src/linux/integration-test: Do not crash on absent _outcomeForDoCleanups

unittest.TestCase unfortunately does not have any public API to check whether
a test case succeeded, so we use the private self._outcomeForDoCleanups. This
does not seem to exist every time, so avoid a crash if it doesn't.

1 files changed, 12 insertions, 5 deletions

diff --git a/src/linux/integration-test b/src/linux/integration-test
index cc2b329..871d5e8 100755
--- a/src/linux/integration-test
+++ b/src/linux/integration-test
@@ -88,11 +88,18 @@ class Tests(unittest.TestCase):
         shutil.rmtree(self.sysfs)
 
         # on failures, print daemon log
-        if not self._outcomeForDoCleanups.success:
-            with open(self.log.name) as f:
-                sys.stderr.write('\n-------------- daemon log: ----------------\n')
-                sys.stderr.write(f.read())
-                sys.stderr.write('------------------------------\n')
+        try:
+            if self._outcomeForDoCleanups.success:
+                return
+        except AttributeError:
+            # _outcomeForDoCleanups is a private member which seems to be a bit
+            # unreliable; if it does not exist, just ignore it
+            return
+
+        with open(self.log.name) as f:
+            sys.stderr.write('\n-------------- daemon log: ----------------\n')
+            sys.stderr.write(f.read())
+            sys.stderr.write('------------------------------\n')
 
     #
     # Methods for fake sysfs