Allowing 'os.devnull' in Sandbox, fixes #101

--HG--
branch : distribute
extra : rebase_source : d6f63794621874eb637139f353314256e02e02df

1 files changed, 28 insertions, 0 deletions

diff --git a/setuptools/tests/test_sandbox.py b/setuptools/tests/test_sandbox.py
new file mode 100644
index 00000000..1b0dc4ea
--- /dev/null
+++ b/setuptools/tests/test_sandbox.py
@@ -0,0 +1,28 @@
+"""develop tests
+"""
+import sys
+import os
+import shutil
+import unittest
+import tempfile
+
+from setuptools.sandbox import DirectorySandbox
+
+class TestSandbox(unittest.TestCase):
+
+    def setUp(self):
+        self.dir = tempfile.mkdtemp()
+
+    def tearDown(self):
+        shutil.rmtree(self.dir)
+
+    def test_devnull(self):
+        sandbox = DirectorySandbox(self.dir)
+
+        def _write():
+            f = open(os.devnull, 'w')
+            f.write('xxx')
+            f.close()
+
+        sandbox.run(_write)
+