First attempt at a ruby version of this kata

Tennis/ruby/tennis.rb

@@ -0,0 +1,223 @@
+
+class TennisGameDefactored1
+
+  def initialize(player1Name, player2Name)
+    @player1Name = player1Name
+    @player2Name = player2Name
+    @p1points = 0
+    @p2points = 0
+  end
+        
+  def won_point(playerName)
+    if playerName == @player1Name
+      @p1points += 1
+    else
+      @p2points += 1
+    end
+  end
+  
+  def score
+    result = ""
+    tempScore=0
+    if (@p1points==@p2points)
+      result = {
+          0 => "Love-All",
+          1 => "Fifteen-All",
+          2 => "Thirty-All",
+          3 => "Forty-All",
+      }.fetch(@p1points, "Deuce")
+    elsif (@p1points>=4 or @p2points>=4)
+      minusResult = @p1points-@p2points
+      if (minusResult==1)
+        result ="Advantage " + @player1Name
+      elsif (minusResult ==-1)
+        result ="Advantage " + @player2Name
+      elsif (minusResult>=2)
+        result = "Win for " + @player1Name
+      else
+        result ="Win for " + @player2Name
+      end
+    else
+      (1...3).each do |i|
+        if (i==1)
+          tempScore = @p1points
+        else
+          result+="-"
+          tempScore = @p2points
+        end
+        result += {
+            0 => "Love",
+            1 => "Fifteen",
+            2 => "Thirty",
+            3 => "Forty",
+        }[tempScore]
+      end
+    end
+    result
+  end
+end
+
+class TennisGameDefactored2
+  def initialize(player1Name, player2Name)
+    @player1Name = player1Name
+    @player2Name = player2Name
+    @p1points = 0
+    @p2points = 0
+  end
+      
+  def won_point(playerName)
+    if playerName == @player1Name
+      p1Score()
+    else
+      p2Score()
+    end
+  end
+
+  def score
+    result = ""
+    if (@p1points == @p2points and @p1points < 4)
+      if (@p1points==0)
+        result = "Love"
+      end
+      if (@p1points==1)
+        result = "Fifteen"
+      end
+      if (@p1points==2)
+        result = "Thirty"
+      end
+      if (@p1points==3)
+        result = "Forty"
+      end
+      result += "-All"
+    end
+    if (@p1points==@p2points and @p1points>3)
+        result = "Deuce"
+    end
+    
+    p1res = ""
+    p2res = ""
+    if (@p1points > 0 and @p2points==0)
+      if (@p1points==1)
+        p1res = "Fifteen"
+      end
+      if (@p1points==2)
+        p1res = "Thirty"
+      end
+      if (@p1points==3)
+        p1res = "Forty"
+      end
+      p2res = "Love"
+      result = p1res + "-" + p2res
+    end
+    if (@p2points > 0 and @p1points==0)
+      if (@p2points==1)
+        p2res = "Fifteen"
+      end
+      if (@p2points==2)
+        p2res = "Thirty"
+      end
+      if (@p2points==3)
+        p2res = "Forty"
+      end
+      
+      p1res = "Love"
+      result = p1res + "-" + p2res
+    end
+    
+    if (@p1points>@p2points and @p1points < 4)
+      if (@p1points==2)
+        p1res="Thirty"
+      end
+      if (@p1points==3)
+        p1res="Forty"
+      end
+      if (@p2points==1)
+        p2res="Fifteen"
+      end
+      if (@p2points==2)
+        p2res="Thirty"
+      end
+      result = p1res + "-" + p2res
+    end
+    if (@p2points>@p1points and @p2points < 4)
+      if (@p2points==2)
+        p2res="Thirty"
+      end
+      if (@p2points==3)
+        p2res="Forty"
+      end
+      if (@p1points==1)
+        p1res="Fifteen"
+      end
+      if (@p1points==2)
+        p1res="Thirty"
+      end
+      result = p1res + "-" + p2res
+    end
+    if (@p1points > @p2points and @p2points >= 3)
+      result = "Advantage " + @player1Name
+    end
+    if (@p2points > @p1points and @p1points >= 3)
+      result = "Advantage " + @player2Name
+    end
+    if (@p1points>=4 and @p2points>=0 and (@p1points-@p2points)>=2)
+      result = "Win for " + @player1Name
+    end
+    if (@p2points>=4 and @p1points>=0 and (@p2points-@p1points)>=2)
+      result = "Win for " + @player2Name
+    end
+    result
+  end
+
+  def setp1Score(number)
+    (0..number).each do |i|
+        p1Score()
+    end
+  end
+
+  def setp2Score(number)
+    (0..number).each do |i|
+      p2Score()
+    end
+  end
+
+  def p1Score
+    @p1points +=1
+  end
+  
+  def p2Score
+    @p2points +=1
+  end
+end
+
+class TennisGameDefactored3
+  def initialize(player1Name, player2Name)
+    @p1N = player1Name
+    @p2N = player2Name
+    @p1 = 0
+    @p2 = 0
+  end
+      
+  def won_point(n)
+    if n == @p1N
+        @p1 += 1
+    else
+        @p2 += 1
+    end
+  end
+  
+  def score
+    if (@p1 < 4 and @p2 < 4)
+      p = ["Love", "Fifteen", "Thirty", "Forty"]
+      s = p[@p1]
+      @p1 == @p2 ? s + "-All" : s + "-" + p[@p2]
+    else
+      if (@p1 == @p2)
+        "Deuce"
+      else
+        s = @p1 > @p2 ? @p1N : @p2N
+        (@p1-@p2)*(@p1-@p2) == 1 ? "Advantage " + s : "Win for " + s
+      end
+    end
+  end
+end

Tennis/ruby/tennis_test.rb

@@ -0,0 +1,73 @@
+
+require_relative("tennis")
+require 'test/unit'
+
+TEST_CASES = [
+   [0, 0, "Love-All", 'player1', 'player2'],
+   [1, 1, "Fifteen-All", 'player1', 'player2'],
+   [2, 2, "Thirty-All", 'player1', 'player2'],
+   [3, 3, "Forty-All", 'player1', 'player2'],
+   [4, 4, "Deuce", 'player1', 'player2'],
+   
+   [1, 0, "Fifteen-Love", 'player1', 'player2'],
+   [0, 1, "Love-Fifteen", 'player1', 'player2'],
+   [2, 0, "Thirty-Love", 'player1', 'player2'],
+   [0, 2, "Love-Thirty", 'player1', 'player2'],
+   [3, 0, "Forty-Love", 'player1', 'player2'],
+   [0, 3, "Love-Forty", 'player1', 'player2'],
+   [4, 0, "Win for player1", 'player1', 'player2'],
+   [0, 4, "Win for player2", 'player1', 'player2'],
+   
+   [2, 1, "Thirty-Fifteen", 'player1', 'player2'],
+   [1, 2, "Fifteen-Thirty", 'player1', 'player2'],
+   [3, 1, "Forty-Fifteen", 'player1', 'player2'],
+   [1, 3, "Fifteen-Forty", 'player1', 'player2'],
+   [4, 1, "Win for player1", 'player1', 'player2'],
+   [1, 4, "Win for player2", 'player1', 'player2'],
+   
+   [3, 2, "Forty-Thirty", 'player1', 'player2'],
+   [2, 3, "Thirty-Forty", 'player1', 'player2'],
+   [4, 2, "Win for player1", 'player1', 'player2'],
+   [2, 4, "Win for player2", 'player1', 'player2'],
+   
+   [4, 3, "Advantage player1", 'player1', 'player2'],
+   [3, 4, "Advantage player2", 'player1', 'player2'],
+   [5, 4, "Advantage player1", 'player1', 'player2'],
+   [4, 5, "Advantage player2", 'player1', 'player2'],
+   [15, 14, "Advantage player1", 'player1', 'player2'],
+   [14, 15, "Advantage player2", 'player1', 'player2'],
+   
+   [6, 4, 'Win for player1', 'player1', 'player2'], 
+   [4, 6, 'Win for player2', 'player1', 'player2'], 
+   [16, 14, 'Win for player1', 'player1', 'player2'], 
+   [14, 16, 'Win for player2', 'player1', 'player2'], 
+
+   [6, 4, 'Win for One', 'One', 'player2'],
+   [4, 6, 'Win for Two', 'player1', 'Two'], 
+   [6, 5, 'Advantage One', 'One', 'player2'],
+   [5, 6, 'Advantage Two', 'player1', 'Two'] 
+]
+
+class TestTennis < Test::Unit::TestCase
+  def play_game(p1Points, p2Points, p1Name, p2Name)
+    # NOTE: Change this to the class you want to work on!
+    game = TennisGameDefactored1.new(p1Name, p2Name)
+    (0..[p1Points, p2Points].max).each do |i|
+      if i < p1Points
+        game.won_point(p1Name)
+      end
+      if i < p2Points
+        game.won_point(p2Name)
+      end
+    end
+    game
+  end
+
+  def test_Score
+    TEST_CASES.each do |testcase|
+      (p1Points, p2Points, score, p1Name, p2Name) = testcase
+      game = play_game(p1Points, p2Points, p1Name, p2Name)
+      assert_equal(score, game.score())
+    end
+  end
+end