switch to passing in example_groups from the profiler to the notification rather than the profiler itself

Author: JonRowe

lib/rspec/core/notifications.rb

@@ -400,9 +400,16 @@ def duplicate_rerun_locations
     # @attr duration [Float] the time taken (in seconds) to run the suite
     # @attr examples [Array<RSpec::Core::Example>] the examples run
     # @attr number_of_examples [Fixnum] the number of examples to profile
-    # @attr profiler [RSpec::Core::Profiler] the profiler used to capture examples
-    ProfileNotification = Struct.new(:duration, :examples, :number_of_examples, :profiler)
+    # @attr example_groups [Array<RSpec::Core::Profiler>] example groups run
     class ProfileNotification
+      def initialize(duration, examples, number_of_examples, example_groups)
+        @duration = duration
+        @examples = examples
+        @number_of_examples = number_of_examples
+        @example_groups = example_groups
+      end
+      attr_reader :duration, :examples, :number_of_examples
+
       # @return [Array<RSpec::Core::Example>] the slowest examples
       def slowest_examples
         @slowest_examples ||=
@@ -436,16 +443,14 @@ def slowest_groups
     private
 
       def calculate_slowest_groups
-        example_groups = profiler.example_groups
-
         # stop if we've only one example group
-        return {} if example_groups.keys.length <= 1
+        return {} if @example_groups.keys.length <= 1
 
-        example_groups.each_value do |hash|
+        @example_groups.each_value do |hash|
           hash[:average] = hash[:total_time].to_f / hash[:count]
         end
 
-        example_groups.sort_by { |_, hash| -hash[:average] }.first(number_of_examples)
+        @example_groups.sort_by { |_, hash| -hash[:average] }.first(number_of_examples)
       end
     end
 

lib/rspec/core/reporter.rb

@@ -152,7 +152,7 @@ def finish
         unless mute_profile_output?
           notify :dump_profile, Notifications::ProfileNotification.new(@duration, @examples,
                                                                        @configuration.profile_examples,
-                                                                       @profiler)
+                                                                       @profiler.example_groups)
         end
         notify :dump_summary, Notifications::SummaryNotification.new(@duration, @examples, @failed_examples,
                                                                      @pending_examples, @load_time)

spec/support/formatter_support.rb

@@ -281,7 +281,7 @@ def summary_notification(duration, examples, failed, pending, time)
   end
 
   def profile_notification(duration, examples, number)
-    ::RSpec::Core::Notifications::ProfileNotification.new duration, examples, number, reporter.instance_variable_get('@profiler')
+    ::RSpec::Core::Notifications::ProfileNotification.new duration, examples, number, reporter.instance_variable_get('@profiler').example_groups
   end
 
 end