token metadata helper specs

lib/fb_graph2/token_metadata.rb

@@ -21,6 +21,11 @@ module FbGraph2
       end
     end
 
+    def fetch(params = {}, options = {})
+      attributes = get params, options
+      self.class.new(attributes[:data]).authenticate access_token
+    end
+
     def valid?
       !!is_valid
     end
@@ -36,10 +41,5 @@ module FbGraph2
     def page_token?
       app.present? && user.present? && page.present?
     end
-
-    def fetch(params = {}, options = {})
-      attributes = get params, options
-      self.class.new(attributes[:data]).authenticate access_token
-    end
   end
 end

spec/fb_graph2/token_metadata_spec.rb

@@ -0,0 +1,51 @@
+require 'spec_helper'
+
+describe FbGraph2::TokenMetadata do
+  let(:app_token) do
+    attributes = mock_json 'token_metadata/app_token'
+    FbGraph2::TokenMetadata.new attributes[:data]
+  end
+  let(:user_token) do
+    attributes = mock_json 'token_metadata/user_token'
+    FbGraph2::TokenMetadata.new attributes[:data]
+  end
+  let(:page_token) do
+    attributes = mock_json 'token_metadata/page_token'
+    FbGraph2::TokenMetadata.new attributes[:data]
+  end
+  let(:invalid_token) do
+    attributes = mock_json 'token_metadata/invalid_token'
+    FbGraph2::TokenMetadata.new attributes[:data]
+  end
+
+  context 'when app_token' do
+    subject { app_token }
+    its(:app_token?) { should == true }
+    its(:user_token?) { should == false }
+    its(:page_token?) { should == false }
+  end
+
+  context 'when user_token' do
+    subject { user_token }
+    its(:app_token?) { should == false }
+    its(:user_token?) { should == true }
+    its(:page_token?) { should == false }
+  end
+
+  context 'when page_token' do
+    subject { page_token }
+    its(:app_token?) { should == false }
+    its(:user_token?) { should == false }
+    its(:page_token?) { should == true }
+  end
+
+  context 'when valid' do
+    subject { user_token }
+    its(:valid?) { should == true }
+  end
+
+  context 'when invalid' do
+    subject { invalid_token }
+    its(:valid?) { should == false }
+  end
+end

spec/mock_json/token_metadata/invalid_token.json

@@ -0,0 +1,15 @@
+{
+  "data": {
+    "error": {
+      "message": "Error validating access token: This may be because the user logged out or may be due to a system error.",
+      "code": 190,
+      "subcode": 467
+    },
+    "app_id": "210798282372757",
+    "is_valid": false,
+    "application": "gem sample",
+    "user_id": "579612276",
+    "expires_at": 1409655600,
+    "scopes": ["public_profile", "basic_info", "read_stream", "read_mailbox", "read_page_mailboxes", "rsvp_event", "email", "ads_management", "ads_read", "read_insights", "manage_notifications", "read_friendlists", "manage_pages", "publish_actions", "user_birthday", "user_religion_politics", "user_relationships", "user_relationship_details", "user_hometown", "user_location", "user_likes", "user_activities", "user_interests", "user_education_history", "user_work_history", "user_website", "user_groups", "user_events", "user_photos", "user_videos", "user_friends", "user_about_me", "user_status", "user_games_activity", "user_tagged_places", "user_actions.books", "user_actions.music", "user_actions.video", "user_actions.news"]
+  }
+}