refactored some stuff and added new models / attributes after rebase

spec/lib/gitlab/import_export/all_models.yml

@@ -11,7 +11,6 @@ issues:
 - labels
 - todos
 - user_agent_detail
-- project
 - moved_to
 - events
 events:
@@ -173,3 +172,4 @@ project:
 - triggers
 - environments
 - deployments
+- project_feature

spec/lib/gitlab/import_export/model_configuration_spec.rb

@@ -23,7 +23,7 @@ describe 'Import/Export model configuration', lib: true do
 
   it 'has no new models' do
     model_names.each do |model_name|
-      new_models = current_models[model_name] - all_models[model_name]
+      new_models = Array(current_models[model_name]) - Array(all_models[model_name])
       expect(new_models).to be_empty, failure_message(model_name.classify, new_models)
     end
   end
@@ -36,7 +36,7 @@ describe 'Import/Export model configuration', lib: true do
     model_names.each do |model_name|
       model_class = relation_class_for_name(model_name)
 
-      all_models_hash[model_name] = associations_for(model_class)
+      all_models_hash[model_name] = associations_for(model_class) - ['project']
     end
 
     all_models_hash

spec/lib/gitlab/import_export/safe_model_attributes.yml

@@ -298,3 +298,13 @@ Project:
 - archived
 Author:
 - name
+ProjectFeature:
+- id
+- project_id
+- merge_requests_access_level
+- issues_access_level
+- wiki_access_level
+- snippets_access_level
+- builds_access_level
+- created_at
+- updated_at

spec/support/import_export/configuration_helper.rb

@@ -23,9 +23,7 @@ module ConfigurationHelper
     attributes
   end
 
-  def associations_for(model_class)
-    model_class.reflect_on_all_associations.map do |association|
-      association.name.to_s
-    end
+  def associations_for(safe_model)
+    safe_model.reflect_on_all_associations.map { |assoc| assoc.name.to_s }
   end
 end

spec/support/import_export/export_file_helper.rb

@@ -120,10 +120,6 @@ module ExportFileHelper
     false
   end
 
-  def associations_for(safe_model)
-    safe_model.reflect_on_all_associations.map { |assoc| assoc.name.to_s }
-  end
-
   # Compares model attributes with those those found in the hash
   # and returns true if there is a match, ignoring some excluded attributes.
   def safe_model?(model, excluded_attributes, parent)