In memory store

Author: anconaesselmann

Sources/ProgrammaticCoreData/NSManagedObjectModel+Extensions.swift

@@ -53,4 +53,12 @@ public extension NSManagedObjectModel {
     func createLocalContainer(name: String, subdirectory: String?) throws -> NSPersistentContainer {
         try NSPersistentContainer(name: name, managedObjectModel: self, subdirecotry: subdirectory)
     }
+
+    func createInMemoryContainer(name: String) throws -> NSPersistentContainer {
+        let container = NSPersistentContainer(name: name, managedObjectModel: self)
+        let description = NSPersistentStoreDescription()
+        description.type = NSInMemoryStoreType
+        container.persistentStoreDescriptions = [description]
+        return container
+    }
 }

Sources/ProgrammaticCoreData/NSPersistentContainer+Extensions.swift

@@ -20,6 +20,7 @@ public extension NSPersistentContainer {
 
         case cloud(cloudContainerIdentifier: String, options: CloudOptions)
         case local(subdirecotry: String?)
+        case inMemory
 
         public static var local: Self {
             .local(subdirecotry: nil)
@@ -29,7 +30,7 @@ public extension NSPersistentContainer {
             switch self {
             case .cloud:
                 return true
-            case .local:
+            case .local, .inMemory:
                 return false
             }
         }
@@ -82,6 +83,8 @@ public extension NSPersistentContainer {
             )
         case .local(let subdirectory):
             container = try model.createLocalContainer(name: name, subdirectory: subdirectory)
+        case .inMemory:
+            container = try model.createInMemoryContainer(name: name)
         }
         try await container.loadPersistentStores()
         return container