test case for 1.6.4 geospatial indexing bug

test_geospatial.rb

# REPRO for Geospatial Indexing bug introduced in 1.6.4 (RC0).
# this works in MongoDB 1.6.3. But not in 1.6.4

require 'test/unit'
require 'mongo'

class TestBugRepro < Test::Unit::TestCase
  def setup
    # customize this connection if needed
    connection = Mongo::Connection.new
    puts "You are using MongoDB: #{connection.server_info['version']} (ruby driver #{Mongo::VERSION})"

    @tiles = connection.db("mongodb-repro")["tiles"]

    # clear existing data
    @tiles.drop

    # add some test data (on the x axis)
    @tiles.insert([{"letter"=>"S", "position"=>[-3, 0]}])
    @tiles.insert([{"letter"=>"C", "position"=>[-2, 0]}])
    @tiles.insert([{"letter"=>"R", "position"=>[-1, 0]}])
    @tiles.insert([{"letter"=>"A", "position"=>[0, 0]}])
    @tiles.insert([{"letter"=>"B", "position"=>[1, 0]}])
    @tiles.insert([{"letter"=>"B", "position"=>[2, 0]}])
    @tiles.insert([{"letter"=>"L", "position"=>[3, 0]}])
    @tiles.insert([{"letter"=>"E", "position"=>[4, 0]}])
  end

  # this works
  def test_geospatial_without_min_max
    @tiles.create_index([[:position, Mongo::GEO2D]])

    # run geospacial query
    result = @tiles.find({"position"=>{"$within"=> {"$box"=>[[-3, -1], [0, 1]]} }})
    assert_equal(4, result.count)
  end

  # this works
  def test_geospatial_with_min_max
    @tiles.create_index([[:position, Mongo::GEO2D]], :min=>-10_000_000, :max=>10_000_000)

    # run geospacial query
    result = @tiles.find({"position"=>{"$within"=> {"$box"=>[[-3, -1], [0, 1]]} }})
    assert_equal(4, result.count)
  end

  # this doesnt
  def test_geospatial_with_min_max_big
    @tiles.create_index([[:position, Mongo::GEO2D]], :min=>-100_000_000, :max=>100_000_000)

    # run geospacial query
    result = @tiles.find({"position"=>{"$within"=> {"$box"=>[[-3, -1], [0, 1]]} }})
    assert_equal(4, result.count)
  end


end