require 'spec_helper'

describe Cacher::Partial::Subtoken do
  
  context 'default down_to' do
    before(:each) do
      @cacher = Cacher::Partial::Subtoken.new
    end
    describe 'down_to' do
      it 'should return the right value' do
        @cacher.down_to.should == 1
      end
    end
    describe 'generate_from' do
      it 'should generate the right index' do
        @cacher.generate_from( :florian => [1], :flavia => [2] ).should == {
          :florian => [1],
          :floria => [1],
          :flori => [1],
          :flor => [1],
          :flo => [1],
          :fl => [1, 2],
          :f => [1, 2], 
          :flavia => [2],
          :flavi => [2],
          :flav => [2],
          :fla => [2]
        }
      end
    end
  end
  context 'down_to set' do
    context 'default starting_at' do
      before(:each) do
        @cacher = Cacher::Partial::Subtoken.new :down_to => 4
      end
      describe 'starting_at' do
        it 'should return the right value' do
          @cacher.starting_at.should == 0
        end
      end
      describe 'down_to' do
        it 'should return the right value' do
          @cacher.down_to.should == 4
        end
      end
      describe 'generate_from' do
        it 'should generate the right index' do
          @cacher.generate_from( :florian => [1], :flavia => [2] ).should == {
            :florian => [1],
            :floria => [1],
            :flori => [1],
            :flor => [1],
            :flavia => [2],
            :flavi => [2],
            :flav => [2]
          }
        end
      end
    end
    context 'starting_at -1' do
      before(:each) do
        @cacher = Cacher::Partial::Subtoken.new :down_to => 4, :starting_at => -1
      end
      describe 'starting_at' do
        it 'should return the right value' do
          @cacher.starting_at.should == -2
        end
      end
      describe 'down_to' do
        it 'should return the right value' do
          @cacher.down_to.should == 4
        end
      end
      describe 'generate_from' do
        it 'should generate the right index' do
          @cacher.generate_from( :florian => [1], :flavia => [2] ).should == {
            :floria => [1],
            :flori => [1],
            :flor => [1],
            :flavi => [2],
            :flav => [2]
          }
        end
      end
    end
  end
  
end