tests/bindings/python/bt2/test_trace.py

   1 #
   2 # Copyright (C) 2019 EfficiOS Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU General Public License
   6 # as published by the Free Software Foundation; only version 2
   7 # of the License.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  17 #
  18
  19 import unittest
  20 from utils import get_default_trace_class
  21
  22
  23 class TraceTestCase(unittest.TestCase):
  24     def setUp(self):
  25         self._tc = get_default_trace_class()
  26
  27     def test_create_default(self):
  28         trace = self._tc()
  29         self.assertEqual(trace.name, None)
  30
  31     def test_create_full(self):
  32         trace = self._tc(name='my name')
  33         self.assertEqual(trace.name, 'my name')
  34
  35     def test_create_invalid_name(self):
  36         with self.assertRaises(TypeError):
  37             self._tc(name=17)
  38
  39     def test_attr_trace_class(self):
  40         trace = self._tc(name='my name')
  41         self.assertEqual(trace.cls.addr, self._tc.addr)
  42
  43     def test_len(self):
  44         trace = self._tc()
  45         sc = self._tc.create_stream_class()
  46         self.assertEqual(len(trace), 0)
  47
  48         trace.create_stream(sc)
  49         self.assertEqual(len(trace), 1)
  50
  51     def _create_trace_with_some_streams(self):
  52         sc = self._tc.create_stream_class(assigns_automatic_stream_id=False)
  53         trace = self._tc()
  54         trace.create_stream(sc, id=12)
  55         trace.create_stream(sc, id=15)
  56         trace.create_stream(sc, id=17)
  57
  58         return trace
  59
  60     def test_iter(self):
  61         trace = self._create_trace_with_some_streams()
  62         stream_ids = set(trace)
  63         self.assertEqual(stream_ids, {12, 15, 17})
  64
  65     def test_getitem(self):
  66         trace = self._create_trace_with_some_streams()
  67
  68         self.assertEqual(trace[12].id, 12)
  69
  70     def test_getitem_invalid_key(self):
  71         trace = self._create_trace_with_some_streams()
  72         with self.assertRaises(KeyError):
  73             trace[18]
  74
  75     def test_destruction_listener(self):
  76         def on_trace_class_destruction(trace_class):
  77             nonlocal trace_class_destroyed
  78             trace_class_destroyed = True
  79
  80         def on_trace_destruction(trace):
  81             nonlocal trace_destroyed
  82             trace_destroyed = True
  83
  84         trace_destroyed = False
  85         trace_class_destroyed = False
  86
  87         trace_class = get_default_trace_class()
  88         stream_class = trace_class.create_stream_class()
  89         trace = trace_class()
  90         stream = trace.create_stream(stream_class)
  91
  92         trace_class.add_destruction_listener(on_trace_class_destruction)
  93         trace.add_destruction_listener(on_trace_destruction)
  94
  95         self.assertFalse(trace_class_destroyed)
  96         self.assertFalse(trace_destroyed)
  97
  98         del trace
  99
 100         self.assertFalse(trace_class_destroyed)
 101         self.assertFalse(trace_destroyed)
 102
 103         del stream
 104
 105         self.assertFalse(trace_class_destroyed)
 106         self.assertTrue(trace_destroyed)
 107
 108         del trace_class
 109
 110         self.assertFalse(trace_class_destroyed)
 111         self.assertTrue(trace_destroyed)
 112
 113         del stream_class
 114
 115         self.assertTrue(trace_class_destroyed)
 116         self.assertTrue(trace_destroyed)