projects / babeltrace.git / blame
| Commit | Line | Data |
|---|---|---|
| 811644b8 PP |
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_cancel(self): | |
| 159 | self.assertFalse(self._graph.is_canceled) | |
| 160 | self._graph.cancel() | |
| 161 | self.assertTrue(self._graph.is_canceled) | |
| 162 | ||
| 163 | def test_run(self): | |
| 164 | class MyIter(bt2._UserNotificationIterator): | |
| 165 | def __init__(self): | |
| 166 | self._build_meta() | |
| 167 | self._at = 0 | |
| 168 | ||
| 169 | def _build_meta(self): | |
| 170 | self._trace = bt2.Trace() | |
| 171 | self._sc = bt2.StreamClass() | |
| 172 | self._ec = bt2.EventClass('salut') | |
| 173 | self._my_int_ft = bt2.IntegerFieldType(32) | |
| 174 | self._ec.payload_field_type = bt2.StructureFieldType() | |
| 175 | self._ec.payload_field_type += collections.OrderedDict([ | |
| 176 | ('my_int', self._my_int_ft), | |
| 177 | ]) | |
| 178 | self._sc.add_event_class(self._ec) | |
| 179 | self._trace.add_stream_class(self._sc) | |
| 180 | self._stream = self._sc() | |
| 181 | self._packet = self._stream.create_packet() | |
| 182 | ||
| 183 | def _create_event(self, value): | |
| 184 | ev = self._ec() | |
| 185 | ev.payload_field['my_int'] = value | |
| 186 | ev.packet = self._packet | |
| 187 | return ev | |
| 188 | ||
| 189 | def __next__(self): | |
| 190 | if self._at == 5: | |
| 191 | raise bt2.Stop | |
| 192 | ||
| 193 | notif = bt2.EventNotification(self._create_event(self._at * 3)) | |
| 194 | self._at += 1 | |
| 195 | return notif | |
| 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 | self._at = 0 | |
| 206 | ||
| 207 | def _consume(comp_self): | |
| 208 | notif = next(comp_self._notif_iter) | |
| 209 | ||
| 210 | if comp_self._at == 0: | |
| 211 | self.assertIsInstance(notif, bt2.StreamBeginningNotification) | |
| 212 | elif comp_self._at == 1: | |
| 213 | self.assertIsInstance(notif, bt2.PacketBeginningNotification) | |
| 214 | elif comp_self._at >= 2 and comp_self._at <= 6: | |
| 215 | self.assertIsInstance(notif, bt2.EventNotification) | |
| 216 | self.assertEqual(notif.event.event_class.name, 'salut') | |
| 217 | field = notif.event.payload_field['my_int'] | |
| 218 | self.assertEqual(field, (comp_self._at - 2) * 3) | |
| 219 | elif comp_self._at == 7: | |
| 220 | self.assertIsInstance(notif, bt2.PacketEndNotification) | |
| 221 | elif comp_self._at == 8: | |
| 222 | self.assertIsInstance(notif, bt2.StreamEndNotification) | |
| 223 | ||
| 224 | comp_self._at += 1 | |
| 225 | ||
| 226 | def _port_connected(self, port, other_port): | |
| 227 | self._notif_iter = port.connection.create_notification_iterator() | |
| 228 | ||
| 229 | src = self._graph.add_component(MySource, 'src') | |
| 230 | sink = self._graph.add_component(MySink, 'sink') | |
| 231 | conn = self._graph.connect_ports(src.output_ports['out'], | |
| 232 | sink.input_ports['in']) | |
| 233 | self._graph.run() | |
| 234 | ||
| 235 | def test_run_again(self): | |
| 236 | class MyIter(bt2._UserNotificationIterator): | |
| 237 | def __init__(self): | |
| 238 | self._build_meta() | |
| 239 | self._at = 0 | |
| 240 | ||
| 241 | def _build_meta(self): | |
| 242 | self._trace = bt2.Trace() | |
| 243 | self._sc = bt2.StreamClass() | |
| 244 | self._ec = bt2.EventClass('salut') | |
| 245 | self._my_int_ft = bt2.IntegerFieldType(32) | |
| 246 | self._ec.payload_field_type = bt2.StructureFieldType() | |
| 247 | self._ec.payload_field_type += collections.OrderedDict([ | |
| 248 | ('my_int', self._my_int_ft), | |
| 249 | ]) | |
| 250 | self._sc.add_event_class(self._ec) | |
| 251 | self._trace.add_stream_class(self._sc) | |
| 252 | self._stream = self._sc() | |
| 253 | self._packet = self._stream.create_packet() | |
| 254 | ||
| 255 | def _create_event(self, value): | |
| 256 | ev = self._ec() | |
| 257 | ev.payload_field['my_int'] = value | |
| 258 | ev.packet = self._packet | |
| 259 | return ev | |
| 260 | ||
| 261 | def __next__(self): | |
| 262 | if self._at == 1: | |
| 263 | raise bt2.TryAgain | |
| 264 | ||
| 265 | notif = bt2.EventNotification(self._create_event(self._at * 3)) | |
| 266 | self._at += 1 | |
| 267 | return notif | |
| 268 | ||
| 269 | class MySource(bt2._UserSourceComponent, | |
| 270 | notification_iterator_class=MyIter): | |
| 271 | def __init__(self, params): | |
| 272 | self._add_output_port('out') | |
| 273 | ||
| 274 | class MySink(bt2._UserSinkComponent): | |
| 275 | def __init__(self, params): | |
| 276 | self._add_input_port('in') | |
| 277 | self._at = 0 | |
| 278 | ||
| 279 | def _consume(comp_self): | |
| 280 | if comp_self._at == 0: | |
| 281 | notif = next(comp_self._notif_iter) | |
| 282 | self.assertIsInstance(notif, bt2.EventNotification) | |
| 283 | elif comp_self._at == 1: | |
| 284 | with self.assertRaises(bt2.TryAgain): | |
| 285 | notif = next(comp_self._notif_iter) | |
| 286 | ||
| 287 | raise bt2.TryAgain | |
| 288 | ||
| 289 | comp_self._at += 1 | |
| 290 | ||
| 291 | def _port_connected(self, port, other_port): | |
| 292 | types = [bt2.EventNotification] | |
| 293 | self._notif_iter = port.connection.create_notification_iterator(types) | |
| 294 | ||
| 295 | src = self._graph.add_component(MySource, 'src') | |
| 296 | sink = self._graph.add_component(MySink, 'sink') | |
| 297 | conn = self._graph.connect_ports(src.output_ports['out'], | |
| 298 | sink.input_ports['in']) | |
| 299 | ||
| 300 | with self.assertRaises(bt2.TryAgain): | |
| 301 | self._graph.run() | |
| 302 | ||
| 303 | def test_run_no_sink(self): | |
| 304 | class MyIter(bt2._UserNotificationIterator): | |
| 305 | pass | |
| 306 | ||
| 307 | class MySource(bt2._UserSourceComponent, | |
| 308 | notification_iterator_class=MyIter): | |
| 309 | def __init__(self, params): | |
| 310 | self._add_output_port('out') | |
| 311 | ||
| 312 | class MyFilter(bt2._UserFilterComponent, | |
| 313 | notification_iterator_class=MyIter): | |
| 314 | def __init__(self, params): | |
| 315 | self._add_output_port('out') | |
| 316 | self._add_input_port('in') | |
| 317 | ||
| 318 | src = self._graph.add_component(MySource, 'src') | |
| 319 | flt = self._graph.add_component(MyFilter, 'flt') | |
| 320 | conn = self._graph.connect_ports(src.output_ports['out'], | |
| 321 | flt.input_ports['in']) | |
| 322 | ||
| 323 | with self.assertRaises(bt2.NoSinkComponent): | |
| 324 | self._graph.run() | |
| 325 | ||
| 326 | def test_run_error(self): | |
| 327 | class MyIter(bt2._UserNotificationIterator): | |
| 328 | def __init__(self): | |
| 329 | self._build_meta() | |
| 330 | self._at = 0 | |
| 331 | ||
| 332 | def _build_meta(self): | |
| 333 | self._trace = bt2.Trace() | |
| 334 | self._sc = bt2.StreamClass() | |
| 335 | self._ec = bt2.EventClass('salut') | |
| 336 | self._my_int_ft = bt2.IntegerFieldType(32) | |
| 337 | self._ec.payload_field_type = bt2.StructureFieldType() | |
| 338 | self._ec.payload_field_type += collections.OrderedDict([ | |
| 339 | ('my_int', self._my_int_ft), | |
| 340 | ]) | |
| 341 | self._sc.add_event_class(self._ec) | |
| 342 | self._trace.add_stream_class(self._sc) | |
| 343 | self._stream = self._sc() | |
| 344 | self._packet = self._stream.create_packet() | |
| 345 | ||
| 346 | def _create_event(self, value): | |
| 347 | ev = self._ec() | |
| 348 | ev.payload_field['my_int'] = value | |
| 349 | ev.packet = self._packet | |
| 350 | return ev | |
| 351 | ||
| 352 | def __next__(self): | |
| 353 | if self._at == 1: | |
| 354 | raise bt2.TryAgain | |
| 355 | ||
| 356 | notif = bt2.EventNotification(self._create_event(self._at * 3)) | |
| 357 | self._at += 1 | |
| 358 | return notif | |
| 359 | ||
| 360 | class MySource(bt2._UserSourceComponent, | |
| 361 | notification_iterator_class=MyIter): | |
| 362 | def __init__(self, params): | |
| 363 | self._add_output_port('out') | |
| 364 | ||
| 365 | class MySink(bt2._UserSinkComponent): | |
| 366 | def __init__(self, params): | |
| 367 | self._add_input_port('in') | |
| 368 | self._at = 0 | |
| 369 | ||
| 370 | def _consume(comp_self): | |
| 371 | if comp_self._at == 0: | |
| 372 | notif = next(comp_self._notif_iter) | |
| 373 | self.assertIsInstance(notif, bt2.EventNotification) | |
| 374 | elif comp_self._at == 1: | |
| 375 | raise RuntimeError('error!') | |
| 376 | ||
| 377 | comp_self._at += 1 | |
| 378 | ||
| 379 | def _port_connected(self, port, other_port): | |
| 380 | types = [bt2.EventNotification] | |
| 381 | self._notif_iter = port.connection.create_notification_iterator(types) | |
| 382 | ||
| 383 | src = self._graph.add_component(MySource, 'src') | |
| 384 | sink = self._graph.add_component(MySink, 'sink') | |
| 385 | conn = self._graph.connect_ports(src.output_ports['out'], | |
| 386 | sink.input_ports['in']) | |
| 387 | ||
| 388 | with self.assertRaises(bt2.Error): | |
| 389 | self._graph.run() | |
| 390 | ||
| 391 | def test_listeners(self): | |
| 392 | class MyIter(bt2._UserNotificationIterator): | |
| 393 | def __next__(self): | |
| 394 | raise bt2.Stop | |
| 395 | ||
| 396 | class MySource(bt2._UserSourceComponent, | |
| 397 | notification_iterator_class=MyIter): | |
| 398 | def __init__(self, params): | |
| 399 | self._add_output_port('out') | |
| 400 | self._add_output_port('zero') | |
| 401 | ||
| 402 | def _port_connected(self, port, other_port): | |
| 403 | self._output_ports['zero'].remove_from_component() | |
| 404 | ||
| 405 | class MySink(bt2._UserSinkComponent): | |
| 406 | def __init__(self, params): | |
| 407 | self._add_input_port('in') | |
| 408 | ||
| 409 | def _consume(self): | |
| 410 | raise bt2.Stop | |
| 411 | ||
| 412 | def _port_connected(self, port, other_port): | |
| 413 | self._add_input_port('taste') | |
| 414 | ||
| 415 | def _port_disconnected(self, port): | |
| 416 | port.remove_from_component() | |
| 417 | ||
| 418 | def port_added_listener(port): | |
| 419 | nonlocal calls | |
| 420 | calls.append((port_added_listener, port)) | |
| 421 | ||
| 422 | def port_removed_listener(port): | |
| 423 | nonlocal calls | |
| 424 | calls.append((port_removed_listener, port)) | |
| 425 | ||
| 426 | def ports_connected_listener(upstream_port, downstream_port): | |
| 427 | nonlocal calls | |
| 428 | calls.append((ports_connected_listener, upstream_port, | |
| 429 | downstream_port)) | |
| 430 | ||
| 431 | def ports_disconnected_listener(upstream_comp, downstream_comp, | |
| 432 | upstream_port, downstream_port): | |
| 433 | nonlocal calls | |
| 434 | calls.append((ports_disconnected_listener, upstream_comp, | |
| 435 | downstream_comp, upstream_port, downstream_port)) | |
| 436 | ||
| 437 | calls = [] | |
| 438 | self._graph.add_listener(bt2.GraphListenerType.PORT_ADDED, | |
| 439 | port_added_listener) | |
| 440 | self._graph.add_listener(bt2.GraphListenerType.PORT_REMOVED, | |
| 441 | port_removed_listener) | |
| 442 | self._graph.add_listener(bt2.GraphListenerType.PORTS_CONNECTED, | |
| 443 | ports_connected_listener) | |
| 444 | self._graph.add_listener(bt2.GraphListenerType.PORTS_DISCONNECTED, | |
| 445 | ports_disconnected_listener) | |
| 446 | src = self._graph.add_component(MySource, 'src') | |
| 447 | sink = self._graph.add_component(MySink, 'sink') | |
| 448 | self._graph.connect_ports(src.output_ports['out'], | |
| 449 | sink.input_ports['in']) | |
| 450 | sink.input_ports['in'].disconnect() | |
| 451 | self.assertIs(calls[0][0], port_added_listener) | |
| 452 | self.assertEqual(calls[0][1].name, 'out') | |
| 453 | self.assertIs(calls[1][0], port_added_listener) | |
| 454 | self.assertEqual(calls[1][1].name, 'zero') | |
| 455 | self.assertIs(calls[2][0], port_added_listener) | |
| 456 | self.assertEqual(calls[2][1].name, 'in') | |
| 457 | self.assertIs(calls[3][0], port_removed_listener) | |
| 458 | self.assertEqual(calls[3][1].name, 'zero') | |
| 459 | self.assertIs(calls[4][0], port_added_listener) | |
| 460 | self.assertEqual(calls[4][1].name, 'taste') | |
| 461 | self.assertIs(calls[5][0], ports_connected_listener) | |
| 462 | self.assertEqual(calls[5][1].name, 'out') | |
| 463 | self.assertEqual(calls[5][2].name, 'in') | |
| 464 | self.assertIs(calls[6][0], port_removed_listener) | |
| 465 | self.assertEqual(calls[6][1].name, 'in') | |
| 466 | self.assertIs(calls[7][0], ports_disconnected_listener) | |
| 467 | self.assertEqual(calls[7][1].name, 'src') | |
| 468 | self.assertEqual(calls[7][2].name, 'sink') | |
| 469 | self.assertEqual(calls[7][3].name, 'out') | |
| 470 | self.assertEqual(calls[7][4].name, 'in') | |
| 471 | del calls |