 
     it 'requires collection models to have an href method', ->
       class NoHrefModel extends Backbone.Model
-        displayName : -> @get 'name'
-        href : null
+        displayName: -> @get 'name'
+        href: null
       m = new NoHrefModel({ sortable_id: "zz", name: "Z Z" })
       collection = new AToZCollection([], { model: NoHrefModel })
       collection.add m


class AToZCollectionModel extends Backbone.Model
  alphaSortKey: -> @get 'sortable_id'
  displayName : -> @get 'name'
  href : -> "/#{@get('sortable_id')}"

class AToZCollection extends Backbone.Collection
  _.extend @prototype, aToZ


    it 'requires collection models to have a displayName method', ->
      class NoDisplayNameModel extends Backbone.Model
        displayName: null
        href: -> "/#{@get('sortable_id')}"
      m = new NoDisplayNameModel({ sortable_id: "zz", name: "Z Z" })
      collection = new AToZCollection([], { model: NoDisplayNameModel })
      collection.add m
