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-rw-r--r--tests/qemu-iotests/iotests.py26
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 7233983f3c..07fa1626a0 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -160,6 +160,32 @@ class Timeout:
def timeout(self, signum, frame):
raise Exception(self.errmsg)
+
+class FilePath(object):
+ '''An auto-generated filename that cleans itself up.
+
+ Use this context manager to generate filenames and ensure that the file
+ gets deleted::
+
+ with TestFilePath('test.img') as img_path:
+ qemu_img('create', img_path, '1G')
+ # migration_sock_path is automatically deleted
+ '''
+ def __init__(self, name):
+ filename = '{0}-{1}'.format(os.getpid(), name)
+ self.path = os.path.join(test_dir, filename)
+
+ def __enter__(self):
+ return self.path
+
+ def __exit__(self, exc_type, exc_val, exc_tb):
+ try:
+ os.remove(self.path)
+ except OSError:
+ pass
+ return False
+
+
class VM(qtest.QEMUQtestMachine):
'''A QEMU VM'''