geo_find.rb

  context 'geo finding' do

    before :all do
      @location_one   = Factory.build(:location, :lat => 42.000000, :lng => 0.000000)
      @location_two   = Factory.create(:location, :lat => 42.000000, :lng => 0.050000) # 4.14km's from location one
      @location_three = Factory.create(:location, :lat => 42.000000, :lng => 0.100000) # 8.29km's from location one
    end

    after :all do
      Location.delete_all
    end

    it 'should match multiple locations given a range' do
      Location.within(10, :origin => @location_one).size.should == 2
    end

    it 'should only match locations that are closer than the range given' do
      Location.within(5, :origin => @location_one).should     include @location_two
      Location.within(5, :origin => @location_one).should_not include @location_three
    end

    it 'should return zero reults if no locations are within range' do
      Location.within(4, :origin => @location_one).should be_blank
    end

  end