adding first page controller and first revision of the Page model. also adding unit tests for the model.

git-svn-id: http://svn.barleysodas.com/barleysodas/trunk@6 0f7b21a7-9e3a-4941-bbeb-ce5c7c368fa7

app/controllers/pages_controller.rb

@@ -0,0 +1,2 @@
+class PagesController < ApplicationController
+end

app/helpers/pages_helper.rb

@@ -0,0 +1,2 @@
+module PagesHelper
+end

app/models/page.rb

@@ -0,0 +1,37 @@
+##
+# This is a representation of a page of the wiki. My wiki is awfully simple
+# because i don't like too many features. This works and it has many different
+# associations. All of the major models has_one of these and it belongs_to
+# some kind of polymorphic owner.
+#
+# Bonuses:
+# * Uses RedCloth markup.
+# * Automatically converts/caches HTML
+# * Allows any character or space in the name
+# * Uses [[ and ]] for WikiWord representation.
+#
+class Page < ActiveRecord::Base
+  acts_as_versioned
+  
+  belongs_to :owner, :polymorphic => true
+  validates_presence_of :title
+  validates_uniqueness_of :title
+  validates_format_of :title, :with => /[A-Za-z0-9 ]/,
+    :message => 'may only contain letters, numbers and spaces'
+  before_save :update_html
+  
+  protected
+  
+  ##
+  # Updates the HTML chunk from the RedCloth source.
+  #
+  def update_html
+    # need to filter HTML first... remove <script> and chunks and the like...
+    res = RedCloth.new(self.redcloth.to_s, [ :no_span_caps ])
+    self.html = res.to_html(
+      # no link references. messes up lines starting with [[WikiWord]]
+      :block_textile_table, :block_textile_lists, :block_textile_prefix,
+      :inline_textile_image, :inline_textile_link, :inline_textile_code,
+      :inline_textile_span, :glyphs_textile)
+  end
+end

config/routes.rb

@@ -1,4 +1,6 @@
 ActionController::Routing::Routes.draw do |map|
+  map.resources :pages
+
   # The priority is based upon order of creation: first created -> highest priority.
   
   # Sample of regular route:

db/migrate/002_create_pages.rb

@@ -0,0 +1,19 @@
+class CreatePages < ActiveRecord::Migration
+  def self.up
+    create_table :pages do |t|
+      t.column :title, :string
+      t.column :redcloth, :text
+      t.column :html, :text
+      t.column :owner_id, :integer
+      t.column :owner_type, :string, :limit => 32
+      t.column :version, :integer
+    end
+    add_index :pages, :owner_id
+    Page.create_versioned_table
+  end
+
+  def self.down
+    drop_table :pages
+    Page.drop_versioned_table
+  end
+end

test/fixtures/pages.yml

@@ -0,0 +1,7 @@
+# Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
+one:
+  id: 1
+  title: my title page for testing
+two:
+  id: 2
+  title: my other title page

test/functional/pages_controller_test.rb

@@ -0,0 +1,20 @@
+require File.dirname(__FILE__) + '/../test_helper'
+require 'pages_controller'
+
+# Re-raise errors caught by the controller.
+class PagesController; def rescue_action(e) raise e end; end
+
+class PagesControllerTest < Test::Unit::TestCase
+  fixtures :pages
+
+  def setup
+    @controller = PagesController.new
+    @request    = ActionController::TestRequest.new
+    @response   = ActionController::TestResponse.new
+  end
+
+  # Replace this with your real tests.
+  def test_truth
+    assert true
+  end
+end

test/test_helper.rb

@@ -25,4 +25,16 @@ class Test::Unit::TestCase
   self.use_instantiated_fixtures  = false
 
   # Add more helper methods to be used by all tests here...
+  def assert_create(class_name, params = {})
+    obj = Class.class_eval(class_name).new(params)
+    assert obj.save
+  end
+
+  def assert_destroy(class_name, find = :first)
+    c = Class.class_eval(class_name)
+    obj = c.find(find)
+    obj_count = c.count
+    obj.destroy
+    assert c.count == obj_count - 1
+  end
 end

test/unit/page_test.rb

@@ -0,0 +1,13 @@
+require File.dirname(__FILE__) + '/../test_helper'
+
+class PageTest < Test::Unit::TestCase
+  fixtures :pages
+  
+  def test_create
+    assert_create('Page', :title => 'my test page')
+  end
+  
+  def test_destroy
+    assert_destroy('Page')
+  end
+end