Parametrize test_docs.py.

tests/test_docs.py

@@ -1,7 +1,6 @@
 import os
 import fnmatch
 import subprocess
-from unittest import TestCase
 
 import pytest
 
@@ -18,7 +17,20 @@ def has_docutils():
         return False
 
 
-def validate_rst(filename):
+def rst_filenames():
+    for root, dirnames, filenames in os.walk(os.path.dirname(TESTS_ROOT)):
+        if '.tox' not in root:
+            for filename in fnmatch.filter(filenames, '*.rst'):
+                yield os.path.join(root, filename)
+
+
+filenames = list(rst_filenames())
+assert filenames
+
+
+@pytest.mark.skipif(not has_docutils(), reason='docutils not installed')
+@pytest.mark.parametrize('filename', filenames)
+def test_rst_files_syntax(filename):
     p = subprocess.Popen(
         ['rst2pseudoxml.py', '--report=1', '--exit-status=1', filename],
          stderr=subprocess.PIPE,
@@ -26,20 +38,3 @@ def validate_rst(filename):
     )
     err = p.communicate()[1]
     assert p.returncode == 0, err
-
-
-def rst_files():
-    for root, dirnames, filenames in os.walk(os.path.dirname(TESTS_ROOT)):
-        if '.tox' not in root:
-            for filename in fnmatch.filter(filenames, '*.rst'):
-                yield os.path.join(root, filename)
-
-
-@pytest.mark.skipif(not has_docutils(), reason='docutils not installed')
-class RSTTest(TestCase):
-
-    def test_rst_files_syntax(self):
-        paths = list(rst_files())
-        assert paths, 'no .rst files found, which is weird'
-        for path in paths:
-            validate_rst(path)

tox.ini

@@ -12,6 +12,7 @@ skipsdist = True
 
 
 [testenv]
+
 whitelist_externals =
     py.test