From a8cfd54871640bf4bcceafc9ae82ffaa33feda48 Mon Sep 17 00:00:00 2001
From: palaviv <palaviv@gmail.com>
Date: Sat, 19 Mar 2016 21:23:49 +0200
Subject: [PATCH] added test for None in idmaker

---
 testing/python/metafunc.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/testing/python/metafunc.py b/testing/python/metafunc.py
index faa687f40..75bd350c3 100644
--- a/testing/python/metafunc.py
+++ b/testing/python/metafunc.py
@@ -258,6 +258,13 @@ class TestMetafunc:
                           "three-b2",
                          ]
 
+    def test_idmaker_with_ids(self):
+        from _pytest.python import idmaker
+        result = idmaker(("a", "b"), [(1, 2),
+                                      (3, 4)],
+                         ids=["a", None])
+        assert result == ["a", "3-4"]
+
     def test_addcall_and_parametrize(self):
         def func(x, y): pass
         metafunc = self.Metafunc(func)