoreDataError> {
         let context = Transaction.current?.context ?? context

Sources/CoreDataRepository/Internal/AggregateSubscription.swift

@@ -4,7 +4,7 @@
 // This source code is licensed under the MIT License (MIT) found in the
 // LICENSE file in the root directory of this source tree.
 
-import CoreData
+@preconcurrency import CoreData
 import Foundation
 
 /// Subscription provider that sends updates when an aggregate fetch request changes

Sources/CoreDataRepository/Internal/AggregateThrowingSubscription.swift

@@ -4,7 +4,7 @@
 // This source code is licensed under the MIT License (MIT) found in the
 // LICENSE file in the root directory of this source tree.
 
-import CoreData
+@preconcurrency import CoreData
 import Foundation
 
 /// Subscription provider that sends updates when an aggregate fetch request changes

Sources/CoreDataRepository/Internal/CountSubscription.swift

@@ -4,7 +4,7 @@
 // This source code is licensed under the MIT License (MIT) found in the
 // LICENSE file in the root directory of this source tree.
 
-import CoreData
+@preconcurrency import CoreData
 import Foundation
 
 /// Subscription provider that sends updates when a count fetch request changes

Sources/CoreDataRepository/Internal/CountThrowingSubscription.swift

@@ -4,7 +4,7 @@
 // This source code is licensed under the MIT License (MIT) found in the
 // LICENSE file in the root directory of this source tree.
 
-import CoreData
+@preconcurrency import CoreData
 import Foundation
 
 /// Subscription provider that sends updates when a count fetch request changes

Sources/CoreDataRepository/Internal/FetchSubscription.swift

@@ -4,7 +4,7 @@
 // This source code is licensed under the MIT License (MIT) found in the
 // LICENSE file in the root directory of this source tree.
 
-import CoreData
+@preconcurrency import CoreData
 import Foundation
 
 /// Subscription provider that sends updates when a fetch request changes

Sources/CoreDataRepository/Internal/FetchThrowingSubscription.swift

@@ -4,7 +4,7 @@
 // This source code is licensed under the MIT License (MIT) found in the
 // LICENSE file in the root directory of this source tree.
 
-import CoreData
+@preconcurrency import CoreData
 import Foundation
 
 /// Subscription provider that sends updates when a fetch request changes

Tests/CoreDataRepositoryTests/AggregateTests.swift

@@ -12,12 +12,12 @@ import Testing
 
 extension CoreDataRepositoryTests {
     @Suite
-    struct AggregateTests: CoreDataTestSuite, @unchecked Sendable {
+    struct AggregateTests: CoreDataTestSuite, Sendable {
         let container: NSPersistentContainer
         let repositoryContext: NSManagedObjectContext
         let repository: CoreDataRepository
 
-        let fetchRequest: NSFetchRequest<ManagedModel_UuidId> = {
+        nonisolated(unsafe) let fetchRequest: NSFetchRequest<ManagedModel_UuidId> = {
             let request = UnmanagedModel_UuidId.managedFetchRequest()
             request.sortDescriptors = [NSSortDescriptor(keyPath: \ManagedModel_UuidId.int, ascending: true)]
             return request
@@ -34,7 +34,11 @@ extension CoreDataRepositoryTests {
         var objectIds = [NSManagedObjectID]()
 
         mutating func extraSetup() async throws {
-            let (_expectedValues, _objectIds) = try repositoryContext.performAndWait {
+            let (_expectedValues, _objectIds) = try repositoryContext.performAndWait { [
+                self,
+                repositoryContext,
+                values
+            ] in
                 let managedMovies = try values
                     .map {
                         try ManagedIdUrlModel_UuidId(fetchable: $0)

Tests/CoreDataRepositoryTests/BatchRequestTests.swift

@@ -12,26 +12,26 @@ import Testing
 
 extension CoreDataRepositoryTests {
     @Suite
-    struct BatchRequestTests: CoreDataTestSuite {
+    struct BatchRequestTests: CoreDataTestSuite, Sendable {
         let container: NSPersistentContainer
         let repositoryContext: NSManagedObjectContext
         let repository: CoreDataRepository
 
-        let values: [[String: Any]] = [
+        nonisolated(unsafe) let values: [[String: Any]] = [
             ManagedIdUrlModel_UuidId.seeded(1).asDict,
             ManagedIdUrlModel_UuidId.seeded(2).asDict,
             ManagedIdUrlModel_UuidId.seeded(3).asDict,
             ManagedIdUrlModel_UuidId.seeded(4).asDict,
             ManagedIdUrlModel_UuidId.seeded(5).asDict,
         ]
-        let failureInsertMovies: [[String: Any]] = [
+        nonisolated(unsafe) let failureInsertMovies: [[String: Any]] = [
             ["id": "A", "title": 1, "releaseDate": "A"],
             ["id": "B", "title": 2, "releaseDate": "B"],
             ["id": "C", "title": 3, "releaseDate": "C"],
             ["id": "D", "title": 4, "releaseDate": "D"],
             ["id": "E", "title": 5, "releaseDate": "E"],
         ]
-        let failureCreateMovies: [[String: Any]] = [
+        nonisolated(unsafe) let failureCreateMovies: [[String: Any]] = [
             ["id": UUID(uniform: "A"), "title": "A", "releaseDate": Date()],
             ["id": UUID(uniform: "A"), "title": "B", "releaseDate": Date()],
             ["id": UUID(uniform: "A"), "title": "C", "releaseDate": Date()],
@@ -70,9 +70,8 @@ extension CoreDataRepositoryTests {
 
         @Test(arguments: [false, true])
         func insertSuccess(inTransaction: Bool) async throws {
-            let fetchRequest = ManagedIdUrlModel_UuidId.managedFetchRequest()
             try await repositoryContext.perform {
-                let count = try repositoryContext.count(for: fetchRequest)
+                let count = try repositoryContext.count(for: ManagedIdUrlModel_UuidId.managedFetchRequest())
                 expectNoDifference(count, 0, "Count of objects in CoreData should be zero at the start of each test.")
             }
 
@@ -101,7 +100,7 @@ extension CoreDataRepositoryTests {
             }
 
             try await repositoryContext.perform {
-                let data = try repositoryContext.fetch(fetchRequest)
+                let data = try repositoryContext.fetch(ManagedIdUrlModel_UuidId.managedFetchRequest())
                 expectNoDifference(
                     data.map(\.string).sorted(),
                     ["1", "2", "3", "4", "5"],
@@ -121,9 +120,8 @@ extension CoreDataRepositoryTests {
 
         @Test(arguments: [false, true])
         func insertFailure(inTransaction: Bool) async throws {
-            let fetchRequest = ManagedIdUrlModel_UuidId.managedFetchRequest()
             try await repositoryContext.perform {
-                let count = try repositoryContext.count(for: fetchRequest)
+                let count = try repositoryContext.count(for: ManagedIdUrlModel_UuidId.managedFetchRequest())
                 expectNoDifference(count, 0, "Count of objects in CoreData should be zero at the start of each test.")
             }
 
@@ -147,16 +145,15 @@ extension CoreDataRepositoryTests {
             }
 
             try await repositoryContext.perform {
-                let data = try repositoryContext.fetch(fetchRequest)
+                let data = try repositoryContext.fetch(ManagedIdUrlModel_UuidId.managedFetchRequest())
                 expectNoDifference(data.map(\.string).sorted(), [], "There should be no inserted values.")
             }
         }
 
         @Test(arguments: [false, true])
         func updateSuccess(inTransaction: Bool) async throws {
-            let fetchRequest = ManagedIdUrlModel_UuidId.managedFetchRequest()
             try await repositoryContext.perform {
-                let count = try repositoryContext.count(for: fetchRequest)
+                let count = try repositoryContext.count(for: ManagedIdUrlModel_UuidId.managedFetchRequest())
                 expectNoDifference(count, 0, "Count of objects in CoreData should be zero at the start of each test.")
 
                 _ = try values
@@ -183,7 +180,7 @@ extension CoreDataRepositoryTests {
             }
 
             try await repositoryContext.perform {
-                let data = try repositoryContext.fetch(fetchRequest)
+                let data = try repositoryContext.fetch(ManagedIdUrlModel_UuidId.managedFetchRequest())
                 expectNoDifference(
                     data.map(\.string).sorted(),
                     ["Updated!", "Updated!", "Updated!", "Updated!", "Updated!"],
@@ -202,9 +199,8 @@ extension CoreDataRepositoryTests {
 
         @Test(arguments: [false, true])
         func deleteSuccess(inTransaction: Bool) async throws {
-            let fetchRequest = ManagedIdUrlModel_UuidId.managedFetchRequest()
             try await repositoryContext.perform {
-                let count = try repositoryContext.count(for: fetchRequest)
+                let count = try repositoryContext.count(for: ManagedIdUrlModel_UuidId.managedFetchRequest())
                 expectNoDifference(count, 0, "Count of objects in CoreData should be zero at the start of each test.")
 
                 _ = try values
@@ -232,7 +228,7 @@ extension CoreDataRepositoryTests {
             }
 
             try await repositoryContext.perform {
-                let data = try repositoryContext.fetch(fetchRequest)
+                let data = try repositoryContext.fetch(ManagedIdUrlModel_UuidId.managedFetchRequest())
                 expectNoDifference(data.map(\.string).sorted(), [], "There should be no remaining values.")
             }
             // Transaction author refuses to be applied when going through a transaction. Need to investigate further.

Tests/CoreDataRepositoryTests/CoreDataTestSuite.swift

@@ -45,14 +45,8 @@ extension CoreDataTestSuite {
         // empty by default
     }
 
-    func mapInContext<I, O>(_ input: I, transform: (I) throws -> O) throws -> O {
-        try repositoryContext.performAndWait {
-            try transform(input)
-        }
-    }
-
     func verify<T>(_ item: T) async throws where T: FetchableUnmanagedModel, T: Equatable {
-        repositoryContext.performAndWait {
+        repositoryContext.performAndWait { [repositoryContext] in
             var managed: T.ManagedModel?
             do {
                 managed = try repositoryContext.fetch(T.managedFetchRequest()).first { try T(managed: $0) == item }
@@ -71,7 +65,7 @@ extension CoreDataTestSuite {
     }
 
     func verify<T>(_ item: T) async throws where T: ReadableUnmanagedModel, T: Equatable {
-        try repositoryContext.performAndWait {
+        try repositoryContext.performAndWait { [repositoryContext] in
             var _managed: T.ManagedModel?
             do {
                 _managed = try item.readManaged(from: repositoryContext)
@@ -91,8 +85,8 @@ extension CoreDataTestSuite {
     }
 
     func verify(transactionAuthor: String?, timeStamp: Date) throws {
-        let historyRequest = NSPersistentHistoryChangeRequest.fetchHistory(after: timeStamp)
-        try repositoryContext.performAndWait {
+        try repositoryContext.performAndWait { [repositoryContext] in
+            let historyRequest = NSPersistentHistoryChangeRequest.fetchHistory(after: timeStamp)
             let historyResult = try #require(repositoryContext.execute(historyRequest) as? NSPersistentHistoryResult)
             let history = try #require(historyResult.result as? [NSPersistentHistoryTransaction])
             #expect(history.count > 0)
@@ -103,7 +97,7 @@ extension CoreDataTestSuite {
     }
 
     func verifyDoesNotExist<T>(_ item: T) async throws where T: FetchableUnmanagedModel, T: Equatable {
-        repositoryContext.performAndWait {
+        repositoryContext.performAndWait { [repositoryContext] in
             var _managed: T.ManagedModel?
             do {
                 _managed = try repositoryContext.fetch(T.managedFetchRequest()).first { try T(managed: $0) == item }
@@ -118,7 +112,7 @@ extension CoreDataTestSuite {
     }
 
     func verifyDoesNotExist<T>(_ item: T) async throws where T: ReadableUnmanagedModel, T: Equatable {
-        repositoryContext.performAndWait {
+        repositoryContext.performAndWait { [repositoryContext] in
             var _managed: T.ManagedModel?
             do {
                 _managed = try item.readManaged(from: repositoryContext)
@@ -133,8 +127,8 @@ extension CoreDataTestSuite {
     }
 
     func verifyDoesNotExist(transactionAuthor: String?, timeStamp: Date) throws {
-        let historyRequest = NSPersistentHistoryChangeRequest.fetchHistory(after: timeStamp)
-        try repositoryContext.performAndWait {
+        try repositoryContext.performAndWait { [repositoryContext] in
+            let historyRequest = NSPersistentHistoryChangeRequest.fetchHistory(after: timeStamp)
             let historyResult = try #require(repositoryContext.execute(historyRequest) as? NSPersistentHistoryResult)
             let history = try #require(historyResult.result as? [NSPersistentHistoryTransaction])
             if transactionAuthor == nil {
@@ -148,7 +142,7 @@ extension CoreDataTestSuite {
     }
 
     func delete(managedId: NSManagedObjectID) throws {
-        try repositoryContext.performAndWait {
+        try repositoryContext.performAndWait { [repositoryContext] in
             let managed = repositoryContext.object(with: managedId)
             repositoryContext.delete(managed)
             try repositoryContext.save()