projects / babeltrace.git / blame
| Commit | Line | Data |
|---|---|---|
| 811644b8 | 1 | import unittest |
| 811644b8 PP |
2 | import bt2 |
| 3 | ||
| 4 | ||
| 5 | class ConnectionTestCase(unittest.TestCase): | |
| 6 | def test_create(self): | |
| 5602ef81 | 7 | class MyIter(bt2._UserMessageIterator): |
| 811644b8 PP |
8 | def __next__(self): |
| 9 | raise bt2.Stop | |
| 10 | ||
| 11 | class MySource(bt2._UserSourceComponent, | |
| 5602ef81 | 12 | message_iterator_class=MyIter): |
| 811644b8 PP |
13 | def __init__(self, params): |
| 14 | self._add_output_port('out') | |
| 15 | ||
| 16 | class MySink(bt2._UserSinkComponent): | |
| 17 | def __init__(self, params): | |
| 18 | self._add_input_port('in') | |
| 19 | ||
| 20 | def _consume(self): | |
| 21 | raise bt2.Stop | |
| 22 | ||
| 23 | graph = bt2.Graph() | |
| 24 | src = graph.add_component(MySource, 'src') | |
| 25 | sink = graph.add_component(MySink, 'sink') | |
| 26 | conn = graph.connect_ports(src.output_ports['out'], | |
| 27 | sink.input_ports['in']) | |
| 28 | self.assertIsInstance(conn, bt2._Connection) | |
| 811644b8 PP |
29 | |
| 30 | def test_downstream_port(self): | |
| 5602ef81 | 31 | class MyIter(bt2._UserMessageIterator): |
| 811644b8 PP |
32 | def __next__(self): |
| 33 | raise bt2.Stop | |
| 34 | ||
| 35 | class MySource(bt2._UserSourceComponent, | |
| 5602ef81 | 36 | message_iterator_class=MyIter): |
| 811644b8 PP |
37 | def __init__(self, params): |
| 38 | self._add_output_port('out') | |
| 39 | ||
| 40 | class MySink(bt2._UserSinkComponent): | |
| 41 | def __init__(self, params): | |
| 42 | self._add_input_port('in') | |
| 43 | ||
| 44 | def _consume(self): | |
| 45 | raise bt2.Stop | |
| 46 | ||
| 47 | graph = bt2.Graph() | |
| 48 | src = graph.add_component(MySource, 'src') | |
| 49 | sink = graph.add_component(MySink, 'sink') | |
| 50 | conn = graph.connect_ports(src.output_ports['out'], | |
| 51 | sink.input_ports['in']) | |
| 52 | self.assertEqual(conn.downstream_port.addr, sink.input_ports['in'].addr) | |
| 53 | ||
| 54 | def test_upstream_port(self): | |
| 5602ef81 | 55 | class MyIter(bt2._UserMessageIterator): |
| 811644b8 PP |
56 | def __next__(self): |
| 57 | raise bt2.Stop | |
| 58 | ||
| 59 | class MySource(bt2._UserSourceComponent, | |
| 5602ef81 | 60 | message_iterator_class=MyIter): |
| 811644b8 PP |
61 | def __init__(self, params): |
| 62 | self._add_output_port('out') | |
| 63 | ||
| 64 | class MySink(bt2._UserSinkComponent): | |
| 65 | def __init__(self, params): | |
| 66 | self._add_input_port('in') | |
| 67 | ||
| 68 | def _consume(self): | |
| 69 | raise bt2.Stop | |
| 70 | ||
| 71 | graph = bt2.Graph() | |
| 72 | src = graph.add_component(MySource, 'src') | |
| 73 | sink = graph.add_component(MySink, 'sink') | |
| 74 | conn = graph.connect_ports(src.output_ports['out'], | |
| 75 | sink.input_ports['in']) | |
| 76 | self.assertEqual(conn.upstream_port.addr, src.output_ports['out'].addr) |