Commit | Line | Data |
---|---|---|
f6a5e476 | 1 | import unittest |
f6a5e476 PP |
2 | import bt2 |
3 | ||
4 | ||
5 | class ConnectionTestCase(unittest.TestCase): | |
6 | def test_create(self): | |
fa4c33e3 | 7 | class MyIter(bt2._UserMessageIterator): |
f6a5e476 PP |
8 | def __next__(self): |
9 | raise bt2.Stop | |
10 | ||
11 | class MySource(bt2._UserSourceComponent, | |
fa4c33e3 | 12 | message_iterator_class=MyIter): |
f6a5e476 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) | |
f6a5e476 PP |
29 | |
30 | def test_downstream_port(self): | |
fa4c33e3 | 31 | class MyIter(bt2._UserMessageIterator): |
f6a5e476 PP |
32 | def __next__(self): |
33 | raise bt2.Stop | |
34 | ||
35 | class MySource(bt2._UserSourceComponent, | |
fa4c33e3 | 36 | message_iterator_class=MyIter): |
f6a5e476 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): | |
fa4c33e3 | 55 | class MyIter(bt2._UserMessageIterator): |
f6a5e476 PP |
56 | def __next__(self): |
57 | raise bt2.Stop | |
58 | ||
59 | class MySource(bt2._UserSourceComponent, | |
fa4c33e3 | 60 | message_iterator_class=MyIter): |
f6a5e476 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) |