added model Comment.

comments can now be added on news.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@81 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/comments.yml

@@ -0,0 +1,10 @@
+# Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
+comments_001: 
+  commented_type: News
+  commented_id: 1
+  id: 1
+  author_id: 1
+  comment: my first comment
+  created_on: 2006-12-10 18:10:10 +01:00
+  updated_on: 2006-12-10 18:10:10 +01:00
+  

test/fixtures/news.yml

@@ -10,6 +10,7 @@ news_001:
     Visit http://ecookbook.somenet.foo/
   summary: First version was released...
   author_id: 2
+  comments_count: 1
 news_002: 
   created_on: 2006-07-19 22:42:58 +02:00
   project_id: 1
@@ -18,3 +19,4 @@ news_002:
   description: eCookbook 1.0 have downloaded 100,000 times
   summary: eCookbook 1.0 have downloaded 100,000 times
   author_id: 2
+  comments_count: 0

test/unit/comment_test.rb

@@ -0,0 +1,30 @@
+require File.dirname(__FILE__) + '/../test_helper'
+
+class CommentTest < Test::Unit::TestCase
+  fixtures :users, :news, :comments
+
+  def setup
+    @jsmith = User.find(2)
+    @news = News.find(1)
+  end
+  
+  def test_create
+    comment = Comment.new(:commented => @news, :author => @jsmith, :comment => "my comment")
+    assert comment.save
+    @news.reload
+    assert_equal 2, @news.comments_count
+  end
+
+  def test_validate
+    comment = Comment.new(:commented => @news)
+    assert !comment.save
+    assert_equal 2, comment.errors.length
+  end
+  
+  def test_destroy
+    comment = Comment.find(1)
+    assert comment.destroy
+    @news.reload
+    assert_equal 0, @news.comments_count
+  end
+end