Update Python bindings and tests to match the latest API

[babeltrace.git] / tests / bindings / python / bt2 / test_connection.py

diff --git a/tests/bindings/python/bt2/test_connection.py b/tests/bindings/python/bt2/test_connection.py
new file mode 100644 (file)
index 0000000..0481413
--- /dev/null
+++ b/tests/bindings/python/bt2/test_connection.py
@@ -0,0 +1,392 @@
+from bt2 import values
+import unittest
+import copy
+import bt2
+
+
+class ConnectionTestCase(unittest.TestCase):
+    def test_create(self):
+        class MyIter(bt2._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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'])
+        src.output_ports['out'].disconnect()
+        self.assertTrue(conn.is_ended)
+
+    def test_downstream_port(self):
+        class MyIter(bt2._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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.downstream_port.addr, sink.input_ports['in'].addr)
+
+    def test_upstream_port(self):
+        class MyIter(bt2._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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.upstream_port.addr, src.output_ports['out'].addr)
+
+    def test_eq(self):
+        class MyIter(bt2._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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)
+
+
+class PrivateConnectionTestCase(unittest.TestCase):
+    def test_create(self):
+        class MyIter(bt2._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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._UserNotificationIterator):
+            def __next__(self):
+                raise bt2.Stop
+
+        class MySource(bt2._UserSourceComponent,
+                       notification_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