class RuboCop::Cop::RSpec::HooksBeforeExamples

Checks for before/around/after hooks that come after an example.

@example

# bad
it 'checks what foo does' do
  expect(foo).to be
end

before { prepare }
after { clean_up }

# good
before { prepare }
after { clean_up }

it 'checks what foo does' do
  expect(foo).to be
end

Constants

MSG

Public Instance Methods

on_block(node) click to toggle source
# File lib/rubocop/cop/rspec/hooks_before_examples.rb, line 41
def on_block(node)
  return unless example_group_with_body?(node)

  check_hooks(node.body) if multiline_block?(node.body)
end
Also aliased as: on_numblock
on_numblock(node)
Alias for: on_block

Private Instance Methods

autocorrect(corrector, node, first_example) click to toggle source
# File lib/rubocop/cop/rspec/hooks_before_examples.rb, line 73
def autocorrect(corrector, node, first_example)
  RuboCop::RSpec::Corrector::MoveNode.new(
    node, corrector, processed_source
  ).move_before(first_example)
end
check_hooks(node) click to toggle source
# File lib/rubocop/cop/rspec/hooks_before_examples.rb, line 55
def check_hooks(node)
  first_example = find_first_example(node)
  return unless first_example

  first_example.right_siblings.each do |sibling|
    next unless hook?(sibling)

    msg = format(MSG, hook: sibling.method_name)
    add_offense(sibling, message: msg) do |corrector|
      autocorrect(corrector, sibling, first_example)
    end
  end
end
find_first_example(node) click to toggle source
# File lib/rubocop/cop/rspec/hooks_before_examples.rb, line 69
def find_first_example(node)
  node.children.find { |sibling| example_or_group?(sibling) }
end
multiline_block?(block) click to toggle source
# File lib/rubocop/cop/rspec/hooks_before_examples.rb, line 51
def multiline_block?(block)
  block.begin_type?
end