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

Inherits:
Cop
  • Object
show all
Defined in:
lib/rubocop/cop/rails/validation.rb

Overview

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

Constant Summary collapse

MSG =
'Prefer the new style validations `%s` over `%s`.'
BLACKLIST =
[:validates_acceptance_of,
:validates_confirmation_of,
:validates_exclusion_of,
:validates_format_of,
:validates_inclusion_of,
:validates_length_of,
:validates_numericality_of,
:validates_presence_of,
:validates_size_of,
:validates_uniqueness_of]
WHITELIST =
[
  'validates :column, acceptance: value',
  'validates :column, confirmation: value',
  'validates :column, exclusion: value',
  'validates :column, format: value',
  'validates :column, inclusion: value',
  'validates :column, length: value',
  'validates :column, numericality: value',
  'validates :column, presence: value',
  'validates :column, size: value',
  'validates :column, uniqueness: value'
]

Constants included from Util

Util::ASGN_NODES, Util::EQUALS_ASGN_NODES, Util::OPERATOR_METHODS, Util::PROC_NEW_NODE, Util::SHORTHAND_ASGN_NODES

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary collapse

Methods inherited from Cop

#add_offense, all, #autocorrect?, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, cop_name_with_namespace, cop_type, #debug?, #display_cop_names?, inherited, #initialize, #join_force?, lint?, #message, non_rails, qualified_cop_name, rails?, #relevant_file?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

begins_its_line?, block_length, command?, comment_line?, const_name, first_part_of_call_chain, lambda?, lambda_or_proc?, line_range, numeric_range_size, on_node, operator?, parentheses?, proc?, range_with_surrounding_space, source_range, strip_quotes, within_node?

Methods included from PathUtil

issue_deprecation_warning, match_path?, relative_path

Constructor Details

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

Instance Method Details

#on_send(node) ⇒ Object


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# File 'lib/rubocop/cop/rails/validation.rb', line 34

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