tests for commentshelper shim

spec/helpers/comments_helper_spec.rb

 require 'spec_helper'
 
 describe CommentsHelper do
-  before do
-    @user = alice
-    @aspect = @user.aspects.first
-    @post = @user.post(:status_message, :text => "hi", :to => @aspect.id)
-  end
-  it 'renders a new comment form' do
-    new_comment_form(@post.id, @user).should ==
-      @controller.render_to_string(:partial => 'comments/new_comment',
-        :locals => {:post_id => @post.id, :current_user => @user})
-  end
-  it 'renders it fast the second time' do
-    new_comment_form(@post.id, @user)
-    time = Benchmark.realtime{
+  describe '.new_comment_form' do
+    before do
+      @user = alice
+      @aspect = @user.aspects.first
+      @post = @user.post(:status_message, :text => "hi", :to => @aspect.id)
+    end
+    it 'renders a new comment form' do
+      new_comment_form(@post.id, @user).should ==
+        @controller.render_to_string(:partial => 'comments/new_comment',
+          :locals => {:post_id => @post.id, :current_user => @user})
+    end
+    it 'renders it fast the second time' do
       new_comment_form(@post.id, @user)
-    }
-    (time*1000).should < 1
+      time = Benchmark.realtime{
+        new_comment_form(@post.id, @user)
+      }
+      (time*1000).should < 1
+    end
+  end
+
+  describe 'commenting_disabled?' do
+    it 'returns true if @commenting_disabled is set' do
+      @commenting_disabled = true
+      commenting_disabled?(stub).should_be true
+      @commenting_disabled = false
+      commenting_disabled?(stub).should_be false 
+    end
+
+    it 'returns @stream.can_comment? if @stream is set' do
+      post = stub
+      @stream = stub
+      @stream.should_receive(:can_comment?).with(post).and_return(true)
+      commenting_disabled?(post).should_be true
+
+      @stream.should_receive(:can_comment?).with(post).and_return(false)
+      commenting_disabled?(post).should_be false 
+    end
   end
 end