Fetching a post on successful update (removes long time TODO) (#163)

* Fetching a post on successful update.

* Fixed test.
Added file for getPost since now we are calling that method from updatePost

Author: yaelirub

WordPressKit.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name          = "WordPressKit"
-  s.version       = "4.2.0-beta.1"
+  s.version       = "4.2.0-beta.2"
   s.summary       = "WordPressKit offers a clean and simple WordPress.com and WordPress.org API."
 
   s.description   = <<-DESC

WordPressKit/PostServiceRemoteXMLRPC.m

@@ -143,10 +143,16 @@ - (void)updatePost:(RemotePost *)post
     [self.api callMethod:@"metaWeblog.editPost"
               parameters:parameters
                  success:^(id responseObject, NSHTTPURLResponse *httpResponse) {
-                     // TODO: fetch individual post
-                     if (success) {
-                         success(post);
-                     }
+                     [self getPostWithID:post.postID success:^(RemotePost *fetchedPost) {
+                         if (success) {
+                             success(fetchedPost);
+                         }
+                     } failure:^(NSError *error) {
+                         //We failed to fetch the post but the update was successful
+                         if (success) {
+                             success(post);
+                         }
+                     }];
                  } failure:^(NSError *error, NSHTTPURLResponse *httpResponse) {
                      if (failure) {
                          failure(error);

WordPressKitTests/PostServiceRemoteXMLRPCTests.swift

@@ -259,7 +259,7 @@ class PostServiceRemoteXMLRPCTests: RemoteTestCase, XMLRPCTestable {
         let expect = expectation(description: "Update post success")
 
         stubRemoteResponse(XMLRPCTestableConstants.xmlRpcUrl,
-                           filename: updatePostSuccessMockFilename,
+                           files: [updatePostSuccessMockFilename, getPostSuccessMockFilename],
                            contentType: .XML)
 
         if let remoteInstance = remote as? PostServiceRemote {