Add devtools

Gemfile

@@ -5,66 +5,7 @@ source 'https://rubygems.org'
 gemspec
 
 group :development do
-  gem 'rake',  '~> 10.0.4'
-  gem 'rspec', '~> 1.3.2'
+  gem 'devtools', :git => 'https://github.com/datamapper/devtools.git'
 end
 
-group :yard do
-  gem 'kramdown', '~> 1.0.1'
-end
-
-group :guard do
-  gem 'guard',         '~> 1.7.0'
-  gem 'guard-bundler', '~> 1.0.0'
-  gem 'guard-rspec',   '~> 1.2.1'
-
-  # file system change event handling
-  gem 'listen',     '~> 0.7.3'
-  gem 'rb-fchange', '~> 0.0.6', :require => false
-  gem 'rb-fsevent', '~> 0.9.3', :require => false
-  gem 'rb-inotify', '~> 0.9.0', :require => false
-
-  # notification handling
-  gem 'libnotify',               '~> 0.8.0', :require => false
-  gem 'rb-notifu',               '~> 0.0.4', :require => false
-  gem 'terminal-notifier-guard', '~> 1.5.3', :require => false
-end
-
-group :metrics do
-  gem 'coveralls',       '~> 0.6.5'
-  gem 'flay',            '~> 1.4.3'
-  gem 'flog',            '~> 2.5.3'
-  gem 'roodi',           '~> 2.2.0'
-  gem 'simplecov',       '~> 0.7.1'
-
-  platforms :ruby_19 do
-    gem 'yard-spellcheck', '~> 0.1.5'
-  end
-
-  platforms :mri_18 do
-    gem 'arrayfields',          '~> 4.7.4'  # for metric_fu
-    gem 'fattr',                '~> 2.2.0'  # for metric_fu
-    gem 'heckle',               '~> 1.4.3'
-    gem 'json',                 '~> 1.7.7'  # for metric_fu rake task
-    gem 'map',                  '~> 6.3.0'  # for metric_fu
-    gem 'metric_fu',            '~> 2.1.1'
-    gem 'mspec',                '~> 1.5.17'
-    gem 'rails_best_practices', '= 1.13.3'  # for metric_fu
-    gem 'rcov',                 '~> 1.0.0'
-    gem 'ruby2ruby',            '= 1.2.2'   # for heckle
-  end
-
-  platforms :rbx do
-    gem 'pelusa', '~> 0.2.2'
-  end
-end
-
-group :benchmarks do
-  gem 'rbench', '~> 0.2.3'
-end
-
-platform :jruby do
-  group :jruby do
-    gem 'jruby-openssl', '~> 0.8.5'
-  end
-end
+eval File.read('Gemfile.devtools')

Gemfile.devtools

@@ -0,0 +1,59 @@
+# encoding: utf-8
+
+group :development do
+  gem 'rake',  '~> 10.0.4'
+  gem 'rspec', '~> 2.13.0'
+  gem 'yard',  '~> 0.8.6.1'
+end
+
+group :yard do
+  gem 'kramdown', '~> 1.0.1'
+end
+
+group :guard do
+  gem 'guard',         '~> 1.8.0'
+  gem 'guard-bundler', '~> 1.0.0'
+  gem 'guard-rspec',   '~> 2.5.4'
+
+  # file system change event handling
+  gem 'listen',     '~> 1.0.2'
+  gem 'rb-fchange', '~> 0.0.6', :require => false
+  gem 'rb-fsevent', '~> 0.9.3', :require => false
+  gem 'rb-inotify', '~> 0.9.0', :require => false
+
+  # notification handling
+  gem 'libnotify',               '~> 0.8.0', :require => false
+  gem 'rb-notifu',               '~> 0.0.4', :require => false
+  gem 'terminal-notifier-guard', '~> 1.5.3', :require => false
+end
+
+group :metrics do
+  gem 'backports',       '~> 3.3', '>= 3.3.0'
+  gem 'coveralls',       '~> 0.6.6'
+  gem 'flay',            '~> 2.2.0'
+  gem 'flog',            '~> 4.0.0'
+  gem 'reek',            '~> 1.3.1', :git => 'https://github.com/troessner/reek.git'
+  gem 'simplecov',       '~> 0.7.1'
+
+  platforms :ruby_19 do
+    gem 'yard-spellcheck', '~> 0.1.5'
+  end
+
+  platforms :mri_19, :rbx do
+    gem 'mutant', '~> 0.2.20'
+  end
+
+  platforms :rbx do
+    gem 'pelusa', '~> 0.2.2'
+  end
+end
+
+group :benchmarks do
+  gem 'rbench', '~> 0.2.3'
+end
+
+platform :jruby do
+  group :jruby do
+    gem 'jruby-openssl', '~> 0.8.5'
+  end
+end

Rakefile

@@ -1,9 +1,4 @@
 # encoding: utf-8
 
-require 'rake'
-
-require File.expand_path('../lib/yardstick/version', __FILE__)
-
-FileList['tasks/**/*.rake'].each { |task| import task }
-
-task :default => :spec
+require 'devtools'
+Devtools.init_rake_tasks

config/devtools.yml

@@ -0,0 +1,2 @@
+---
+unit_test_timeout: 0.3

config/flay.yml

@@ -1,3 +1,3 @@
 ---
-threshold: 15
-total_score: 246
+threshold: 12
+total_score: 155

config/flog.yml

@@ -1,2 +1,2 @@
 ---
-threshold: 13.1
+threshold: 11.4

config/mutant.yml

@@ -0,0 +1,3 @@
+---
+name: yardstick
+namespace: Yardstick

config/site.reek → config/reek.yml

@@ -4,21 +4,22 @@ Attribute:
   exclude:
   - Yardstick::Config
   - Yardstick::Rule
+  - Yardstick::Document
 BooleanParameter:
   enabled: true
   exclude: []
 ClassVariable:
   enabled: true
   exclude: []
-ControlCouple:
+ControlParameter:
   enabled: true
   exclude: []
 DataClump:
   enabled: true
   exclude: []
   max_copies: 2
   min_clump_size: 2
-Duplication:
+DuplicateMethodCall:
   enabled: true
   exclude: []
   max_calls: 1
@@ -29,21 +30,6 @@ FeatureEnvy:
 IrresponsibleModule:
   enabled: true
   exclude: []
-LargeClass:
-  enabled: true
-  exclude:
-  - Yardstick::Document
-  - Yardstick::Config
-  max_instance_variables: 3
-  max_methods: 10
-LongMethod:
-  enabled: true
-  exclude:
-  - Yardstick::CLI#self.option_parser
-  - Yardstick::CLI#self.parse_config
-  - Yardstick::Config#self.normalize_hash
-  - Yardstick::Config#set_defaults
-  max_statements: 3
 LongParameterList:
   enabled: true
   exclude: []
@@ -60,10 +46,31 @@ NestedIterators:
   exclude: []
   max_allowed_nesting: 1
   ignore_iterators: []
-SimulatedPolymorphism:
+NilCheck:
+  enabled: true
+  exclude: []
+RepeatedConditional:
   enabled: true
   exclude: []
   max_ifs: 1
+TooManyInstanceVariables:
+  enabled: true
+  exclude:
+  - Yardstick::Config
+  max_instance_variables: 3
+TooManyMethods:
+  enabled: true
+  exclude:
+  - Yardstick::Document
+  max_methods: 10
+TooManyStatements:
+  enabled: true
+  exclude:
+  - Yardstick::CLI#self.option_parser
+  - Yardstick::CLI#self.parse_config
+  - Yardstick::Config#set_defaults
+  - Yardstick::Config#self.normalize_hash
+  max_statements: 3
 UncommunicativeMethodName:
   enabled: true
   exclude: []
@@ -95,6 +102,9 @@ UncommunicativeVariableName:
   - !ruby/regexp /[0-9]$/
   - !ruby/regexp /[A-Z]/
   accept: []
+UnusedParameters:
+  enabled: true
+  exclude: []
 UtilityFunction:
   enabled: true
   exclude: []

lib/yardstick.rb

@@ -21,7 +21,9 @@
 require 'yardstick/rules/return_tag'
 
 require 'yardstick/measurement_set'
+require 'yardstick/document_set'
 require 'yardstick/processor'
+require 'yardstick/parser'
 
 require 'yardstick/yard_ext'
 
@@ -45,7 +47,7 @@ module Yardstick
   #
   # @api public
   def self.measure(config = Config.new)
-    Processor.process_path(config)
+    Processor.new(config).process
   end
 
   # Measure a string of code and YARD documentation
@@ -65,7 +67,7 @@ def self.measure(config = Config.new)
   #
   # @api public
   def self.measure_string(string, config = Config.new)
-    Processor.process_string(string, config)
+    Processor.new(config).process_string(string)
   end
 
 end # module Yardstick

lib/yardstick/cli.rb

@@ -45,14 +45,14 @@ def self.parse_config(args)
 
     # Return an OptionParser instance for the command-line app
     #
-    # @param [Hash] options
+    # @param [Hash] _options
     #   the options to set when parsing the command-line arguments
     #
     # @return [Yardstick::OptionParser]
     #   the option parser instance
     #
     # @api private
-    def self.option_parser(options)
+    def self.option_parser(_options)
       opts = OptionParser.new
       opts.on_tail('-v', '--version', 'print version information and exit') { display_exit("#{opts.program_name} #{Yardstick::VERSION}") }
       opts.on_tail('-h', '--help',    'display this help and exit')         { display_exit(opts.to_s) }

lib/yardstick/config.rb

@@ -2,6 +2,8 @@ module Yardstick
   # Handles Yardstick configuration
   #
   class Config
+    InvalidRule = Class.new(StandardError)
+
     NAMESPACE_PREFIX = 'Yardstick::Rules::'.freeze
 
     # Set the threshold
@@ -76,10 +78,10 @@ def self.coerce(hash, &block)
     #
     # @api private
     def self.normalize_hash(hash)
-      hash.each_with_object({}) { |(key, value), normalized_hash|
+      hash.each_with_object({}) do |(key, value), normalized_hash|
         normalized_value = value.is_a?(Hash) ? normalize_hash(value) : value
         normalized_hash[key.to_sym] = normalized_value
-      }
+      end
     end
 
     # Initializes new config
@@ -94,10 +96,7 @@ def self.normalize_hash(hash)
     #
     # @api private
     def initialize(options = {}, &block)
-      @options = options
-      @rules   = @options.fetch(:rules, {})
-
-      set_defaults
+      set_defaults(options)
 
       yield(self) if block_given?
     end
@@ -110,8 +109,13 @@ def initialize(options = {}, &block)
     #
     # @api private
     def options(rule_class)
-      key = rule_class.to_s[NAMESPACE_PREFIX.length..-1].to_sym
-      @rules.fetch(key, {})
+      key = rule_class.to_s[NAMESPACE_PREFIX.length..-1]
+
+      if key
+        @rules.fetch(key.to_sym, {})
+      else
+        raise InvalidRule, "every rule must begin with #{NAMESPACE_PREFIX}"
+      end
     end
 
     # Specify if the coverage summary should be displayed
@@ -148,14 +152,18 @@ def output=(output)
 
     # Sets default options
     #
+    # @param [Hash] options
+    #   optional configuration
+    #
     # @return [undefined]
     #
     # @api private
-    def set_defaults
-      @threshold               = @options[:threshold]
-      @verbose                 = true
-      @path                    = @options[:path] || 'lib/**/*.rb'
-      @require_exact_threshold = true
+    def set_defaults(options)
+      @threshold               = options.fetch(:threshold, 100)
+      @verbose                 = options.fetch(:verbose, true)
+      @path                    = options.fetch(:path, 'lib/**/*.rb')
+      @require_exact_threshold = options.fetch(:require_exact_threshold, true)
+      @rules                   = options.fetch(:rules, {})
       self.output              = 'measurements/report.txt'
     end