From: Brian Warner <warner@lothar.com>
Date: Fri, 12 Sep 2014 19:55:52 +0000 (-0700)
Subject: test_disk_stats: tolerate used==0 for a Travis worker bug
X-Git-Tag: allmydata-tahoe-1.10.1a1~135
X-Git-Url: https://git.rkrishnan.org/components/com_hotproperty/simplejson/somewhere?a=commitdiff_plain;h=38668c9e35a9f27123f05d3726e12263248996e6;p=tahoe-lafs%2Ftahoe-lafs.git

test_disk_stats: tolerate used==0 for a Travis worker bug

Some Travis-CI workers report persistently empty disks, causing spurious
test failures. It's not really that important to assert used>0, so this
relaxes the test.

Closes ticket:2290
---

diff --git a/src/allmydata/test/test_util.py b/src/allmydata/test/test_util.py
index b527771d..2a5ba199 100644
--- a/src/allmydata/test/test_util.py
+++ b/src/allmydata/test/test_util.py
@@ -519,7 +519,8 @@ class FileUtil(unittest.TestCase):
 
         disk = fileutil.get_disk_stats('.', 2**13)
         self.failUnless(disk['total'] > 0, disk['total'])
-        self.failUnless(disk['used'] > 0, disk['used'])
+        # we tolerate used==0 for a Travis-CI bug, see #2290
+        self.failUnless(disk['used'] >= 0, disk['used'])
         self.failUnless(disk['free_for_root'] > 0, disk['free_for_root'])
         self.failUnless(disk['free_for_nonroot'] > 0, disk['free_for_nonroot'])
         self.failUnless(disk['avail'] > 0, disk['avail'])