rubocop -a

app/controllers/application_controller.rb

@@ -9,7 +9,7 @@ class ApplicationController < ActionController::Base
 
   # calculate how long a user needed for a form input, ussually we just
   def input_to_fast?
-    fail 'session[:form_timestamp] not set' unless session[:form_timestamp]
+    raise 'session[:form_timestamp] not set' unless session[:form_timestamp]
     duration = Time.now - session[:form_timestamp].to_time
     duration < INPUT_TIMEOUT
   end

app/controllers/cities_autocomplete_controller.rb

@@ -4,7 +4,7 @@ class CitiesAutocompleteController < ApplicationController
   def index
     @cities = CSV.read Rails.root.join('db', 'plz_ch.csv')
     query = ActionController::Base.helpers.sanitize(params[:query])
-    @cities = @cities.select { |city| city.first =~ /#{query}/i || city.last =~ /#{query}/i  }
+    @cities = @cities.select { |city| city.first =~ /#{query}/i || city.last =~ /#{query}/i }
     @cities = @cities.map { |city| { plz: city.first, city: city.last } }
 
     render json: @cities.uniq

lib/mail_chimp_batch_update.rb

@@ -8,8 +8,8 @@ class MailChimpBatchUpdate
     subscribers = []
 
     Supporter.each_with_index do |supporter, index|
-      subscribers.push(subscriber supporter)
+      subscribers.push(subscriber(supporter))
-      if index.modulo(20) == 0
+      if index.modulo(20).zero?
         batch_subscribe(subscribers)
         subscribers = []
       end
@@ -32,7 +32,8 @@ class MailChimpBatchUpdate
         'MEMBERSHIP' => supporter.li_membership.to_s,
         'AGE' => supporter.age_category,
         'LANG' => supporter.language,
-        'ZIP' => supporter.zip } }
+        'ZIP' => supporter.zip
+      } }
   end
 
   def update_unsubscibed

spec/helpers/application_helper_spec.rb

@@ -4,7 +4,7 @@ describe ApplicationHelper do
   describe '.title' do
     it 'sets content for :title' do
       helper.title 'test'
-      expect(view.content_for :title).to eq 'test'
+      expect(view.content_for(:title)).to eq 'test'
     end
   end
 end

spec/models/supporter_spec.rb

@@ -14,11 +14,11 @@ describe Supporter do
 
   describe '.counter' do
     it 'counts only from a certain number on' do
-      allow(Supporter).to receive(:count)  { 12 }
+      allow(Supporter).to receive(:count) { 12 }
 
       expect(Supporter.counter).to eq Supporter::COUNTER_START
 
-      allow(Supporter).to receive(:count)  { Supporter::COUNTER_START + 12 }
+      allow(Supporter).to receive(:count) { Supporter::COUNTER_START + 12 }
 
       expect(Supporter.counter).to eq Supporter::COUNTER_START + 12
     end