Bug fix: issue when encoding objects that are already saved (#48)

* Bug fix: issue when encoding objects that are already saved

* Add test cases to detect if ParseObject body encoding breaks

* Add dates to ensure skipKeys doesn't break

* codecov patch set back to auto

.codecov.yml

@@ -5,7 +5,7 @@ coverage:
   status:
     patch:
       default:
-        target: 69
+        target: auto
     changes: false
     project:
       default:

Sources/ParseSwift/Coding/ParseEncoder.swift

@@ -262,7 +262,9 @@ private class _ParseEncoder: JSONEncoder, Encoder {
                 throw ParseError(code: .unknownError, message: "Found a circular dependency when encoding.")
             }
             self.uniqueObjects.insert(object)
-            if !self.collectChildren {
+            if !self.collectChildren && codingPath.count > 0 {
+                valueToEncode = value
+            } else if !self.collectChildren {
                 valueToEncode = value.toPointer()
             }
         } else {

Sources/ParseSwift/LiveQuery/ParseLiveQuery.swift

@@ -683,7 +683,7 @@ extension ParseLiveQuery {
     }
 }
 
-// MARK: Query - Subscribe
+// MARK: ParseLiveQuery - Subscribe
 @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
 public extension Query {
     /**
@@ -728,7 +728,7 @@ public extension Query {
     }
 }
 
-// MARK: Query - Unsubscribe
+// MARK: ParseLiveQuery - Unsubscribe
 @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
 public extension Query {
     /**
@@ -768,7 +768,7 @@ public extension Query {
     }
 }
 
-// MARK: Query - Update
+// MARK: ParseLiveQuery - Update
 @available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *)
 public extension Query {
     /**

Tests/ParseSwiftTests/ParseObjectBatchTests.swift

@@ -52,6 +52,35 @@ class ParseObjectBatchTests: XCTestCase { // swiftlint:disable:this type_body_le
         try? ParseStorage.shared.deleteAll()
     }
 
+    func testSaveAllCommand() throws {
+        let score = GameScore(score: 10)
+        let score2 = GameScore(score: 20)
+
+        var scoreOnServer = score
+        scoreOnServer.objectId = "yarr"
+        scoreOnServer.createdAt = Date()
+        scoreOnServer.updatedAt = scoreOnServer.createdAt
+        scoreOnServer.ACL = nil
+
+        var scoreOnServer2 = score2
+        scoreOnServer2.objectId = "yolo"
+        scoreOnServer2.createdAt = Date()
+        scoreOnServer2.updatedAt = scoreOnServer2.createdAt
+        scoreOnServer2.ACL = nil
+
+        let objects = [score, score2]
+        let commands = objects.map { $0.saveCommand() }
+        let body = BatchCommand(requests: commands)
+        // swiftlint:disable:next line_length
+        let expected = "{\"requests\":[{\"path\":\"\\/classes\\/GameScore\",\"method\":\"POST\",\"body\":{\"score\":10}},{\"path\":\"\\/classes\\/GameScore\",\"method\":\"POST\",\"body\":{\"score\":20}}]}"
+        let encoded = try ParseCoding.parseEncoder()
+            .encode(body, collectChildren: false,
+                    objectsSavedBeforeThisOne: nil,
+                    filesSavedBeforeThisOne: nil).encoded
+        let decoded = String(data: encoded, encoding: .utf8)
+        XCTAssertEqual(decoded, expected)
+    }
+
     func testSaveAll() { // swiftlint:disable:this function_body_length cyclomatic_complexity
         let score = GameScore(score: 10)
         let score2 = GameScore(score: 20)
@@ -235,6 +264,39 @@ class ParseObjectBatchTests: XCTestCase { // swiftlint:disable:this type_body_le
         }
     }
 
+    func testUpdateAllCommand() throws {
+        var score = GameScore(score: 10)
+        var score2 = GameScore(score: 20)
+
+        score.objectId = "yarr"
+        score.createdAt = Date()
+        score.updatedAt = Date()
+        score2.objectId = "yolo"
+        score2.createdAt = Date()
+        score2.updatedAt = Date()
+
+        let objects = [score, score2]
+        let initialCommands = objects.map { $0.saveCommand() }
+        let commands = initialCommands.compactMap { (command) -> API.Command<GameScore, GameScore>? in
+            let path = ParseConfiguration.mountPath + command.path.urlComponent
+            guard let body = command.body else {
+                return nil
+            }
+            return API.Command<GameScore, GameScore>(method: command.method, path: .any(path),
+                                     body: body, mapper: command.mapper)
+        }
+        let body = BatchCommand(requests: commands)
+        // swiftlint:disable:next line_length
+        let expected = "{\"requests\":[{\"path\":\"\\/1\\/classes\\/GameScore\\/yarr\",\"method\":\"PUT\",\"body\":{\"score\":10}},{\"path\":\"\\/1\\/classes\\/GameScore\\/yolo\",\"method\":\"PUT\",\"body\":{\"score\":20}}]}"
+
+        let encoded = try ParseCoding.parseEncoder()
+            .encode(body, collectChildren: false,
+                    objectsSavedBeforeThisOne: nil,
+                    filesSavedBeforeThisOne: nil).encoded
+        let decoded = String(data: encoded, encoding: .utf8)
+        XCTAssertEqual(decoded, expected)
+    }
+
     func testUpdateAll() { // swiftlint:disable:this function_body_length cyclomatic_complexity
         var score = GameScore(score: 10)
         score.objectId = "yarr"

Tests/ParseSwiftTests/ParseObjectTests.swift

@@ -461,7 +461,7 @@ class ParseObjectTests: XCTestCase { // swiftlint:disable:this type_body_length
         self.fetchAsync(score: score, scoreOnServer: scoreOnServer, callbackQueue: .main)
     }
 
-    func testSaveCommand() {
+    func testSaveCommand() throws {
         let score = GameScore(score: 10)
         let className = score.className
 
@@ -470,23 +470,49 @@ class ParseObjectTests: XCTestCase { // swiftlint:disable:this type_body_length
         XCTAssertEqual(command.path.urlComponent, "/classes/\(className)")
         XCTAssertEqual(command.method, API.Method.POST)
         XCTAssertNil(command.params)
-        XCTAssertNotNil(command.body)
         XCTAssertNotNil(command.data)
+
+        guard let body = command.body else {
+            XCTFail("Should be able to unwrap")
+            return
+        }
+
+        let expected = "{\"score\":10,\"player\":\"Jen\"}"
+        let encoded = try ParseCoding.parseEncoder()
+            .encode(body, collectChildren: false,
+                    objectsSavedBeforeThisOne: nil,
+                    filesSavedBeforeThisOne: nil).encoded
+        let decoded = String(data: encoded, encoding: .utf8)
+        XCTAssertEqual(decoded, expected)
     }
 
-    func testUpdateCommand() {
+    func testUpdateCommand() throws {
         var score = GameScore(score: 10)
         let className = score.className
         let objectId = "yarr"
         score.objectId = objectId
+        score.createdAt = Date()
+        score.updatedAt = Date()
 
         let command = score.saveCommand()
         XCTAssertNotNil(command)
         XCTAssertEqual(command.path.urlComponent, "/classes/\(className)/\(objectId)")
         XCTAssertEqual(command.method, API.Method.PUT)
         XCTAssertNil(command.params)
-        XCTAssertNotNil(command.body)
         XCTAssertNotNil(command.data)
+
+        guard let body = command.body else {
+            XCTFail("Should be able to unwrap")
+            return
+        }
+
+        let expected = "{\"score\":10,\"player\":\"Jen\"}"
+        let encoded = try ParseCoding.parseEncoder()
+            .encode(body, collectChildren: false,
+                    objectsSavedBeforeThisOne: nil,
+                    filesSavedBeforeThisOne: nil).encoded
+        let decoded = String(data: encoded, encoding: .utf8)
+        XCTAssertEqual(decoded, expected)
     }
 
     func testSave() { // swiftlint:disable:this function_body_length