| 1 | from bt2 import values |
| 2 | import collections |
| 3 | import unittest |
| 4 | import copy |
| 5 | import bt2 |
| 6 | |
| 7 | |
| 8 | class GraphTestCase(unittest.TestCase): |
| 9 | def setUp(self): |
| 10 | self._graph = bt2.Graph() |
| 11 | |
| 12 | def tearDown(self): |
| 13 | del self._graph |
| 14 | |
| 15 | def test_create_empty(self): |
| 16 | graph = bt2.Graph() |
| 17 | |
| 18 | def test_add_component_user_cls(self): |
| 19 | class MySink(bt2._UserSinkComponent): |
| 20 | def _consume(self): |
| 21 | pass |
| 22 | |
| 23 | comp = self._graph.add_component(MySink, 'salut') |
| 24 | self.assertEqual(comp.name, 'salut') |
| 25 | |
| 26 | def test_add_component_gen_cls(self): |
| 27 | class MySink(bt2._UserSinkComponent): |
| 28 | def _consume(self): |
| 29 | pass |
| 30 | |
| 31 | comp = self._graph.add_component(MySink, 'salut') |
| 32 | assert(comp) |
| 33 | comp2 = self._graph.add_component(comp.component_class, 'salut2') |
| 34 | self.assertEqual(comp2.name, 'salut2') |
| 35 | |
| 36 | def test_add_component_params(self): |
| 37 | comp_params = None |
| 38 | |
| 39 | class MySink(bt2._UserSinkComponent): |
| 40 | def __init__(self, params): |
| 41 | nonlocal comp_params |
| 42 | comp_params = params |
| 43 | |
| 44 | def _consume(self): |
| 45 | pass |
| 46 | |
| 47 | params = {'hello': 23, 'path': '/path/to/stuff'} |
| 48 | comp = self._graph.add_component(MySink, 'salut', params) |
| 49 | self.assertEqual(params, comp_params) |
| 50 | del comp_params |
| 51 | |
| 52 | def test_add_component_invalid_cls_type(self): |
| 53 | with self.assertRaises(TypeError): |
| 54 | self._graph.add_component(int, 'salut') |
| 55 | |
| 56 | def test_connect_ports(self): |
| 57 | class MyIter(bt2._UserNotificationIterator): |
| 58 | def __next__(self): |
| 59 | raise bt2.Stop |
| 60 | |
| 61 | class MySource(bt2._UserSourceComponent, |
| 62 | notification_iterator_class=MyIter): |
| 63 | def __init__(self, params): |
| 64 | self._add_output_port('out') |
| 65 | |
| 66 | class MySink(bt2._UserSinkComponent): |
| 67 | def __init__(self, params): |
| 68 | self._add_input_port('in') |
| 69 | |
| 70 | def _consume(self): |
| 71 | raise bt2.Stop |
| 72 | |
| 73 | src = self._graph.add_component(MySource, 'src') |
| 74 | sink = self._graph.add_component(MySink, 'sink') |
| 75 | conn = self._graph.connect_ports(src.output_ports['out'], |
| 76 | sink.input_ports['in']) |
| 77 | self.assertTrue(src.output_ports['out'].is_connected) |
| 78 | self.assertTrue(sink.input_ports['in'].is_connected) |
| 79 | self.assertEqual(src.output_ports['out'].connection, conn) |
| 80 | self.assertEqual(sink.input_ports['in'].connection, conn) |
| 81 | |
| 82 | def test_connect_ports_invalid_direction(self): |
| 83 | class MyIter(bt2._UserNotificationIterator): |
| 84 | def __next__(self): |
| 85 | raise bt2.Stop |
| 86 | |
| 87 | class MySource(bt2._UserSourceComponent, |
| 88 | notification_iterator_class=MyIter): |
| 89 | def __init__(self, params): |
| 90 | self._add_output_port('out') |
| 91 | |
| 92 | class MySink(bt2._UserSinkComponent): |
| 93 | def __init__(self, params): |
| 94 | self._add_input_port('in') |
| 95 | |
| 96 | def _consume(self): |
| 97 | raise bt2.Stop |
| 98 | |
| 99 | src = self._graph.add_component(MySource, 'src') |
| 100 | sink = self._graph.add_component(MySink, 'sink') |
| 101 | |
| 102 | with self.assertRaises(TypeError): |
| 103 | conn = self._graph.connect_ports(sink.input_ports['in'], |
| 104 | src.output_ports['out']) |
| 105 | |
| 106 | def test_connect_ports_refused(self): |
| 107 | class MyIter(bt2._UserNotificationIterator): |
| 108 | def __next__(self): |
| 109 | raise bt2.Stop |
| 110 | |
| 111 | class MySource(bt2._UserSourceComponent, |
| 112 | notification_iterator_class=MyIter): |
| 113 | def __init__(self, params): |
| 114 | self._add_output_port('out') |
| 115 | |
| 116 | class MySink(bt2._UserSinkComponent): |
| 117 | def __init__(self, params): |
| 118 | self._add_input_port('in') |
| 119 | |
| 120 | def _consume(self): |
| 121 | raise bt2.Stop |
| 122 | |
| 123 | def _accept_port_connection(self, port, other_port): |
| 124 | return False |
| 125 | |
| 126 | src = self._graph.add_component(MySource, 'src') |
| 127 | sink = self._graph.add_component(MySink, 'sink') |
| 128 | |
| 129 | with self.assertRaises(bt2.PortConnectionRefused): |
| 130 | conn = self._graph.connect_ports(src.output_ports['out'], |
| 131 | sink.input_ports['in']) |
| 132 | |
| 133 | def test_connect_ports_canceled(self): |
| 134 | class MyIter(bt2._UserNotificationIterator): |
| 135 | def __next__(self): |
| 136 | raise bt2.Stop |
| 137 | |
| 138 | class MySource(bt2._UserSourceComponent, |
| 139 | notification_iterator_class=MyIter): |
| 140 | def __init__(self, params): |
| 141 | self._add_output_port('out') |
| 142 | |
| 143 | class MySink(bt2._UserSinkComponent): |
| 144 | def __init__(self, params): |
| 145 | self._add_input_port('in') |
| 146 | |
| 147 | def _consume(self): |
| 148 | raise bt2.Stop |
| 149 | |
| 150 | src = self._graph.add_component(MySource, 'src') |
| 151 | sink = self._graph.add_component(MySink, 'sink') |
| 152 | self._graph.cancel() |
| 153 | |
| 154 | with self.assertRaises(bt2.GraphCanceled): |
| 155 | conn = self._graph.connect_ports(src.output_ports['out'], |
| 156 | sink.input_ports['in']) |
| 157 | |
| 158 | def test_connect_ports_cannot_consume_accept(self): |
| 159 | class MyIter(bt2._UserNotificationIterator): |
| 160 | def __next__(self): |
| 161 | raise bt2.Stop |
| 162 | |
| 163 | class MySource(bt2._UserSourceComponent, |
| 164 | notification_iterator_class=MyIter): |
| 165 | def __init__(self, params): |
| 166 | self._add_output_port('out') |
| 167 | |
| 168 | class MySink(bt2._UserSinkComponent): |
| 169 | def __init__(self, params): |
| 170 | self._add_input_port('in') |
| 171 | |
| 172 | def _consume(self): |
| 173 | raise bt2.Stop |
| 174 | |
| 175 | def _accept_port_connection(self, port, other_port): |
| 176 | nonlocal exc |
| 177 | |
| 178 | try: |
| 179 | self.graph.run() |
| 180 | except Exception as e: |
| 181 | exc = e |
| 182 | |
| 183 | return True |
| 184 | |
| 185 | exc = None |
| 186 | src = self._graph.add_component(MySource, 'src') |
| 187 | sink = self._graph.add_component(MySink, 'sink') |
| 188 | self._graph.connect_ports(src.output_ports['out'], |
| 189 | sink.input_ports['in']) |
| 190 | self.assertIs(type(exc), bt2.CannotConsumeGraph) |
| 191 | |
| 192 | def test_connect_ports_cannot_consume_connected(self): |
| 193 | class MyIter(bt2._UserNotificationIterator): |
| 194 | def __next__(self): |
| 195 | raise bt2.Stop |
| 196 | |
| 197 | class MySource(bt2._UserSourceComponent, |
| 198 | notification_iterator_class=MyIter): |
| 199 | def __init__(self, params): |
| 200 | self._add_output_port('out') |
| 201 | |
| 202 | class MySink(bt2._UserSinkComponent): |
| 203 | def __init__(self, params): |
| 204 | self._add_input_port('in') |
| 205 | |
| 206 | def _consume(self): |
| 207 | raise bt2.Stop |
| 208 | |
| 209 | def _port_connected(self, port, other_port): |
| 210 | nonlocal exc |
| 211 | |
| 212 | try: |
| 213 | self.graph.run() |
| 214 | except Exception as e: |
| 215 | exc = e |
| 216 | |
| 217 | return True |
| 218 | |
| 219 | exc = None |
| 220 | src = self._graph.add_component(MySource, 'src') |
| 221 | sink = self._graph.add_component(MySink, 'sink') |
| 222 | self._graph.connect_ports(src.output_ports['out'], |
| 223 | sink.input_ports['in']) |
| 224 | self._graph.run() |
| 225 | self.assertIs(type(exc), bt2.CannotConsumeGraph) |
| 226 | |
| 227 | def test_cancel(self): |
| 228 | self.assertFalse(self._graph.is_canceled) |
| 229 | self._graph.cancel() |
| 230 | self.assertTrue(self._graph.is_canceled) |
| 231 | |
| 232 | def test_run(self): |
| 233 | class MyIter(bt2._UserNotificationIterator): |
| 234 | def __init__(self): |
| 235 | self._build_meta() |
| 236 | self._at = 0 |
| 237 | |
| 238 | def _build_meta(self): |
| 239 | self._trace = bt2.Trace() |
| 240 | self._sc = bt2.StreamClass() |
| 241 | self._ec = bt2.EventClass('salut') |
| 242 | self._my_int_ft = bt2.IntegerFieldType(32) |
| 243 | self._ec.payload_field_type = bt2.StructureFieldType() |
| 244 | self._ec.payload_field_type += collections.OrderedDict([ |
| 245 | ('my_int', self._my_int_ft), |
| 246 | ]) |
| 247 | self._sc.add_event_class(self._ec) |
| 248 | self._trace.add_stream_class(self._sc) |
| 249 | self._stream = self._sc() |
| 250 | self._packet = self._stream.create_packet() |
| 251 | |
| 252 | def _create_event(self, value): |
| 253 | ev = self._ec() |
| 254 | ev.payload_field['my_int'] = value |
| 255 | ev.packet = self._packet |
| 256 | return ev |
| 257 | |
| 258 | def __next__(self): |
| 259 | if self._at == 5: |
| 260 | raise bt2.Stop |
| 261 | |
| 262 | notif = bt2.EventNotification(self._create_event(self._at * 3)) |
| 263 | self._at += 1 |
| 264 | return notif |
| 265 | |
| 266 | class MySource(bt2._UserSourceComponent, |
| 267 | notification_iterator_class=MyIter): |
| 268 | def __init__(self, params): |
| 269 | self._add_output_port('out') |
| 270 | |
| 271 | class MySink(bt2._UserSinkComponent): |
| 272 | def __init__(self, params): |
| 273 | self._add_input_port('in') |
| 274 | self._at = 0 |
| 275 | |
| 276 | def _consume(comp_self): |
| 277 | notif = next(comp_self._notif_iter) |
| 278 | |
| 279 | if comp_self._at == 0: |
| 280 | self.assertIsInstance(notif, bt2.StreamBeginningNotification) |
| 281 | elif comp_self._at == 1: |
| 282 | self.assertIsInstance(notif, bt2.PacketBeginningNotification) |
| 283 | elif comp_self._at >= 2 and comp_self._at <= 6: |
| 284 | self.assertIsInstance(notif, bt2.EventNotification) |
| 285 | self.assertEqual(notif.event.event_class.name, 'salut') |
| 286 | field = notif.event.payload_field['my_int'] |
| 287 | self.assertEqual(field, (comp_self._at - 2) * 3) |
| 288 | elif comp_self._at == 7: |
| 289 | self.assertIsInstance(notif, bt2.PacketEndNotification) |
| 290 | elif comp_self._at == 8: |
| 291 | self.assertIsInstance(notif, bt2.StreamEndNotification) |
| 292 | |
| 293 | comp_self._at += 1 |
| 294 | |
| 295 | def _port_connected(self, port, other_port): |
| 296 | self._notif_iter = port.connection.create_notification_iterator() |
| 297 | |
| 298 | src = self._graph.add_component(MySource, 'src') |
| 299 | sink = self._graph.add_component(MySink, 'sink') |
| 300 | conn = self._graph.connect_ports(src.output_ports['out'], |
| 301 | sink.input_ports['in']) |
| 302 | self._graph.run() |
| 303 | |
| 304 | def test_run_again(self): |
| 305 | class MyIter(bt2._UserNotificationIterator): |
| 306 | def __init__(self): |
| 307 | self._build_meta() |
| 308 | self._at = 0 |
| 309 | |
| 310 | def _build_meta(self): |
| 311 | self._trace = bt2.Trace() |
| 312 | self._sc = bt2.StreamClass() |
| 313 | self._ec = bt2.EventClass('salut') |
| 314 | self._my_int_ft = bt2.IntegerFieldType(32) |
| 315 | self._ec.payload_field_type = bt2.StructureFieldType() |
| 316 | self._ec.payload_field_type += collections.OrderedDict([ |
| 317 | ('my_int', self._my_int_ft), |
| 318 | ]) |
| 319 | self._sc.add_event_class(self._ec) |
| 320 | self._trace.add_stream_class(self._sc) |
| 321 | self._stream = self._sc() |
| 322 | self._packet = self._stream.create_packet() |
| 323 | |
| 324 | def _create_event(self, value): |
| 325 | ev = self._ec() |
| 326 | ev.payload_field['my_int'] = value |
| 327 | ev.packet = self._packet |
| 328 | return ev |
| 329 | |
| 330 | def __next__(self): |
| 331 | if self._at == 1: |
| 332 | raise bt2.TryAgain |
| 333 | |
| 334 | notif = bt2.EventNotification(self._create_event(self._at * 3)) |
| 335 | self._at += 1 |
| 336 | return notif |
| 337 | |
| 338 | class MySource(bt2._UserSourceComponent, |
| 339 | notification_iterator_class=MyIter): |
| 340 | def __init__(self, params): |
| 341 | self._add_output_port('out') |
| 342 | |
| 343 | class MySink(bt2._UserSinkComponent): |
| 344 | def __init__(self, params): |
| 345 | self._add_input_port('in') |
| 346 | self._at = 0 |
| 347 | |
| 348 | def _consume(comp_self): |
| 349 | if comp_self._at == 0: |
| 350 | notif = next(comp_self._notif_iter) |
| 351 | self.assertIsInstance(notif, bt2.EventNotification) |
| 352 | elif comp_self._at == 1: |
| 353 | with self.assertRaises(bt2.TryAgain): |
| 354 | notif = next(comp_self._notif_iter) |
| 355 | |
| 356 | raise bt2.TryAgain |
| 357 | |
| 358 | comp_self._at += 1 |
| 359 | |
| 360 | def _port_connected(self, port, other_port): |
| 361 | types = [bt2.EventNotification] |
| 362 | self._notif_iter = port.connection.create_notification_iterator(types) |
| 363 | |
| 364 | src = self._graph.add_component(MySource, 'src') |
| 365 | sink = self._graph.add_component(MySink, 'sink') |
| 366 | conn = self._graph.connect_ports(src.output_ports['out'], |
| 367 | sink.input_ports['in']) |
| 368 | |
| 369 | with self.assertRaises(bt2.TryAgain): |
| 370 | self._graph.run() |
| 371 | |
| 372 | def test_run_no_sink(self): |
| 373 | class MyIter(bt2._UserNotificationIterator): |
| 374 | pass |
| 375 | |
| 376 | class MySource(bt2._UserSourceComponent, |
| 377 | notification_iterator_class=MyIter): |
| 378 | def __init__(self, params): |
| 379 | self._add_output_port('out') |
| 380 | |
| 381 | class MyFilter(bt2._UserFilterComponent, |
| 382 | notification_iterator_class=MyIter): |
| 383 | def __init__(self, params): |
| 384 | self._add_output_port('out') |
| 385 | self._add_input_port('in') |
| 386 | |
| 387 | src = self._graph.add_component(MySource, 'src') |
| 388 | flt = self._graph.add_component(MyFilter, 'flt') |
| 389 | conn = self._graph.connect_ports(src.output_ports['out'], |
| 390 | flt.input_ports['in']) |
| 391 | |
| 392 | with self.assertRaises(bt2.NoSinkComponent): |
| 393 | self._graph.run() |
| 394 | |
| 395 | def test_run_error(self): |
| 396 | class MyIter(bt2._UserNotificationIterator): |
| 397 | def __init__(self): |
| 398 | self._build_meta() |
| 399 | self._at = 0 |
| 400 | |
| 401 | def _build_meta(self): |
| 402 | self._trace = bt2.Trace() |
| 403 | self._sc = bt2.StreamClass() |
| 404 | self._ec = bt2.EventClass('salut') |
| 405 | self._my_int_ft = bt2.IntegerFieldType(32) |
| 406 | self._ec.payload_field_type = bt2.StructureFieldType() |
| 407 | self._ec.payload_field_type += collections.OrderedDict([ |
| 408 | ('my_int', self._my_int_ft), |
| 409 | ]) |
| 410 | self._sc.add_event_class(self._ec) |
| 411 | self._trace.add_stream_class(self._sc) |
| 412 | self._stream = self._sc() |
| 413 | self._packet = self._stream.create_packet() |
| 414 | |
| 415 | def _create_event(self, value): |
| 416 | ev = self._ec() |
| 417 | ev.payload_field['my_int'] = value |
| 418 | ev.packet = self._packet |
| 419 | return ev |
| 420 | |
| 421 | def __next__(self): |
| 422 | if self._at == 1: |
| 423 | raise bt2.TryAgain |
| 424 | |
| 425 | notif = bt2.EventNotification(self._create_event(self._at * 3)) |
| 426 | self._at += 1 |
| 427 | return notif |
| 428 | |
| 429 | class MySource(bt2._UserSourceComponent, |
| 430 | notification_iterator_class=MyIter): |
| 431 | def __init__(self, params): |
| 432 | self._add_output_port('out') |
| 433 | |
| 434 | class MySink(bt2._UserSinkComponent): |
| 435 | def __init__(self, params): |
| 436 | self._add_input_port('in') |
| 437 | self._at = 0 |
| 438 | |
| 439 | def _consume(comp_self): |
| 440 | if comp_self._at == 0: |
| 441 | notif = next(comp_self._notif_iter) |
| 442 | self.assertIsInstance(notif, bt2.EventNotification) |
| 443 | elif comp_self._at == 1: |
| 444 | raise RuntimeError('error!') |
| 445 | |
| 446 | comp_self._at += 1 |
| 447 | |
| 448 | def _port_connected(self, port, other_port): |
| 449 | types = [bt2.EventNotification] |
| 450 | self._notif_iter = port.connection.create_notification_iterator(types) |
| 451 | |
| 452 | src = self._graph.add_component(MySource, 'src') |
| 453 | sink = self._graph.add_component(MySink, 'sink') |
| 454 | conn = self._graph.connect_ports(src.output_ports['out'], |
| 455 | sink.input_ports['in']) |
| 456 | |
| 457 | with self.assertRaises(bt2.Error): |
| 458 | self._graph.run() |
| 459 | |
| 460 | def test_run_cannot_consume(self): |
| 461 | class MyIter(bt2._UserNotificationIterator): |
| 462 | pass |
| 463 | |
| 464 | class MySource(bt2._UserSourceComponent, |
| 465 | notification_iterator_class=MyIter): |
| 466 | def __init__(self, params): |
| 467 | self._add_output_port('out') |
| 468 | |
| 469 | class MySink(bt2._UserSinkComponent): |
| 470 | def __init__(self, params): |
| 471 | self._add_input_port('in') |
| 472 | self._at = 0 |
| 473 | |
| 474 | def _consume(comp_self): |
| 475 | nonlocal exc |
| 476 | |
| 477 | try: |
| 478 | print('going in') |
| 479 | comp_self.graph.run() |
| 480 | print('going out') |
| 481 | except Exception as e: |
| 482 | exc = e |
| 483 | |
| 484 | raise bt2.Stop |
| 485 | |
| 486 | exc = None |
| 487 | src = self._graph.add_component(MySource, 'src') |
| 488 | sink = self._graph.add_component(MySink, 'sink') |
| 489 | conn = self._graph.connect_ports(src.output_ports['out'], |
| 490 | sink.input_ports['in']) |
| 491 | self._graph.run() |
| 492 | self.assertIs(type(exc), bt2.CannotConsumeGraph) |
| 493 | |
| 494 | def test_listeners(self): |
| 495 | class MyIter(bt2._UserNotificationIterator): |
| 496 | def __next__(self): |
| 497 | raise bt2.Stop |
| 498 | |
| 499 | class MySource(bt2._UserSourceComponent, |
| 500 | notification_iterator_class=MyIter): |
| 501 | def __init__(self, params): |
| 502 | self._add_output_port('out') |
| 503 | self._add_output_port('zero') |
| 504 | |
| 505 | def _port_connected(self, port, other_port): |
| 506 | self._output_ports['zero'].remove_from_component() |
| 507 | |
| 508 | class MySink(bt2._UserSinkComponent): |
| 509 | def __init__(self, params): |
| 510 | self._add_input_port('in') |
| 511 | |
| 512 | def _consume(self): |
| 513 | raise bt2.Stop |
| 514 | |
| 515 | def _port_connected(self, port, other_port): |
| 516 | self._add_input_port('taste') |
| 517 | |
| 518 | def _port_disconnected(self, port): |
| 519 | port.remove_from_component() |
| 520 | |
| 521 | def port_added_listener(port): |
| 522 | nonlocal calls |
| 523 | calls.append((port_added_listener, port)) |
| 524 | |
| 525 | def port_removed_listener(port): |
| 526 | nonlocal calls |
| 527 | calls.append((port_removed_listener, port)) |
| 528 | |
| 529 | def ports_connected_listener(upstream_port, downstream_port): |
| 530 | nonlocal calls |
| 531 | calls.append((ports_connected_listener, upstream_port, |
| 532 | downstream_port)) |
| 533 | |
| 534 | def ports_disconnected_listener(upstream_comp, downstream_comp, |
| 535 | upstream_port, downstream_port): |
| 536 | nonlocal calls |
| 537 | calls.append((ports_disconnected_listener, upstream_comp, |
| 538 | downstream_comp, upstream_port, downstream_port)) |
| 539 | |
| 540 | calls = [] |
| 541 | self._graph.add_listener(bt2.GraphListenerType.PORT_ADDED, |
| 542 | port_added_listener) |
| 543 | self._graph.add_listener(bt2.GraphListenerType.PORT_REMOVED, |
| 544 | port_removed_listener) |
| 545 | self._graph.add_listener(bt2.GraphListenerType.PORTS_CONNECTED, |
| 546 | ports_connected_listener) |
| 547 | self._graph.add_listener(bt2.GraphListenerType.PORTS_DISCONNECTED, |
| 548 | ports_disconnected_listener) |
| 549 | src = self._graph.add_component(MySource, 'src') |
| 550 | sink = self._graph.add_component(MySink, 'sink') |
| 551 | self._graph.connect_ports(src.output_ports['out'], |
| 552 | sink.input_ports['in']) |
| 553 | sink.input_ports['in'].disconnect() |
| 554 | self.assertIs(calls[0][0], port_added_listener) |
| 555 | self.assertEqual(calls[0][1].name, 'out') |
| 556 | self.assertIs(calls[1][0], port_added_listener) |
| 557 | self.assertEqual(calls[1][1].name, 'zero') |
| 558 | self.assertIs(calls[2][0], port_added_listener) |
| 559 | self.assertEqual(calls[2][1].name, 'in') |
| 560 | self.assertIs(calls[3][0], port_removed_listener) |
| 561 | self.assertEqual(calls[3][1].name, 'zero') |
| 562 | self.assertIs(calls[4][0], port_added_listener) |
| 563 | self.assertEqual(calls[4][1].name, 'taste') |
| 564 | self.assertIs(calls[5][0], ports_connected_listener) |
| 565 | self.assertEqual(calls[5][1].name, 'out') |
| 566 | self.assertEqual(calls[5][2].name, 'in') |
| 567 | self.assertIs(calls[6][0], port_removed_listener) |
| 568 | self.assertEqual(calls[6][1].name, 'in') |
| 569 | self.assertIs(calls[7][0], ports_disconnected_listener) |
| 570 | self.assertEqual(calls[7][1].name, 'src') |
| 571 | self.assertEqual(calls[7][2].name, 'sink') |
| 572 | self.assertEqual(calls[7][3].name, 'out') |
| 573 | self.assertEqual(calls[7][4].name, 'in') |
| 574 | del calls |