Add test for questions count on methods page

app/models/node.rb

@@ -774,7 +774,7 @@ def body_preview(length = 100)
   def questions
     # override with a tag like `questions:h2s`
     if self.has_power_tag('questions')
-      tagname = node.power_tag('questions')
+      tagname = self.power_tag('questions')
     else
       tagname = self.slug_from_path
     end

app/views/notes/_notes.html.erb

@@ -41,7 +41,7 @@
               <p><small>
                 <a <% if @widget %>target="_blank"<% end %> href="<%= node.path %>#Activities"><i class="fa fa-flask" style="color:#3da56a;"></i> <%= node.activities.count %> activities</a> &nbsp;
                 <!-- <p><i class="fa fa-users" style="color:blue"></i> contributors</p> -->
-                <a <% if @widget %>target="_blank"<% end %> href="<%= node.path %>#Questions"><i class="fa fa-question-circle" style="color:#db3a1e;"></i> <%= node.questions.count %> questions</a>
+                <a <% if @widget %>target="_blank"<% end %> href="<%= node.path %>#Questions"><i class="fa fa-question-circle" style="color:#db3a1e;"></i> <span id="questions-count-<%= node.id %>"><%= node.questions.count %> questions</span></a>
               </small></p>
             <% else %>
               <p><%= raw strip_tags(sanitize(RDiscount.new(node.body_preview).to_html)) if node.body %></p>

test/functional/wiki_controller_test.rb

@@ -558,6 +558,16 @@ def teardown
     assert_not_nil :topics
   end
 
+  test 'should get methods page and show questions count' do
+    nodes(:method).add_tag('questions:spectrometer', users(:bob))
+    nodes(:method).add_tag('method', users(:bob))
+    get :methods
+
+    assert_response :success
+    assert_not_nil :nodes
+    assert_select "#questions-count-#{nodes(:method).id}", "#{nodes(:method).questions.count} questions"
+  end
+
   test 'should get methods page for given topic' do
     get :methods, topic: 'mining'