| 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 | import utils |
| 22 | from utils import get_default_trace_class |
| 23 | from bt2 import trace_class as bt2_trace_class |
| 24 | from bt2 import value as bt2_value |
| 25 | from bt2 import trace as bt2_trace |
| 26 | from bt2 import stream as bt2_stream |
| 27 | from bt2 import utils as bt2_utils |
| 28 | |
| 29 | |
| 30 | class TraceTestCase(unittest.TestCase): |
| 31 | def setUp(self): |
| 32 | self._tc = get_default_trace_class() |
| 33 | |
| 34 | def test_create_default(self): |
| 35 | trace = self._tc() |
| 36 | self.assertIsNone(trace.name) |
| 37 | self.assertIsNone(trace.uuid) |
| 38 | self.assertEqual(len(trace.environment), 0) |
| 39 | self.assertEqual(len(trace.user_attributes), 0) |
| 40 | |
| 41 | def test_create_invalid_name(self): |
| 42 | with self.assertRaises(TypeError): |
| 43 | self._tc(name=17) |
| 44 | |
| 45 | def test_create_user_attributes(self): |
| 46 | trace = self._tc(user_attributes={'salut': 23}) |
| 47 | self.assertEqual(trace.user_attributes, {'salut': 23}) |
| 48 | self.assertIs(type(trace.user_attributes), bt2_value.MapValue) |
| 49 | |
| 50 | def test_create_invalid_user_attributes(self): |
| 51 | with self.assertRaises(TypeError): |
| 52 | self._tc(user_attributes=object()) |
| 53 | |
| 54 | def test_create_invalid_user_attributes_value_type(self): |
| 55 | with self.assertRaises(TypeError): |
| 56 | self._tc(user_attributes=23) |
| 57 | |
| 58 | def test_attr_trace_class(self): |
| 59 | trace = self._tc() |
| 60 | self.assertEqual(trace.cls.addr, self._tc.addr) |
| 61 | self.assertIs(type(trace.cls), bt2_trace_class._TraceClass) |
| 62 | |
| 63 | def test_const_attr_trace_class(self): |
| 64 | trace = utils.get_const_stream_beginning_message().stream.trace |
| 65 | self.assertIs(type(trace.cls), bt2_trace_class._TraceClassConst) |
| 66 | |
| 67 | def test_attr_name(self): |
| 68 | trace = self._tc(name='mein trace') |
| 69 | self.assertEqual(trace.name, 'mein trace') |
| 70 | |
| 71 | def test_attr_uuid(self): |
| 72 | trace = self._tc(uuid=uuid.UUID('da7d6b6f-3108-4706-89bd-ab554732611b')) |
| 73 | self.assertEqual(trace.uuid, uuid.UUID('da7d6b6f-3108-4706-89bd-ab554732611b')) |
| 74 | |
| 75 | def test_env_get(self): |
| 76 | trace = self._tc(environment={'hello': 'you', 'foo': -5}) |
| 77 | self.assertIs(type(trace.environment), bt2_trace._TraceEnvironment) |
| 78 | self.assertIs(type(trace.environment['foo']), bt2_value.SignedIntegerValue) |
| 79 | self.assertEqual(trace.environment['hello'], 'you') |
| 80 | self.assertEqual(trace.environment['foo'], -5) |
| 81 | |
| 82 | def test_env_iter(self): |
| 83 | trace = self._tc(environment={'hello': 'you', 'foo': -5}) |
| 84 | values = set(trace.environment) |
| 85 | self.assertEqual(values, {'hello', 'foo'}) |
| 86 | |
| 87 | def test_const_env_get(self): |
| 88 | trace = utils.get_const_stream_beginning_message().stream.trace |
| 89 | self.assertIs(type(trace.environment), bt2_trace._TraceEnvironmentConst) |
| 90 | self.assertIs( |
| 91 | type(trace.environment['patate']), bt2_value._SignedIntegerValueConst |
| 92 | ) |
| 93 | |
| 94 | def test_const_env_iter(self): |
| 95 | trace = utils.get_const_stream_beginning_message().stream.trace |
| 96 | values = set(trace.environment) |
| 97 | self.assertEqual(values, {'patate'}) |
| 98 | |
| 99 | def test_const_env_set(self): |
| 100 | trace = utils.get_const_stream_beginning_message().stream.trace |
| 101 | with self.assertRaises(TypeError): |
| 102 | trace.environment['patate'] = 33 |
| 103 | |
| 104 | def test_env_get_non_existent(self): |
| 105 | trace = self._tc(environment={'hello': 'you', 'foo': -5}) |
| 106 | |
| 107 | with self.assertRaises(KeyError): |
| 108 | trace.environment['lel'] |
| 109 | |
| 110 | def test_len(self): |
| 111 | trace = self._tc() |
| 112 | sc = self._tc.create_stream_class() |
| 113 | self.assertEqual(len(trace), 0) |
| 114 | |
| 115 | trace.create_stream(sc) |
| 116 | self.assertEqual(len(trace), 1) |
| 117 | |
| 118 | def _create_trace_with_some_streams(self): |
| 119 | sc = self._tc.create_stream_class(assigns_automatic_stream_id=False) |
| 120 | trace = self._tc() |
| 121 | trace.create_stream(sc, id=12) |
| 122 | trace.create_stream(sc, id=15) |
| 123 | trace.create_stream(sc, id=17) |
| 124 | |
| 125 | return trace |
| 126 | |
| 127 | def test_iter(self): |
| 128 | trace = self._create_trace_with_some_streams() |
| 129 | stream_ids = set(trace) |
| 130 | self.assertEqual(stream_ids, {12, 15, 17}) |
| 131 | |
| 132 | def test_getitem(self): |
| 133 | trace = self._create_trace_with_some_streams() |
| 134 | self.assertEqual(trace[12].id, 12) |
| 135 | self.assertIs(type(trace[12]), bt2_stream._Stream) |
| 136 | |
| 137 | def test_const_getitem(self): |
| 138 | trace = utils.get_const_stream_beginning_message().stream.trace |
| 139 | self.assertIs(type(trace[0]), bt2_stream._StreamConst) |
| 140 | |
| 141 | def test_getitem_invalid_key(self): |
| 142 | trace = self._create_trace_with_some_streams() |
| 143 | with self.assertRaises(KeyError): |
| 144 | trace[18] |
| 145 | |
| 146 | def test_destruction_listener(self): |
| 147 | def on_trace_class_destruction(trace_class): |
| 148 | nonlocal num_trace_class_destroyed_calls |
| 149 | num_trace_class_destroyed_calls += 1 |
| 150 | |
| 151 | def on_trace_destruction(trace): |
| 152 | nonlocal type_of_passed_trace |
| 153 | type_of_passed_trace = type(trace) |
| 154 | |
| 155 | nonlocal num_trace_destroyed_calls |
| 156 | num_trace_destroyed_calls += 1 |
| 157 | |
| 158 | num_trace_class_destroyed_calls = 0 |
| 159 | num_trace_destroyed_calls = 0 |
| 160 | type_of_passed_trace = None |
| 161 | |
| 162 | trace_class = get_default_trace_class() |
| 163 | stream_class = trace_class.create_stream_class() |
| 164 | trace = trace_class() |
| 165 | stream = trace.create_stream(stream_class) |
| 166 | |
| 167 | trace_class.add_destruction_listener(on_trace_class_destruction) |
| 168 | td_handle1 = trace.add_destruction_listener(on_trace_destruction) |
| 169 | td_handle2 = trace.add_destruction_listener(on_trace_destruction) |
| 170 | |
| 171 | self.assertIs(type(td_handle1), bt2_utils._ListenerHandle) |
| 172 | |
| 173 | trace.remove_destruction_listener(td_handle2) |
| 174 | |
| 175 | self.assertEqual(num_trace_class_destroyed_calls, 0) |
| 176 | self.assertEqual(num_trace_destroyed_calls, 0) |
| 177 | |
| 178 | del trace |
| 179 | |
| 180 | self.assertEqual(num_trace_class_destroyed_calls, 0) |
| 181 | self.assertEqual(num_trace_destroyed_calls, 0) |
| 182 | |
| 183 | del stream |
| 184 | |
| 185 | self.assertEqual(num_trace_class_destroyed_calls, 0) |
| 186 | self.assertEqual(num_trace_destroyed_calls, 1) |
| 187 | self.assertIs(type_of_passed_trace, bt2_trace._TraceConst) |
| 188 | |
| 189 | del trace_class |
| 190 | |
| 191 | self.assertEqual(num_trace_class_destroyed_calls, 0) |
| 192 | self.assertEqual(num_trace_destroyed_calls, 1) |
| 193 | |
| 194 | del stream_class |
| 195 | |
| 196 | self.assertEqual(num_trace_class_destroyed_calls, 1) |
| 197 | self.assertEqual(num_trace_destroyed_calls, 1) |
| 198 | |
| 199 | def test_remove_destruction_listener_wrong_type(self): |
| 200 | trace_class = get_default_trace_class() |
| 201 | trace = trace_class() |
| 202 | |
| 203 | with self.assertRaisesRegex( |
| 204 | TypeError, r"'int' is not a '<class 'bt2.utils._ListenerHandle'>' object" |
| 205 | ): |
| 206 | trace.remove_destruction_listener(123) |
| 207 | |
| 208 | def test_remove_destruction_listener_wrong_object(self): |
| 209 | def on_trace_destruction(trace): |
| 210 | pass |
| 211 | |
| 212 | trace_class_1 = get_default_trace_class() |
| 213 | trace1 = trace_class_1() |
| 214 | trace_class_2 = get_default_trace_class() |
| 215 | trace2 = trace_class_2() |
| 216 | |
| 217 | handle1 = trace1.add_destruction_listener(on_trace_destruction) |
| 218 | |
| 219 | with self.assertRaisesRegex( |
| 220 | ValueError, |
| 221 | r'This trace destruction listener does not match the trace object\.', |
| 222 | ): |
| 223 | trace2.remove_destruction_listener(handle1) |
| 224 | |
| 225 | def test_remove_destruction_listener_twice(self): |
| 226 | def on_trace_destruction(trace_class): |
| 227 | pass |
| 228 | |
| 229 | trace_class = get_default_trace_class() |
| 230 | trace = trace_class() |
| 231 | handle = trace.add_destruction_listener(on_trace_destruction) |
| 232 | |
| 233 | trace.remove_destruction_listener(handle) |
| 234 | |
| 235 | with self.assertRaisesRegex( |
| 236 | ValueError, r'This trace destruction listener was already removed\.' |
| 237 | ): |
| 238 | trace.remove_destruction_listener(handle) |
| 239 | |
| 240 | def test_raise_in_destruction_listener(self): |
| 241 | def on_trace_destruction(trace): |
| 242 | raise ValueError('it hurts') |
| 243 | |
| 244 | trace_class = get_default_trace_class() |
| 245 | trace = trace_class() |
| 246 | trace.add_destruction_listener(on_trace_destruction) |
| 247 | |
| 248 | del trace |
| 249 | |
| 250 | |
| 251 | if __name__ == '__main__': |
| 252 | unittest.main() |