Fix test_topojson

Author: Martin Journois

folium/features.py

@@ -276,7 +276,7 @@ def style_data(self):
         for feature in self.data['features']:
             feature.setdefault('properties',{}).setdefault('style',{}).update(
                 self.style_function(feature))
-        return json.dumps(self.data)
+        return json.dumps(self.data, sort_keys=True)
 
     def _get_self_bounds(self):
         """Computes the bounds of the object itself (not including it's children)
@@ -353,7 +353,7 @@ def recursive_get(data, keys):
         for feature in geometries:
             feature.setdefault('properties',{}).setdefault('style',{}).update(
                 self.style_function(feature))
-        return json.dumps(self.data)
+        return json.dumps(self.data, sort_keys=True)
 
     def render(self, **kwargs):
         super(TopoJson, self).render(**kwargs)
@@ -373,11 +373,9 @@ def _get_self_bounds(self):
         if not self.embed:
             raise ValueError('Cannot compute bounds of non-embedded TopoJSON.')
 
-        data = json.loads(self.data)
-
         xmin,xmax,ymin,ymax = None, None, None, None
 
-        for arc in data['arcs']:
+        for arc in self.data['arcs']:
             x,y = 0,0
             for dx, dy in arc:
                 x += dx
@@ -388,12 +386,12 @@ def _get_self_bounds(self):
                 ymax = none_max(y, ymax)
         return [
             [
-                data['transform']['translate'][0] + data['transform']['scale'][0] * xmin,
-                data['transform']['translate'][1] + data['transform']['scale'][1] * ymin,
+                self.data['transform']['translate'][0] + self.data['transform']['scale'][0] * xmin,
+                self.data['transform']['translate'][1] + self.data['transform']['scale'][1] * ymin,
             ],
             [
-                data['transform']['translate'][0] + data['transform']['scale'][0] * xmax,
-                data['transform']['translate'][1] + data['transform']['scale'][1] * ymax,
+                self.data['transform']['translate'][0] + self.data['transform']['scale'][0] * xmax,
+                self.data['transform']['translate'][1] + self.data['transform']['scale'][1] * ymax,
             ]
 
         ]