next(it)
-def _setup_seek_test(sink_cls, user_seek_beginning=None, user_can_seek_beginning=None):
+def _setup_seek_test(
+ sink_cls,
+ user_seek_beginning=None,
+ user_can_seek_beginning=None,
+ user_seek_ns_from_origin=None,
+ user_can_seek_ns_from_origin=None,
+):
class MySourceIter(bt2._UserMessageIterator):
def __init__(self, port):
tc, sc, ec = port.user_data
if user_can_seek_beginning is not None:
MySourceIter._user_can_seek_beginning = user_can_seek_beginning
+ if user_seek_ns_from_origin is not None:
+ MySourceIter._user_seek_ns_from_origin = user_seek_ns_from_origin
+
+ if user_can_seek_ns_from_origin is not None:
+ MySourceIter._user_can_seek_ns_from_origin = user_can_seek_ns_from_origin
+
class MySource(bt2._UserSourceComponent, message_iterator_class=MySourceIter):
def __init__(self, params, obj):
tc = self._create_trace_class()
def _user_seek_beginning(self):
self._upstream_iter.seek_beginning()
+ def _user_can_seek_ns_from_origin(self, ns_from_origin):
+ return self._upstream_iter.can_seek_ns_from_origin(ns_from_origin)
+
+ def _user_seek_ns_from_origin(self, ns_from_origin):
+ self._upstream_iter.seek_ns_from_origin(ns_from_origin)
+
class MyFilter(bt2._UserFilterComponent, message_iterator_class=MyFilterIter):
def __init__(self, params, obj):
self._add_input_port('in')
graph.run_once()
+class UserMessageIteratorSeekNsFromOriginTestCase(unittest.TestCase):
+ def test_can_seek_ns_from_origin(self):
+ class MySink(bt2._UserSinkComponent):
+ def __init__(self, params, obj):
+ self._add_input_port('in')
+
+ def _user_graph_is_configured(self):
+ self._msg_iter = self._create_input_port_message_iterator(
+ self._input_ports['in']
+ )
+
+ def _user_consume(self):
+ nonlocal can_seek_ns_from_origin
+ nonlocal test_ns_from_origin
+ can_seek_ns_from_origin = self._msg_iter.can_seek_ns_from_origin(
+ test_ns_from_origin
+ )
+
+ def _user_can_seek_ns_from_origin(iter_self, ns_from_origin):
+ nonlocal input_port_iter_can_seek_ns_from_origin
+ nonlocal test_ns_from_origin
+ self.assertEqual(ns_from_origin, test_ns_from_origin)
+ return input_port_iter_can_seek_ns_from_origin
+
+ graph = _setup_seek_test(
+ MySink, user_can_seek_ns_from_origin=_user_can_seek_ns_from_origin
+ )
+
+ input_port_iter_can_seek_ns_from_origin = True
+ can_seek_ns_from_origin = None
+ test_ns_from_origin = 1
+ graph.run_once()
+ self.assertIs(can_seek_ns_from_origin, True)
+
+ input_port_iter_can_seek_ns_from_origin = False
+ can_seek_ns_from_origin = None
+ test_ns_from_origin = 2
+ graph.run_once()
+ self.assertIs(can_seek_ns_from_origin, False)
+
+ def test_no_can_seek_ns_from_origin_with_seek_ns_from_origin(self):
+ # Test an iterator without a _user_can_seek_ns_from_origin method, but
+ # with a _user_seek_ns_from_origin method.
+ class MySink(bt2._UserSinkComponent):
+ def __init__(self, params, obj):
+ self._add_input_port('in')
+
+ def _user_graph_is_configured(self):
+ self._msg_iter = self._create_input_port_message_iterator(
+ self._input_ports['in']
+ )
+
+ def _user_consume(self):
+ nonlocal can_seek_ns_from_origin
+ nonlocal test_ns_from_origin
+ can_seek_ns_from_origin = self._msg_iter.can_seek_ns_from_origin(
+ test_ns_from_origin
+ )
+
+ def _user_seek_ns_from_origin(self):
+ pass
+
+ graph = _setup_seek_test(
+ MySink, user_seek_ns_from_origin=_user_seek_ns_from_origin
+ )
+ can_seek_ns_from_origin = None
+ test_ns_from_origin = 2
+ graph.run_once()
+ self.assertIs(can_seek_ns_from_origin, True)
+
+ def test_no_can_seek_ns_from_origin_with_seek_beginning(self):
+ # Test an iterator without a _user_can_seek_ns_from_origin method, but
+ # with a _user_seek_beginning method.
+ class MySink(bt2._UserSinkComponent):
+ def __init__(self, params, obj):
+ self._add_input_port('in')
+
+ def _user_graph_is_configured(self):
+ self._msg_iter = self._create_input_port_message_iterator(
+ self._input_ports['in']
+ )
+
+ def _user_consume(self):
+ nonlocal can_seek_ns_from_origin
+ nonlocal test_ns_from_origin
+ can_seek_ns_from_origin = self._msg_iter.can_seek_ns_from_origin(
+ test_ns_from_origin
+ )
+
+ def _user_seek_beginning(self):
+ pass
+
+ graph = _setup_seek_test(MySink, user_seek_beginning=_user_seek_beginning)
+ can_seek_ns_from_origin = None
+ test_ns_from_origin = 2
+ graph.run_once()
+ self.assertIs(can_seek_ns_from_origin, True)
+
+ def test_no_can_seek_ns_from_origin(self):
+ # Test an iterator without a _user_can_seek_ns_from_origin method
+ # and no other related method.
+ class MySink(bt2._UserSinkComponent):
+ def __init__(self, params, obj):
+ self._add_input_port('in')
+
+ def _user_graph_is_configured(self):
+ self._msg_iter = self._create_input_port_message_iterator(
+ self._input_ports['in']
+ )
+
+ def _user_consume(self):
+ nonlocal can_seek_ns_from_origin
+ nonlocal test_ns_from_origin
+ can_seek_ns_from_origin = self._msg_iter.can_seek_ns_from_origin(
+ test_ns_from_origin
+ )
+
+ graph = _setup_seek_test(MySink)
+ can_seek_ns_from_origin = None
+ test_ns_from_origin = 2
+ graph.run_once()
+ self.assertIs(can_seek_ns_from_origin, False)
+
+ def test_can_seek_ns_from_origin_user_error(self):
+ class MySink(bt2._UserSinkComponent):
+ def __init__(self, params, obj):
+ self._add_input_port('in')
+
+ def _user_graph_is_configured(self):
+ self._msg_iter = self._create_input_port_message_iterator(
+ self._input_ports['in']
+ )
+
+ def _user_consume(self):
+ # This is expected to raise.
+ self._msg_iter.can_seek_ns_from_origin(2)
+
+ def _user_can_seek_ns_from_origin(self, ns_from_origin):
+ raise ValueError('Joutel')
+
+ graph = _setup_seek_test(
+ MySink, user_can_seek_ns_from_origin=_user_can_seek_ns_from_origin
+ )
+
+ with self.assertRaises(bt2._Error) as ctx:
+ graph.run_once()
+
+ cause = ctx.exception[0]
+ self.assertIn('ValueError: Joutel', cause.message)
+
+ def test_can_seek_ns_from_origin_wrong_return_value(self):
+ class MySink(bt2._UserSinkComponent):
+ def __init__(self, params, obj):
+ self._add_input_port('in')
+
+ def _user_graph_is_configured(self):
+ self._msg_iter = self._create_input_port_message_iterator(
+ self._input_ports['in']
+ )
+
+ def _user_consume(self):
+ # This is expected to raise.
+ self._msg_iter.can_seek_ns_from_origin(2)
+
+ def _user_can_seek_ns_from_origin(self, ns_from_origin):
+ return 'Nitchequon'
+
+ graph = _setup_seek_test(
+ MySink, user_can_seek_ns_from_origin=_user_can_seek_ns_from_origin
+ )
+
+ with self.assertRaises(bt2._Error) as ctx:
+ graph.run_once()
+
+ cause = ctx.exception[0]
+ self.assertIn("TypeError: 'str' is not a 'bool' object", cause.message)
+
+ def test_seek_ns_from_origin(self):
+ class MySink(bt2._UserSinkComponent):
+ def __init__(self, params, obj):
+ self._add_input_port('in')
+
+ def _user_graph_is_configured(self):
+ self._msg_iter = self._create_input_port_message_iterator(
+ self._input_ports['in']
+ )
+
+ def _user_consume(self):
+ self._msg_iter.seek_ns_from_origin(17)
+
+ def _user_seek_ns_from_origin(self, ns_from_origin):
+ nonlocal actual_ns_from_origin
+ actual_ns_from_origin = ns_from_origin
+
+ msg = None
+ graph = _setup_seek_test(
+ MySink, user_seek_ns_from_origin=_user_seek_ns_from_origin
+ )
+
+ actual_ns_from_origin = None
+ graph.run_once()
+ self.assertEqual(actual_ns_from_origin, 17)
+
+
if __name__ == '__main__':
unittest.main()
projects / babeltrace.git / blobdiff