1 files changed, 21 insertions, 0 deletions
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 3a8f378f90..709def4d5d 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -165,6 +165,13 @@ def qemu_io_silent(*args):
                          (-exitcode, ' '.join(args)))
     return exitcode
 
+def qemu_io_silent_check(*args):
+    '''Run qemu-io and return the true if subprocess returned 0'''
+    args = qemu_io_args + list(args)
+    exitcode = subprocess.call(args, stdout=open('/dev/null', 'w'),
+                               stderr=subprocess.STDOUT)
+    return exitcode == 0
+
 def get_virtio_scsi_device():
     if qemu_default_machine == 's390-ccw-virtio':
         return 'virtio-scsi-ccw'
@@ -230,6 +237,10 @@ def qemu_nbd_early_pipe(*args):
     else:
         return exitcode, subp.communicate()[0]
 
+def qemu_nbd_popen(*args):
+    '''Run qemu-nbd in daemon mode and return the parent's exit code'''
+    return subprocess.Popen(qemu_nbd_args + ['--persistent'] + list(args))
+
 def compare_images(img1, img2, fmt1=imgfmt, fmt2=imgfmt):
     '''Return True if two image files are identical'''
     return qemu_img('compare', '-f', fmt1,
@@ -920,6 +931,16 @@ def skip_if_unsupported(required_formats=[], read_only=False):
         return func_wrapper
     return skip_test_decorator
 
+def skip_if_user_is_root(func):
+    '''Skip Test Decorator
+       Runs the test only without root permissions'''
+    def func_wrapper(*args, **kwargs):
+        if os.getuid() == 0:
+            case_notrun('{}: cannot be run as root'.format(args[0]))
+        else:
+            return func(*args, **kwargs)
+    return func_wrapper
+
 def execute_unittest(output, verbosity, debug):
     runner = unittest.TextTestRunner(stream=output, descriptions=True,
                                      verbosity=verbosity)