Converted to factory_girl use, a little refactored

spec/factories/blog_categories.rb

@@ -0,0 +1,4 @@
+Factory.define(:blog_category) do |f|
+  f.title "Shopping"
+  f.posts {|p| [p.association :post]}
+end

spec/factories/blog_comments.rb

@@ -0,0 +1,10 @@
+Factory.sequence :email do |n|
+  "person#{n}@example.com"
+end
+
+Factory.define(:blog_comment) do |f|
+  f.name "Joe Commenter"
+  f.email { Factory.next(:email) }
+  f.body "Which one is the best for picking up new shoes?"
+  f.association :post
+end

spec/factories/blog_posts.rb

@@ -0,0 +1,4 @@
+Factory.define(:post, :class => BlogPost) do |f|
+  f.title "Top Ten Shopping Centers in Chicago"
+  f.body "These are the top ten shopping centers in Chicago. You're going to read a long blog post about them. Come to peace with it."
+end

spec/models/blog_categories_spec.rb

@@ -1,8 +1,20 @@
 require 'spec_helper'
 
 describe BlogCategory do
-  it "initializes" do
+  context "wiring up" do
-    blog = BlogCategory.new
+    
-    blog.should_not be_nil
+    before(:each) do
+      @category = Factory(:blog_category)
+    end
+  
+    it "saves" do
+      @category.should_not be_nil
+    end
+  
+    it "has a blog post" do
+      BlogPost.last.categories.should include(@category)
+    end
+    
   end
+  
 end

spec/models/blog_comments_spec.rb

@@ -1,8 +1,20 @@
 require 'spec_helper'
 
 describe BlogComment do
-  it "initializes" do
+  
-    blog = BlogComment.new
+  context "wiring up" do
-    blog.should_not be_nil
+    
+    before(:each) do
+      @comment = Factory(:blog_comment)
+    end
+  
+    it "saves" do
+      @comment.should_not be_nil
+    end
+  
+    it "has a blog post" do
+      @comment.post.should_not be_nil
+    end
+    
   end
 end

spec/models/blog_posts_spec.rb

@@ -1,8 +1,15 @@
 require 'spec_helper'
 
 describe BlogPost do
-  it "initializes" do
+  context "wiring up" do
-    blog = BlogPost.new
+
-    blog.should_not be_nil
+      before(:each) do
-  end
+        @post = Factory(:post)
+      end
+
+      it "saves to the database" do
+        @post.should_not be_nil
+      end
+
+    end
 end