| 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 | import bt2 |
| 21 | import sys |
| 22 | from utils import TestOutputPortMessageIterator |
| 23 | from bt2 import port as bt2_port |
| 24 | from bt2 import message_iterator as bt2_message_iterator |
| 25 | |
| 26 | |
| 27 | class SimpleSink(bt2._UserSinkComponent): |
| 28 | # Straightforward sink that creates one input port (`in`) and consumes from |
| 29 | # it. |
| 30 | |
| 31 | def __init__(self, config, params, obj): |
| 32 | self._add_input_port('in') |
| 33 | |
| 34 | def _user_consume(self): |
| 35 | next(self._msg_iter) |
| 36 | |
| 37 | def _user_graph_is_configured(self): |
| 38 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 39 | |
| 40 | |
| 41 | def _create_graph(src_comp_cls, sink_comp_cls, flt_comp_cls=None): |
| 42 | graph = bt2.Graph() |
| 43 | |
| 44 | src_comp = graph.add_component(src_comp_cls, 'src') |
| 45 | sink_comp = graph.add_component(sink_comp_cls, 'sink') |
| 46 | |
| 47 | if flt_comp_cls is not None: |
| 48 | flt_comp = graph.add_component(flt_comp_cls, 'flt') |
| 49 | graph.connect_ports(src_comp.output_ports['out'], flt_comp.input_ports['in']) |
| 50 | graph.connect_ports(flt_comp.output_ports['out'], sink_comp.input_ports['in']) |
| 51 | else: |
| 52 | graph.connect_ports(src_comp.output_ports['out'], sink_comp.input_ports['in']) |
| 53 | |
| 54 | return graph |
| 55 | |
| 56 | |
| 57 | class UserMessageIteratorTestCase(unittest.TestCase): |
| 58 | def test_init(self): |
| 59 | the_output_port_from_source = None |
| 60 | the_output_port_from_iter = None |
| 61 | |
| 62 | class MyIter(bt2._UserMessageIterator): |
| 63 | def __init__(self, config, self_port_output): |
| 64 | nonlocal initialized |
| 65 | nonlocal the_output_port_from_iter |
| 66 | initialized = True |
| 67 | the_output_port_from_iter = self_port_output |
| 68 | |
| 69 | class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter): |
| 70 | def __init__(self, config, params, obj): |
| 71 | nonlocal the_output_port_from_source |
| 72 | the_output_port_from_source = self._add_output_port('out', 'user data') |
| 73 | |
| 74 | initialized = False |
| 75 | graph = _create_graph(MySource, SimpleSink) |
| 76 | graph.run() |
| 77 | self.assertTrue(initialized) |
| 78 | self.assertEqual( |
| 79 | the_output_port_from_source.addr, the_output_port_from_iter.addr |
| 80 | ) |
| 81 | self.assertEqual(the_output_port_from_iter.user_data, 'user data') |
| 82 | |
| 83 | def test_create_from_message_iterator(self): |
| 84 | class MySourceIter(bt2._UserMessageIterator): |
| 85 | def __init__(self, config, self_port_output): |
| 86 | nonlocal src_iter_initialized |
| 87 | src_iter_initialized = True |
| 88 | |
| 89 | class MySource(bt2._UserSourceComponent, message_iterator_class=MySourceIter): |
| 90 | def __init__(self, config, params, obj): |
| 91 | self._add_output_port('out') |
| 92 | |
| 93 | class MyFilterIter(bt2._UserMessageIterator): |
| 94 | def __init__(self, config, self_port_output): |
| 95 | nonlocal flt_iter_initialized |
| 96 | flt_iter_initialized = True |
| 97 | self._up_iter = self._create_message_iterator( |
| 98 | self._component._input_ports['in'] |
| 99 | ) |
| 100 | |
| 101 | def __next__(self): |
| 102 | return next(self._up_iter) |
| 103 | |
| 104 | class MyFilter(bt2._UserFilterComponent, message_iterator_class=MyFilterIter): |
| 105 | def __init__(self, config, params, obj): |
| 106 | self._add_input_port('in') |
| 107 | self._add_output_port('out') |
| 108 | |
| 109 | src_iter_initialized = False |
| 110 | flt_iter_initialized = False |
| 111 | graph = _create_graph(MySource, SimpleSink, MyFilter) |
| 112 | graph.run() |
| 113 | self.assertTrue(src_iter_initialized) |
| 114 | self.assertTrue(flt_iter_initialized) |
| 115 | |
| 116 | def test_create_user_error(self): |
| 117 | # This tests both error handling by |
| 118 | # _UserSinkComponent._create_message_iterator |
| 119 | # and _UserMessageIterator._create_message_iterator, as they |
| 120 | # are both used in the graph. |
| 121 | class MySourceIter(bt2._UserMessageIterator): |
| 122 | def __init__(self, config, self_port_output): |
| 123 | raise ValueError('Very bad error') |
| 124 | |
| 125 | class MySource(bt2._UserSourceComponent, message_iterator_class=MySourceIter): |
| 126 | def __init__(self, config, params, obj): |
| 127 | self._add_output_port('out') |
| 128 | |
| 129 | class MyFilterIter(bt2._UserMessageIterator): |
| 130 | def __init__(self, config, self_port_output): |
| 131 | # This is expected to raise because of the error in |
| 132 | # MySourceIter.__init__. |
| 133 | self._create_message_iterator(self._component._input_ports['in']) |
| 134 | |
| 135 | class MyFilter(bt2._UserFilterComponent, message_iterator_class=MyFilterIter): |
| 136 | def __init__(self, config, params, obj): |
| 137 | self._add_input_port('in') |
| 138 | self._add_output_port('out') |
| 139 | |
| 140 | graph = _create_graph(MySource, SimpleSink, MyFilter) |
| 141 | |
| 142 | with self.assertRaises(bt2._Error) as ctx: |
| 143 | graph.run() |
| 144 | |
| 145 | exc = ctx.exception |
| 146 | cause = exc[0] |
| 147 | |
| 148 | self.assertIsInstance(cause, bt2._MessageIteratorErrorCause) |
| 149 | self.assertEqual(cause.component_name, 'src') |
| 150 | self.assertEqual(cause.component_output_port_name, 'out') |
| 151 | self.assertIn('ValueError: Very bad error', cause.message) |
| 152 | |
| 153 | def test_finalize(self): |
| 154 | class MyIter(bt2._UserMessageIterator): |
| 155 | def _user_finalize(self): |
| 156 | nonlocal finalized |
| 157 | finalized = True |
| 158 | |
| 159 | class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter): |
| 160 | def __init__(self, config, params, obj): |
| 161 | self._add_output_port('out') |
| 162 | |
| 163 | finalized = False |
| 164 | graph = _create_graph(MySource, SimpleSink) |
| 165 | graph.run() |
| 166 | del graph |
| 167 | self.assertTrue(finalized) |
| 168 | |
| 169 | def test_config_parameter(self): |
| 170 | class MyIter(bt2._UserMessageIterator): |
| 171 | def __init__(self, config, port): |
| 172 | nonlocal config_type |
| 173 | config_type = type(config) |
| 174 | |
| 175 | class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter): |
| 176 | def __init__(self, config, params, obj): |
| 177 | self._add_output_port('out') |
| 178 | |
| 179 | config_type = None |
| 180 | graph = _create_graph(MySource, SimpleSink) |
| 181 | graph.run() |
| 182 | self.assertIs(config_type, bt2_message_iterator._MessageIteratorConfiguration) |
| 183 | |
| 184 | def _test_config_can_seek_forward(self, set_can_seek_forward): |
| 185 | class MyIter(bt2._UserMessageIterator): |
| 186 | def __init__(self, config, port): |
| 187 | if set_can_seek_forward: |
| 188 | config.can_seek_forward = True |
| 189 | |
| 190 | class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter): |
| 191 | def __init__(self, config, params, obj): |
| 192 | self._add_output_port('out') |
| 193 | |
| 194 | class MySink(bt2._UserSinkComponent): |
| 195 | def __init__(self, config, params, obj): |
| 196 | self._add_input_port('in') |
| 197 | |
| 198 | def _user_graph_is_configured(self): |
| 199 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 200 | |
| 201 | def _user_consume(self): |
| 202 | nonlocal can_seek_forward |
| 203 | can_seek_forward = self._msg_iter.can_seek_forward |
| 204 | |
| 205 | can_seek_forward = None |
| 206 | graph = _create_graph(MySource, MySink) |
| 207 | graph.run_once() |
| 208 | self.assertIs(can_seek_forward, set_can_seek_forward) |
| 209 | |
| 210 | def test_config_can_seek_forward_default(self): |
| 211 | self._test_config_can_seek_forward(False) |
| 212 | |
| 213 | def test_config_can_seek_forward(self): |
| 214 | self._test_config_can_seek_forward(True) |
| 215 | |
| 216 | def test_config_can_seek_forward_wrong_type(self): |
| 217 | class MyIter(bt2._UserMessageIterator): |
| 218 | def __init__(self, config, port): |
| 219 | config.can_seek_forward = 1 |
| 220 | |
| 221 | class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter): |
| 222 | def __init__(self, config, params, obj): |
| 223 | self._add_output_port('out') |
| 224 | |
| 225 | graph = _create_graph(MySource, SimpleSink) |
| 226 | with self.assertRaises(bt2._Error) as ctx: |
| 227 | graph.run() |
| 228 | |
| 229 | root_cause = ctx.exception[0] |
| 230 | self.assertIn("TypeError: 'int' is not a 'bool' object", root_cause.message) |
| 231 | |
| 232 | def test_component(self): |
| 233 | class MyIter(bt2._UserMessageIterator): |
| 234 | def __init__(self, config, self_port_output): |
| 235 | nonlocal salut |
| 236 | salut = self._component._salut |
| 237 | |
| 238 | class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter): |
| 239 | def __init__(self, config, params, obj): |
| 240 | self._add_output_port('out') |
| 241 | self._salut = 23 |
| 242 | |
| 243 | salut = None |
| 244 | graph = _create_graph(MySource, SimpleSink) |
| 245 | graph.run() |
| 246 | self.assertEqual(salut, 23) |
| 247 | |
| 248 | def test_port(self): |
| 249 | class MyIter(bt2._UserMessageIterator): |
| 250 | def __init__(self_iter, config, self_port_output): |
| 251 | nonlocal called |
| 252 | called = True |
| 253 | port = self_iter._port |
| 254 | self.assertIs(type(self_port_output), bt2_port._UserComponentOutputPort) |
| 255 | self.assertIs(type(port), bt2_port._UserComponentOutputPort) |
| 256 | self.assertEqual(self_port_output.addr, port.addr) |
| 257 | |
| 258 | class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter): |
| 259 | def __init__(self, config, params, obj): |
| 260 | self._add_output_port('out') |
| 261 | |
| 262 | called = False |
| 263 | graph = _create_graph(MySource, SimpleSink) |
| 264 | graph.run() |
| 265 | self.assertTrue(called) |
| 266 | |
| 267 | def test_addr(self): |
| 268 | class MyIter(bt2._UserMessageIterator): |
| 269 | def __init__(self, config, self_port_output): |
| 270 | nonlocal addr |
| 271 | addr = self.addr |
| 272 | |
| 273 | class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter): |
| 274 | def __init__(self, config, params, obj): |
| 275 | self._add_output_port('out') |
| 276 | |
| 277 | addr = None |
| 278 | graph = _create_graph(MySource, SimpleSink) |
| 279 | graph.run() |
| 280 | self.assertIsNotNone(addr) |
| 281 | self.assertNotEqual(addr, 0) |
| 282 | |
| 283 | # Test that messages returned by _UserMessageIterator.__next__ remain valid |
| 284 | # and can be re-used. |
| 285 | def test_reuse_message(self): |
| 286 | class MyIter(bt2._UserMessageIterator): |
| 287 | def __init__(self, config, port): |
| 288 | tc, sc, ec = port.user_data |
| 289 | trace = tc() |
| 290 | stream = trace.create_stream(sc) |
| 291 | packet = stream.create_packet() |
| 292 | |
| 293 | # This message will be returned twice by __next__. |
| 294 | event_message = self._create_event_message(ec, packet) |
| 295 | |
| 296 | self._msgs = [ |
| 297 | self._create_stream_beginning_message(stream), |
| 298 | self._create_packet_beginning_message(packet), |
| 299 | event_message, |
| 300 | event_message, |
| 301 | ] |
| 302 | |
| 303 | def __next__(self): |
| 304 | return self._msgs.pop(0) |
| 305 | |
| 306 | class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter): |
| 307 | def __init__(self, config, params, obj): |
| 308 | tc = self._create_trace_class() |
| 309 | sc = tc.create_stream_class(supports_packets=True) |
| 310 | ec = sc.create_event_class() |
| 311 | self._add_output_port('out', (tc, sc, ec)) |
| 312 | |
| 313 | graph = bt2.Graph() |
| 314 | src = graph.add_component(MySource, 'src') |
| 315 | it = TestOutputPortMessageIterator(graph, src.output_ports['out']) |
| 316 | |
| 317 | # Skip beginning messages. |
| 318 | msg = next(it) |
| 319 | self.assertIs(type(msg), bt2._StreamBeginningMessageConst) |
| 320 | msg = next(it) |
| 321 | self.assertIs(type(msg), bt2._PacketBeginningMessageConst) |
| 322 | |
| 323 | msg_ev1 = next(it) |
| 324 | msg_ev2 = next(it) |
| 325 | |
| 326 | self.assertIs(type(msg_ev1), bt2._EventMessageConst) |
| 327 | self.assertIs(type(msg_ev2), bt2._EventMessageConst) |
| 328 | self.assertEqual(msg_ev1.addr, msg_ev2.addr) |
| 329 | |
| 330 | # Try consuming many times from an iterator that always returns TryAgain. |
| 331 | # This verifies that we are not missing an incref of Py_None, making the |
| 332 | # refcount of Py_None reach 0. |
| 333 | def test_try_again_many_times(self): |
| 334 | class MyIter(bt2._UserMessageIterator): |
| 335 | def __next__(self): |
| 336 | raise bt2.TryAgain |
| 337 | |
| 338 | class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter): |
| 339 | def __init__(self, config, params, obj): |
| 340 | self._add_output_port('out') |
| 341 | |
| 342 | class MyFilterIter(bt2._UserMessageIterator): |
| 343 | def __init__(self, port): |
| 344 | input_port = port.user_data |
| 345 | self._upstream_iter = self._create_message_iterator(input_port) |
| 346 | |
| 347 | def __next__(self): |
| 348 | return next(self._upstream_iter) |
| 349 | |
| 350 | def _user_seek_beginning(self): |
| 351 | self._upstream_iter.seek_beginning() |
| 352 | |
| 353 | def _user_can_seek_beginning(self): |
| 354 | return self._upstream_iter.can_seek_beginning() |
| 355 | |
| 356 | class MyFilter(bt2._UserFilterComponent, message_iterator_class=MyFilterIter): |
| 357 | def __init__(self, config, params, obj): |
| 358 | input_port = self._add_input_port('in') |
| 359 | self._add_output_port('out', input_port) |
| 360 | |
| 361 | graph = bt2.Graph() |
| 362 | src = graph.add_component(MySource, 'src') |
| 363 | it = TestOutputPortMessageIterator(graph, src.output_ports['out']) |
| 364 | |
| 365 | # Three times the initial ref count of `None` iterations should |
| 366 | # be enough to catch the bug even if there are small differences |
| 367 | # between configurations. |
| 368 | none_ref_count = sys.getrefcount(None) * 3 |
| 369 | |
| 370 | for i in range(none_ref_count): |
| 371 | with self.assertRaises(bt2.TryAgain): |
| 372 | next(it) |
| 373 | |
| 374 | def test_error_in_iterator_with_cycle_after_having_created_upstream_iterator(self): |
| 375 | # Test a failure that triggered an abort in libbabeltrace2, in this situation: |
| 376 | # |
| 377 | # - The filter iterator creates an upstream iterator. |
| 378 | # - The filter iterator creates a reference cycle, including itself. |
| 379 | # - An exception is raised, causing the filter iterator's |
| 380 | # initialization method to fail. |
| 381 | class MySourceIter(bt2._UserMessageIterator): |
| 382 | pass |
| 383 | |
| 384 | class MySource(bt2._UserSourceComponent, message_iterator_class=MySourceIter): |
| 385 | def __init__(self, config, params, obj): |
| 386 | self._add_output_port('out') |
| 387 | |
| 388 | class MyFilterIter(bt2._UserMessageIterator): |
| 389 | def __init__(self, config, port): |
| 390 | # First, create an upstream iterator. |
| 391 | self._upstream_iter = self._create_message_iterator( |
| 392 | self._component._input_ports['in'] |
| 393 | ) |
| 394 | |
| 395 | # Then, voluntarily make a reference cycle that will keep this |
| 396 | # Python object alive, which will keep the upstream iterator |
| 397 | # Babeltrace object alive. |
| 398 | self._self = self |
| 399 | |
| 400 | # Finally, raise an exception to make __init__ fail. |
| 401 | raise ValueError('woops') |
| 402 | |
| 403 | class MyFilter(bt2._UserFilterComponent, message_iterator_class=MyFilterIter): |
| 404 | def __init__(self, config, params, obj): |
| 405 | self._in = self._add_input_port('in') |
| 406 | self._out = self._add_output_port('out') |
| 407 | |
| 408 | class MySink(bt2._UserSinkComponent): |
| 409 | def __init__(self, config, params, obj): |
| 410 | self._input_port = self._add_input_port('in') |
| 411 | |
| 412 | def _user_graph_is_configured(self): |
| 413 | self._upstream_iter = self._create_message_iterator(self._input_port) |
| 414 | |
| 415 | def _user_consume(self): |
| 416 | # We should not reach this. |
| 417 | assert False |
| 418 | |
| 419 | g = bt2.Graph() |
| 420 | src = g.add_component(MySource, 'src') |
| 421 | flt = g.add_component(MyFilter, 'flt') |
| 422 | snk = g.add_component(MySink, 'snk') |
| 423 | g.connect_ports(src.output_ports['out'], flt.input_ports['in']) |
| 424 | g.connect_ports(flt.output_ports['out'], snk.input_ports['in']) |
| 425 | |
| 426 | with self.assertRaisesRegex(bt2._Error, 'ValueError: woops'): |
| 427 | g.run() |
| 428 | |
| 429 | |
| 430 | def _setup_seek_test( |
| 431 | sink_cls, |
| 432 | user_seek_beginning=None, |
| 433 | user_can_seek_beginning=None, |
| 434 | user_seek_ns_from_origin=None, |
| 435 | user_can_seek_ns_from_origin=None, |
| 436 | can_seek_forward=False, |
| 437 | ): |
| 438 | class MySourceIter(bt2._UserMessageIterator): |
| 439 | def __init__(self, config, port): |
| 440 | tc, sc, ec = port.user_data |
| 441 | trace = tc() |
| 442 | stream = trace.create_stream(sc) |
| 443 | packet = stream.create_packet() |
| 444 | |
| 445 | self._msgs = [ |
| 446 | self._create_stream_beginning_message(stream), |
| 447 | self._create_packet_beginning_message(packet), |
| 448 | self._create_event_message(ec, packet), |
| 449 | self._create_event_message(ec, packet), |
| 450 | self._create_packet_end_message(packet), |
| 451 | self._create_stream_end_message(stream), |
| 452 | ] |
| 453 | self._at = 0 |
| 454 | config.can_seek_forward = can_seek_forward |
| 455 | |
| 456 | def __next__(self): |
| 457 | if self._at < len(self._msgs): |
| 458 | msg = self._msgs[self._at] |
| 459 | self._at += 1 |
| 460 | return msg |
| 461 | else: |
| 462 | raise StopIteration |
| 463 | |
| 464 | if user_seek_beginning is not None: |
| 465 | MySourceIter._user_seek_beginning = user_seek_beginning |
| 466 | |
| 467 | if user_can_seek_beginning is not None: |
| 468 | MySourceIter._user_can_seek_beginning = user_can_seek_beginning |
| 469 | |
| 470 | if user_seek_ns_from_origin is not None: |
| 471 | MySourceIter._user_seek_ns_from_origin = user_seek_ns_from_origin |
| 472 | |
| 473 | if user_can_seek_ns_from_origin is not None: |
| 474 | MySourceIter._user_can_seek_ns_from_origin = user_can_seek_ns_from_origin |
| 475 | |
| 476 | class MySource(bt2._UserSourceComponent, message_iterator_class=MySourceIter): |
| 477 | def __init__(self, config, params, obj): |
| 478 | tc = self._create_trace_class() |
| 479 | sc = tc.create_stream_class(supports_packets=True) |
| 480 | ec = sc.create_event_class() |
| 481 | |
| 482 | self._add_output_port('out', (tc, sc, ec)) |
| 483 | |
| 484 | class MyFilterIter(bt2._UserMessageIterator): |
| 485 | def __init__(self, config, port): |
| 486 | self._upstream_iter = self._create_message_iterator( |
| 487 | self._component._input_ports['in'] |
| 488 | ) |
| 489 | config.can_seek_forward = self._upstream_iter.can_seek_forward |
| 490 | |
| 491 | def __next__(self): |
| 492 | return next(self._upstream_iter) |
| 493 | |
| 494 | def _user_can_seek_beginning(self): |
| 495 | return self._upstream_iter.can_seek_beginning() |
| 496 | |
| 497 | def _user_seek_beginning(self): |
| 498 | self._upstream_iter.seek_beginning() |
| 499 | |
| 500 | def _user_can_seek_ns_from_origin(self, ns_from_origin): |
| 501 | return self._upstream_iter.can_seek_ns_from_origin(ns_from_origin) |
| 502 | |
| 503 | def _user_seek_ns_from_origin(self, ns_from_origin): |
| 504 | self._upstream_iter.seek_ns_from_origin(ns_from_origin) |
| 505 | |
| 506 | class MyFilter(bt2._UserFilterComponent, message_iterator_class=MyFilterIter): |
| 507 | def __init__(self, config, params, obj): |
| 508 | self._add_input_port('in') |
| 509 | self._add_output_port('out') |
| 510 | |
| 511 | return _create_graph(MySource, sink_cls, flt_comp_cls=MyFilter) |
| 512 | |
| 513 | |
| 514 | class UserMessageIteratorSeekBeginningTestCase(unittest.TestCase): |
| 515 | def test_can_seek_beginning_without_seek_beginning(self): |
| 516 | with self.assertRaisesRegex( |
| 517 | bt2._IncompleteUserClass, |
| 518 | "cannot create component class 'MySource': message iterator class implements _user_can_seek_beginning but not _user_seek_beginning", |
| 519 | ): |
| 520 | _setup_seek_test(SimpleSink, user_can_seek_beginning=lambda: None) |
| 521 | |
| 522 | def test_can_seek_beginning(self): |
| 523 | class MySink(bt2._UserSinkComponent): |
| 524 | def __init__(self, config, params, obj): |
| 525 | self._add_input_port('in') |
| 526 | |
| 527 | def _user_graph_is_configured(self): |
| 528 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 529 | |
| 530 | def _user_consume(self): |
| 531 | nonlocal can_seek_beginning |
| 532 | can_seek_beginning = self._msg_iter.can_seek_beginning() |
| 533 | |
| 534 | def _user_can_seek_beginning(self): |
| 535 | nonlocal input_port_iter_can_seek_beginning |
| 536 | return input_port_iter_can_seek_beginning |
| 537 | |
| 538 | graph = _setup_seek_test( |
| 539 | MySink, |
| 540 | user_can_seek_beginning=_user_can_seek_beginning, |
| 541 | user_seek_beginning=lambda: None, |
| 542 | ) |
| 543 | |
| 544 | input_port_iter_can_seek_beginning = True |
| 545 | can_seek_beginning = None |
| 546 | graph.run_once() |
| 547 | self.assertIs(can_seek_beginning, True) |
| 548 | |
| 549 | input_port_iter_can_seek_beginning = False |
| 550 | can_seek_beginning = None |
| 551 | graph.run_once() |
| 552 | self.assertIs(can_seek_beginning, False) |
| 553 | |
| 554 | def test_no_can_seek_beginning_with_seek_beginning(self): |
| 555 | # Test an iterator without a _user_can_seek_beginning method, but with |
| 556 | # a _user_seek_beginning method. |
| 557 | class MySink(bt2._UserSinkComponent): |
| 558 | def __init__(self, config, params, obj): |
| 559 | self._add_input_port('in') |
| 560 | |
| 561 | def _user_graph_is_configured(self): |
| 562 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 563 | |
| 564 | def _user_consume(self): |
| 565 | nonlocal can_seek_beginning |
| 566 | can_seek_beginning = self._msg_iter.can_seek_beginning() |
| 567 | |
| 568 | def _user_seek_beginning(self): |
| 569 | pass |
| 570 | |
| 571 | graph = _setup_seek_test(MySink, user_seek_beginning=_user_seek_beginning) |
| 572 | can_seek_beginning = None |
| 573 | graph.run_once() |
| 574 | self.assertIs(can_seek_beginning, True) |
| 575 | |
| 576 | def test_no_can_seek_beginning(self): |
| 577 | # Test an iterator without a _user_can_seek_beginning method, without |
| 578 | # a _user_seek_beginning method. |
| 579 | class MySink(bt2._UserSinkComponent): |
| 580 | def __init__(self, config, params, obj): |
| 581 | self._add_input_port('in') |
| 582 | |
| 583 | def _user_graph_is_configured(self): |
| 584 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 585 | |
| 586 | def _user_consume(self): |
| 587 | nonlocal can_seek_beginning |
| 588 | can_seek_beginning = self._msg_iter.can_seek_beginning() |
| 589 | |
| 590 | graph = _setup_seek_test(MySink) |
| 591 | can_seek_beginning = None |
| 592 | graph.run_once() |
| 593 | self.assertIs(can_seek_beginning, False) |
| 594 | |
| 595 | def test_can_seek_beginning_user_error(self): |
| 596 | class MySink(bt2._UserSinkComponent): |
| 597 | def __init__(self, config, params, obj): |
| 598 | self._add_input_port('in') |
| 599 | |
| 600 | def _user_graph_is_configured(self): |
| 601 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 602 | |
| 603 | def _user_consume(self): |
| 604 | # This is expected to raise. |
| 605 | self._msg_iter.can_seek_beginning() |
| 606 | |
| 607 | def _user_can_seek_beginning(self): |
| 608 | raise ValueError('moustiquaire') |
| 609 | |
| 610 | graph = _setup_seek_test( |
| 611 | MySink, |
| 612 | user_can_seek_beginning=_user_can_seek_beginning, |
| 613 | user_seek_beginning=lambda: None, |
| 614 | ) |
| 615 | |
| 616 | with self.assertRaises(bt2._Error) as ctx: |
| 617 | graph.run_once() |
| 618 | |
| 619 | cause = ctx.exception[0] |
| 620 | self.assertIn('ValueError: moustiquaire', cause.message) |
| 621 | |
| 622 | def test_can_seek_beginning_wrong_return_value(self): |
| 623 | class MySink(bt2._UserSinkComponent): |
| 624 | def __init__(self, config, params, obj): |
| 625 | self._add_input_port('in') |
| 626 | |
| 627 | def _user_graph_is_configured(self): |
| 628 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 629 | |
| 630 | def _user_consume(self): |
| 631 | # This is expected to raise. |
| 632 | self._msg_iter.can_seek_beginning() |
| 633 | |
| 634 | def _user_can_seek_beginning(self): |
| 635 | return 'Amqui' |
| 636 | |
| 637 | graph = _setup_seek_test( |
| 638 | MySink, |
| 639 | user_can_seek_beginning=_user_can_seek_beginning, |
| 640 | user_seek_beginning=lambda: None, |
| 641 | ) |
| 642 | |
| 643 | with self.assertRaises(bt2._Error) as ctx: |
| 644 | graph.run_once() |
| 645 | |
| 646 | cause = ctx.exception[0] |
| 647 | self.assertIn("TypeError: 'str' is not a 'bool' object", cause.message) |
| 648 | |
| 649 | def test_seek_beginning(self): |
| 650 | class MySink(bt2._UserSinkComponent): |
| 651 | def __init__(self, config, params, obj): |
| 652 | self._add_input_port('in') |
| 653 | |
| 654 | def _user_graph_is_configured(self): |
| 655 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 656 | |
| 657 | def _user_consume(self): |
| 658 | nonlocal do_seek_beginning |
| 659 | nonlocal msg |
| 660 | |
| 661 | if do_seek_beginning: |
| 662 | self._msg_iter.seek_beginning() |
| 663 | return |
| 664 | |
| 665 | msg = next(self._msg_iter) |
| 666 | |
| 667 | def _user_seek_beginning(self): |
| 668 | self._at = 0 |
| 669 | |
| 670 | msg = None |
| 671 | graph = _setup_seek_test(MySink, user_seek_beginning=_user_seek_beginning) |
| 672 | |
| 673 | # Consume message. |
| 674 | do_seek_beginning = False |
| 675 | graph.run_once() |
| 676 | self.assertIs(type(msg), bt2._StreamBeginningMessageConst) |
| 677 | |
| 678 | # Consume message. |
| 679 | graph.run_once() |
| 680 | self.assertIs(type(msg), bt2._PacketBeginningMessageConst) |
| 681 | |
| 682 | # Seek beginning. |
| 683 | do_seek_beginning = True |
| 684 | graph.run_once() |
| 685 | |
| 686 | # Consume message. |
| 687 | do_seek_beginning = False |
| 688 | graph.run_once() |
| 689 | self.assertIs(type(msg), bt2._StreamBeginningMessageConst) |
| 690 | |
| 691 | def test_seek_beginning_user_error(self): |
| 692 | class MySink(bt2._UserSinkComponent): |
| 693 | def __init__(self, config, params, obj): |
| 694 | self._add_input_port('in') |
| 695 | |
| 696 | def _user_graph_is_configured(self): |
| 697 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 698 | |
| 699 | def _user_consume(self): |
| 700 | self._msg_iter.seek_beginning() |
| 701 | |
| 702 | def _user_seek_beginning(self): |
| 703 | raise ValueError('ouch') |
| 704 | |
| 705 | graph = _setup_seek_test(MySink, user_seek_beginning=_user_seek_beginning) |
| 706 | |
| 707 | with self.assertRaises(bt2._Error): |
| 708 | graph.run_once() |
| 709 | |
| 710 | |
| 711 | class UserMessageIteratorSeekNsFromOriginTestCase(unittest.TestCase): |
| 712 | def test_can_seek_ns_from_origin_without_seek_ns_from_origin(self): |
| 713 | # Test the case where: |
| 714 | # |
| 715 | # - can_seek_ns_from_origin: Returns True (don't really care, as long |
| 716 | # as it's provided) |
| 717 | # - seek_ns_from_origin provided: No |
| 718 | # - can the iterator seek beginning: Don't care |
| 719 | # - can the iterator seek forward: Don't care |
| 720 | for can_seek_ns_from_origin in (False, True): |
| 721 | for iter_can_seek_beginning in (False, True): |
| 722 | for iter_can_seek_forward in (False, True): |
| 723 | with self.assertRaisesRegex( |
| 724 | bt2._IncompleteUserClass, |
| 725 | "cannot create component class 'MySource': message iterator class implements _user_can_seek_ns_from_origin but not _user_seek_ns_from_origin", |
| 726 | ): |
| 727 | self._can_seek_ns_from_origin_test( |
| 728 | None, |
| 729 | user_can_seek_ns_from_origin_ret_val=True, |
| 730 | user_seek_ns_from_origin_provided=False, |
| 731 | iter_can_seek_beginning=iter_can_seek_beginning, |
| 732 | iter_can_seek_forward=iter_can_seek_forward, |
| 733 | ) |
| 734 | |
| 735 | def test_can_seek_ns_from_origin_returns_true(self): |
| 736 | # Test the case where: |
| 737 | # |
| 738 | # - can_seek_ns_from_origin: returns True |
| 739 | # - seek_ns_from_origin provided: Yes |
| 740 | # - can the iterator seek beginning: Don't care |
| 741 | # - can the iterator seek forward: Don't care |
| 742 | # |
| 743 | # We expect iter.can_seek_ns_from_origin to return True. |
| 744 | for iter_can_seek_beginning in (False, True): |
| 745 | for iter_can_seek_forward in (False, True): |
| 746 | self._can_seek_ns_from_origin_test( |
| 747 | expected_outcome=True, |
| 748 | user_can_seek_ns_from_origin_ret_val=True, |
| 749 | user_seek_ns_from_origin_provided=True, |
| 750 | iter_can_seek_beginning=iter_can_seek_beginning, |
| 751 | iter_can_seek_forward=iter_can_seek_forward, |
| 752 | ) |
| 753 | |
| 754 | def test_can_seek_ns_from_origin_returns_false_can_seek_beginning_forward_seekable( |
| 755 | self, |
| 756 | ): |
| 757 | # Test the case where: |
| 758 | # |
| 759 | # - can_seek_ns_from_origin: returns False |
| 760 | # - seek_ns_from_origin provided: Yes |
| 761 | # - can the iterator seek beginning: Yes |
| 762 | # - can the iterator seek forward: Yes |
| 763 | # |
| 764 | # We expect iter.can_seek_ns_from_origin to return True. |
| 765 | self._can_seek_ns_from_origin_test( |
| 766 | expected_outcome=True, |
| 767 | user_can_seek_ns_from_origin_ret_val=False, |
| 768 | user_seek_ns_from_origin_provided=True, |
| 769 | iter_can_seek_beginning=True, |
| 770 | iter_can_seek_forward=True, |
| 771 | ) |
| 772 | |
| 773 | def test_can_seek_ns_from_origin_returns_false_can_seek_beginning_not_forward_seekable( |
| 774 | self, |
| 775 | ): |
| 776 | # Test the case where: |
| 777 | # |
| 778 | # - can_seek_ns_from_origin: returns False |
| 779 | # - seek_ns_from_origin provided: Yes |
| 780 | # - can the iterator seek beginning: Yes |
| 781 | # - can the iterator seek forward: No |
| 782 | # |
| 783 | # We expect iter.can_seek_ns_from_origin to return False. |
| 784 | self._can_seek_ns_from_origin_test( |
| 785 | expected_outcome=False, |
| 786 | user_can_seek_ns_from_origin_ret_val=False, |
| 787 | user_seek_ns_from_origin_provided=True, |
| 788 | iter_can_seek_beginning=True, |
| 789 | iter_can_seek_forward=False, |
| 790 | ) |
| 791 | |
| 792 | def test_can_seek_ns_from_origin_returns_false_cant_seek_beginning_forward_seekable( |
| 793 | self, |
| 794 | ): |
| 795 | # Test the case where: |
| 796 | # |
| 797 | # - can_seek_ns_from_origin: returns False |
| 798 | # - seek_ns_from_origin provided: Yes |
| 799 | # - can the iterator seek beginning: No |
| 800 | # - can the iterator seek forward: Yes |
| 801 | # |
| 802 | # We expect iter.can_seek_ns_from_origin to return False. |
| 803 | self._can_seek_ns_from_origin_test( |
| 804 | expected_outcome=False, |
| 805 | user_can_seek_ns_from_origin_ret_val=False, |
| 806 | user_seek_ns_from_origin_provided=True, |
| 807 | iter_can_seek_beginning=False, |
| 808 | iter_can_seek_forward=True, |
| 809 | ) |
| 810 | |
| 811 | def test_can_seek_ns_from_origin_returns_false_cant_seek_beginning_not_forward_seekable( |
| 812 | self, |
| 813 | ): |
| 814 | # Test the case where: |
| 815 | # |
| 816 | # - can_seek_ns_from_origin: returns False |
| 817 | # - seek_ns_from_origin provided: Yes |
| 818 | # - can the iterator seek beginning: No |
| 819 | # - can the iterator seek forward: No |
| 820 | # |
| 821 | # We expect iter.can_seek_ns_from_origin to return False. |
| 822 | self._can_seek_ns_from_origin_test( |
| 823 | expected_outcome=False, |
| 824 | user_can_seek_ns_from_origin_ret_val=False, |
| 825 | user_seek_ns_from_origin_provided=True, |
| 826 | iter_can_seek_beginning=False, |
| 827 | iter_can_seek_forward=False, |
| 828 | ) |
| 829 | |
| 830 | def test_no_can_seek_ns_from_origin_seek_ns_from_origin(self): |
| 831 | # Test the case where: |
| 832 | # |
| 833 | # - can_seek_ns_from_origin: Not provided |
| 834 | # - seek_ns_from_origin provided: Yes |
| 835 | # - can the iterator seek beginning: Don't care |
| 836 | # - can the iterator seek forward: Don't care |
| 837 | # |
| 838 | # We expect iter.can_seek_ns_from_origin to return True. |
| 839 | for iter_can_seek_beginning in (False, True): |
| 840 | for iter_can_seek_forward in (False, True): |
| 841 | self._can_seek_ns_from_origin_test( |
| 842 | expected_outcome=True, |
| 843 | user_can_seek_ns_from_origin_ret_val=None, |
| 844 | user_seek_ns_from_origin_provided=True, |
| 845 | iter_can_seek_beginning=iter_can_seek_beginning, |
| 846 | iter_can_seek_forward=iter_can_seek_forward, |
| 847 | ) |
| 848 | |
| 849 | def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_can_seek_beginning_forward_seekable( |
| 850 | self, |
| 851 | ): |
| 852 | # Test the case where: |
| 853 | # |
| 854 | # - can_seek_ns_from_origin: Not provided |
| 855 | # - seek_ns_from_origin provided: Not provided |
| 856 | # - can the iterator seek beginning: Yes |
| 857 | # - can the iterator seek forward: Yes |
| 858 | # |
| 859 | # We expect iter.can_seek_ns_from_origin to return True. |
| 860 | self._can_seek_ns_from_origin_test( |
| 861 | expected_outcome=True, |
| 862 | user_can_seek_ns_from_origin_ret_val=None, |
| 863 | user_seek_ns_from_origin_provided=False, |
| 864 | iter_can_seek_beginning=True, |
| 865 | iter_can_seek_forward=True, |
| 866 | ) |
| 867 | |
| 868 | def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_can_seek_beginning_not_forward_seekable( |
| 869 | self, |
| 870 | ): |
| 871 | # Test the case where: |
| 872 | # |
| 873 | # - can_seek_ns_from_origin: Not provided |
| 874 | # - seek_ns_from_origin provided: Not provided |
| 875 | # - can the iterator seek beginning: Yes |
| 876 | # - can the iterator seek forward: No |
| 877 | # |
| 878 | # We expect iter.can_seek_ns_from_origin to return False. |
| 879 | self._can_seek_ns_from_origin_test( |
| 880 | expected_outcome=False, |
| 881 | user_can_seek_ns_from_origin_ret_val=None, |
| 882 | user_seek_ns_from_origin_provided=False, |
| 883 | iter_can_seek_beginning=True, |
| 884 | iter_can_seek_forward=False, |
| 885 | ) |
| 886 | |
| 887 | def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_cant_seek_beginning_forward_seekable( |
| 888 | self, |
| 889 | ): |
| 890 | # Test the case where: |
| 891 | # |
| 892 | # - can_seek_ns_from_origin: Not provided |
| 893 | # - seek_ns_from_origin provided: Not provided |
| 894 | # - can the iterator seek beginning: No |
| 895 | # - can the iterator seek forward: Yes |
| 896 | # |
| 897 | # We expect iter.can_seek_ns_from_origin to return False. |
| 898 | self._can_seek_ns_from_origin_test( |
| 899 | expected_outcome=False, |
| 900 | user_can_seek_ns_from_origin_ret_val=None, |
| 901 | user_seek_ns_from_origin_provided=False, |
| 902 | iter_can_seek_beginning=False, |
| 903 | iter_can_seek_forward=True, |
| 904 | ) |
| 905 | |
| 906 | def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_cant_seek_beginning_not_forward_seekable( |
| 907 | self, |
| 908 | ): |
| 909 | # Test the case where: |
| 910 | # |
| 911 | # - can_seek_ns_from_origin: Not provided |
| 912 | # - seek_ns_from_origin provided: Not provided |
| 913 | # - can the iterator seek beginning: No |
| 914 | # - can the iterator seek forward: No |
| 915 | # |
| 916 | # We expect iter.can_seek_ns_from_origin to return False. |
| 917 | self._can_seek_ns_from_origin_test( |
| 918 | expected_outcome=False, |
| 919 | user_can_seek_ns_from_origin_ret_val=None, |
| 920 | user_seek_ns_from_origin_provided=False, |
| 921 | iter_can_seek_beginning=False, |
| 922 | iter_can_seek_forward=False, |
| 923 | ) |
| 924 | |
| 925 | def _can_seek_ns_from_origin_test( |
| 926 | self, |
| 927 | expected_outcome, |
| 928 | user_can_seek_ns_from_origin_ret_val, |
| 929 | user_seek_ns_from_origin_provided, |
| 930 | iter_can_seek_beginning, |
| 931 | iter_can_seek_forward, |
| 932 | ): |
| 933 | class MySink(bt2._UserSinkComponent): |
| 934 | def __init__(self, config, params, obj): |
| 935 | self._add_input_port('in') |
| 936 | |
| 937 | def _user_graph_is_configured(self): |
| 938 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 939 | |
| 940 | def _user_consume(self): |
| 941 | nonlocal can_seek_ns_from_origin |
| 942 | can_seek_ns_from_origin = self._msg_iter.can_seek_ns_from_origin( |
| 943 | passed_ns_from_origin |
| 944 | ) |
| 945 | |
| 946 | if user_can_seek_ns_from_origin_ret_val is not None: |
| 947 | |
| 948 | def user_can_seek_ns_from_origin(self, ns_from_origin): |
| 949 | nonlocal received_ns_from_origin |
| 950 | received_ns_from_origin = ns_from_origin |
| 951 | return user_can_seek_ns_from_origin_ret_val |
| 952 | |
| 953 | else: |
| 954 | user_can_seek_ns_from_origin = None |
| 955 | |
| 956 | if user_seek_ns_from_origin_provided: |
| 957 | |
| 958 | def user_seek_ns_from_origin(self, ns_from_origin): |
| 959 | pass |
| 960 | |
| 961 | else: |
| 962 | user_seek_ns_from_origin = None |
| 963 | |
| 964 | if iter_can_seek_beginning: |
| 965 | |
| 966 | def user_seek_beginning(self): |
| 967 | pass |
| 968 | |
| 969 | else: |
| 970 | user_seek_beginning = None |
| 971 | |
| 972 | graph = _setup_seek_test( |
| 973 | MySink, |
| 974 | user_can_seek_ns_from_origin=user_can_seek_ns_from_origin, |
| 975 | user_seek_ns_from_origin=user_seek_ns_from_origin, |
| 976 | user_seek_beginning=user_seek_beginning, |
| 977 | can_seek_forward=iter_can_seek_forward, |
| 978 | ) |
| 979 | |
| 980 | passed_ns_from_origin = 77 |
| 981 | received_ns_from_origin = None |
| 982 | can_seek_ns_from_origin = None |
| 983 | graph.run_once() |
| 984 | self.assertIs(can_seek_ns_from_origin, expected_outcome) |
| 985 | |
| 986 | if user_can_seek_ns_from_origin_ret_val is not None: |
| 987 | self.assertEqual(received_ns_from_origin, passed_ns_from_origin) |
| 988 | |
| 989 | def test_can_seek_ns_from_origin_user_error(self): |
| 990 | class MySink(bt2._UserSinkComponent): |
| 991 | def __init__(self, config, params, obj): |
| 992 | self._add_input_port('in') |
| 993 | |
| 994 | def _user_graph_is_configured(self): |
| 995 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 996 | |
| 997 | def _user_consume(self): |
| 998 | # This is expected to raise. |
| 999 | self._msg_iter.can_seek_ns_from_origin(2) |
| 1000 | |
| 1001 | def _user_can_seek_ns_from_origin(self, ns_from_origin): |
| 1002 | raise ValueError('Joutel') |
| 1003 | |
| 1004 | graph = _setup_seek_test( |
| 1005 | MySink, |
| 1006 | user_can_seek_ns_from_origin=_user_can_seek_ns_from_origin, |
| 1007 | user_seek_ns_from_origin=lambda: None, |
| 1008 | ) |
| 1009 | |
| 1010 | with self.assertRaises(bt2._Error) as ctx: |
| 1011 | graph.run_once() |
| 1012 | |
| 1013 | cause = ctx.exception[0] |
| 1014 | self.assertIn('ValueError: Joutel', cause.message) |
| 1015 | |
| 1016 | def test_can_seek_ns_from_origin_wrong_return_value(self): |
| 1017 | class MySink(bt2._UserSinkComponent): |
| 1018 | def __init__(self, config, params, obj): |
| 1019 | self._add_input_port('in') |
| 1020 | |
| 1021 | def _user_graph_is_configured(self): |
| 1022 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 1023 | |
| 1024 | def _user_consume(self): |
| 1025 | # This is expected to raise. |
| 1026 | self._msg_iter.can_seek_ns_from_origin(2) |
| 1027 | |
| 1028 | def _user_can_seek_ns_from_origin(self, ns_from_origin): |
| 1029 | return 'Nitchequon' |
| 1030 | |
| 1031 | graph = _setup_seek_test( |
| 1032 | MySink, |
| 1033 | user_can_seek_ns_from_origin=_user_can_seek_ns_from_origin, |
| 1034 | user_seek_ns_from_origin=lambda: None, |
| 1035 | ) |
| 1036 | |
| 1037 | with self.assertRaises(bt2._Error) as ctx: |
| 1038 | graph.run_once() |
| 1039 | |
| 1040 | cause = ctx.exception[0] |
| 1041 | self.assertIn("TypeError: 'str' is not a 'bool' object", cause.message) |
| 1042 | |
| 1043 | def test_seek_ns_from_origin(self): |
| 1044 | class MySink(bt2._UserSinkComponent): |
| 1045 | def __init__(self, config, params, obj): |
| 1046 | self._add_input_port('in') |
| 1047 | |
| 1048 | def _user_graph_is_configured(self): |
| 1049 | self._msg_iter = self._create_message_iterator(self._input_ports['in']) |
| 1050 | |
| 1051 | def _user_consume(self): |
| 1052 | self._msg_iter.seek_ns_from_origin(17) |
| 1053 | |
| 1054 | def _user_seek_ns_from_origin(self, ns_from_origin): |
| 1055 | nonlocal actual_ns_from_origin |
| 1056 | actual_ns_from_origin = ns_from_origin |
| 1057 | |
| 1058 | graph = _setup_seek_test( |
| 1059 | MySink, user_seek_ns_from_origin=_user_seek_ns_from_origin |
| 1060 | ) |
| 1061 | |
| 1062 | actual_ns_from_origin = None |
| 1063 | graph.run_once() |
| 1064 | self.assertEqual(actual_ns_from_origin, 17) |
| 1065 | |
| 1066 | |
| 1067 | if __name__ == '__main__': |
| 1068 | unittest.main() |