tests: Add missing copyright headers
[babeltrace.git] / tests / bindings / python / bt2 / test_message_iterator.py
index 445612606147a6c961b1cacef431c209702af387..64f34d04c00cb51f7a75803e04b53d215d94690c 100644 (file)
@@ -1,11 +1,29 @@
-from bt2 import values
+
+#
+# Copyright (C) 2019 EfficiOS Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; only version 2
+# of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+
+from bt2 import value
 import collections
 import unittest
 import copy
 import bt2
 
 
-@unittest.skip("this is broken")
 class UserMessageIteratorTestCase(unittest.TestCase):
     @staticmethod
     def _create_graph(src_comp_cls):
@@ -16,8 +34,8 @@ class UserMessageIteratorTestCase(unittest.TestCase):
             def _consume(self):
                 next(self._msg_iter)
 
-            def _port_connected(self, port, other_port):
-                self._msg_iter = port.connection.create_message_iterator()
+            def _graph_is_configured(self):
+                self._msg_iter = self._input_ports['in'].create_message_iterator()
 
         graph = bt2.Graph()
         src_comp = graph.add_component(src_comp_cls, 'src')
@@ -27,19 +45,28 @@ class UserMessageIteratorTestCase(unittest.TestCase):
         return graph
 
     def test_init(self):
+        the_output_port_from_source = None
+        the_output_port_from_iter = None
+
         class MyIter(bt2._UserMessageIterator):
-            def __init__(self):
+            def __init__(self, self_port_output):
                 nonlocal initialized
+                nonlocal the_output_port_from_iter
                 initialized = True
+                the_output_port_from_iter = self_port_output
 
         class MySource(bt2._UserSourceComponent,
                        message_iterator_class=MyIter):
             def __init__(self, params):
-                self._add_output_port('out')
+                nonlocal the_output_port_from_source
+                the_output_port_from_source = self._add_output_port('out', 'user data')
 
         initialized = False
         graph = self._create_graph(MySource)
+        graph.run()
         self.assertTrue(initialized)
+        self.assertEqual(the_output_port_from_source.addr, the_output_port_from_iter.addr)
+        self.assertEqual(the_output_port_from_iter.user_data, 'user data')
 
     def test_finalize(self):
         class MyIter(bt2._UserMessageIterator):
@@ -54,12 +81,13 @@ class UserMessageIteratorTestCase(unittest.TestCase):
 
         finalized = False
         graph = self._create_graph(MySource)
+        graph.run()
         del graph
         self.assertTrue(finalized)
 
     def test_component(self):
         class MyIter(bt2._UserMessageIterator):
-            def __init__(self):
+            def __init__(self, self_port_output):
                 nonlocal salut
                 salut = self._component._salut
 
@@ -71,11 +99,12 @@ class UserMessageIteratorTestCase(unittest.TestCase):
 
         salut = None
         graph = self._create_graph(MySource)
+        graph.run()
         self.assertEqual(salut, 23)
 
     def test_addr(self):
         class MyIter(bt2._UserMessageIterator):
-            def __init__(self):
+            def __init__(self, self_port_output):
                 nonlocal addr
                 addr = self.addr
 
@@ -86,76 +115,33 @@ class UserMessageIteratorTestCase(unittest.TestCase):
 
         addr = None
         graph = self._create_graph(MySource)
+        graph.run()
         self.assertIsNotNone(addr)
         self.assertNotEqual(addr, 0)
 
 
-@unittest.skip("this is broken")
-class PrivateConnectionMessageIteratorTestCase(unittest.TestCase):
-    def test_component(self):
-        class MyIter(bt2._UserMessageIterator):
-            pass
-
-        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):
-                next(self._msg_iter)
-
-            def _port_connected(self, port, other_port):
-                nonlocal upstream_comp
-                self._msg_iter = port.connection.create_message_iterator()
-                upstream_comp = self._msg_iter.component
-
-        upstream_comp = None
-        graph = bt2.Graph()
-        src_comp = graph.add_component(MySource, 'src')
-        sink_comp = graph.add_component(MySink, 'sink')
-        graph.connect_ports(src_comp.output_ports['out'],
-                            sink_comp.input_ports['in'])
-        self.assertEqual(src_comp, upstream_comp)
-        del upstream_comp
-
-
-@unittest.skip("this is broken")
 class OutputPortMessageIteratorTestCase(unittest.TestCase):
     def test_component(self):
         class MyIter(bt2._UserMessageIterator):
-            def __init__(self):
-                self._build_meta()
+            def __init__(self, self_port_output):
                 self._at = 0
 
-            def _build_meta(self):
-                self._trace = bt2.Trace()
-                self._sc = bt2.StreamClass()
-                self._ec = bt2.EventClass('salut')
-                self._my_int_ft = bt2.IntegerFieldType(32)
-                self._ec.payload_field_type = bt2.StructureFieldType()
-                self._ec.payload_field_type += collections.OrderedDict([
-                    ('my_int', self._my_int_ft),
-                ])
-                self._sc.add_event_class(self._ec)
-                self._trace.add_stream_class(self._sc)
-                self._stream = self._sc()
-                self._packet = self._stream.create_packet()
-
-            def _create_event(self, value):
-                ev = self._ec()
-                ev.payload_field['my_int'] = value
-                ev.packet = self._packet
-                return ev
-
             def __next__(self):
-                if self._at == 5:
+                if self._at == 7:
                     raise bt2.Stop
 
-                msg = bt2.EventMessage(self._create_event(self._at * 3))
+                if self._at == 0:
+                    msg = self._create_stream_beginning_message(test_obj._stream)
+                elif self._at == 1:
+                    msg = self._create_packet_beginning_message(test_obj._packet)
+                elif self._at == 5:
+                    msg = self._create_packet_end_message(test_obj._packet)
+                elif self._at == 6:
+                    msg = self._create_stream_end_message(test_obj._stream)
+                else:
+                    msg = self._create_event_message(test_obj._event_class, test_obj._packet)
+                    msg.event.payload_field['my_int'] = self._at * 3
+
                 self._at += 1
                 return msg
 
@@ -164,13 +150,42 @@ class OutputPortMessageIteratorTestCase(unittest.TestCase):
             def __init__(self, params):
                 self._add_output_port('out')
 
+                trace_class = self._create_trace_class()
+                stream_class = trace_class.create_stream_class()
+
+                # Create payload field class
+                my_int_ft = trace_class.create_signed_integer_field_class(32)
+                payload_ft = trace_class.create_structure_field_class()
+                payload_ft += collections.OrderedDict([
+                    ('my_int', my_int_ft),
+                ])
+
+                event_class = stream_class.create_event_class(name='salut', payload_field_class=payload_ft)
+
+                trace = trace_class()
+                stream = trace.create_stream(stream_class)
+                packet = stream.create_packet()
+
+                test_obj._event_class = event_class
+                test_obj._stream = stream
+                test_obj._packet = packet
+
+        test_obj = self
         graph = bt2.Graph()
         src = graph.add_component(MySource, 'src')
-        types = [bt2.EventMessage]
-        msg_iter = src.output_ports['out'].create_message_iterator(types)
+        msg_iter = graph.create_output_port_message_iterator(src.output_ports['out'])
 
         for at, msg in enumerate(msg_iter):
-            self.assertIsInstance(msg, bt2.EventMessage)
-            self.assertEqual(msg.event.event_class.name, 'salut')
-            field = msg.event.payload_field['my_int']
-            self.assertEqual(field, at * 3)
+            if at == 0:
+                self.assertIsInstance(msg, bt2.message._StreamBeginningMessage)
+            elif at == 1:
+                self.assertIsInstance(msg, bt2.message._PacketBeginningMessage)
+            elif at == 5:
+                self.assertIsInstance(msg, bt2.message._PacketEndMessage)
+            elif at == 6:
+                self.assertIsInstance(msg, bt2.message._StreamEndMessage)
+            else:
+                self.assertIsInstance(msg, bt2.message._EventMessage)
+                self.assertEqual(msg.event.cls.name, 'salut')
+                field = msg.event.payload_field['my_int']
+                self.assertEqual(field, at * 3)
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