Class: RuboCop::Cop::UmtsCustomCops::BeMatcherForNonDuplicableTypes

Inherits:
RuboCop::Cop
  • Object
show all
Defined in:
lib/umts-custom-cops/be_matcher_for_non_duplicable_types.rb

Overview

rubocop:disable Metrics/AbcSize

Constant Summary collapse

MSG = 
'Prefer `be` matcher to `eq` or `eql` for non-duplicable types.'
OFFENSE_TYPE_CHECKS = 
%i(true_type?
false_type?
nil_type?
int_type?)

Instance Method Summary collapse

Instance Method Details

#autocorrect(node) ⇒ Object 



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# File 'lib/umts-custom-cops/be_matcher_for_non_duplicable_types.rb', line 17

def autocorrect(node)
  lambda do |corrector|
    matcher = node.child_nodes[1]
    corrector.replace matcher.loc.selector, 'be'
  end
end

#on_send(node) ⇒ Object 



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# File 'lib/umts-custom-cops/be_matcher_for_non_duplicable_types.rb', line 24

def on_send(node)
  return unless %i(to not_to).include? node.method_name
  return unless node.child_nodes &&
                node.child_nodes.first.method_name == :expect
  matcher = node.child_nodes[1]
  return unless %i(eq eql).include? matcher.method_name
  args = matcher.child_nodes.first
  return unless OFFENSE_TYPE_CHECKS.find { |check| args.send check }
  add_offense node, :expression, MSG
end