Merge branch 'fix_existing_tests' into polylines_support

Gemfile

@@ -1,3 +1,4 @@
 source :rubygems
 
 gem 'nokogiri'
+gem 'polylines'

Gemfile.lock

@@ -4,9 +4,14 @@ GEM
     mini_portile (0.5.0)
     nokogiri (1.6.0)
       mini_portile (~> 0.5.0)
+    polylines (0.3.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   nokogiri
+  polylines
+
+BUNDLED WITH
+   1.12.5

lib/google_directions.rb

@@ -3,6 +3,7 @@
 require 'net/http'
 require 'open-uri'
 require 'nokogiri'
+require 'polylines'
 
 class GoogleDirections
 
@@ -87,6 +88,14 @@ def steps
     end
   end
 
+  def polylines
+    @doc.css('polyline').map{|poly| poly.text.strip}
+  end
+
+  def polylines_as_points
+    polylines.map{|poly| Polylines::Decoder.decode_polyline(poly)}.flatten(1).uniq
+  end
+
   private
 
     def convert_to_minutes(text)

test/unit/google_directions_test.rb

@@ -54,4 +54,15 @@ def test_zero_distance_text
     directions = GoogleDirections.new("27 Beemdenlaan, 2550 Kontich", "499 Gordonsville Highway, 38563")
     assert_equal "0 km", directions.distance_text
   end
+
+  def test_polylines_length
+    directions = GoogleDirections.new("Place du Maquis du Vercors PARIS-19EME", "rue poissoniere 75002 paris")
+    assert_equal 15, directions.polylines.length
+  end
+
+  def test_polylines_as_points_length
+    directions = GoogleDirections.new("Place du Maquis du Vercors PARIS-19EME", "rue poissoniere 75002 paris")
+    assert_equal 279, directions.polylines_as_points.length
+  end
+
 end