Fix string attribute type

Was mapped to int64 🙈

Author: helje5

README.md

@@ -103,6 +103,13 @@ The macro implementation requires Xcode 15/Swift 5.9 for compilation.
 The generated code itself though should backport way back to 
 iOS 10 / macOS 10.12 though (when `NSPersistentContainer` was introduced).
 
+Package URL:
+```
+https://github.com/Data-swift/ManagedModels.git
+```
+
+ManagedModels has no other dependencies.
+
 
 #### Differences to SwiftData
 

Sources/ManagedModels/SchemaCompatibility/NSAttributeDescription+Data.swift

@@ -73,12 +73,12 @@ extension CoreData.NSAttributeDescription: SchemaProperty {
         self.attributeValueClassName = "NSNumber"
       }
       else if newValue == String.self {
-        self.attributeType           = .integer64AttributeType
+        self.attributeType           = .stringAttributeType
         self.isOptional              = false
         self.attributeValueClassName = "NSString"
       }
       else if newValue == String?.self {
-        self.attributeType           = .integer64AttributeType
+        self.attributeType           = .stringAttributeType
         self.isOptional              = true
         self.attributeValueClassName = "NSString"
       }
@@ -182,16 +182,6 @@ extension CoreData.NSAttributeDescription: SchemaProperty {
         self.isOptional              = true
         self.attributeValueClassName = "NSNumber"
       }
-      else if newValue == Int32.self {
-        self.attributeType           = .integer32AttributeType
-        self.isOptional              = false
-        self.attributeValueClassName = "NSNumber"
-      }
-      else if newValue == Int32?.self {
-        self.attributeType           = .integer32AttributeType
-        self.isOptional              = true
-        self.attributeValueClassName = "NSNumber"
-      }
       else {
         // TBD:
         // undefinedAttributeType = 0

Tests/ManagedModelTests/SchemaGenerationTests.swift

@@ -28,6 +28,9 @@ final class SchemaGenerationTests: XCTestCase {
     XCTAssertTrue (toAddresses.isRelationship)
     XCTAssertFalse(toAddresses.isToOneRelationship)
 
+    XCTAssertEqual(firstname.attributeType, .stringAttributeType)
+    XCTAssertTrue(firstname.valueType == String.self)
+    
     // Those can't be setup yet.
     XCTAssertTrue(toAddresses.destination.isEmpty)
     XCTAssertNil(toAddresses.inverseName)