Move comment specs as comment decorator specs

app/decorators/comment_decorator.rb

@@ -2,7 +2,7 @@ class CommentDecorator < ApplicationDecorator
   decorates :comment
 
   def created
-    h.time_ago_in_words(created_at) + " ago"
+    created_at && (h.time_ago_in_words(created_at) + " ago")
   end
 
   def as_json(opts = nil)

spec/decorators/comment_decorator_spec.rb

@@ -2,4 +2,44 @@ require 'spec_helper'
 
 describe CommentDecorator do
   before { ApplicationController.new.set_current_view_context }
+
+  let(:decorated_comment) { CommentDecorator.new(comment) }
+
+  describe "#as_json" do
+    let(:comment) { FactoryGirl.build(:comment) }
+
+    it "includes user comment creator properties user" do
+      hash = decorated_comment.as_json
+      hash.should include(:user)
+      hash[:user].should include("nickname")
+      hash[:user].should include("avatar_url")
+      hash[:user].should include("id")
+    end
+
+    it "should include comment.created" do
+      decorated_comment.as_json.should include 'created'
+    end
+  end
+
+  describe "#created" do
+    let(:comment) { stub_model(Comment) }
+
+    context "when created_at present" do
+      before { comment.created_at = Time.now }
+
+      it "returns string" do
+        decorated_comment.created.should be_kind_of(String)
+      end
+    end
+
+    context "no created_at" do
+      before { comment.created_at = nil }
+
+      it "returns string" do
+        decorated_comment.created.should be_nil
+      end
+    end
+
+  end
+
 end

spec/models/comment_spec.rb

@@ -6,43 +6,4 @@ describe Comment do
     FactoryGirl.build(:comment).should be_valid
   end
 
-  describe "#as_json" do
-    let(:user) { Factory(:user) }
-    let(:comment) { FactoryGirl.build(:comment) }
-
-    before do
-      comment.user = user
-    end
-
-    it "includes user comment creator properties user" do
-      hash = comment.as_json
-      hash.should include(:user)
-      hash[:user].should include("nickname")
-      hash[:user].should include("avatar_url")
-      hash[:user].should include("id")
-    end
-
-    it "should include comment.created" do
-      comment.as_json.should include :created
-    end
-  end
-
-  describe "#created" do
-    let(:time) { Time.new(2012, 01, 03) }
-    let(:expected) { time.strftime("%Y-%m-%dT%H:%M:%S") }
-    let(:comment) { FactoryGirl.build(:comment) }
-
-    context "when created_at present" do
-      before { comment.stub(:created_at).and_return(time) }
-
-      it "returns js parsable format" do
-        comment.created.should == expected
-      end
-    end
-
-    context "no created_at" do
-      it { comment.created_at.should be_nil }
-    end
-
-  end
 end