gitlab-org--gitlab-foss/rubocop/formatter/todo_formatter.rb

109 lines
3.1 KiB
Ruby

# frozen_string_literal: true
require 'set'
require 'rubocop'
require 'yaml'
require_relative '../todo_dir'
require_relative '../cop_todo'
module RuboCop
module Formatter
# This formatter dumps a YAML configuration file per cop rule
# into `.rubocop_todo/**/*.yml` which contains detected offenses.
#
# For example, this formatter stores offenses for `RSpec/VariableName`
# in `.rubocop_todo/rspec/variable_name.yml`.
class TodoFormatter < BaseFormatter
DEFAULT_BASE_DIRECTORY = File.expand_path('../../.rubocop_todo', __dir__)
class << self
attr_accessor :base_directory
end
self.base_directory = DEFAULT_BASE_DIRECTORY
def initialize(output, _options = {})
@directory = self.class.base_directory
@todos = Hash.new { |hash, cop_name| hash[cop_name] = CopTodo.new(cop_name) }
@todo_dir = TodoDir.new(directory)
@config_inspect_todo_dir = load_config_inspect_todo_dir
@config_old_todo_yml = load_config_old_todo_yml
check_multiple_configurations!
super
end
def file_finished(file, offenses)
return if offenses.empty?
file = relative_path(file)
offenses.map(&:cop_name).tally.each do |cop_name, offense_count|
@todos[cop_name].record(file, offense_count)
end
end
def finished(_inspected_files)
@todos.values.sort_by(&:cop_name).each do |todo|
todo.previously_disabled = previously_disabled?(todo)
path = @todo_dir.write(todo.cop_name, todo.to_yaml)
output.puts "Written to #{relative_path(path)}\n"
end
end
def self.with_base_directory(directory)
old = base_directory
self.base_directory = directory
yield
ensure
self.base_directory = old
end
private
attr_reader :directory
def relative_path(path)
parent = File.expand_path('..', directory)
path.delete_prefix("#{parent}/")
end
def check_multiple_configurations!
cop_names = @config_inspect_todo_dir.keys & @config_old_todo_yml.keys
return if cop_names.empty?
list = cop_names.sort.map { |cop_name| "- #{cop_name}" }.join("\n")
raise "Multiple configurations found for cops:\n#{list}\n"
end
def previously_disabled?(todo)
cop_name = todo.cop_name
config = @config_old_todo_yml[cop_name] ||
@config_inspect_todo_dir[cop_name] || {}
return false if config.empty?
config['Enabled'] == false
end
def load_config_inspect_todo_dir
@todo_dir.list_inspect.each_with_object({}) do |path, combined|
config = YAML.load_file(path)
combined.update(config) if Hash === config
end
end
# Load YAML configuration from `.rubocop_todo.yml`.
# We consider this file already old, obsolete, and to be removed soon.
def load_config_old_todo_yml
path = File.expand_path(File.join(directory, '../.rubocop_todo.yml'))
config = YAML.load_file(path) if File.exist?(path)
config || {}
end
end
end
end