Moved GreenPipe context unit test into separate file. Skip that test in Python versions less than 2.5

tests/greenio_test.py

@@ -483,26 +483,6 @@ class TestGreenIo(LimitedTestCase):
 
         gt.wait()
 
-    def test_pipe_context(self):
-        # ensure using a pipe as a context actually closes it.
-        r, w = os.pipe()
-
-        r = os.fdopen(r)
-        w = os.fdopen(w, 'w')
-
-        r = greenio.GreenPipe(r)
-        w = greenio.GreenPipe(w)
-
-        with r:
-            pass
-
-        assert r.closed and not w.closed
-
-        with w as f:
-            assert f == w
-
-        assert r.closed and w.closed
-
 
 class TestGreenIoLong(LimitedTestCase):
     TEST_TIMEOUT=10  # the test here might take a while depending on the OS

tests/greenpipe_test_with_statement.py

@@ -0,0 +1,28 @@
+from __future__ import with_statement
+
+import os
+
+from tests import LimitedTestCase
+
+from eventlet import greenio
+
+class TestGreenPipeWithStatement(LimitedTestCase):
+    def test_pipe_context(self):
+        # ensure using a pipe as a context actually closes it.
+        r, w = os.pipe()
+
+        r = os.fdopen(r)
+        w = os.fdopen(w, 'w')
+
+        r = greenio.GreenPipe(r)
+        w = greenio.GreenPipe(w)
+
+        with r:
+            pass
+
+        assert r.closed and not w.closed
+
+        with w as f:
+            assert f == w
+
+        assert r.closed and w.closed

tests/nosewrapper.py

@@ -10,7 +10,7 @@ if parent_dir not in sys.path:
 
 # hacky hacks: skip test__api_timeout when under 2.4 because otherwise it SyntaxErrors
 if sys.version_info < (2,5):
-    argv = sys.argv + ["--exclude=.*timeout_test_with_statement.*"]
+    argv = sys.argv + ["--exclude=.*_with_statement.*"]
 else:
     argv = sys.argv