diff options
Diffstat (limited to 'cloudinit/tests/helpers.py')
| -rw-r--r-- | cloudinit/tests/helpers.py | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/cloudinit/tests/helpers.py b/cloudinit/tests/helpers.py index 9a21426e..e7e4182f 100644 --- a/cloudinit/tests/helpers.py +++ b/cloudinit/tests/helpers.py @@ -33,6 +33,8 @@ from cloudinit import helpers as ch from cloudinit.sources import DataSourceNone from cloudinit import util +_real_subp = util.subp + # Used for skipping tests SkipTest = unittest2.SkipTest skipIf = unittest2.skipIf @@ -143,6 +145,17 @@ class CiTestCase(TestCase): # Subclass overrides for specific test behavior # Whether or not a unit test needs logfile setup with_logs = False + allowed_subp = False + SUBP_SHELL_TRUE = "shell=true" + + @contextmanager + def allow_subp(self, allowed_subp): + orig = self.allowed_subp + try: + self.allowed_subp = allowed_subp + yield + finally: + self.allowed_subp = orig def setUp(self): super(CiTestCase, self).setUp() @@ -155,11 +168,41 @@ class CiTestCase(TestCase): handler.setFormatter(formatter) self.old_handlers = self.logger.handlers self.logger.handlers = [handler] + if self.allowed_subp is True: + util.subp = _real_subp + else: + util.subp = self._fake_subp + + def _fake_subp(self, *args, **kwargs): + if 'args' in kwargs: + cmd = kwargs['args'] + else: + cmd = args[0] + + if not isinstance(cmd, six.string_types): + cmd = cmd[0] + pass_through = False + if not isinstance(self.allowed_subp, (list, bool)): + raise TypeError("self.allowed_subp supports list or bool.") + if isinstance(self.allowed_subp, bool): + pass_through = self.allowed_subp + else: + pass_through = ( + (cmd in self.allowed_subp) or + (self.SUBP_SHELL_TRUE in self.allowed_subp and + kwargs.get('shell'))) + if pass_through: + return _real_subp(*args, **kwargs) + raise Exception( + "called subp. set self.allowed_subp=True to allow\n subp(%s)" % + ', '.join([str(repr(a)) for a in args] + + ["%s=%s" % (k, repr(v)) for k, v in kwargs.items()])) def tearDown(self): if self.with_logs: # Remove the handler we setup logging.getLogger().handlers = self.old_handlers + util.subp = _real_subp super(CiTestCase, self).tearDown() def tmp_dir(self, dir=None, cleanup=True): |