Re-do Getting Started application with Rails 4.

The sample application with the Getting Started Guide was very out of
date. I've re-done it on edge (as of 51b9def5bf108fb566e) so it should
be good to go with Rails 4. It's also in synch with what the guide
actually says.

19 files changed, 12 insertions, 58 deletions

diff --git a/guides/code/getting_started/test/fixtures/.gitkeep b/guides/code/getting_started/test/controllers/.keep
index e69de29bb2..e69de29bb2 100644
--- a/guides/code/getting_started/test/fixtures/.gitkeep
+++ b/guides/code/getting_started/test/controllers/.keep
diff --git a/guides/code/getting_started/test/functional/comments_controller_test.rb b/guides/code/getting_started/test/controllers/comments_controller_test.rb
index 2ec71b4ec5..2ec71b4ec5 100644
--- a/guides/code/getting_started/test/functional/comments_controller_test.rb
+++ b/guides/code/getting_started/test/controllers/comments_controller_test.rb
diff --git a/guides/code/getting_started/test/unit/tag_test.rb b/guides/code/getting_started/test/controllers/posts_controller_test.rb
index b8498a117c..7a6ee4f1db 100644
--- a/guides/code/getting_started/test/unit/tag_test.rb
+++ b/guides/code/getting_started/test/controllers/posts_controller_test.rb
@@ -1,6 +1,6 @@
 require 'test_helper'
 
-class TagTest < ActiveSupport::TestCase
+class PostsControllerTest < ActionController::TestCase
   # test "the truth" do
   #   assert true
   # end
diff --git a/guides/code/getting_started/test/functional/welcome_controller_test.rb b/guides/code/getting_started/test/controllers/welcome_controller_test.rb
index e4d5abae11..dff8e9d2c5 100644
--- a/guides/code/getting_started/test/functional/welcome_controller_test.rb
+++ b/guides/code/getting_started/test/controllers/welcome_controller_test.rb
@@ -5,4 +5,5 @@ class WelcomeControllerTest < ActionController::TestCase
     get :index
     assert_response :success
   end
+
 end
diff --git a/guides/code/getting_started/test/functional/.gitkeep b/guides/code/getting_started/test/fixtures/.keep
index e69de29bb2..e69de29bb2 100644
--- a/guides/code/getting_started/test/functional/.gitkeep
+++ b/guides/code/getting_started/test/fixtures/.keep
diff --git a/guides/code/getting_started/test/fixtures/comments.yml b/guides/code/getting_started/test/fixtures/comments.yml
index d33da386bf..0cd36069e4 100644
--- a/guides/code/getting_started/test/fixtures/comments.yml
+++ b/guides/code/getting_started/test/fixtures/comments.yml
@@ -1,11 +1,11 @@
-# Read about fixtures at http://api.rubyonrails.org/classes/Fixtures.html
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/Fixtures.html
 
 one:
   commenter: MyString
   body: MyText
-  post: 
+  post_id: 
 
 two:
   commenter: MyString
   body: MyText
-  post: 
+  post_id: 
diff --git a/guides/code/getting_started/test/fixtures/posts.yml b/guides/code/getting_started/test/fixtures/posts.yml
index e1edfd385e..617a24b858 100644
--- a/guides/code/getting_started/test/fixtures/posts.yml
+++ b/guides/code/getting_started/test/fixtures/posts.yml
@@ -1,4 +1,4 @@
-# Read about fixtures at http://api.rubyonrails.org/classes/Fixtures.html
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/Fixtures.html
 
 one:
   title: MyString
diff --git a/guides/code/getting_started/test/functional/posts_controller_test.rb b/guides/code/getting_started/test/functional/posts_controller_test.rb
deleted file mode 100644
index b8f7b07820..0000000000
--- a/guides/code/getting_started/test/functional/posts_controller_test.rb
+++ /dev/null
@@ -1,49 +0,0 @@
-require 'test_helper'
-
-class PostsControllerTest < ActionController::TestCase
-  setup do
-    @post = posts(:one)
-  end
-
-  test "should get index" do
-    get :index
-    assert_response :success
-    assert_not_nil assigns(:posts)
-  end
-
-  test "should get new" do
-    get :new
-    assert_response :success
-  end
-
-  test "should create post" do
-    assert_difference('Post.count') do
-      post :create, post: @post.attributes
-    end
-
-    assert_redirected_to post_path(assigns(:post))
-  end
-
-  test "should show post" do
-    get :show, id: @post.to_param
-    assert_response :success
-  end
-
-  test "should get edit" do
-    get :edit, id: @post.to_param
-    assert_response :success
-  end
-
-  test "should update post" do
-    put :update, id: @post.to_param, post: @post.attributes
-    assert_redirected_to post_path(assigns(:post))
-  end
-
-  test "should destroy post" do
-    assert_difference('Post.count', -1) do
-      delete :destroy, id: @post.to_param
-    end
-
-    assert_redirected_to posts_path
-  end
-end
diff --git a/guides/code/getting_started/test/integration/.gitkeep b/guides/code/getting_started/test/helpers/.keep
index e69de29bb2..e69de29bb2 100644
--- a/guides/code/getting_started/test/integration/.gitkeep
+++ b/guides/code/getting_started/test/helpers/.keep
diff --git a/guides/code/getting_started/test/unit/helpers/comments_helper_test.rb b/guides/code/getting_started/test/helpers/comments_helper_test.rb
index 2518c16bd5..2518c16bd5 100644
--- a/guides/code/getting_started/test/unit/helpers/comments_helper_test.rb
+++ b/guides/code/getting_started/test/helpers/comments_helper_test.rb
diff --git a/guides/code/getting_started/test/unit/helpers/posts_helper_test.rb b/guides/code/getting_started/test/helpers/posts_helper_test.rb
index 48549c2ea1..48549c2ea1 100644
--- a/guides/code/getting_started/test/unit/helpers/posts_helper_test.rb
+++ b/guides/code/getting_started/test/helpers/posts_helper_test.rb
diff --git a/guides/code/getting_started/test/helpers/welcome_helper_test.rb b/guides/code/getting_started/test/helpers/welcome_helper_test.rb
new file mode 100644
index 0000000000..d6ded5995f
--- /dev/null
+++ b/guides/code/getting_started/test/helpers/welcome_helper_test.rb
@@ -0,0 +1,4 @@
+require 'test_helper'
+
+class WelcomeHelperTest < ActionView::TestCase
+end
diff --git a/guides/code/getting_started/test/unit/.gitkeep b/guides/code/getting_started/test/integration/.keep
index e69de29bb2..e69de29bb2 100644
--- a/guides/code/getting_started/test/unit/.gitkeep
+++ b/guides/code/getting_started/test/integration/.keep
diff --git a/guides/code/getting_started/test/mailers/.keep b/guides/code/getting_started/test/mailers/.keep
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/guides/code/getting_started/test/mailers/.keep
diff --git a/guides/code/getting_started/test/models/.keep b/guides/code/getting_started/test/models/.keep
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/guides/code/getting_started/test/models/.keep
diff --git a/guides/code/getting_started/test/unit/comment_test.rb b/guides/code/getting_started/test/models/comment_test.rb
index b6d6131a96..b6d6131a96 100644
--- a/guides/code/getting_started/test/unit/comment_test.rb
+++ b/guides/code/getting_started/test/models/comment_test.rb
diff --git a/guides/code/getting_started/test/unit/post_test.rb b/guides/code/getting_started/test/models/post_test.rb
index 6d9d463a71..6d9d463a71 100644
--- a/guides/code/getting_started/test/unit/post_test.rb
+++ b/guides/code/getting_started/test/models/post_test.rb
diff --git a/guides/code/getting_started/test/test_helper.rb b/guides/code/getting_started/test/test_helper.rb
index 3daca18a71..f91a4375dc 100644
--- a/guides/code/getting_started/test/test_helper.rb
+++ b/guides/code/getting_started/test/test_helper.rb
@@ -3,6 +3,8 @@ require File.expand_path('../../config/environment', __FILE__)
 require 'rails/test_help'
 
 class ActiveSupport::TestCase
+  ActiveRecord::Migration.check_pending!
+
   # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
   #
   # Note: You'll currently still have to declare fixtures explicitly in integration tests
diff --git a/guides/code/getting_started/test/unit/helpers/home_helper_test.rb b/guides/code/getting_started/test/unit/helpers/home_helper_test.rb
deleted file mode 100644
index 4740a18dac..0000000000
--- a/guides/code/getting_started/test/unit/helpers/home_helper_test.rb
+++ /dev/null
@@ -1,4 +0,0 @@
-require 'test_helper'
-
-class HomeHelperTest < ActionView::TestCase
-end