Class: RuboCop::Cop::RSpec::EmptyLineAfterFinalLet

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Includes:
EmptyLineSeparation
Defined in:
lib/rubocop/cop/rspec/empty_line_after_final_let.rb

Overview

Checks if there is an empty line after the last let block.

Examples:

# bad
let(:foo) { bar }
let(:something) { other }
it { does_something }

# good
let(:foo) { bar }
let(:something) { other }

it { does_something }

Constant Summary collapse

MSG = 
'Add an empty line after the last `%<let>s`.'

Instance Method Summary collapse

Methods included from EmptyLineSeparation

#last_child?, #missing_separating_line, #missing_separating_line_offense, #offending_loc

Methods included from FinalEndLocation

#final_end_location

Methods inherited from Base

inherited, #on_new_investigation

Methods included from RSpec::Language

#example?, #example_group?, #example_group_with_body?, #explicit_rspec?, #hook?, #include?, #let?, #rspec?, #shared_group?, #spec_group?, #subject?

Instance Method Details

#example_group_or_include?(node) ⇒ Object 



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# File 'lib/rubocop/cop/rspec/empty_line_after_final_let.rb', line 27

def_node_matcher :example_group_or_include?, <<~PATTERN
  (block (send #rspec? {#SharedGroups.all #ExampleGroups.all #Includes.all} ...) args $_)
PATTERN

#on_block(node) ⇒ Object

rubocop:disable InternalAffairs/NumblockHandler, InternalAffairs/ItblockHandler



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# File 'lib/rubocop/cop/rspec/empty_line_after_final_let.rb', line 31

def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler, InternalAffairs/ItblockHandler
  return unless example_group_or_include?(node)

  final_let = node.body.child_nodes.reverse.find { |child| let?(child) }

  return if final_let.nil?

  missing_separating_line_offense(final_let) do |method|
    format(MSG, let: method)
  end
end