- self._tc.clock_classes['lel']
-
- def test_streams_none(self):
- self.assertEqual(len(self._tc.streams), 0)
-
- def test_streams_len(self):
- self._tc.add_stream_class(self._create_stream_class('sc1', 3))
- stream0 = self._tc[3]()
- stream1 = self._tc[3]()
- stream2 = self._tc[3]()
- self.assertEqual(len(self._tc.streams), 3)
-
- def test_streams_iter(self):
- self._tc.add_stream_class(self._create_stream_class('sc1', 3))
- stream0 = self._tc[3](id=12)
- stream1 = self._tc[3](id=15)
- stream2 = self._tc[3](id=17)
- sids = set()
-
- for stream in self._tc.streams:
- sids.add(stream.id)
-
- self.assertEqual(len(sids), 3)
- self.assertTrue(12 in sids and 15 in sids and 17 in sids)
-
- def _test_eq_create_objects(self):
- cc1_uuid = uuid.UUID('bc7f2f2d-2ee4-4e03-ab1f-2e0e1304e94f')
- cc1 = bt2.ClockClass('cc1', 1000, uuid=cc1_uuid)
- cc2_uuid = uuid.UUID('da7d6b6f-3108-4706-89bd-ab554732611b')
- cc2 = bt2.ClockClass('cc2', 30, uuid=cc2_uuid)
- sc1 = self._create_stream_class('sc1', 3)
- sc2 = self._create_stream_class('sc2', 9)
- return cc1, cc2, sc1, sc2, self._get_std_header()
-
- def test_eq(self):
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- tc1 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- tc2 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- self.assertEqual(tc1, tc2)
-
- def test_ne_name(self):
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- tc1 = bt2.Trace(name='my name2',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- tc2 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- self.assertNotEqual(tc1, tc2)
-
- def test_ne_packet_header_field_type(self):
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- tc1 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- header_ft.append_field('yes', bt2.StringFieldType())
- tc2 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- self.assertNotEqual(tc1, tc2)
-
- def test_ne_native_byte_order(self):
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- tc1 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- tc2 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.BIG_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- self.assertNotEqual(tc1, tc2)
-
- def test_ne_env(self):
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- tc1 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int2': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- tc2 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- self.assertNotEqual(tc1, tc2)
-
- def test_ne_clock_classes(self):
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- tc1 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- cc2.frequency = 1234
- tc2 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- self.assertNotEqual(tc1, tc2)
-
- def test_ne_stream_classes(self):
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- tc1 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- cc1, cc2, sc1, sc2, header_ft = self._test_eq_create_objects()
- sc2.id = 72632
- tc2 = bt2.Trace(name='my name',
- native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
- env={'the_string': 'value', 'the_int': 23},
- packet_header_field_type=header_ft,
- clock_classes=(cc1, cc2),
- stream_classes=(sc1, sc2))
- self.assertNotEqual(tc1, tc2)
-
- def test_eq_invalid(self):
- self.assertFalse(self._tc == 23)
+ trace[18]
+
+ def test_destruction_listener(self):
+ def on_trace_class_destruction(trace_class):
+ nonlocal num_trace_class_destroyed_calls
+ num_trace_class_destroyed_calls += 1
+
+ def on_trace_destruction(trace):
+ nonlocal num_trace_destroyed_calls
+ num_trace_destroyed_calls += 1
+
+ num_trace_class_destroyed_calls = 0
+ num_trace_destroyed_calls = 0
+
+ trace_class = get_default_trace_class()
+ stream_class = trace_class.create_stream_class()
+ trace = trace_class()
+ stream = trace.create_stream(stream_class)
+
+ trace_class.add_destruction_listener(on_trace_class_destruction)
+ td_handle1 = trace.add_destruction_listener(on_trace_destruction)
+ td_handle2 = trace.add_destruction_listener(on_trace_destruction)
+
+ self.assertIs(type(td_handle1), bt2_utils._ListenerHandle)
+
+ trace.remove_destruction_listener(td_handle2)
+
+ self.assertEqual(num_trace_class_destroyed_calls, 0)
+ self.assertEqual(num_trace_destroyed_calls, 0)
+
+ del trace
+
+ self.assertEqual(num_trace_class_destroyed_calls, 0)
+ self.assertEqual(num_trace_destroyed_calls, 0)
+
+ del stream
+
+ self.assertEqual(num_trace_class_destroyed_calls, 0)
+ self.assertEqual(num_trace_destroyed_calls, 1)
+
+ del trace_class
+
+ self.assertEqual(num_trace_class_destroyed_calls, 0)
+ self.assertEqual(num_trace_destroyed_calls, 1)
+
+ del stream_class
+
+ self.assertEqual(num_trace_class_destroyed_calls, 1)
+ self.assertEqual(num_trace_destroyed_calls, 1)
+
+ def test_remove_destruction_listener_wrong_type(self):
+ trace_class = get_default_trace_class()
+ trace = trace_class()
+
+ with self.assertRaisesRegex(
+ TypeError, r"'int' is not a '<class 'bt2.utils._ListenerHandle'>' object"
+ ):
+ trace.remove_destruction_listener(123)
+
+ def test_remove_destruction_listener_wrong_object(self):
+ def on_trace_destruction(trace):
+ pass
+
+ trace_class_1 = get_default_trace_class()
+ trace1 = trace_class_1()
+ trace_class_2 = get_default_trace_class()
+ trace2 = trace_class_2()
+
+ handle1 = trace1.add_destruction_listener(on_trace_destruction)
+
+ with self.assertRaisesRegex(
+ ValueError,
+ r'This trace destruction listener does not match the trace object\.',
+ ):
+ trace2.remove_destruction_listener(handle1)
+
+ def test_remove_destruction_listener_twice(self):
+ def on_trace_destruction(trace_class):
+ pass
+
+ trace_class = get_default_trace_class()
+ trace = trace_class()
+ handle = trace.add_destruction_listener(on_trace_destruction)
+
+ trace.remove_destruction_listener(handle)
+
+ with self.assertRaisesRegex(
+ ValueError, r'This trace destruction listener was already removed\.'
+ ):
+ trace.remove_destruction_listener(handle)
+
+ def test_raise_in_destruction_listener(self):
+ def on_trace_destruction(trace):
+ raise ValueError('it hurts')
+
+ trace_class = get_default_trace_class()
+ trace = trace_class()
+ trace.add_destruction_listener(on_trace_destruction)
+
+ del trace
+
+
+if __name__ == '__main__':
+ unittest.main()