diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 81ae7b911a..385dbad16a 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -358,31 +358,45 @@ class Timeout: def timeout(self, signum, frame): raise Exception(self.errmsg) +def file_pattern(name): + return "{0}-{1}".format(os.getpid(), name) -class FilePath(object): - '''An auto-generated filename that cleans itself up. +class FilePaths(object): + """ + FilePaths is 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: + with FilePaths(['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 __init__(self, names): + self.paths = [] + for name in names: + self.paths.append(os.path.join(test_dir, file_pattern(name))) def __enter__(self): - return self.path + return self.paths def __exit__(self, exc_type, exc_val, exc_tb): try: - os.remove(self.path) + for path in self.paths: + os.remove(path) except OSError: pass return False +class FilePath(FilePaths): + """ + FilePath is a specialization of FilePaths that takes a single filename. + """ + def __init__(self, name): + super(FilePath, self).__init__([name]) + + def __enter__(self): + return self.paths[0] def file_path_remover(): for path in reversed(file_path_remover.paths): @@ -407,7 +421,7 @@ def file_path(*names): paths = [] for name in names: - filename = '{0}-{1}'.format(os.getpid(), name) + filename = file_pattern(name) path = os.path.join(test_dir, filename) file_path_remover.paths.append(path) paths.append(path)