tests/bindings/python/bt2/test_query_executor.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 from bt2 import value
  20 import unittest
  21 import copy
  22 import bt2
  23
  24
  25 class QueryExecutorTestCase(unittest.TestCase):
  26     def test_query(self):
  27         class MySink(bt2._UserSinkComponent):
  28             def _user_consume(self):
  29                 pass
  30
  31             @classmethod
  32             def _user_query(cls, query_exec, obj, params, log_level):
  33                 nonlocal query_params
  34                 query_params = params
  35                 return {'null': None, 'bt2': 'BT2'}
  36
  37         query_params = None
  38         params = {
  39             'array': ['coucou', 23, None],
  40             'other_map': {'yes': 'yeah', '19': 19, 'minus 1.5': -1.5},
  41             'null': None,
  42         }
  43
  44         res = bt2.QueryExecutor().query(MySink, 'obj', params)
  45         self.assertEqual(query_params, params)
  46         self.assertEqual(res, {'null': None, 'bt2': 'BT2'})
  47         del query_params
  48
  49     def test_query_params_none(self):
  50         class MySink(bt2._UserSinkComponent):
  51             def _user_consume(self):
  52                 pass
  53
  54             @classmethod
  55             def _user_query(cls, query_exec, obj, params, log_level):
  56                 nonlocal query_params
  57                 query_params = params
  58
  59         query_params = 23
  60         res = bt2.QueryExecutor().query(MySink, 'obj', None)
  61         self.assertEqual(query_params, None)
  62         del query_params
  63
  64     def test_query_logging_level(self):
  65         class MySink(bt2._UserSinkComponent):
  66             def _user_consume(self):
  67                 pass
  68
  69             @classmethod
  70             def _user_query(cls, query_exec, obj, params, log_level):
  71                 nonlocal query_log_level
  72                 query_log_level = log_level
  73
  74         query_log_level = None
  75         res = bt2.QueryExecutor().query(MySink, 'obj', None, bt2.LoggingLevel.INFO)
  76         self.assertEqual(query_log_level, bt2.LoggingLevel.INFO)
  77         del query_log_level
  78
  79     def test_query_gen_error(self):
  80         class MySink(bt2._UserSinkComponent):
  81             def _user_consume(self):
  82                 pass
  83
  84             @classmethod
  85             def _user_query(cls, query_exec, obj, params, log_level):
  86                 raise ValueError
  87
  88         with self.assertRaises(bt2._Error) as ctx:
  89             res = bt2.QueryExecutor().query(MySink, 'obj', [17, 23])
  90
  91         exc = ctx.exception
  92         self.assertEqual(len(exc), 2)
  93         cause = exc[0]
  94         self.assertIsInstance(cause, bt2._ComponentClassErrorCause)
  95         self.assertIn('raise ValueError', cause.message)
  96         self.assertEqual(cause.component_class_type, bt2.ComponentClassType.SINK)
  97         self.assertEqual(cause.component_class_name, 'MySink')
  98
  99     def test_query_unknown_object(self):
 100         class MySink(bt2._UserSinkComponent):
 101             def _user_consume(self):
 102                 pass
 103
 104             @classmethod
 105             def _user_query(cls, query_exec, obj, params, log_level):
 106                 raise bt2.UnknownObject
 107
 108         with self.assertRaises(bt2.UnknownObject):
 109             res = bt2.QueryExecutor().query(MySink, 'obj', [17, 23])
 110
 111     def test_query_logging_level_invalid_type(self):
 112         class MySink(bt2._UserSinkComponent):
 113             def _user_consume(self):
 114                 pass
 115
 116             @classmethod
 117             def _user_query(cls, query_exec, obj, params, log_level):
 118                 pass
 119
 120         with self.assertRaises(TypeError):
 121             res = bt2.QueryExecutor().query(MySink, 'obj', [17, 23], 'yeah')
 122
 123     def test_query_logging_level_invalid_value(self):
 124         class MySink(bt2._UserSinkComponent):
 125             def _user_consume(self):
 126                 pass
 127
 128             @classmethod
 129             def _user_query(cls, query_exec, obj, params, log_level):
 130                 pass
 131
 132         with self.assertRaises(ValueError):
 133             res = bt2.QueryExecutor().query(MySink, 'obj', [17, 23], 12345)
 134
 135     def test_query_try_again(self):
 136         class MySink(bt2._UserSinkComponent):
 137             def _user_consume(self):
 138                 pass
 139
 140             @classmethod
 141             def _user_query(cls, query_exec, obj, params, log_level):
 142                 raise bt2.TryAgain
 143
 144         with self.assertRaises(bt2.TryAgain):
 145             res = bt2.QueryExecutor().query(MySink, 'obj', [17, 23])
 146
 147     def test_query_add_interrupter(self):
 148         class MySink(bt2._UserSinkComponent):
 149             def _user_consume(self):
 150                 pass
 151
 152             @classmethod
 153             def _user_query(cls, query_exec, obj, params, log_level):
 154                 nonlocal interrupter2
 155                 test_self.assertFalse(query_exec.is_interrupted)
 156                 interrupter2.set()
 157                 test_self.assertTrue(query_exec.is_interrupted)
 158                 interrupter2.reset()
 159                 test_self.assertFalse(query_exec.is_interrupted)
 160
 161         interrupter1 = bt2.Interrupter()
 162         interrupter2 = bt2.Interrupter()
 163         test_self = self
 164         query_exec = bt2.QueryExecutor()
 165         query_exec.add_interrupter(interrupter1)
 166         query_exec.add_interrupter(interrupter2)
 167         query_exec.query(MySink, 'obj', [17, 23])
 168
 169     def test_query_interrupt(self):
 170         class MySink(bt2._UserSinkComponent):
 171             def _user_consume(self):
 172                 pass
 173
 174             @classmethod
 175             def _user_query(cls, query_exec, obj, params, log_level):
 176                 test_self.assertFalse(query_exec.is_interrupted)
 177                 query_exec.interrupt()
 178                 test_self.assertTrue(query_exec.is_interrupted)
 179
 180         test_self = self
 181         query_exec = bt2.QueryExecutor()
 182         query_exec.query(MySink, 'obj', [17, 23])