Move to kernel style SPDX license identifiers
[babeltrace.git] / tests / bindings / python / bt2 / test_connection.py
index 163e067e44df3d0f47e3d687c6fe63abfa65a203..e2f7f0108927caa05658a682dd833f4a22bdc069 100644 (file)
-from bt2 import values
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright (C) 2019 EfficiOS Inc.
+#
+
 import unittest
-import copy
 import bt2
+from bt2 import connection as bt2_connection
+from bt2 import port as bt2_port
 
 
-@unittest.skip("this is broken")
 class ConnectionTestCase(unittest.TestCase):
     def test_create(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
-                self._add_output_port('out')
-
-        class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
-                self._add_input_port('in')
-
-            def _consume(self):
-                raise bt2.Stop
-
-        graph = bt2.Graph()
-        src = graph.add_component(MySource, 'src')
-        sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        self.assertIsInstance(conn, bt2._Connection)
-        self.assertNotIsInstance(conn, bt2._PrivateConnection)
-
-    def test_is_ended_false(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
-                self._add_output_port('out')
-
-        class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
-                self._add_input_port('in')
-
-            def _consume(self):
-                raise bt2.Stop
-
-        graph = bt2.Graph()
-        src = graph.add_component(MySource, 'src')
-        sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        self.assertFalse(conn.is_ended)
-
-    def test_is_ended_true(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
+        class MySource(
+            bt2._UserSourceComponent, message_iterator_class=bt2._UserMessageIterator
+        ):
+            def __init__(self, config, params, obj):
                 self._add_output_port('out')
 
         class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
+            def __init__(self, config, params, obj):
                 self._add_input_port('in')
 
-            def _consume(self):
+            def _user_consume(self):
                 raise bt2.Stop
 
         graph = bt2.Graph()
         src = graph.add_component(MySource, 'src')
         sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        src.output_ports['out'].disconnect()
-        self.assertTrue(conn.is_ended)
+        conn = graph.connect_ports(src.output_ports['out'], sink.input_ports['in'])
+        self.assertIs(type(conn), bt2_connection._ConnectionConst)
 
     def test_downstream_port(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
+        class MySource(
+            bt2._UserSourceComponent, message_iterator_class=bt2._UserMessageIterator
+        ):
+            def __init__(self, config, params, obj):
                 self._add_output_port('out')
 
         class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
+            def __init__(self, config, params, obj):
                 self._add_input_port('in')
 
-            def _consume(self):
+            def _user_consume(self):
                 raise bt2.Stop
 
         graph = bt2.Graph()
         src = graph.add_component(MySource, 'src')
         sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
+        conn = graph.connect_ports(src.output_ports['out'], sink.input_ports['in'])
         self.assertEqual(conn.downstream_port.addr, sink.input_ports['in'].addr)
+        self.assertIs(type(conn), bt2_connection._ConnectionConst)
+        self.assertIs(type(conn.downstream_port), bt2_port._InputPortConst)
 
     def test_upstream_port(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
+        class MySource(
+            bt2._UserSourceComponent, message_iterator_class=bt2._UserMessageIterator
+        ):
+            def __init__(self, config, params, obj):
                 self._add_output_port('out')
 
         class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
+            def __init__(self, config, params, obj):
                 self._add_input_port('in')
 
-            def _consume(self):
+            def _user_consume(self):
                 raise bt2.Stop
 
         graph = bt2.Graph()
         src = graph.add_component(MySource, 'src')
         sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
+        conn = graph.connect_ports(src.output_ports['out'], sink.input_ports['in'])
         self.assertEqual(conn.upstream_port.addr, src.output_ports['out'].addr)
+        self.assertIs(type(conn.upstream_port), bt2_port._OutputPortConst)
 
-    def test_eq(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
-                self._add_output_port('out')
-
-        class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
-                self._add_input_port('in')
-
-            def _consume(self):
-                raise bt2.Stop
-
-        graph = bt2.Graph()
-        src = graph.add_component(MySource, 'src')
-        sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        self.assertEqual(conn, conn)
-
-    def test_eq_invalid(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
-                self._add_output_port('out')
-
-        class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
-                self._add_input_port('in')
-
-            def _consume(self):
-                raise bt2.Stop
-
-        graph = bt2.Graph()
-        src = graph.add_component(MySource, 'src')
-        sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        self.assertNotEqual(conn, 23)
-
-
-@unittest.skip("this is broken")
-class PrivateConnectionTestCase(unittest.TestCase):
-    def test_create(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
-                self._add_output_port('out')
-
-        class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
-                self._add_input_port('in')
-
-            def _consume(self):
-                raise bt2.Stop
-
-            def _port_connected(self, port, other_port):
-                nonlocal priv_conn
-                priv_conn = port.connection
 
-        priv_conn = None
-        graph = bt2.Graph()
-        src = graph.add_component(MySource, 'src')
-        sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        self.assertIsInstance(priv_conn, bt2._PrivateConnection)
-        self.assertEqual(conn, priv_conn)
-        del priv_conn
-
-    def test_is_ended_false(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
-                self._add_output_port('out')
-
-        class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
-                self._add_input_port('in')
-
-            def _consume(self):
-                raise bt2.Stop
-
-            def _port_connected(self, port, other_port):
-                nonlocal priv_conn
-                priv_conn = port.connection
-
-        priv_conn = None
-        graph = bt2.Graph()
-        src = graph.add_component(MySource, 'src')
-        sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        self.assertFalse(priv_conn.is_ended)
-        del priv_conn
-
-    def test_is_ended_true(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
-                self._add_output_port('out')
-
-        class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
-                self._add_input_port('in')
-
-            def _consume(self):
-                raise bt2.Stop
-
-            def _port_connected(self, port, other_port):
-                nonlocal priv_conn
-                priv_conn = port.connection
-
-        priv_conn = None
-        graph = bt2.Graph()
-        src = graph.add_component(MySource, 'src')
-        sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        sink.input_ports['in'].disconnect()
-        self.assertTrue(priv_conn.is_ended)
-        del priv_conn
-
-    def test_downstream_port(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
-                self._add_output_port('out')
-
-        class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
-                self._add_input_port('in')
-
-            def _consume(self):
-                raise bt2.Stop
-
-            def _port_connected(self, port, other_port):
-                nonlocal priv_port
-                priv_conn = port.connection
-                priv_port = priv_conn.downstream_port
-
-        priv_port = None
-        graph = bt2.Graph()
-        src = graph.add_component(MySource, 'src')
-        sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        self.assertEqual(priv_port.addr, sink.input_ports['in'].addr)
-        del priv_port
-
-    def test_upstream_port(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
-                self._add_output_port('out')
-
-        class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
-                self._add_input_port('in')
-
-            def _consume(self):
-                raise bt2.Stop
-
-            def _port_connected(self, port, other_port):
-                nonlocal priv_port
-                priv_conn = port.connection
-                priv_port = priv_conn.upstream_port
-
-        priv_port = None
-        graph = bt2.Graph()
-        src = graph.add_component(MySource, 'src')
-        sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        self.assertEqual(priv_port.addr, src.output_ports['out'].addr)
-        del priv_port
-
-    def test_eq(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
-                self._add_output_port('out')
-
-        class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
-                self._add_input_port('in')
-
-            def _consume(self):
-                raise bt2.Stop
-
-            def _port_connected(self, port, other_port):
-                nonlocal priv_conn
-                priv_conn = port.connection
-
-        priv_conn = None
-        graph = bt2.Graph()
-        src = graph.add_component(MySource, 'src')
-        sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        self.assertEqual(priv_conn, conn)
-        del priv_conn
-
-    def test_eq_invalid(self):
-        class MyIter(bt2._UserMessageIterator):
-            def __next__(self):
-                raise bt2.Stop
-
-        class MySource(bt2._UserSourceComponent,
-                       message_iterator_class=MyIter):
-            def __init__(self, params):
-                self._add_output_port('out')
-
-        class MySink(bt2._UserSinkComponent):
-            def __init__(self, params):
-                self._add_input_port('in')
-
-            def _consume(self):
-                raise bt2.Stop
-
-            def _port_connected(self, port, other_port):
-                nonlocal priv_conn
-                priv_conn = port.connection
-
-        priv_conn = None
-        graph = bt2.Graph()
-        src = graph.add_component(MySource, 'src')
-        sink = graph.add_component(MySink, 'sink')
-        conn = graph.connect_ports(src.output_ports['out'],
-                                   sink.input_ports['in'])
-        self.assertNotEqual(priv_conn, 23)
-        del priv_conn
+if __name__ == '__main__':
+    unittest.main()
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