Class: RuboCop::Cop::RSpec::LeadingSubject

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

Overview

Enforce that subject is the first definition in the test.

Examples:

# bad
let(:params) { blah }
subject { described_class.new(params) }

before { do_something }
subject { described_class.new(params) }

it { expect_something }
subject { described_class.new(params) }
it { expect_something_else }

# good
subject { described_class.new(params) }
let(:params) { blah }

# good
subject { described_class.new(params) }
before { do_something }

# good
subject { described_class.new(params) }
it { expect_something }
it { expect_something_else }

Constant Summary collapse

MSG = 
'Declare `subject` above any other `%<offending>s` declarations.'

Instance Method Summary collapse

Methods inherited from Base

inherited, #on_new_investigation

Methods included from RSpec::Language::NodePattern

#block_or_numblock_pattern, #block_pattern, #numblock_pattern, #send_pattern

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

#on_block(node) ⇒ Object

rubocop:disable InternalAffairs/NumblockHandler



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# File 'lib/rubocop/cop/rspec/leading_subject.rb', line 40

def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
  return unless subject?(node)
  return unless inside_example_group?(node)

  check_previous_nodes(node)
end