fixes for printtree, tox ini changes

1 files changed, 6 insertions, 0 deletions

diff --git a/fs/tests/__init__.py b/fs/tests/__init__.py
index 7af1476..2d9625d 100644
--- a/fs/tests/__init__.py
+++ b/fs/tests/__init__.py
@@ -63,6 +63,12 @@ class FSTestCases(object):
         self.assertEqual(self.fs.validatepath('foo/bar'), None)
         self.assert_(self.fs.isvalidpath('foo/bar'))
 
+    def test_tree(self):
+        """Test tree print"""
+        self.fs.makedir('foo')
+        self.fs.createfile('foo/bar.txt')
+        self.fs.tree()
+
     def test_meta(self):
         """Checks getmeta / hasmeta are functioning"""
         # getmeta / hasmeta are hard to test, since there is no way to validate