[svn r38121] Same issue. Race conditions in file write. Probably we should not use

the same file output for multiple tests (or to put data directory outside
pylib itself).

--HG--
branch : trunk

py/rest/testing/test_directive.py

@@ -11,7 +11,8 @@ from py.__.rest.latex import process_rest_file
 datadir = py.magic.autopath().dirpath().join("data")
 testdir = py.test.ensuretemp("rest")
 
-def test_graphviz_html():
+class TestGraphviz(object):
+    def _graphviz_html(self):
         if not py.path.local.sysfind("dot"):
             py.test.skip("graphviz needed")
         directive.set_backend_and_register_directives("html")
@@ -28,7 +29,7 @@ def test_graphviz_html():
         html.remove()
         png.remove()
         
-def test_graphviz_pdf():
+    def _graphviz_pdf(self):
         if not py.path.local.sysfind("dot") or not py.path.local.sysfind("latex"):
             py.test.skip("graphviz and latex needed")
 
@@ -42,6 +43,10 @@ def test_graphviz_pdf():
         pdf.remove()
         dotpdf.remove()
 
+    def test_graphviz(self):
+        self._graphviz_html()
+        self._graphviz_pdf()
+
 def test_own_links():
     def callback(name, text):
         assert name == "foo"