oeqa/selftest/runcmd: Add better debug for thread count mismatch failures

(From OE-Core rev: 773f97c6f56ed98a7b0821358d7435ed3ea7a3d6)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit d15d0177d328fa3a126b9942bda177f6fae68505)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 5 insertions, 4 deletions

diff --git a/meta/lib/oeqa/selftest/cases/runcmd.py b/meta/lib/oeqa/selftest/cases/runcmd.py
index 3755764ee7..a5ef1ea95f 100644
--- a/meta/lib/oeqa/selftest/cases/runcmd.py
+++ b/meta/lib/oeqa/selftest/cases/runcmd.py
@@ -81,7 +81,7 @@ class RunCmdTests(OESelftestTestCase):
         self.assertEqual(result.status, -signal.SIGTERM)
         end = time.time()
         self.assertLess(end - start, self.TIMEOUT + self.DELTA)
-        self.assertEqual(numthreads, threading.active_count())
+        self.assertEqual(numthreads, threading.active_count(), msg="Thread counts were not equal before (%s) and after (%s), active threads: %s" % (numthreads, threading.active_count(), threading.enumerate()))
 
     def test_timeout_split(self):
         numthreads = threading.active_count()
@@ -91,13 +91,14 @@ class RunCmdTests(OESelftestTestCase):
         self.assertEqual(result.status, -signal.SIGTERM)
         end = time.time()
         self.assertLess(end - start, self.TIMEOUT + self.DELTA)
-        self.assertEqual(numthreads, threading.active_count())
+        self.assertEqual(numthreads, threading.active_count(), msg="Thread counts were not equal before (%s) and after (%s), active threads: %s" % (numthreads, threading.active_count(), threading.enumerate()))
 
     def test_stdin(self):
         numthreads = threading.active_count()
         result = runCmd("cat", data=b"hello world", timeout=self.TIMEOUT)
         self.assertEqual("hello world", result.output)
-        self.assertEqual(numthreads, threading.active_count())
+        self.assertEqual(numthreads, threading.active_count(), msg="Thread counts were not equal before (%s) and after (%s), active threads: %s" % (numthreads, threading.active_count(), threading.enumerate()))
+        self.assertEqual(numthreads, 1)
 
     def test_stdin_timeout(self):
         numthreads = threading.active_count()
@@ -106,7 +107,7 @@ class RunCmdTests(OESelftestTestCase):
         self.assertEqual(result.status, -signal.SIGTERM)
         end = time.time()
         self.assertLess(end - start, self.TIMEOUT + self.DELTA)
-        self.assertEqual(numthreads, threading.active_count())
+        self.assertEqual(numthreads, threading.active_count(), msg="Thread counts were not equal before (%s) and after (%s), active threads: %s" % (numthreads, threading.active_count(), threading.enumerate()))
 
     def test_log(self):
         log = MemLogger()