after cosiderations and tests it is better to change the orders of the bars instead of the legend. This is probably more of what a user would expect. fixes #55 all tests are passing

pygal/graph/horizontalbar.py

@@ -27,17 +27,10 @@ from pygal.util import cached_property
 class HorizontalBar(HorizontalGraph, Bar):
     """Horizontal Bar graph"""
 
-    @cached_property
-    def _legends(self):
-        """Getter for series title"""
-        return [serie.title for serie in self.series][::-1]
-
-
     def _plot(self):
-        for index, serie in enumerate(self.series):
+        for index, serie in enumerate(self.series[::-1]):
             num = len(self.series) - index - 1
             self.bar(self._serie(num), serie, index)
-        for index, serie in enumerate(self.secondary_series, len(self.series)):
-            #XXX
-            self.bar(self._serie(index), serie, index, True)
-
+        for index, serie in enumerate(self.secondary_series[::-1]):
+            num = len(self.secondary_series) + len(self.series) - index -1
+            self.bar(self._serie(num), serie, index + len(self.series), True)

pygal/test/test_graph.py

@@ -43,7 +43,10 @@ def test_render_to_file(Chart, datas):
     chart.render_to_file(file_name)
     with open(file_name) as f:
         assert 'pygal' in f.read()
-    os.remove(file_name)
+    if Chart == pygal.HorizontalBar:
+        pass
+    else:
+        os.remove(file_name)
 
 
 def test_render_to_png(Chart, datas):

setup.py

@@ -17,9 +17,24 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with pygal. If not, see <http://www.gnu.org/licenses/>.
-import os
+import os, sys
 import re
+
 from setuptools import setup, find_packages
+from setuptools.command.test import test as TestCommand
+
+
+class PyTest(TestCommand):
+    def finalize_options(self):
+        TestCommand.finalize_options(self)
+        self.test_args = []
+        self.test_suite = True
+    def run_tests(self):
+        #import here, cause outside the eggs aren't loaded
+        import pytest
+        errno = pytest.main(self.test_args)
+        sys.exit(errno)
+
 
 ROOT = os.path.dirname(__file__)
 with open(os.path.join(ROOT, 'pygal', '__init__.py')) as fd:
@@ -40,6 +55,7 @@ setup(
     keywords=[
         "svg", "chart", "graph", "diagram", "plot", "histogram", "kiviat"],
     tests_require=["pytest", "pyquery", "flask", "cairosvg"],
+    cmdclass = {'test': PyTest},
     package_data={'pygal': ['css/*', 'graph/worldmap.svg']},
     install_requires=['lxml'],
     classifiers=[