add test ensuring we can still parse deprecated styling properties

tests/data/deprecated_maps/marker-type.xml

@@ -0,0 +1,7 @@
+<Map>
+<Style name="deprecated">
+<Rule>
+  <MarkersSymbolizer marker-type="ellipse" />
+</Rule>
+</Style>
+</Map>

tests/python_tests/load_map_test.py

@@ -37,6 +37,27 @@ def test_broken_files():
     eq_(len(failures),0,'\n'+'\n'.join(failures))
     mapnik.logger.set_severity(default_logging_severity)
 
+def test_can_parse_xml_with_deprecated_properties():
+    default_logging_severity = mapnik.logger.get_severity()
+    mapnik.logger.set_severity(mapnik.severity_type.None)
+    broken_files = glob.glob("../data/deprecated_maps/*.xml")
+
+    failures = [];
+    for filename in broken_files:
+        try:
+            m = mapnik.Map(512, 512)
+            strict = True
+            mapnik.load_map(m, filename, strict)
+            base_path = os.path.dirname(filename)
+            mapnik.load_map_from_string(m,open(filename,'rb').read(),strict,base_path)
+        except RuntimeError, e:
+            # only test datasources that we have installed
+            if not 'Could not create datasource' in str(e) \
+               and not 'Bad connection' in str(e):
+                failures.append('Failed to load valid map %s (%s)' % (filename,e))
+    eq_(len(failures),0,'\n'+'\n'.join(failures))
+    mapnik.logger.set_severity(default_logging_severity)
+
 def test_good_files():
     good_files = glob.glob("../data/good_maps/*.xml")
     good_files.extend(glob.glob("../visual_tests/styles/*.xml"))