From cf7c0a7c10723495953be9bf99aedbe3838e0787 Mon Sep 17 00:00:00 2001
From: Matt Stephenson <mattstep@mattstep.net>
Date: Tue, 3 Apr 2012 14:38:09 -0700
Subject: Get unit tests functional in OS X

* Add detection for directio to ensure the python runtime is built with O_DIRECT
* Extend stubbing in test_libvirt to also stub out _supports_direct_io

Change-Id: Id793d4039311396f0b3c3a52d2a1d951ec3c5e48
---
 nova/virt/libvirt/connection.py | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'nova/virt')

diff --git a/nova/virt/libvirt/connection.py b/nova/virt/libvirt/connection.py
index ac286a768..d1a2d0bfa 100644
--- a/nova/virt/libvirt/connection.py
+++ b/nova/virt/libvirt/connection.py
@@ -984,7 +984,13 @@ class LibvirtConnection(driver.ComputeDriver):
 
     @staticmethod
     def _supports_direct_io(dirpath):
+
+        if not hasattr(os, 'O_DIRECT'):
+            LOG.debug("This python runtime does not support direct I/O")
+            return False
+
         testfile = os.path.join(dirpath, ".directio.test")
+
         hasDirectIO = True
         try:
             f = os.open(testfile, os.O_CREAT | os.O_WRONLY | os.O_DIRECT)
-- 
cgit