lib/torture/torture.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB torture UI functions
   4
   5    Copyright (C) Jelmer Vernooij 2006-2008
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "../torture/torture.h"
  23 #include "../lib/util/dlinklist.h"
  24 #include "param/param.h"
  25 #include "system/filesys.h"
  26
  27 struct torture_results *torture_results_init(TALLOC_CTX *mem_ctx, const struct torture_ui_ops *ui_ops)
  28 {
  29         struct torture_results *results = talloc_zero(mem_ctx, struct torture_results);
  30
  31         results->ui_ops = ui_ops;
  32         results->returncode = true;
  33
  34         if (ui_ops->init)
  35                 ui_ops->init(results);
  36
  37         return results;
  38 }
  39
  40 /**
  41  * Initialize a torture context
  42  */
  43 struct torture_context *torture_context_init(struct event_context *event_ctx,
  44                                                                                          struct torture_results *results)
  45 {
  46         struct torture_context *torture = talloc_zero(event_ctx,
  47                                                       struct torture_context);
  48
  49         if (torture == NULL)
  50                 return NULL;
  51
  52         torture->ev = event_ctx;
  53         torture->results = talloc_reference(torture, results);
  54
  55         return torture;
  56 }
  57
  58 /**
  59  * Create a sub torture context
  60  */
  61 struct torture_context *torture_context_child(struct torture_context *parent)
  62 {
  63         struct torture_context *subtorture = talloc_zero(parent, struct torture_context);
  64
  65         if (subtorture == NULL)
  66                 return NULL;
  67
  68         subtorture->level = parent->level+1;
  69         subtorture->ev = talloc_reference(subtorture, parent->ev);
  70         subtorture->lp_ctx = talloc_reference(subtorture, parent->lp_ctx);
  71         subtorture->outputdir = talloc_reference(subtorture, parent->outputdir);
  72         subtorture->results = talloc_reference(subtorture, parent->results);
  73
  74         return subtorture;
  75 }
  76
  77 /**
  78  create a temporary directory.
  79 */
  80 _PUBLIC_ NTSTATUS torture_temp_dir(struct torture_context *tctx,
  81                                    const char *prefix,
  82                                    char **tempdir)
  83 {
  84         SMB_ASSERT(tctx->outputdir != NULL);
  85
  86         *tempdir = talloc_asprintf(tctx, "%s/%s.XXXXXX", tctx->outputdir,
  87                                    prefix);
  88         NT_STATUS_HAVE_NO_MEMORY(*tempdir);
  89
  90         if (mkdtemp(*tempdir) == NULL) {
  91                 return map_nt_error_from_unix(errno);
  92         }
  93
  94         return NT_STATUS_OK;
  95 }
  96
  97 /**
  98  * Comment on the status/progress of a test
  99  */
 100 void torture_comment(struct torture_context *context, const char *comment, ...)
 101 {
 102         va_list ap;
 103         char *tmp;
 104
 105         if (!context->results->ui_ops->comment)
 106                 return;
 107
 108         va_start(ap, comment);
 109         tmp = talloc_vasprintf(context, comment, ap);
 110
 111         context->results->ui_ops->comment(context, tmp);
 112
 113         talloc_free(tmp);
 114 }
 115
 116 /**
 117  * Print a warning about the current test
 118  */
 119 void torture_warning(struct torture_context *context, const char *comment, ...)
 120 {
 121         va_list ap;
 122         char *tmp;
 123
 124         if (!context->results->ui_ops->warning)
 125                 return;
 126
 127         va_start(ap, comment);
 128         tmp = talloc_vasprintf(context, comment, ap);
 129
 130         context->results->ui_ops->warning(context, tmp);
 131
 132         talloc_free(tmp);
 133 }
 134
 135 /**
 136  * Store the result of a torture test.
 137  */
 138 void torture_result(struct torture_context *context,
 139                     enum torture_result result, const char *fmt, ...)
 140 {
 141         va_list ap;
 142
 143         va_start(ap, fmt);
 144
 145         if (context->last_reason) {
 146                 torture_warning(context, "%s", context->last_reason);
 147                 talloc_free(context->last_reason);
 148         }
 149
 150         context->last_result = result;
 151         context->last_reason = talloc_vasprintf(context, fmt, ap);
 152         va_end(ap);
 153 }
 154
 155 /**
 156  * Create a new torture suite
 157  */
 158 struct torture_suite *torture_suite_create(TALLOC_CTX *ctx, const char *name)
 159 {
 160         struct torture_suite *suite = talloc_zero(ctx, struct torture_suite);
 161
 162         suite->name = talloc_strdup(suite, name);
 163         suite->testcases = NULL;
 164         suite->children = NULL;
 165
 166         return suite;
 167 }
 168
 169 /**
 170  * Set the setup() and teardown() functions for a testcase.
 171  */
 172 void torture_tcase_set_fixture(struct torture_tcase *tcase,
 173                 bool (*setup) (struct torture_context *, void **),
 174                 bool (*teardown) (struct torture_context *, void *))
 175 {
 176         tcase->setup = setup;
 177         tcase->teardown = teardown;
 178 }
 179
 180 static bool wrap_test_with_testcase_const(struct torture_context *torture_ctx,
 181                                     struct torture_tcase *tcase,
 182                                     struct torture_test *test)
 183 {
 184         bool (*fn) (struct torture_context *,
 185                     const void *tcase_data,
 186                     const void *test_data);
 187
 188         fn = test->fn;
 189
 190         return fn(torture_ctx, tcase->data, test->data);
 191 }
 192
 193 /**
 194  * Add a test that uses const data to a testcase
 195  */
 196 struct torture_test *torture_tcase_add_test_const(struct torture_tcase *tcase,
 197                 const char *name,
 198                 bool (*run) (struct torture_context *, const void *tcase_data,
 199                         const void *test_data),
 200                 const void *data)
 201 {
 202         struct torture_test *test = talloc(tcase, struct torture_test);
 203
 204         test->name = talloc_strdup(test, name);
 205         test->description = NULL;
 206         test->run = wrap_test_with_testcase_const;
 207         test->fn = run;
 208         test->dangerous = false;
 209         test->data = data;
 210
 211         DLIST_ADD_END(tcase->tests, test, struct torture_test *);
 212
 213         return test;
 214 }
 215
 216 /**
 217  * Add a new testcase
 218  */
 219 bool torture_suite_init_tcase(struct torture_suite *suite,
 220                               struct torture_tcase *tcase,
 221                               const char *name)
 222 {
 223         tcase->name = talloc_strdup(tcase, name);
 224         tcase->description = NULL;
 225         tcase->setup = NULL;
 226         tcase->teardown = NULL;
 227         tcase->fixture_persistent = true;
 228         tcase->tests = NULL;
 229
 230         DLIST_ADD_END(suite->testcases, tcase, struct torture_tcase *);
 231
 232         return true;
 233 }
 234
 235
 236 struct torture_tcase *torture_suite_add_tcase(struct torture_suite *suite,
 237                                                          const char *name)
 238 {
 239         struct torture_tcase *tcase = talloc(suite, struct torture_tcase);
 240
 241         if (!torture_suite_init_tcase(suite, tcase, name))
 242                 return NULL;
 243
 244         return tcase;
 245 }
 246
 247 /**
 248  * Run a torture test suite.
 249  */
 250 bool torture_run_suite(struct torture_context *context,
 251                        struct torture_suite *suite)
 252 {
 253         bool ret = true;
 254         struct torture_tcase *tcase;
 255         struct torture_suite *tsuite;
 256         char *old_testname;
 257
 258         context->level++;
 259         if (context->results->ui_ops->suite_start)
 260                 context->results->ui_ops->suite_start(context, suite);
 261
 262         old_testname = context->active_testname;
 263         if (old_testname != NULL)
 264                 context->active_testname = talloc_asprintf(context, "%s-%s",
 265                                                            old_testname, suite->name);
 266         else
 267                 context->active_testname = talloc_strdup(context, suite->name);
 268
 269         for (tcase = suite->testcases; tcase; tcase = tcase->next) {
 270                 ret &= torture_run_tcase(context, tcase);
 271         }
 272
 273         for (tsuite = suite->children; tsuite; tsuite = tsuite->next) {
 274                 ret &= torture_run_suite(context, tsuite);
 275         }
 276
 277         talloc_free(context->active_testname);
 278         context->active_testname = old_testname;
 279
 280         if (context->results->ui_ops->suite_finish)
 281                 context->results->ui_ops->suite_finish(context, suite);
 282
 283         context->level--;
 284
 285         return ret;
 286 }
 287
 288 void torture_ui_test_start(struct torture_context *context,
 289                            struct torture_tcase *tcase,
 290                            struct torture_test *test)
 291 {
 292         if (context->results->ui_ops->test_start)
 293                 context->results->ui_ops->test_start(context, tcase, test);
 294 }
 295
 296 void torture_ui_test_result(struct torture_context *context,
 297                             enum torture_result result,
 298                             const char *comment)
 299 {
 300         if (context->results->ui_ops->test_result)
 301                 context->results->ui_ops->test_result(context, result, comment);
 302
 303         if (result == TORTURE_ERROR || result == TORTURE_FAIL)
 304                 context->results->returncode = false;
 305 }
 306
 307 static bool internal_torture_run_test(struct torture_context *context,
 308                                           struct torture_tcase *tcase,
 309                                           struct torture_test *test,
 310                                           bool already_setup)
 311 {
 312         bool success;
 313         char *old_testname;
 314
 315         if (tcase == NULL || strcmp(test->name, tcase->name) != 0) {
 316                 old_testname = context->active_testname;
 317                 context->active_testname = talloc_asprintf(context, "%s-%s", old_testname, test->name);
 318         }
 319
 320         context->active_tcase = tcase;
 321         context->active_test = test;
 322
 323         torture_ui_test_start(context, tcase, test);
 324
 325         context->last_reason = NULL;
 326         context->last_result = TORTURE_OK;
 327
 328         if (!already_setup && tcase->setup &&
 329                 !tcase->setup(context, &(tcase->data))) {
 330                 if (context->last_reason == NULL)
 331                         context->last_reason = talloc_strdup(context, "Setup failure");
 332                 context->last_result = TORTURE_ERROR;
 333                 success = false;
 334         } else if (test->dangerous &&
 335             !torture_setting_bool(context, "dangerous", false)) {
 336             context->last_result = TORTURE_SKIP;
 337             context->last_reason = talloc_asprintf(context,
 338                 "disabled %s - enable dangerous tests to use", test->name);
 339             success = true;
 340         } else {
 341             success = test->run(context, tcase, test);
 342
 343             if (!success && context->last_result == TORTURE_OK) {
 344                     if (context->last_reason == NULL)
 345                             context->last_reason = talloc_strdup(context, "Unknown error/failure");
 346                     context->last_result = TORTURE_ERROR;
 347             }
 348         }
 349
 350         if (!already_setup && tcase->teardown && !tcase->teardown(context, tcase->data)) {
 351                 if (context->last_reason == NULL)
 352                     context->last_reason = talloc_strdup(context, "Setup failure");
 353                 context->last_result = TORTURE_ERROR;
 354                 success = false;
 355         }
 356
 357         torture_ui_test_result(context, context->last_result,
 358                                context->last_reason);
 359
 360         talloc_free(context->last_reason);
 361
 362         if (tcase == NULL || strcmp(test->name, tcase->name) != 0) {
 363                 talloc_free(context->active_testname);
 364                 context->active_testname = old_testname;
 365         }
 366         context->active_test = NULL;
 367         context->active_tcase = NULL;
 368
 369         return success;
 370 }
 371
 372 bool torture_run_tcase(struct torture_context *context,
 373                        struct torture_tcase *tcase)
 374 {
 375         bool ret = true;
 376         char *old_testname;
 377         struct torture_test *test;
 378
 379         context->level++;
 380
 381         context->active_tcase = tcase;
 382         if (context->results->ui_ops->tcase_start)
 383                 context->results->ui_ops->tcase_start(context, tcase);
 384
 385         if (tcase->fixture_persistent && tcase->setup
 386                 && !tcase->setup(context, &tcase->data)) {
 387                 /* FIXME: Use torture ui ops for reporting this error */
 388                 fprintf(stderr, "Setup failed: ");
 389                 if (context->last_reason != NULL)
 390                         fprintf(stderr, "%s", context->last_reason);
 391                 fprintf(stderr, "\n");
 392                 ret = false;
 393                 goto done;
 394         }
 395
 396         old_testname = context->active_testname;
 397         context->active_testname = talloc_asprintf(context, "%s-%s",
 398                                                    old_testname, tcase->name);
 399         for (test = tcase->tests; test; test = test->next) {
 400                 ret &= internal_torture_run_test(context, tcase, test,
 401                                 tcase->fixture_persistent);
 402         }
 403         talloc_free(context->active_testname);
 404         context->active_testname = old_testname;
 405
 406         if (tcase->fixture_persistent && tcase->teardown &&
 407                 !tcase->teardown(context, tcase->data))
 408                 ret = false;
 409
 410 done:
 411         context->active_tcase = NULL;
 412
 413         if (context->results->ui_ops->tcase_finish)
 414                 context->results->ui_ops->tcase_finish(context, tcase);
 415
 416         context->level--;
 417
 418         return ret;
 419 }
 420
 421 bool torture_run_test(struct torture_context *context,
 422                                           struct torture_tcase *tcase,
 423                                           struct torture_test *test)
 424 {
 425         return internal_torture_run_test(context, tcase, test, false);
 426 }
 427
 428 int torture_setting_int(struct torture_context *test, const char *name,
 429                                                         int default_value)
 430 {
 431         return lp_parm_int(test->lp_ctx, NULL, "torture", name, default_value);
 432 }
 433
 434 double torture_setting_double(struct torture_context *test, const char *name,
 435                                                         double default_value)
 436 {
 437         return lp_parm_double(test->lp_ctx, NULL, "torture", name, default_value);
 438 }
 439
 440 bool torture_setting_bool(struct torture_context *test, const char *name,
 441                                                         bool default_value)
 442 {
 443         return lp_parm_bool(test->lp_ctx, NULL, "torture", name, default_value);
 444 }
 445
 446 const char *torture_setting_string(struct torture_context *test,
 447                                    const char *name,
 448                                    const char *default_value)
 449 {
 450         const char *ret;
 451
 452         SMB_ASSERT(test != NULL);
 453         SMB_ASSERT(test->lp_ctx != NULL);
 454
 455         ret = lp_parm_string(test->lp_ctx, NULL, "torture", name);
 456
 457         if (ret == NULL)
 458                 return default_value;
 459
 460         return ret;
 461 }
 462
 463 static bool wrap_test_with_simple_tcase_const (
 464                 struct torture_context *torture_ctx,
 465                 struct torture_tcase *tcase,
 466                 struct torture_test *test)
 467 {
 468         bool (*fn) (struct torture_context *, const void *tcase_data);
 469
 470         fn = test->fn;
 471
 472         return fn(torture_ctx, test->data);
 473 }
 474
 475 struct torture_tcase *torture_suite_add_simple_tcase_const(
 476                 struct torture_suite *suite, const char *name,
 477                 bool (*run) (struct torture_context *test, const void *),
 478                 const void *data)
 479 {
 480         struct torture_tcase *tcase;
 481         struct torture_test *test;
 482
 483         tcase = torture_suite_add_tcase(suite, name);
 484
 485         test = talloc(tcase, struct torture_test);
 486
 487         test->name = talloc_strdup(test, name);
 488         test->description = NULL;
 489         test->run = wrap_test_with_simple_tcase_const;
 490         test->fn = run;
 491         test->data = data;
 492         test->dangerous = false;
 493
 494         DLIST_ADD_END(tcase->tests, test, struct torture_test *);
 495
 496         return tcase;
 497 }
 498
 499 static bool wrap_simple_test(struct torture_context *torture_ctx,
 500                              struct torture_tcase *tcase,
 501                              struct torture_test *test)
 502 {
 503         bool (*fn) (struct torture_context *);
 504
 505         fn = test->fn;
 506
 507         return fn(torture_ctx);
 508 }
 509
 510 struct torture_tcase *torture_suite_add_simple_test(
 511                                         struct torture_suite *suite,
 512                                         const char *name,
 513                                         bool (*run) (struct torture_context *test))
 514 {
 515         struct torture_test *test;
 516         struct torture_tcase *tcase;
 517
 518         tcase = torture_suite_add_tcase(suite, name);
 519
 520         test = talloc(tcase, struct torture_test);
 521
 522         test->name = talloc_strdup(test, name);
 523         test->description = NULL;
 524         test->run = wrap_simple_test;
 525         test->fn = run;
 526         test->dangerous = false;
 527
 528         DLIST_ADD_END(tcase->tests, test, struct torture_test *);
 529
 530         return tcase;
 531 }
 532
 533 /**
 534  * Add a child testsuite to a testsuite.
 535  */
 536 bool torture_suite_add_suite(struct torture_suite *suite,
 537                              struct torture_suite *child)
 538 {
 539         if (child == NULL)
 540                 return false;
 541
 542         DLIST_ADD_END(suite->children, child, struct torture_suite *);
 543
 544         /* FIXME: Check for duplicates and return false if the
 545          * added suite already exists as a child */
 546
 547         return true;
 548 }
 549
 550 /**
 551  * Find the child testsuite with the specified name.
 552  */
 553 struct torture_suite *torture_find_suite(struct torture_suite *parent,
 554                                          const char *name)
 555 {
 556         struct torture_suite *child;
 557
 558         for (child = parent->children; child; child = child->next)
 559                 if (!strcmp(child->name, name))
 560                         return child;
 561
 562         return NULL;
 563 }
 564
 565 static bool wrap_test_with_simple_test_const(struct torture_context *torture_ctx,
 566                                        struct torture_tcase *tcase,
 567                                        struct torture_test *test)
 568 {
 569         bool (*fn) (struct torture_context *, const void *tcase_data);
 570
 571         fn = test->fn;
 572
 573         return fn(torture_ctx, tcase->data);
 574 }
 575
 576 struct torture_test *torture_tcase_add_simple_test_const(
 577                 struct torture_tcase *tcase,
 578                 const char *name,
 579                 bool (*run) (struct torture_context *test,
 580                         const void *tcase_data))
 581 {
 582         struct torture_test *test;
 583
 584         test = talloc(tcase, struct torture_test);
 585
 586         test->name = talloc_strdup(test, name);
 587         test->description = NULL;
 588         test->run = wrap_test_with_simple_test_const;
 589         test->fn = run;
 590         test->data = NULL;
 591         test->dangerous = false;
 592
 593         DLIST_ADD_END(tcase->tests, test, struct torture_test *);
 594
 595         return test;
 596 }
 597
 598 static bool wrap_test_with_simple_test(struct torture_context *torture_ctx,
 599                                        struct torture_tcase *tcase,
 600                                        struct torture_test *test)
 601 {
 602         bool (*fn) (struct torture_context *, void *tcase_data);
 603
 604         fn = test->fn;
 605
 606         return fn(torture_ctx, tcase->data);
 607 }
 608
 609 struct torture_test *torture_tcase_add_simple_test(struct torture_tcase *tcase,
 610                 const char *name,
 611                 bool (*run) (struct torture_context *test, void *tcase_data))
 612 {
 613         struct torture_test *test;
 614
 615         test = talloc(tcase, struct torture_test);
 616
 617         test->name = talloc_strdup(test, name);
 618         test->description = NULL;
 619         test->run = wrap_test_with_simple_test;
 620         test->fn = run;
 621         test->data = NULL;
 622         test->dangerous = false;
 623
 624         DLIST_ADD_END(tcase->tests, test, struct torture_test *);
 625
 626         return test;
 627 }