Class: RuboCop::Formatter::DisabledConfigFormatter

Inherits:
BaseFormatter
  • Object
show all
Defined in:
lib/rubocop/formatter/disabled_config_formatter.rb

Overview

This formatter displays a YAML configuration file where all cops that detected any offenses are configured to not detect the offense.

Constant Summary collapse

HEADING = 
['# This configuration was generated by',
 '# `%s`',
 "# on #{Time.now} using RuboCop version #{Version.version}.",
 '# The point is for the user to remove these configuration records',
 '# one by one as the offenses are removed from the code base.',
 '# Note that changes in the inspected code, or installation of new',
 '# versions of RuboCop, may require this file to be generated again.']
.join("\n")
COPS = 
Cop::Cop.all.group_by(&:cop_name)

Class Attribute Summary collapse

Attributes inherited from BaseFormatter

#output

Instance Method Summary collapse

Methods inherited from BaseFormatter

#initialize, #started

Constructor Details

This class inherits a constructor from RuboCop::Formatter::BaseFormatter

Class Attribute Details

.config_to_allow_offenses ⇒ Object

Returns the value of attribute config_to_allow_offenses.



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# File 'lib/rubocop/formatter/disabled_config_formatter.rb', line 23

def config_to_allow_offenses
  @config_to_allow_offenses
end

Instance Method Details

#file_finished(file, offenses) ⇒ Object 



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# File 'lib/rubocop/formatter/disabled_config_formatter.rb', line 34

def file_finished(file, offenses)
  @cops_with_offenses ||= Hash.new(0)
  @files_with_offenses ||= {}
  offenses.each do |o|
    @cops_with_offenses[o.cop_name] += 1
    @files_with_offenses[o.cop_name] ||= []
    @files_with_offenses[o.cop_name] << file
  end
end

#file_started(_file, file_info) ⇒ Object 



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# File 'lib/rubocop/formatter/disabled_config_formatter.rb', line 26

def file_started(_file, file_info)
  @exclude_limit_option =
    file_info.fetch(:cli_options, {})[:exclude_limit]
  @exclude_limit = (
    @exclude_limit_option ||
    RuboCop::Options::DEFAULT_MAXIMUM_EXCLUSION_ITEMS).to_i
end

#finished(_inspected_files) ⇒ Object 



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# File 'lib/rubocop/formatter/disabled_config_formatter.rb', line 44

def finished(_inspected_files)
  command = 'rubocop --auto-gen-config'
  if @exclude_limit_option
    command += format(' --exclude-limit %d', @exclude_limit_option.to_i)
  end
  output.puts HEADING % command

  # Syntax isn't a real cop and it can't be disabled.
  @cops_with_offenses.delete('Syntax')

  @cops_with_offenses.sort.each do |cop_name, offense_count|
    output.puts
    cfg = self.class.config_to_allow_offenses[cop_name]
    cfg ||= {}
    output_cop_comments(output, cfg, cop_name, offense_count)
    output_cop_config(output, cfg, cop_name)
  end
  puts "Created #{output.path}."
  puts "Run `rubocop --config #{output.path}`, or"
  puts "add inherit_from: #{output.path} in a .rubocop.yml file."
end

#output_cop_comments(output, cfg, cop_name, offense_count) ⇒ Object 



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# File 'lib/rubocop/formatter/disabled_config_formatter.rb', line 66

def output_cop_comments(output, cfg, cop_name, offense_count)
  output.puts "# Offense count: #{offense_count}"
  if COPS[cop_name] && COPS[cop_name].first.new.support_autocorrect?
    output.puts '# Cop supports --auto-correct.'
  end

  default_cfg = RuboCop::ConfigLoader.default_configuration[cop_name]
  return unless default_cfg

  params = default_cfg.keys -
           %w(Description StyleGuide Reference Enabled) -
           cfg.keys
  return if params.empty?

  output.puts "# Configuration parameters: #{params.join(', ')}."
end

#output_cop_config(output, cfg, cop_name) ⇒ Object 



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# File 'lib/rubocop/formatter/disabled_config_formatter.rb', line 83

def output_cop_config(output, cfg, cop_name)
  output.puts "#{cop_name}:"
  cfg.each do |key, value|
    value = value[0] if value.is_a?(Array)
    output.puts "  #{key}: #{value}"
  end
  output_offending_files(output, cfg, cop_name)
end

#output_exclude_list(output, offending_files, cop_name) ⇒ Object 



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# File 'lib/rubocop/formatter/disabled_config_formatter.rb', line 103

def output_exclude_list(output, offending_files, cop_name)
  require 'pathname'
  parent = Pathname.new(Dir.pwd)

  # Exclude properties in .rubocop_todo.yml override default ones, so in
  # order to retain the default excludes we must copy them.
  default_cfg = RuboCop::ConfigLoader.default_configuration[cop_name]
  default_excludes = default_cfg ? default_cfg['Exclude'] || [] : []

  output.puts '  Exclude:'
  (default_excludes + offending_files).each do |file|
    file_path = Pathname.new(file)
    begin
      relative = file_path.relative_path_from(parent)
      output.puts "    - '#{relative}'"
    rescue ArgumentError
      output.puts "    - '#{file}'"
    end
  end
rescue LoadError
  # Fallback to Enabled: false for Ruby < 1.9.3
  output.puts '  Enabled: false'
end

#output_offending_files(output, cfg, cop_name) ⇒ Object 



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# File 'lib/rubocop/formatter/disabled_config_formatter.rb', line 92

def output_offending_files(output, cfg, cop_name)
  return unless cfg.empty?

  offending_files = @files_with_offenses[cop_name].uniq.sort
  if offending_files.count > @exclude_limit
    output.puts '  Enabled: false'
  else
    output_exclude_list(output, offending_files, cop_name)
  end
end