[Qemu-devel] [PATCH 19/22] iotests: add VM.test_launcn()

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

Test vm can launch and print output in case of fail. This function is
needed for testing erroneous cases

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 tests/qemu-iotests/iotests.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 6807b07..187b434 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -226,6 +226,26 @@ class VM(object):
             os.remove(self._monitor_path)
             raise
 
+    def test_launch(self):
+        '''Launch the VM, an error is expected'''
+        try:
+            self.launch()
+        except:
+            self._popen.wait()
+            regex = re.compile(r"qemu-system-\w+")
+            print "Test launch failed: %d" % self._popen.returncode
+            print "--- qemu output ---"
+            for line in open(self._qemu_log_path):
+                #filter qtest comments
+                if not "] OPENED" in line:
+                    print regex.sub("qemu-system-*", line)
+            print "--- end qemu output ---"
+            return False
+
+        print "Tast launch successed!"
+        self.shutdown()
+        return True
+
     def shutdown(self):
         '''Terminate the VM and clean up'''
         if not self._popen is None:
-- 
1.8.3.1