From 8c28621bab568997235e6bb1851544468c1d898f Mon Sep 17 00:00:00 2001
From: Clark Boylan <clark.boylan@gmail.com>
Date: Fri, 6 Dec 2013 12:57:07 -0800
Subject: [PATCH] If zero tests run fail the job.

If testr ran zero tests treat that as a failing job. At least one test
should run in every Jenkins Job running testr. Failure to do that is a
job Failure.

Change-Id: I414def2db856d48f24cdc7f61437a66543e28258
---
 modules/jenkins/files/slave_scripts/run-unittests.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/modules/jenkins/files/slave_scripts/run-unittests.sh b/modules/jenkins/files/slave_scripts/run-unittests.sh
index 3eabe42571..1dc12fc9c7 100755
--- a/modules/jenkins/files/slave_scripts/run-unittests.sh
+++ b/modules/jenkins/files/slave_scripts/run-unittests.sh
@@ -48,6 +48,17 @@ if [ -d ".testrepository" ] ; then
     .tox/$venv/bin/python /usr/local/jenkins/slave_scripts/subunit2html.py ./subunit_log.txt testr_results.html
     gzip -9 ./subunit_log.txt
     gzip -9 ./testr_results.html
+
+    export PYTHON=.tox/$venv/bin/python
+    set -e
+    rancount=$(.tox/$venv/bin/testr last | sed -ne 's/Ran \([0-9]\+\).*tests in.*/\1/p')
+    if [ "$rancount" -eq "0" ] ; then
+        echo
+        echo "Zero tests were run. At least one test should have been run."
+        echo "Failing this test as a result"
+        echo
+        exit 1
+    fi
 fi
 
 sudo /usr/local/jenkins/slave_scripts/jenkins-sudo-grep.sh post