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 uuid
  20 import unittest
  21 from utils import get_default_trace_class
  22
  23
  24 class TraceTestCase(unittest.TestCase):
  25     def setUp(self):
  26         self._tc = get_default_trace_class()
  27
  28     def test_create_default(self):
  29         trace = self._tc()
  30         self.assertIsNone(trace.name)
  31         self.assertIsNone(trace.uuid)
  32         self.assertEqual(len(trace.env), 0)
  33
  34     def test_create_invalid_name(self):
  35         with self.assertRaises(TypeError):
  36             self._tc(name=17)
  37
  38     def test_attr_trace_class(self):
  39         trace = self._tc()
  40         self.assertEqual(trace.cls.addr, self._tc.addr)
  41
  42     def test_attr_name(self):
  43         trace = self._tc(name='mein trace')
  44         self.assertEqual(trace.name, 'mein trace')
  45
  46     def test_attr_uuid(self):
  47         trace = self._tc(uuid=uuid.UUID('da7d6b6f-3108-4706-89bd-ab554732611b'))
  48         self.assertEqual(trace.uuid, uuid.UUID('da7d6b6f-3108-4706-89bd-ab554732611b'))
  49
  50     def test_env_get(self):
  51         trace = self._tc(env={'hello': 'you', 'foo': -5})
  52         self.assertEqual(trace.env['hello'], 'you')
  53         self.assertEqual(trace.env['foo'], -5)
  54
  55     def test_env_get_non_existent(self):
  56         trace = self._tc(env={'hello': 'you', 'foo': -5})
  57
  58         with self.assertRaises(KeyError):
  59             trace.env['lel']
  60
  61     def test_len(self):
  62         trace = self._tc()
  63         sc = self._tc.create_stream_class()
  64         self.assertEqual(len(trace), 0)
  65
  66         trace.create_stream(sc)
  67         self.assertEqual(len(trace), 1)
  68
  69     def _create_trace_with_some_streams(self):
  70         sc = self._tc.create_stream_class(assigns_automatic_stream_id=False)
  71         trace = self._tc()
  72         trace.create_stream(sc, id=12)
  73         trace.create_stream(sc, id=15)
  74         trace.create_stream(sc, id=17)
  75
  76         return trace
  77
  78     def test_iter(self):
  79         trace = self._create_trace_with_some_streams()
  80         stream_ids = set(trace)
  81         self.assertEqual(stream_ids, {12, 15, 17})
  82
  83     def test_getitem(self):
  84         trace = self._create_trace_with_some_streams()
  85
  86         self.assertEqual(trace[12].id, 12)
  87
  88     def test_getitem_invalid_key(self):
  89         trace = self._create_trace_with_some_streams()
  90         with self.assertRaises(KeyError):
  91             trace[18]
  92
  93     def test_destruction_listener(self):
  94         def on_trace_class_destruction(trace_class):
  95             nonlocal trace_class_destroyed
  96             trace_class_destroyed = True
  97
  98         def on_trace_destruction(trace):
  99             nonlocal trace_destroyed
 100             trace_destroyed = True
 101
 102         trace_destroyed = False
 103         trace_class_destroyed = False
 104
 105         trace_class = get_default_trace_class()
 106         stream_class = trace_class.create_stream_class()
 107         trace = trace_class()
 108         stream = trace.create_stream(stream_class)
 109
 110         trace_class.add_destruction_listener(on_trace_class_destruction)
 111         trace.add_destruction_listener(on_trace_destruction)
 112
 113         self.assertFalse(trace_class_destroyed)
 114         self.assertFalse(trace_destroyed)
 115
 116         del trace
 117
 118         self.assertFalse(trace_class_destroyed)
 119         self.assertFalse(trace_destroyed)
 120
 121         del stream
 122
 123         self.assertFalse(trace_class_destroyed)
 124         self.assertTrue(trace_destroyed)
 125
 126         del trace_class
 127
 128         self.assertFalse(trace_class_destroyed)
 129         self.assertTrue(trace_destroyed)
 130
 131         del stream_class
 132
 133         self.assertTrue(trace_class_destroyed)
 134         self.assertTrue(trace_destroyed)