Installs database cleaner

- preparation for feature tests with capybara
see:
http://devblog.avdi.org/2012/08/31/configuring-database_cleaner-with-rails-rspec-capybara-and-selenium/

Gemfile

@@ -76,6 +76,7 @@ group :development, :test do
   gem 'rspec', '>= 3.0.0.beta'
   gem 'rspec-rails', '>= 3.0.0.beta'
   gem 'capybara'
+  gem 'database_cleaner'
 end
 
 # FIXME: We should use http://weblog.rubyonrails.org/2012/3/21/strong-parameters/ 

Gemfile.lock

@@ -81,6 +81,7 @@ GEM
       thor
     d3_rails (3.4.6)
       railties (>= 3.1.0)
+    database_cleaner (1.2.0)
     devise (3.2.4)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -305,6 +306,7 @@ DEPENDENCIES
   cocoon
   coveralls
   d3_rails
+  database_cleaner
   devise
   factory_girl_rails
   formtastic (~> 2.3.0.rc3)

app/models/user.rb

@@ -14,7 +14,7 @@ class User < ActiveRecord::Base
   accepts_nested_attributes_for :person
   accepts_nested_attributes_for :roles
 
-  before_save :setup_role
+  before_create :setup_role
   before_create :create_person
 
   def role?(role)
@@ -27,12 +27,14 @@ class User < ActiveRecord::Base
   end
 
   def setup_role
-    if self.id == 1
-      self.role_ids = [3]
+    if User.count == 0
+      admin = Role.where(name: 'Admin').first
+      self.role_ids = [admin.id] unless admin.nil?
     end
-    
+
     if self.role_ids.empty?
-      self.role_ids = [1]
+      participant = Role.where(name: 'Participant').first
+      self.role_ids = [participant.id] unless participant.nil?
     end
   end
 

spec/spec_helper.rb

@@ -6,7 +6,6 @@ require File.expand_path('../../config/environment', __FILE__)
 
 if Rails.configuration.database_configuration['test']['database'] == ':memory:'
   load "#{Rails.root}/db/schema.rb"
-  load "#{Rails.root}/db/seeds.rb"
 end
 
 require 'rspec/rails'
@@ -35,7 +34,7 @@ RSpec.configure do |config|
   # If you're not using ActiveRecord, or you'd prefer not to run each of your
   # examples within a transaction, remove the following line or assign false
   # instead of true.
-  config.use_transactional_fixtures = true
+  config.use_transactional_fixtures = false
 
   # Run specs in random order to surface order dependencies. If you find an
   # order dependency and want to debug it, you can fix the order by providing

spec/support/database_cleaner.rb

@@ -0,0 +1,22 @@
+RSpec.configure do |config|
+
+  config.before(:suite) do
+    DatabaseCleaner.clean_with(:truncation)
+  end
+
+  config.before(:each) do
+    DatabaseCleaner.strategy = :transaction
+  end
+
+  config.before(:each, :js => true) do
+    DatabaseCleaner.strategy = :truncation
+  end
+
+  config.before(:each) do
+    DatabaseCleaner.start
+  end
+
+  config.after(:each) do
+    DatabaseCleaner.clean
+  end
+end