Always clear cache before every tests.

test/mailers/user_mailer_test.rb

@@ -2,8 +2,6 @@ require "test_helper"
 
 class UserMailerTest < ActionMailer::TestCase
   def setup
-    Rails.cache.clear
-
     ActionMailer::Base.delivery_method = :test
     ActionMailer::Base.perform_deliveries = true
     ActionMailer::Base.deliveries = []

test/models/artist_test.rb

@@ -3,10 +3,6 @@ require "test_helper"
 class ArtistTest < ActiveSupport::TestCase
   fixtures :users
 
-  def setup
-    Rails.cache.clear
-  end
-
   def create_artist(params)
     Artist.create({ :updater_id => 1, :updater_ip_addr => "127.0.0.1" }.merge(params))
   end

test/models/artist_url_test.rb

@@ -3,10 +3,6 @@ require "test_helper"
 class ArtistUrlTest < ActiveSupport::TestCase
   fixtures :users, :artists
 
-  def setup
-    Rails.cache.clear
-  end
-
   def test_normalize
     artist = Artist.create(:name => "yukie")
     url = ArtistUrl.create(:artist_id => artist.id, :url => nil)

test/models/ban_test.rb

@@ -4,8 +4,6 @@ class BanTest < ActiveSupport::TestCase
   fixtures :users
 
   def setup
-    Rails.cache.clear
-
     ActionMailer::Base.delivery_method = :test
     ActionMailer::Base.perform_deliveries = true
     ActionMailer::Base.deliveries = []

test/models/comment_test.rb

@@ -3,10 +3,6 @@ require "test_helper"
 class CommentTest < ActiveSupport::TestCase
   fixtures :users, :posts
 
-  def setup
-    Rails.cache.clear
-  end
-
   def test_simple
     comment = Comment.create(:post_id => 1, :user_id => 1, :body => "hello world", :ip_addr => "127.0.0.1")
     assert_equal("admin", comment.author)

test/models/dmail_test.rb

@@ -5,8 +5,6 @@ class DmailTest < ActiveSupport::TestCase
   fixtures :users
 
   def setup
-    Rails.cache.clear
-
     ActionMailer::Base.delivery_method = :test
     ActionMailer::Base.perform_deliveries = true
     ActionMailer::Base.deliveries = []

test/models/forum_post_test.rb

@@ -3,10 +3,6 @@ require "test_helper"
 class ForumPostTest < ActiveSupport::TestCase
   fixtures :users
 
-  def setup
-    Rails.cache.clear
-  end
-
   def create_post(msg, parent_id = nil, params = {})
     ForumPost.create({ :creator_id => 1, :body => msg, :title => msg, :is_sticky => false, :is_locked => false, :parent_id => parent_id }.merge(params))
   end

test/models/note_test.rb

@@ -4,7 +4,6 @@ class NoteTest < ActiveSupport::TestCase
   fixtures :users, :posts
 
   def setup
-    Rails.cache.clear
     Thread.current[:versioning_history] = nil
   end
 

test/models/pool_test.rb

@@ -3,10 +3,6 @@ require "test_helper"
 class PoolTest < ActiveSupport::TestCase
   fixtures :users, :posts
 
-  def setup
-    Rails.cache.clear
-  end
-
   def create_pool(params = {})
     Pool.create({ :user_id => 1, :name => "my pool", :post_count => 0, :is_public => false, :description => "pools" }.merge(params))
   end

test/models/post_tag_history_test.rb

@@ -4,8 +4,6 @@ class PostTagHistoryTest < ActiveSupport::TestCase
   fixtures :users
 
   def setup
-    Rails.cache.clear
-
     @test_number = 1
   end
 

test/models/post_test.rb

@@ -4,8 +4,6 @@ class PostTest < ActiveSupport::TestCase
   # fixtures :users, :posts, :table_data
 
   def setup
-    Rails.cache.clear
-
     # TODO: revert these after testing in teardown
     CONFIG["image_samples"] = true
     CONFIG["sample_width"] = 100

test/models/tag_alias_test.rb

@@ -2,8 +2,6 @@ require "test_helper"
 
 class TagAliasTest < ActiveSupport::TestCase
   def setup
-    Rails.cache.clear
-
     @alias = TagAlias.create(:name => "tag2", :alias => "tag1", :is_pending => false, :reason => "none", :creator_id => 1)
     @test_number = 1
   end

test/models/tag_test.rb

@@ -2,8 +2,6 @@ require "test_helper"
 
 class TagTest < ActiveSupport::TestCase
   def setup
-    Rails.cache.clear
-
     @test_number = 1
   end
 

test/models/user_record_test.rb

@@ -1,10 +1,6 @@
 require "test_helper"
 
 class UserRecordTest < ActiveSupport::TestCase
-  def setup
-    Rails.cache.clear
-  end
-
   def create_user(name, params = {})
     user = User.new({ :password => "zugzug1", :password_confirmation => "zugzug1", :email => "#{name}@danbooru.com" }.merge(params))
     user.name = name

test/models/user_test.rb

@@ -4,8 +4,6 @@ class UserTest < ActiveSupport::TestCase
   fixtures :users
 
   def setup
-    Rails.cache.clear
-
     @post_number = 1
   end
 

test/models/wiki_page_test.rb

@@ -1,10 +1,6 @@
 require "test_helper"
 
 class WikiPageTest < ActiveSupport::TestCase
-  def setup
-    Rails.cache.clear
-  end
-
   def create_wiki(params = {})
     WikiPage.create({ :title => "hoge", :user_id => 1, :body => "hoge", :ip_addr => "127.0.0.1", :is_locked => false }.merge(params))
   end

test/test_helper.rb

@@ -16,10 +16,15 @@ class ActiveSupport::TestCase
     t
   end
 
+  setup :clear_cache
   setup :reset_thread_variables
 
   private
 
+  def clear_cache
+    Rails.cache.clear
+  end
+
   def reset_thread_variables
     %w(danbooru-user danbooru-user_id).each do |x|
       Thread.current[x] = nil