divide files

lib/Boy2Man.rb

@@ -1,110 +1,5 @@
 #!/usr/bin/env ruby
 # -*- coding: utf-8 -*-
-require "Boy2Man/version"
-
-module Boy2Man
-  HANDS = ["グー", "チョキ", "パー"]
-
-  def self.play
-    stand = Boy2Man.new
-    loop do
-      print '> '
-      hand = gets.chomp
-      case hand
-      when "", "bye", "exit"
-        exit
-      when *HANDS
-        puts stand.match(hand)
-      when "history"
-        puts stand.history
-      when "reset"
-        stand.reset
-      else
-        puts stand.select_hand
-      end
-    end
-  end
-
-  # @!attribute [r] history
-  #   @return [Array] the history of player's hand
-  class Boy2Man
-    attr_reader :history
-
-    def initialize
-      @history = Array.new
-    end
-
-    def history
-      # retrun deep copy of history, to prevent history to be changed.
-      Marshal.load(Marshal.dump(@history))
-    end
-
-    # @return [Array] resets history
-    def reset
-      @history.clear
-    end
-
-    # @return [String]
-    def match(hand)
-      case hand
-      when *HANDS
-        # 先に手を決めておかないと後出しになる
-        selected = select_hand
-        @history.push hand
-        case judge(hand, selected)
-        when hand
-          selected + "\nYou Win!"
-        when selected
-          selected + "\nYou Lose!"
-        else
-          selected + "\nDraw!"
-        end
-      else
-      end
-    end
-
-    # @return [String]
-    def select_hand
-      case predict
-      when "グー"   then "パー"
-      when "チョキ" then "グー"
-      when "パー"   then "チョキ"
-      end
-    end
-
-    private
-    def predict
-      @history.empty? ? %w(グー チョキ パー).sample : @history.sample
-    end
-
-    def judge(a, b)
-      case a
-      when "グー"
-        if b == "チョキ"
-          return a
-        elsif b == "パー"
-          return b
-        else
-          return nil
-        end
-      when "チョキ"
-        if b == "パー"
-          return a
-        elsif b == "グー"
-          return b
-        else
-          return nil
-        end
-      when "パー"
-        if b == "グー"
-          return a
-        elsif b == "チョキ"
-          return b
-        else
-          return nil
-        end
-      end
-    end
-
-  end
-end
+require "Boy2Man/cli"
+require "Boy2Man/janken"
+require "Boy2Man/version"

lib/Boy2Man/cli.rb

@@ -0,0 +1,23 @@
+module Boy2Man
+
+  def self.play
+    stand = Boy2Man.new
+    loop do
+      print '> '
+      hand = gets.chomp
+      case hand
+      when "", "bye", "exit"
+        exit
+      when *HANDS
+        puts stand.match(hand)
+      when "history"
+        puts stand.history
+      when "reset"
+        stand.reset
+      else
+        puts stand.select_hand
+      end
+    end
+  end
+
+end

lib/Boy2Man/janken.rb

@@ -0,0 +1,86 @@
+module Boy2Man
+  HANDS = ["グー", "チョキ", "パー"]
+
+  # @!attribute [r] history
+  #   @return [Array] the history of player's hand
+  class Janken
+    attr_reader :history
+
+    def initialize
+      @history = Array.new
+    end
+
+    def history
+      # retrun deep copy of history, to prevent history to be changed.
+      Marshal.load(Marshal.dump(@history))
+    end
+
+    # @return [Array] resets history
+    def reset
+      @history.clear
+    end
+
+    # @return [String]
+    def match(hand)
+      case hand
+      when *HANDS
+        # 先に手を決めておかないと後出しになる
+        selected = select_hand
+        @history.push hand
+        case judge(hand, selected)
+        when hand
+          selected + "\nYou Win!"
+        when selected
+          selected + "\nYou Lose!"
+        else
+          selected + "\nDraw!"
+        end
+      else
+      end
+    end
+
+    # @return [String]
+    def select_hand
+      case predict
+      when "グー"   then "パー"
+      when "チョキ" then "グー"
+      when "パー"   then "チョキ"
+      end
+    end
+
+    private
+    def predict
+      @history.empty? ? %w(グー チョキ パー).sample : @history.sample
+    end
+
+    def judge(a, b)
+      case a
+      when "グー"
+        if b == "チョキ"
+          return a
+        elsif b == "パー"
+          return b
+        else
+          return nil
+        end
+      when "チョキ"
+        if b == "パー"
+          return a
+        elsif b == "グー"
+          return b
+        else
+          return nil
+        end
+      when "パー"
+        if b == "グー"
+          return a
+        elsif b == "チョキ"
+          return b
+        else
+          return nil
+        end
+      end
+    end
+
+  end
+end

test/test_Boy2Man.rb

@@ -6,7 +6,7 @@ class TestBoy2Man < MiniTest::Unit::TestCase
   include Boy2Man
 
   def setup
-    @stand = Boy2Man.new
+    @stand = Janken.new
   end
 
   def test_select_hand