Truncate Mapbox query at semicolon.

Fixes #1299.

lib/geocoder/lookups/mapbox.rb

@@ -36,7 +36,9 @@ module Geocoder::Lookup
         lat,lon = query.coordinates
         "#{CGI.escape lon},#{CGI.escape lat}"
       else
-        CGI.escape query.text.to_s
+        # truncate at first semicolon so Mapbox doesn't go into batch mode
+        # (see Github issue #1299)
+        CGI.escape query.text.to_s.split(';').first.to_s
       end
     end
 

test/unit/lookups/mapbox_test.rb

@@ -44,4 +44,9 @@ class MapboxTest < GeocoderTestCase
       Geocoder.search("invalid api key")
     end
   end
+
+  def test_truncates_query_at_semicolon
+    result = Geocoder.search("Madison Square Garden, New York, NY;123 Another St").first
+    assert_equal [40.749688, -73.991566], result.coordinates
+  end
 end