Trying to get round generation and fill figured out TDD style

rails/map-mash/app/controllers/mash_tournaments_controller.rb

@@ -41,7 +41,7 @@ class MashTournamentsController < ApplicationController
     )
 
     respond_to do |format|
-      if @mash_tournament.save
+      if @mash_tournament.save && @mash_tournament.create_rounds
         flash[:notice] = "Let's start mashing!"
         format.html { redirect_to :controller => 'mashes', :action => 'new' }
       else

rails/map-mash/app/models/mash_tournament.rb

@@ -3,7 +3,7 @@ class MashTournament < ActiveRecord::Base
   has_many :mashes
   has_many :rounds, :class_name => 'MashTournamentRound'
   #after_create :create_rounds
-  #after_save :maybe_fill_in_next_round
+  #after_save :fill_in_next_round
 
   def next_unplayed_mash
     self.mashes.unplayed.first
@@ -19,25 +19,38 @@ class MashTournament < ActiveRecord::Base
     )
   end
 
-  private
   def create_rounds
     n_contenders = Map.count
+
+    #ap "Original n_contenders = #{n_contenders}"
     while n_contenders % 4 != 0
       n_contenders -= 1
     end
 
-    round = 0
+    #ap "Resulting n_contenders divisible by 4 = #{n_contenders}"
+
+    round = 1
 
-    while n_contenders > 2
+    while n_contenders > 1
+      #ap "Generating round #{round}, n_contenders = #{n_contenders}"
       create_round(round, n_contenders)
       n_contenders = n_contenders / 2
       round += 1
     end
 
-    assign_maps_for_round_zero
     self.total_rounds = round - 1
   end
 
+  def fill_in_next_round
+    self.rounds.sort(&:number).each do |round|
+      if not round.done?
+        assign_maps_for_round(round)
+        return
+      end
+    end
+  end
+
+  private
   def create_round(round_number, n_contenders)
     round = MashTournamentRound.new(
       :mash_tournament_id => self.id,
@@ -54,15 +67,6 @@ class MashTournament < ActiveRecord::Base
     end
   end
 
-  def maybe_fill_in_next_round
-    self.rounds.sort(&:number).each do |round|
-      if not round.done?
-        assign_maps_for_round(round)
-        return
-      end
-    end
-  end
-
   def assign_maps_for_round(round)
     previous = MashTournamentRound.find_by_mash_tournament_id_and_number(
                   self.id, round.number - 1

rails/map-mash/db/migrate/20120304151123_create_maps.rb

@@ -2,18 +2,15 @@ class CreateMaps < ActiveRecord::Migration
   def self.up
     create_table :maps do |t|
       t.string :name, :null => false
-      t.integer :points, :default => 0
 
       t.timestamps
     end
 
     add_index :maps, [:name]
-    add_index :maps, [:points]
   end
 
   def self.down
     remove_index :maps, [:name]
-    remove_index :maps, [:points]
     drop_table :maps
   end
 end

rails/map-mash/db/schema.rb

@@ -12,14 +12,12 @@
 ActiveRecord::Schema.define(:version => 20120310035133) do
 
   create_table "maps", :force => true do |t|
-    t.string   "name",                      :null => false
-    t.integer  "points",     :default => 0
+    t.string   "name",       :null => false
     t.datetime "created_at"
     t.datetime "updated_at"
   end
 
   add_index "maps", ["name"], :name => "index_maps_on_name"
-  add_index "maps", ["points"], :name => "index_maps_on_points"
 
   create_table "mash_tournament_rounds", :force => true do |t|
     t.integer  "mash_tournament_id"

rails/map-mash/spec/blueprints.rb

@@ -3,9 +3,13 @@ require 'sham'
 require 'faker'
 
 
+Sham.location do
+  "#{Faker::Address.city}, #{Faker::Address.uk_country}"
+end
 
-Map.blueprint do
 
+Map.blueprint do
+  name { Sham.location }
 end
 
 
@@ -25,5 +29,11 @@ end
 
 
 Requester.blueprint do
-
+  ip do
+    parts = []
+    4.times do
+      parts << (rand * 100).to_i.to_s
+    end
+    parts.join('.')
+  end
 end

rails/map-mash/spec/models/mash_tournament_spec.rb

@@ -2,12 +2,32 @@ require 'spec_helper'
 
 describe MashTournament do
   before(:each) do
-    @valid_attributes = {
-      :requester_id => 1
-    }
+    @valid_attributes = {:requester_id => 1}
   end
 
   it "should create a new instance given valid attributes" do
     MashTournament.create!(@valid_attributes)
   end
+
+  context 'creating rounds' do
+    before(:all) do
+      Map.destroy_all
+      8.times do
+        Map.make.save
+      end
+      @requester = Requester.make
+      @requester.save!
+    end
+
+    before(:each) do
+      subject.requester_id = @requester.id
+      subject.save!
+      subject.reload
+    end
+
+    it 'should create 3 rounds for 8 contenders' do
+      subject.create_rounds
+      subject.total_rounds.should == 3
+    end
+  end
 end