changed literal array syntax, as suggested by RuboCop

app/controllers/concerns/file_parameters.rb

@@ -1,6 +1,6 @@
 module FileParameters
   def file_attributes
-    %w[content context_id feedback_message file_id file_type_id hidden id name native_file path read_only role weight]
+    %w(content context_id feedback_message file_id file_type_id hidden id name native_file path read_only role weight)
   end
   private :file_attributes
 end

app/controllers/concerns/lti.rb

@@ -5,7 +5,7 @@ module Lti
 
   MAXIMUM_SCORE = 1
   MAXIMUM_SESSION_AGE = 60.minutes
-  SESSION_PARAMETERS = %w[launch_presentation_return_url lis_outcome_service_url lis_result_sourcedid]
+  SESSION_PARAMETERS = %w(launch_presentation_return_url lis_outcome_service_url lis_result_sourcedid)
 
   def build_tool_provider(options = {})
     if options[:consumer] && options[:parameters]

app/models/code_ocean/file.rb

@@ -3,8 +3,8 @@ require File.expand_path('../../../uploaders/file_uploader', __FILE__)
 module CodeOcean
   class File < ActiveRecord::Base
     DEFAULT_WEIGHT = 1.0
-    ROLES = %w[main_file reference_implementation regular_file teacher_defined_test user_defined_file user_defined_test]
-    TEACHER_DEFINED_ROLES = ROLES - %w[user_defined_file]
+    ROLES = %w(main_file reference_implementation regular_file teacher_defined_test user_defined_file user_defined_test)
+    TEACHER_DEFINED_ROLES = ROLES - %w(user_defined_file)
 
     after_initialize :set_default_values
     before_validation :set_ancestor_values, if: :incomplete_descendent?

app/models/concerns/user.rb

@@ -1,7 +1,7 @@
 module User
   extend ActiveSupport::Concern
 
-  ROLES = %w[admin teacher]
+  ROLES = %w(admin teacher)
 
   included do
     belongs_to :consumer

app/models/file_type.rb

@@ -1,9 +1,9 @@
 class FileType < ActiveRecord::Base
   include Creation
 
-  AUDIO_FILE_EXTENSIONS = %w[.aac .flac .m4a .mp3 .ogg .wav .wma]
-  IMAGE_FILE_EXTENSIONS = %w[.bmp .gif .jpeg .jpg .png]
-  VIDEO_FILE_EXTENSIONS = %w[.avi .flv .mkv .mp4 .m4v .ogv .webm]
+  AUDIO_FILE_EXTENSIONS = %w(.aac .flac .m4a .mp3 .ogg .wav .wma)
+  IMAGE_FILE_EXTENSIONS = %w(.bmp .gif .jpeg .jpg .png)
+  VIDEO_FILE_EXTENSIONS = %w(.avi .flv .mkv .mp4 .m4v .ogv .webm)
 
   after_initialize :set_default_values
 

app/models/submission.rb

@@ -2,7 +2,7 @@ class Submission < ActiveRecord::Base
   include Context
   include Creation
 
-  CAUSES = %w[assess download file render run save submit test]
+  CAUSES = %w(assess download file render run save submit test)
   FILENAME_URL_PLACEHOLDER = '{filename}'
 
   belongs_to :exercise

config/deploy.rb

@@ -5,8 +5,8 @@ set :application, 'code_ocean'
 set :config_example_suffix, '.example'
 set :deploy_to, '/var/www/app'
 set :keep_releases, 3
-set :linked_dirs, %w[bin log public/uploads tmp/cache tmp/files tmp/pids tmp/sockets]
-set :linked_files, %w[config/action_mailer.yml config/database.yml config/secrets.yml config/sendmail.yml config/smtp.yml]
+set :linked_dirs, %w(bin log public/uploads tmp/cache tmp/files tmp/pids tmp/sockets)
+set :linked_files, %w(config/action_mailer.yml config/database.yml config/secrets.yml config/sendmail.yml config/smtp.yml)
 set :log_level, :info
 set :puma_threads, [0, 16]
 set :repo_url, 'git@github.com:openHPI/codeocean.git'

db/seeds/development.rb

@@ -3,7 +3,7 @@ FactoryGirl.create(:consumer)
 FactoryGirl.create(:consumer, name: 'openSAP')
 
 # users
-%w[admin external_user teacher].each { |factory_name| FactoryGirl.create(factory_name) }
+%w(admin external_user teacher).each { |factory_name| FactoryGirl.create(factory_name) }
 
 # execution environments
 ExecutionEnvironment.create_factories

spec/factories/file_type.rb

@@ -181,7 +181,7 @@ FactoryGirl.define do
     singleton_file_type
   end
 
-  %w[binary executable renderable].each do |attribute|
+  %w(binary executable renderable).each do |attribute|
     trait(attribute) do
       self.send(attribute, true)
     end

spec/factories/shared_traits.rb

@@ -1,5 +1,5 @@
 FactoryGirl.define do
-  %w[admin external_user teacher].each do |factory_name|
+  %w(admin external_user teacher).each do |factory_name|
     trait :"created_by_#{factory_name}" do
       association :user, factory: factory_name
     end

spec/models/submission_spec.rb

@@ -18,7 +18,7 @@ describe Submission do
     expect(Submission.create.errors[:user_type]).to be_present
   end
 
-  %w[download render run test].each do |action|
+  %w(download render run test).each do |action|
     describe "##{action}_url" do
       let(:url) { @submission.send(:"#{action}_url") }