More work on verifying tournament round generation

This commit is contained in:
Dan Buch 2012-03-10 22:08:22 -05:00
parent e1f1aa6038
commit 5cf5a8035d
2 changed files with 34 additions and 21 deletions

View File

@ -2,7 +2,6 @@ class MashTournament < ActiveRecord::Base
belongs_to :requester belongs_to :requester
has_many :mashes has_many :mashes
has_many :rounds, :class_name => 'MashTournamentRound' has_many :rounds, :class_name => 'MashTournamentRound'
#after_create :create_rounds
#after_save :fill_in_next_round #after_save :fill_in_next_round
def next_unplayed_mash def next_unplayed_mash
@ -19,20 +18,21 @@ class MashTournament < ActiveRecord::Base
) )
end end
def create_rounds def valid_number_of_contenders?(n_contenders)
n_contenders = Map.count [8, 16, 32, 64, 128].include?(n_contenders)
#ap "Original n_contenders = #{n_contenders}"
while n_contenders % 4 != 0
n_contenders -= 1
end end
#ap "Resulting n_contenders divisible by 4 = #{n_contenders}" def create_rounds(n_contenders)
if not valid_number_of_contenders?(n_contenders)
raise StandardError.new(
"The number of contenders must be 8, 16, 32, 64, or 128! " +
"Got '#{n_contenders}'"
)
end
round = 1 round = 1
while n_contenders > 1 while n_contenders > 1
#ap "Generating round #{round}, n_contenders = #{n_contenders}"
create_round(round, n_contenders) create_round(round, n_contenders)
n_contenders = n_contenders / 2 n_contenders = n_contenders / 2
round += 1 round += 1

View File

@ -5,29 +5,42 @@ describe MashTournament do
@valid_attributes = {:requester_id => 1} @valid_attributes = {:requester_id => 1}
end end
it "should create a new instance given valid attributes" do before(:each) 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 = Requester.make
@requester.save! @requester.save!
end
before(:each) do
subject.requester_id = @requester.id subject.requester_id = @requester.id
subject.save! subject.save!
subject.reload subject.reload
end end
it 'should create 3 rounds for 8 contenders' do it "should create a new instance given valid attributes" do
subject.create_rounds MashTournament.create!(@valid_attributes)
subject.total_rounds.should == 3 end
context 'creating rounds' do
it 'should reject invalid numbers of contenders' do
[11, 24, 40].each do |n|
expect do
subject.create_rounds(n)
end.to raise_error
end
end
before(:all) do
Map.destroy_all
40.times do
Map.make.save
end
end
[[8, 3], [16, 4], [32, 5]].each do |n_contenders,n_rounds|
context "for #{n_contenders} total contenders" do
it "should create #{n_rounds} rounds" do
subject.create_rounds(n_contenders)
subject.total_rounds.should == n_rounds
end
end
end end
end end
end end