Class: RuboCop::Cop::Rails::Validation

Inherits:

Cop

• Object
• Cop
• RuboCop::Cop::Rails::Validation

Defined in:

lib/rubocop/cop/rails/validation.rb

Overview

This cop checks for the use of old-style attribute validation macros.

Constant Summary

MSG =

'Prefer the new style validations `%s` over `%s`.'.freeze

TYPES =

%w(
  acceptance
  confirmation
  exclusion
  format
  inclusion
  length
  numericality
  presence
  size
  uniqueness
).freeze

BLACKLIST =

TYPES.map { |p| "validates_#{p}_of".to_sym }.freeze

WHITELIST =

TYPES.map { |p| "validates :column, #{p}: value" }.freeze

Constants included from Util

Util::ASGN_NODES, Util::BYTE_ORDER_MARK, Util::EQUALS_ASGN_NODES, Util::LITERAL_REGEX, Util::OPERATOR_METHODS, Util::SHORTHAND_ASGN_NODES

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary

• #on_send(node) ⇒ Object

Methods inherited from Cop

#add_offense, all, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, cop_type, #correct, #debug?, #details, #display_cop_names?, #display_style_guide?, #duplicate_location?, #excluded_file?, #extra_details?, #find_location, #highlights, inherited, #initialize, #join_force?, lint?, match?, #message, #messages, non_rails, #parse, qualified_cop_name, #reference_url, #relevant_file?, #style_guide_url, #target_ruby_version

Methods included from Sexp

#s

Methods included from NodePattern::Macros

#def_node_matcher, #def_node_search, #node_search, #node_search_all, #node_search_body, #node_search_first

Methods included from AutocorrectLogic

#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

begins_its_line?, block_length, comment_line?, directions, double_quotes_acceptable?, double_quotes_required?, effective_column, ends_its_line?, escape_string, first_part_of_call_chain, interpret_string_escapes, line_distance, line_range, move_pos, needs_escaping?, numeric_range_size, on_node, operator?, parentheses?, parenthesized_call?, preceed?, range_between, range_with_surrounding_comma, range_with_surrounding_space, same_line?, source_range, strip_quotes, stripped_source_upto, to_string_literal, to_symbol_literal, within_node?

Methods included from PathUtil

absolute?, match_path?, relative_path

Constructor Details

This class inherits a constructor from RuboCop::Cop::Cop

Instance Method Details

#on_send(node) ⇒ Object

# File 'lib/rubocop/cop/rails/validation.rb', line 28

def on_send(node)
  receiver, method_name, *_args = *node
  return unless receiver.nil? && BLACKLIST.include?(method_name)

  add_offense(node,
              :selector,
              format(MSG,
                     preferred_method(method_name),
                     method_name))
end