update a few expected images

tests/python_tests/image_filters_test.py

@@ -50,7 +50,7 @@ if 'shape' in mapnik.DatasourceCache.plugin_names():
             actual = '/tmp/mapnik-style-image-filter-' + filename + '.png'
             expected = 'images/style-image-filter/' + filename + '.png'
             im.save(actual,"png32")
-            if not os.path.exists(expected):
+            if not os.path.exists(expected) or os.environ.get('UPDATE'):
                 print 'generating expected test image: %s' % expected
                 im.save(expected,'png32')
             expected_im = mapnik.Image.open(expected)

tests/python_tests/markers_complex_rendering_test.py

@@ -19,11 +19,12 @@ if 'csv' in mapnik.DatasourceCache.plugin_names():
         actual = '/tmp/mapnik-marker-ellipse-render1.png'
         expected = 'images/support/mapnik-marker-ellipse-render1.png'
         im.save(actual,'png32')
+        if os.environ.get('UPDATE'):
+            im.save(expected,'png32')
         expected_im = mapnik.Image.open(expected)
         eq_(im.tostring('png32'),expected_im.tostring('png32'), 'failed comparing actual (%s) and expected (%s)' % (actual,'tests/python_tests/'+ expected))
 
     def test_marker_ellipse_render2():
-        # currently crashes https://github.com/mapnik/mapnik/issues/1365
         m = mapnik.Map(256,256)
         mapnik.load_map(m,'../data/good_maps/marker_ellipse_transform2.xml')
         m.zoom_all()
@@ -32,6 +33,8 @@ if 'csv' in mapnik.DatasourceCache.plugin_names():
         actual = '/tmp/mapnik-marker-ellipse-render2.png'
         expected = 'images/support/mapnik-marker-ellipse-render2.png'
         im.save(actual,'png32')
+        if os.environ.get('UPDATE'):
+            im.save(expected,'png32')
         expected_im = mapnik.Image.open(expected)
         eq_(im.tostring('png32'),expected_im.tostring('png32'), 'failed comparing actual (%s) and expected (%s)' % (actual,'tests/python_tests/'+ expected))