More exact checks in specs with Comment scopes

The Comment scope in the specs now returns an object wrapping what was
originally passed in. This makes more sense than passing the object all
the way through, and lets the spec check that the correct method was run.

spec/pundit_spec.rb

@@ -52,15 +52,15 @@ describe Pundit do
     end
 
     it "returns an instantiated policy scope given an active model class" do
-      expect(Pundit.policy_scope(user, Comment)).to eq Comment
+      expect(Pundit.policy_scope(user, Comment)).to eq CommentScope.new(Comment)
     end
 
     it "returns an instantiated policy scope given an active record relation" do
-      expect(Pundit.policy_scope(user, comments_relation)).to eq comments_relation
+      expect(Pundit.policy_scope(user, comments_relation)).to eq CommentScope.new(comments_relation)
     end
 
     it "returns an instantiated policy scope given an empty active record relation" do
-      expect(Pundit.policy_scope(user, empty_comments_relation)).to eq empty_comments_relation
+      expect(Pundit.policy_scope(user, empty_comments_relation)).to eq CommentScope.new(empty_comments_relation)
     end
 
     it "returns nil if the given policy scope can't be found" do
@@ -84,7 +84,7 @@ describe Pundit do
     end
 
     it "returns an instantiated policy scope given an active model class" do
-      expect(Pundit.policy_scope!(user, Comment)).to eq Comment
+      expect(Pundit.policy_scope!(user, Comment)).to eq CommentScope.new(Comment)
     end
 
     it "throws an exception if the given policy scope can't be found" do

spec/spec_helper.rb

@@ -87,10 +87,21 @@ module Customer
   end
 end
 
+class CommentScope
+  attr_reader :original_object
+  def initialize(original_object)
+    @original_object = original_object
+  end
+
+  def ==(other)
+    original_object == other.original_object
+  end
+end
+
 class CommentPolicy < Struct.new(:user, :comment)
   class Scope < Struct.new(:user, :scope)
     def resolve
-      scope
+      CommentScope.new(scope)
     end
   end
 end