Class: RuboCop::OptionsValidator Private

Inherits:
Object
  • Object
show all
Defined in:
lib/rubocop/options.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Validates option arguments and the options' compatibility with each other.

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ OptionsValidator

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of OptionsValidator.


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# File 'lib/rubocop/options.rb', line 288

def initialize(options)
  @options = options
end

Class Method Details

.validate_cop_list(names) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Cop name validation must be done later than option parsing, so it's not called from within Options.


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# File 'lib/rubocop/options.rb', line 257

def validate_cop_list(names)
  return unless names

  cop_names = Cop::Registry.global.names
  departments = Cop::Registry.global.departments.map(&:to_s)

  names.each do |name|
    next if cop_names.include?(name)
    next if departments.include?(name)
    next if SYNTAX_DEPARTMENTS.include?(name)

    raise IncorrectCopNameError, format_message_from(name, cop_names)
  end
end

Instance Method Details

#boolean_or_empty_cache? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 

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# File 'lib/rubocop/options.rb', line 386

def boolean_or_empty_cache?
  !@options.key?(:cache) || %w[true false].include?(@options[:cache])
end

#disable_parallel_when_invalid_option_combo ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'lib/rubocop/options.rb', line 350

def disable_parallel_when_invalid_option_combo
  return unless @options.key?(:parallel)

  invalid_options = [
    { name: :auto_gen_config, value: true, flag: '--auto-gen-config' },
    { name: :fail_fast, value: true, flag: '-F/--fail-fast.' },
    { name: :auto_correct, value: true, flag: '--auto-correct.' },
    { name: :cache, value: 'false', flag: '--cache false' }
  ]

  invalid_flags = invalid_options.each_with_object([]) do |option, flags|
    # `>` rather than `>=` because `@options` will also contain `parallel: true`
    flags << option[:flag] if @options > { option[:name] => option[:value] }
  end

  return if invalid_flags.empty?

  @options.delete(:parallel)

  puts '-P/--parallel is being ignored because ' \
       "it is not compatible with #{invalid_flags.join(', ')}"
end

#display_only_fail_level_offenses_with_autocorrect? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 

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# File 'lib/rubocop/options.rb', line 378

def display_only_fail_level_offenses_with_autocorrect?
  @options[:display_only_fail_level_offenses] && @options[:autocorrect]
end

#except_syntax? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 

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# File 'lib/rubocop/options.rb', line 382

def except_syntax?
  @options.key?(:except) && (@options[:except] & %w[Lint/Syntax Syntax]).any?
end

#incompatible_options ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'lib/rubocop/options.rb', line 390

def incompatible_options
  @incompatible_options ||= @options.keys & Options::EXITING_OPTIONS
end

#only_includes_redundant_disable? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 

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# File 'lib/rubocop/options.rb', line 373

def only_includes_redundant_disable?
  @options.key?(:only) &&
    (@options[:only] & %w[Lint/RedundantCopDisableDirective RedundantCopDisableDirective]).any?
end

#validate_auto_correct ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Raises:


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# File 'lib/rubocop/options.rb', line 342

def validate_auto_correct
  return if @options.key?(:auto_correct)
  return unless @options.key?(:disable_uncorrectable)

  raise OptionArgumentError,
        format('--disable-uncorrectable can only be used together with --auto-correct.')
end

#validate_auto_gen_config ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

rubocop:enable Metrics/AbcSize


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# File 'lib/rubocop/options.rb', line 321

def validate_auto_gen_config
  return if @options.key?(:auto_gen_config)

  message = '--%<flag>s can only be used together with --auto-gen-config.'

  %i[exclude_limit offense_counts auto_gen_timestamp
     auto_gen_only_exclude].each do |option|
    if @options.key?(option)
      raise OptionArgumentError, format(message, flag: option.to_s.tr('_', '-'))
    end
  end
end

#validate_cache_enabled_for_cache_root ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Raises:


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# File 'lib/rubocop/options.rb', line 402

def validate_cache_enabled_for_cache_root
  return unless @options[:cache] == 'false'

  raise OptionArgumentError, '--cache-root can not be used with --cache false'
end

#validate_compatibility ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

rubocop:disable Metrics/AbcSize

Raises:


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# File 'lib/rubocop/options.rb', line 297

def validate_compatibility # rubocop:disable Metrics/MethodLength
  if only_includes_redundant_disable?
    raise OptionArgumentError, 'Lint/RedundantCopDisableDirective cannot be used with --only.'
  end
  raise OptionArgumentError, 'Syntax checking cannot be turned off.' if except_syntax?
  unless boolean_or_empty_cache?
    raise OptionArgumentError, '-C/--cache argument must be true or false'
  end

  if display_only_fail_level_offenses_with_autocorrect?
    raise OptionArgumentError, '--autocorrect cannot be used with ' \
                               '--display-only-fail-level-offenses'
  end
  validate_auto_gen_config
  validate_auto_correct
  validate_display_only_failed
  disable_parallel_when_invalid_option_combo

  return if incompatible_options.size <= 1

  raise OptionArgumentError, "Incompatible cli options: #{incompatible_options.inspect}"
end

#validate_cop_options ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'lib/rubocop/options.rb', line 292

def validate_cop_options
  %i[only except].each { |opt| OptionsValidator.validate_cop_list(@options[opt]) }
end

#validate_display_only_failed ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Raises:


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# File 'lib/rubocop/options.rb', line 334

def validate_display_only_failed
  return unless @options.key?(:display_only_failed)
  return if @options[:format] == 'junit'

  raise OptionArgumentError,
        format('--display-only-failed can only be used together with --format junit.')
end

#validate_exclude_limit_option ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Raises:

  • (OptionParser::MissingArgument) 

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# File 'lib/rubocop/options.rb', line 394

def validate_exclude_limit_option
  return if /^\d+$/.match?(@options[:exclude_limit])

  # Emulate OptionParser's behavior to make failures consistent regardless
  # of option order.
  raise OptionParser::MissingArgument
end