nested_groups.rb in rubocop-rspec-1.13.0

- old
+ new

@@ -3,11 +3,11 @@
 module RuboCop
   module Cop
     module RSpec
       # Checks for nested example groups.
       #
-      # This cop is configurable using the `MaxNesting` option
+      # This cop is configurable using the `Max` option
       #
       # @example
       #   # bad
       #   context 'when using some feature' do
       #     let(:some)    { :various }
@@ -54,11 +54,11 @@
       #
       # @example configuration
       #
       #   # .rubocop.yml
       #   RSpec/NestedGroups:
-      #     MaxNesting: 2
+      #     Max: 2
       #
       #   context 'when using some feature' do
       #     let(:some)    { :various }
       #     let(:feature) { :setup   }
       #
@@ -85,35 +85,39 @@
       #   end
       #
       class NestedGroups < Cop
         include RuboCop::RSpec::TopLevelDescribe
 
-        MSG = 'Maximum example group nesting exceeded'.freeze
+        MSG = 'Maximum example group nesting exceeded [%d/%d].'.freeze
 
         DEPRECATED_MAX_KEY = 'MaxNesting'.freeze
 
         DEPRECATION_WARNING =
           "Configuration key `#{DEPRECATED_MAX_KEY}` for #{cop_name} is " \
           'deprecated in favor of `Max`. Please use that instead.'.freeze
 
         def_node_search :find_contexts, ExampleGroups::ALL.block_pattern
 
         def on_top_level_describe(node, _)
-          find_nested_contexts(node.parent) do |context|
-            add_offense(context.children.first, :expression)
+          find_nested_contexts(node.parent) do |context, nesting|
+            add_offense(context.children.first, :expression, message(nesting))
           end
         end
 
         private
 
         def find_nested_contexts(node, nesting: 1, &block)
           find_contexts(node) do |nested_context|
-            yield(nested_context) if nesting > max_nesting
+            yield(nested_context, nesting) if nesting > max_nesting
 
             nested_context.each_child_node do |child|
               find_nested_contexts(child, nesting: nesting + 1, &block)
             end
           end
+        end
+
+        def message(nesting)
+          format(MSG, nesting, max_nesting)
         end
 
         def max_nesting
           @max_nesting ||= Integer(max_nesting_config)
         end