From 446eea30169bd2debc6b5d1f9d1635e765c43175 Mon Sep 17 00:00:00 2001
From: AntonioTerceiro <AntonioTerceiro@3f533792-8f58-4932-b0fe-aaf55b0a4547>
Date: Wed, 19 Dec 2007 17:18:39 +0000
Subject: [PATCH] ActionItem22: adding comment class

---
 app/models/comment.rb             |  5 +++++
 db/migrate/019_create_comments.rb | 26 ++++++++++++++++++++++++++
 test/unit/comment_test.rb         | 40 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 71 insertions(+), 0 deletions(-)
 create mode 100644 app/models/comment.rb
 create mode 100644 db/migrate/019_create_comments.rb
 create mode 100644 test/unit/comment_test.rb

diff --git a/app/models/comment.rb b/app/models/comment.rb
new file mode 100644
index 0000000..a34b704
--- /dev/null
+++ b/app/models/comment.rb
@@ -0,0 +1,5 @@
+class Comment < ActiveRecord::Base
+  validates_presence_of :title, :body
+  belongs_to :article
+  belongs_to :author, :class_name => 'Person', :foreign_key => 'author_id'
+end
diff --git a/db/migrate/019_create_comments.rb b/db/migrate/019_create_comments.rb
new file mode 100644
index 0000000..b6314ac
--- /dev/null
+++ b/db/migrate/019_create_comments.rb
@@ -0,0 +1,26 @@
+class CreateComments < ActiveRecord::Migration
+  def self.up
+    create_table :comments do |t|
+
+      # acts as filesystem
+      t.column :title, :string
+      t.column :body, :text
+
+      # belongs to an article
+      t.column :article_id, :integer
+
+      # belongs to a person, maybe unauthenticated
+      t.column :author_id, :integer
+      t.column :name, :string
+      t.column :email, :string
+
+      # keep track of changes
+      t.column :created_on,  :datetime 
+    end
+
+  end
+
+  def self.down
+    drop_table :comments
+  end
+end
diff --git a/test/unit/comment_test.rb b/test/unit/comment_test.rb
new file mode 100644
index 0000000..797ebe9
--- /dev/null
+++ b/test/unit/comment_test.rb
@@ -0,0 +1,40 @@
+require File.dirname(__FILE__) + '/../test_helper'
+
+class CommentTest < Test::Unit::TestCase
+
+  should 'have a name and require it' do
+    assert_mandatory(Comment.new, :title)
+  end
+
+  should 'have a body and require it' do
+    assert_mandatory(Comment.new, :body)
+  end
+
+  should 'belong to an article' do
+    c = Comment.new
+    assert_raise ActiveRecord::AssociationTypeMismatch do
+      c.article = 1
+    end
+    assert_nothing_raised do
+      c.article = Article.new
+    end
+  end
+
+  should 'record authenticated author' do
+    c = Comment.new
+    assert_raise ActiveRecord::AssociationTypeMismatch do
+      c.author = 1
+    end
+    assert_raise ActiveRecord::AssociationTypeMismatch do
+      c.author = Profile
+    end
+    assert_nothing_raised do
+      c.author = Person.new
+    end
+  end
+
+  should 'record unauthenticated author' do
+    flunk 'not yet'
+  end
+
+end
--
libgit2 0.21.2