fix test code

update API

Author: cywd

FitAutoCodingDemo/FitAutoCodingTests/Book.swift

@@ -39,11 +39,11 @@ class Book: NSObject, NSCoding {
     // MARK: NSCoding
     required convenience init?(coder aDecoder: NSCoder) {
         self.init()
-        setup(with: aDecoder)
+        setup(withDecoder: aDecoder)
     }
 
     func encode(with aCoder: NSCoder) {
-        encode(withCoder: aCoder)
+        setup(withCoder: aCoder)
     }
 
 }

FitAutoCodingDemo/FitAutoCodingTests/FitAutoCodingTests.swift

@@ -33,13 +33,10 @@ class FitAutoCodingTests: XCTestCase {
             "pageCount" : 3,
             "available" : true,
             "categories":["one", "two"]
-            
             ] as [String : AnyObject]
+        
         let book = Book(dict: dic)
 
-        var pageCount: Int?
-        var categories: [String]?
-        var available: Bool?
         let data = NSKeyedArchiver.archivedData(withRootObject: book)
         UserDefaults.standard.set(data, forKey: "book")
         if let data = UserDefaults.standard.object(forKey: "book") as? NSData {

Source/FitAutoCoding.swift

@@ -31,14 +31,14 @@ extension NSObject {
         return mi.children.first?.value
     }
 
-    public func setup(with aDecoder: NSCoder) {
+    public func setup(withDecoder aDecoder: NSCoder) {
         for (key, _) in codableProperties() {
             let object = aDecoder.decodeObject(forKey: key)
             setValue(object, forKey: key)
         }
     }
 
-    public func encode(withCoder aCoder: NSCoder) {
+    public func setup(withCoder aCoder: NSCoder) {
         for (key, value) in codableProperties() {
             switch value {
             case let property as AnyObject: