# encoding: utf-8
#
require 'spec_helper'

describe "Weights" do

  # This tests the weights option.
  #
  it 'can handle dynamic weights' do
    index = Picky::Index.new :dynamic_weights do
      source { [] }
      category :text1, weights: Picky::Weights::Constant.new
      category :text2, weights: Picky::Weights::Constant.new(3.14)
      category :text3, weights: Picky::Weights::Dynamic.new { |str_or_sym| str_or_sym.size }
      category :text4 # Default
    end

    require 'ostruct'

    thing = OpenStruct.new id: 1, text1: "ohai", text2: "hello", text3: "world", text4: "kthxbye"
    other = OpenStruct.new id: 2, text1: "",     text2: "",      text3: "",      text4: "kthxbye"

    index.add thing
    index.add other

    try = Picky::Search.new index

    try.search("text1:ohai").allocations.first.score.should    == 0.0
    try.search("text2:hello").allocations.first.score.should   == 3.14
    try.search("text3:world").allocations.first.score.should   == 5
    try.search("text4:kthxbye").allocations.first.score.should == 0.693

    try_with_boosts = Picky::Search.new index do
      boost [:text1] => +7.65,
            [:text2] => +1.86
    end

    try_with_boosts.search("text1:ohai").allocations.first.score.should  == 7.65
    try_with_boosts.search("text2:hello").allocations.first.score.should == 5.00
  end

end