git.m6w6.name Git - m6w6/libmemcached/blob - tests/parser.cc

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Libmemcached Client and Server
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *  All rights reserved.
   7  *
   8  *  Redistribution and use in source and binary forms, with or without
   9  *  modification, are permitted provided that the following conditions are
  10  *  met:
  11  *
  12  *      * Redistributions of source code must retain the above copyright
  13  *  notice, this list of conditions and the following disclaimer.
  14  *
  15  *      * Redistributions in binary form must reproduce the above
  16  *  copyright notice, this list of conditions and the following disclaimer
  17  *  in the documentation and/or other materials provided with the
  18  *  distribution.
  19  *
  20  *      * The names of its contributors may not be used to endorse or
  21  *  promote products derived from this software without specific prior
  22  *  written permission.
  23  *
  24  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  *
  36  */
  37
  38 #include <config.h>
  39 #include <libtest/test.hpp>
  40
  41 using namespace libtest;
  42
  43 #include <vector>
  44 #include <iostream>
  45 #include <string>
  46 #include <cerrno>
  47 #include <cassert>
  48
  49 #include <libmemcached/memcached.h>
  50 #include <libmemcached/util.h>
  51
  52 #include <tests/parser.h>
  53 #include <tests/print.h>
  54
  55 enum scanner_type_t
  56 {
  57   NIL,
  58   UNSIGNED,
  59   SIGNED,
  60   ARRAY
  61 };
  62
  63
  64 struct scanner_string_st {
  65   const char *c_str;
  66   size_t size;
  67 };
  68
  69 static inline scanner_string_st scanner_string(const char *arg, size_t arg_size)
  70 {
  71   scanner_string_st local= { arg, arg_size };
  72   return local;
  73 }
  74
  75 #define make_scanner_string(X) scanner_string((X), static_cast<size_t>(sizeof(X) - 1))
  76
  77 static struct scanner_string_st scanner_string_null= { 0, 0};
  78
  79 struct scanner_variable_t {
  80   enum scanner_type_t type;
  81   struct scanner_string_st option;
  82   struct scanner_string_st result;
  83   test_return_t (*check_func)(memcached_st *memc, const scanner_string_st &hostname);
  84 };
  85
  86 // Check and make sure the first host is what we expect it to be
  87 static test_return_t __check_host(memcached_st *memc, const scanner_string_st &hostname)
  88 {
  89   memcached_server_instance_st instance=
  90     memcached_server_instance_by_position(memc, 0);
  91
  92   test_true(instance);
  93
  94   const char *first_hostname = memcached_server_name(instance);
  95   test_true(first_hostname);
  96   test_strcmp(first_hostname, hostname.c_str);
  97
  98   return TEST_SUCCESS;
  99 }
 100
 101 // Check and make sure the prefix_key is what we expect it to be
 102 static test_return_t __check_namespace(memcached_st *memc, const scanner_string_st &arg)
 103 {
 104   const char *_namespace = memcached_get_namespace(memc);
 105   test_true(_namespace);
 106   test_strcmp(_namespace, arg.c_str);
 107
 108   return TEST_SUCCESS;
 109 }
 110
 111 static test_return_t __check_IO_MSG_WATERMARK(memcached_st *memc, const scanner_string_st &value)
 112 {
 113   uint64_t value_number;
 114
 115   value_number= atoll(value.c_str);
 116
 117   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK) == value_number);
 118   return TEST_SUCCESS;
 119 }
 120
 121 static test_return_t __check_REMOVE_FAILED_SERVERS(memcached_st *memc, const scanner_string_st &)
 122 {
 123   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS));
 124   return TEST_SUCCESS;
 125 }
 126
 127 static test_return_t __check_NOREPLY(memcached_st *memc, const scanner_string_st &)
 128 {
 129   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_NOREPLY));
 130   return TEST_SUCCESS;
 131 }
 132
 133 static test_return_t __check_VERIFY_KEY(memcached_st *memc, const scanner_string_st &)
 134 {
 135   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_VERIFY_KEY));
 136   return TEST_SUCCESS;
 137 }
 138
 139 static test_return_t __check_distribution_RANDOM(memcached_st *memc, const scanner_string_st &)
 140 {
 141   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_DISTRIBUTION) == MEMCACHED_DISTRIBUTION_RANDOM);
 142   return TEST_SUCCESS;
 143 }
 144
 145 scanner_variable_t test_server_strings[]= {
 146   { ARRAY, make_scanner_string("--server=localhost"), make_scanner_string("localhost"), __check_host },
 147   { ARRAY, make_scanner_string("--server=10.0.2.1"), make_scanner_string("10.0.2.1"), __check_host },
 148   { ARRAY, make_scanner_string("--server=example.com"), make_scanner_string("example.com"), __check_host },
 149   { ARRAY, make_scanner_string("--server=localhost:30"), make_scanner_string("localhost"), __check_host },
 150   { ARRAY, make_scanner_string("--server=10.0.2.1:20"), make_scanner_string("10.0.2.1"), __check_host },
 151   { ARRAY, make_scanner_string("--server=example.com:1024"), make_scanner_string("example.com"), __check_host },
 152   { NIL, scanner_string_null, scanner_string_null, NULL }
 153 };
 154
 155 scanner_variable_t test_server_strings_with_weights[]= {
 156   { ARRAY, make_scanner_string("--server=10.0.2.1:30/?40"), make_scanner_string("10.0.2.1"), __check_host },
 157   { ARRAY, make_scanner_string("--server=example.com:1024/?30"), make_scanner_string("example.com"), __check_host },
 158   { ARRAY, make_scanner_string("--server=10.0.2.1/?20"), make_scanner_string("10.0.2.1"), __check_host },
 159   { ARRAY, make_scanner_string("--server=example.com/?10"), make_scanner_string("example.com"), __check_host },
 160   { NIL, scanner_string_null, scanner_string_null, NULL }
 161 };
 162
 163 scanner_variable_t bad_test_strings[]= {
 164   { ARRAY, make_scanner_string("-servers=localhost:11221,localhost:11222,localhost:11223,localhost:11224,localhost:11225"), scanner_string_null, NULL },
 165   { ARRAY, make_scanner_string("-- servers=a.example.com:81,localhost:82,b.example.com"), scanner_string_null, NULL },
 166   { ARRAY, make_scanner_string("--servers=localhost:+80"), scanner_string_null, NULL},
 167   { ARRAY, make_scanner_string("--servers=localhost.com."), scanner_string_null, NULL},
 168   { ARRAY, make_scanner_string("--server=localhost.com."), scanner_string_null, NULL},
 169   { ARRAY, make_scanner_string("--server=localhost.com.:80"), scanner_string_null, NULL},
 170   { NIL, scanner_string_null, scanner_string_null, NULL}
 171 };
 172
 173 scanner_variable_t test_number_options[]= {
 174   { ARRAY,  make_scanner_string("--CONNECT-TIMEOUT=456"), scanner_string_null, NULL },
 175   { ARRAY,  make_scanner_string("--IO-BYTES-WATERMARK=456"), scanner_string_null, NULL },
 176   { ARRAY,  make_scanner_string("--IO-KEY-PREFETCH=456"), scanner_string_null, NULL },
 177   { ARRAY,  make_scanner_string("--IO-MSG-WATERMARK=456"), make_scanner_string("456"), __check_IO_MSG_WATERMARK },
 178   { ARRAY,  make_scanner_string("--NUMBER-OF-REPLICAS=456"), scanner_string_null, NULL },
 179   { ARRAY,  make_scanner_string("--POLL-TIMEOUT=456"), scanner_string_null, NULL },
 180   { ARRAY,  make_scanner_string("--RCV-TIMEOUT=456"), scanner_string_null, NULL },
 181   { ARRAY,  make_scanner_string("--REMOVE-FAILED-SERVERS=3"), scanner_string_null, __check_REMOVE_FAILED_SERVERS },
 182   { ARRAY,  make_scanner_string("--RETRY-TIMEOUT=456"), scanner_string_null, NULL },
 183   { ARRAY,  make_scanner_string("--SND-TIMEOUT=456"), scanner_string_null, NULL },
 184   { ARRAY,  make_scanner_string("--SOCKET-RECV-SIZE=456"), scanner_string_null, NULL },
 185   { ARRAY,  make_scanner_string("--SOCKET-SEND-SIZE=456"), scanner_string_null, NULL },
 186   { NIL, scanner_string_null, scanner_string_null, NULL}
 187 };
 188
 189 scanner_variable_t test_boolean_options[]= {
 190   { ARRAY,  make_scanner_string("--BINARY-PROTOCOL"), scanner_string_null, NULL },
 191   { ARRAY,  make_scanner_string("--BUFFER-REQUESTS"), scanner_string_null, NULL },
 192   { ARRAY,  make_scanner_string("--HASH-WITH-NAMESPACE"), scanner_string_null, NULL },
 193   { ARRAY,  make_scanner_string("--NOREPLY"), scanner_string_null, __check_NOREPLY },
 194   { ARRAY,  make_scanner_string("--RANDOMIZE-REPLICA-READ"), scanner_string_null, NULL },
 195   { ARRAY,  make_scanner_string("--SORT-HOSTS"), scanner_string_null, NULL },
 196   { ARRAY,  make_scanner_string("--SUPPORT-CAS"), scanner_string_null, NULL },
 197   { ARRAY,  make_scanner_string("--TCP-NODELAY"), scanner_string_null, NULL },
 198   { ARRAY,  make_scanner_string("--TCP-KEEPALIVE"), scanner_string_null, NULL },
 199   { ARRAY,  make_scanner_string("--TCP-KEEPIDLE"), scanner_string_null, NULL },
 200   { ARRAY,  make_scanner_string("--USE-UDP"), scanner_string_null, NULL },
 201   { ARRAY,  make_scanner_string("--VERIFY-KEY"), scanner_string_null, __check_VERIFY_KEY },
 202   { NIL, scanner_string_null, scanner_string_null, NULL}
 203 };
 204
 205 scanner_variable_t namespace_strings[]= {
 206   { ARRAY, make_scanner_string("--NAMESPACE=foo"), make_scanner_string("foo"), __check_namespace },
 207   { ARRAY, make_scanner_string("--NAMESPACE=\"foo\""), make_scanner_string("foo"), __check_namespace },
 208   { ARRAY, make_scanner_string("--NAMESPACE=\"This_is_a_very_long_key\""), make_scanner_string("This_is_a_very_long_key"), __check_namespace },
 209   { NIL, scanner_string_null, scanner_string_null, NULL}
 210 };
 211
 212 scanner_variable_t distribution_strings[]= {
 213   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent"), scanner_string_null, NULL },
 214   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent,CRC"), scanner_string_null, NULL },
 215   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent,MD5"), scanner_string_null, NULL },
 216   { ARRAY,  make_scanner_string("--DISTRIBUTION=random"), scanner_string_null, __check_distribution_RANDOM },
 217   { ARRAY,  make_scanner_string("--DISTRIBUTION=modula"), scanner_string_null, NULL },
 218   { NIL, scanner_string_null, scanner_string_null, NULL}
 219 };
 220
 221 scanner_variable_t hash_strings[]= {
 222   { ARRAY,  make_scanner_string("--HASH=CRC"), scanner_string_null, NULL },
 223   { ARRAY,  make_scanner_string("--HASH=FNV1A_32"), scanner_string_null, NULL },
 224   { ARRAY,  make_scanner_string("--HASH=FNV1A_64"), scanner_string_null, NULL },
 225   { ARRAY,  make_scanner_string("--HASH=FNV1_32"), scanner_string_null, NULL },
 226   { ARRAY,  make_scanner_string("--HASH=FNV1_64"), scanner_string_null, NULL },
 227   { ARRAY,  make_scanner_string("--HASH=JENKINS"), scanner_string_null, NULL },
 228   { ARRAY,  make_scanner_string("--HASH=MD5"), scanner_string_null, NULL },
 229   { ARRAY,  make_scanner_string("--HASH=MURMUR"), scanner_string_null, NULL },
 230   { NIL, scanner_string_null, scanner_string_null, NULL}
 231 };
 232
 233
 234 static test_return_t _test_option(scanner_variable_t *scanner, bool test_true_opt= true)
 235 {
 236   for (scanner_variable_t *ptr= scanner; ptr->type != NIL; ptr++)
 237   {
 238     memcached_st *memc= memcached(ptr->option.c_str, ptr->option.size);
 239
 240     // The case that it should have parsed, but it didn't. We will inspect
 241     // for an error with libmemcached_check_configuration()
 242     if (not memc and test_true_opt)
 243     {
 244       char buffer[2048];
 245       bool success= libmemcached_check_configuration(ptr->option.c_str, ptr->option.size, buffer, sizeof(buffer));
 246
 247       std::string temp(buffer);
 248       temp+= " with option string:";
 249       temp+= ptr->option.c_str;
 250       test_true_got(success, temp.c_str());
 251
 252       return TEST_FAILURE; // The line above should fail since memc should be null
 253     }
 254
 255     if (test_true_opt)
 256     {
 257       if (ptr->check_func)
 258       {
 259         test_return_t test_rc= (*ptr->check_func)(memc, ptr->result);
 260         if (test_rc != TEST_SUCCESS)
 261         {
 262           memcached_free(memc);
 263           return test_rc;
 264         }
 265       }
 266
 267       memcached_free(memc);
 268     }
 269     else
 270     {
 271       test_false_with(memc, ptr->option.c_str);
 272     }
 273   }
 274
 275   return TEST_SUCCESS;
 276 }
 277
 278 test_return_t server_test(memcached_st *)
 279 {
 280   return _test_option(test_server_strings);
 281 }
 282
 283 test_return_t server_with_weight_test(memcached_st *)
 284 {
 285   return _test_option(test_server_strings_with_weights);
 286 }
 287
 288 test_return_t servers_bad_test(memcached_st *)
 289 {
 290   test_return_t rc;
 291   if ((rc= _test_option(bad_test_strings, false)) != TEST_SUCCESS)
 292   {
 293     return rc;
 294   }
 295
 296   return TEST_SUCCESS;
 297 }
 298
 299 test_return_t parser_number_options_test(memcached_st*)
 300 {
 301   return _test_option(test_number_options);
 302 }
 303
 304 test_return_t parser_boolean_options_test(memcached_st*)
 305 {
 306   return _test_option(test_boolean_options);
 307 }
 308
 309 test_return_t behavior_parser_test(memcached_st*)
 310 {
 311   return TEST_SUCCESS;
 312 }
 313
 314 test_return_t parser_hash_test(memcached_st*)
 315 {
 316   return _test_option(hash_strings);
 317 }
 318
 319 test_return_t parser_distribution_test(memcached_st*)
 320 {
 321   return _test_option(distribution_strings);
 322 }
 323
 324 test_return_t parser_key_prefix_test(memcached_st*)
 325 {
 326   return _test_option(distribution_strings);
 327 }
 328
 329 test_return_t test_namespace_keyword(memcached_st*)
 330 {
 331   return _test_option(namespace_strings);
 332 }
 333
 334 #define SUPPORT_EXAMPLE_CNF "support/example.cnf"
 335
 336 test_return_t memcached_create_with_options_with_filename(memcached_st*)
 337 {
 338   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 339     return TEST_SKIPPED;
 340
 341   memcached_st *memc_ptr;
 342   memc_ptr= memcached(test_literal_param("--CONFIGURE-FILE=\"support/example.cnf\""));
 343   test_true_got(memc_ptr, "memcached() failed");
 344   memcached_free(memc_ptr);
 345
 346   return TEST_SUCCESS;
 347 }
 348
 349 test_return_t libmemcached_check_configuration_with_filename_test(memcached_st*)
 350 {
 351   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 352     return TEST_SKIPPED;
 353
 354   memcached_return_t rc;
 355   char buffer[BUFSIZ];
 356
 357   rc= libmemcached_check_configuration(test_literal_param("--CONFIGURE-FILE=\"support/example.cnf\""), buffer, sizeof(buffer));
 358   test_true_got(rc == MEMCACHED_SUCCESS, (rc == MEMCACHED_ERRNO) ? strerror(errno) : memcached_strerror(NULL, rc));
 359
 360   rc= libmemcached_check_configuration(test_literal_param("--CONFIGURE-FILE=support/example.cnf"), buffer, sizeof(buffer));
 361   test_false_with(rc == MEMCACHED_SUCCESS, memcached_strerror(NULL, rc));
 362
 363   rc= libmemcached_check_configuration(test_literal_param("--CONFIGURE-FILE=\"bad-path/example.cnf\""), buffer, sizeof(buffer));
 364   test_true_got(rc == MEMCACHED_ERRNO, memcached_strerror(NULL, rc));
 365
 366   return TEST_SUCCESS;
 367 }
 368
 369 test_return_t libmemcached_check_configuration_test(memcached_st*)
 370 {
 371   memcached_return_t rc;
 372   char buffer[BUFSIZ];
 373
 374   test_compare(MEMCACHED_SUCCESS,
 375                libmemcached_check_configuration(test_literal_param("--server=localhost"), buffer, sizeof(buffer)));
 376
 377   rc= libmemcached_check_configuration(test_literal_param("--dude=localhost"), buffer, sizeof(buffer));
 378   test_false_with(rc == MEMCACHED_SUCCESS, buffer);
 379   test_true(rc == MEMCACHED_PARSE_ERROR);
 380
 381   return TEST_SUCCESS;
 382 }
 383
 384 test_return_t memcached_create_with_options_test(memcached_st*)
 385 {
 386   memcached_st *memc_ptr;
 387   memc_ptr= memcached(test_literal_param("--server=localhost"));
 388   test_true_got(memc_ptr, memcached_last_error_message(memc_ptr));
 389   memcached_free(memc_ptr);
 390
 391   memc_ptr= memcached(test_literal_param("--dude=localhost"));
 392   test_false_with(memc_ptr, memcached_last_error_message(memc_ptr));
 393
 394   return TEST_SUCCESS;
 395 }
 396
 397 test_return_t test_include_keyword(memcached_st*)
 398 {
 399   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 400     return TEST_SKIPPED;
 401
 402   char buffer[BUFSIZ];
 403   test_compare(MEMCACHED_SUCCESS,
 404                libmemcached_check_configuration(test_literal_param("INCLUDE \"support/example.cnf\""), buffer, sizeof(buffer)));
 405
 406   return TEST_SUCCESS;
 407 }
 408
 409 test_return_t test_end_keyword(memcached_st*)
 410 {
 411   char buffer[BUFSIZ];
 412   test_compare(MEMCACHED_SUCCESS,
 413                libmemcached_check_configuration(test_literal_param("--server=localhost END bad keywords"), buffer, sizeof(buffer)));
 414
 415   return TEST_SUCCESS;
 416 }
 417
 418 test_return_t test_reset_keyword(memcached_st*)
 419 {
 420   char buffer[BUFSIZ];
 421   test_compare(MEMCACHED_SUCCESS,
 422                libmemcached_check_configuration(test_literal_param("--server=localhost reset --server=bad.com"), buffer, sizeof(buffer)));
 423
 424   return TEST_SUCCESS;
 425 }
 426
 427 test_return_t test_error_keyword(memcached_st*)
 428 {
 429   char buffer[BUFSIZ];
 430   memcached_return_t rc;
 431   rc= libmemcached_check_configuration(test_literal_param("--server=localhost ERROR --server=bad.com"), buffer, sizeof(buffer));
 432   test_true_got(rc != MEMCACHED_SUCCESS, buffer);
 433
 434   return TEST_SUCCESS;
 435 }
 436
 437 #define RANDOM_STRINGS 100
 438 test_return_t random_statement_build_test(memcached_st*)
 439 {
 440   std::vector<scanner_string_st *> option_list;
 441
 442   for (scanner_variable_t *ptr= test_server_strings; ptr->type != NIL; ptr++)
 443     option_list.push_back(&ptr->option);
 444
 445   for (scanner_variable_t *ptr= test_number_options; ptr->type != NIL; ptr++)
 446     option_list.push_back(&ptr->option);
 447
 448   for (scanner_variable_t *ptr= test_boolean_options; ptr->type != NIL; ptr++)
 449     option_list.push_back(&ptr->option);
 450
 451   for (scanner_variable_t *ptr= namespace_strings; ptr->type != NIL; ptr++)
 452     option_list.push_back(&ptr->option);
 453
 454   for (scanner_variable_t *ptr= distribution_strings; ptr->type != NIL; ptr++)
 455     option_list.push_back(&ptr->option);
 456
 457   for (scanner_variable_t *ptr= hash_strings; ptr->type != NIL; ptr++)
 458     option_list.push_back(&ptr->option);
 459
 460   for (uint32_t x= 0; x < RANDOM_STRINGS; x++)
 461   {
 462     std::string random_options;
 463
 464     uint32_t number_of= random() % option_list.size();
 465     for (uint32_t options= 0; options < number_of; options++)
 466     {
 467       random_options+= option_list[random() % option_list.size()]->c_str;
 468       random_options+= " ";
 469     }
 470
 471     memcached_st *memc_ptr= memcached(random_options.c_str(), random_options.size() -1);
 472     if (not memc_ptr)
 473     {
 474       switch (errno)
 475       {
 476       case EINVAL:
 477 #if 0 // Testing framework is not smart enough for this just yet.
 478         {
 479           // We will try to find the specific error
 480           char buffer[2048];
 481           memcached_return_t rc= libmemcached_check_configuration(random_options.c_str(), random_options.size(), buffer, sizeof(buffer));
 482           test_true_got(rc != MEMCACHED_SUCCESS, "memcached_create_with_options() failed whiled libmemcached_check_configuration() was successful");
 483           std::cerr << "Error occured on " << random_options.c_str() << " : " << buffer << std::endl;
 484           return TEST_FAILURE;
 485         }
 486 #endif
 487         break;
 488       case ENOMEM:
 489         std::cerr << "Failed to allocate memory for memcached_create_with_options()" << std::endl;
 490         memcached_free(memc_ptr);
 491         return TEST_FAILURE;
 492       default:
 493         std::cerr << "Unknown error from memcached_create_with_options?!!" << std::endl;
 494         memcached_free(memc_ptr);
 495         return TEST_FAILURE;
 496       }
 497     }
 498     memcached_free(memc_ptr);
 499   }
 500
 501   return TEST_SUCCESS;
 502 }
 503
 504 static memcached_return_t dump_server_information(const memcached_st *,
 505                                                   const memcached_server_st *instance,
 506                                                   void *)
 507 {
 508   if (strcmp(memcached_server_name(instance), "localhost"))
 509   {
 510     assert(not memcached_server_name(instance));
 511     return MEMCACHED_FAILURE;
 512   }
 513
 514   if (memcached_server_port(instance) < 8888 or memcached_server_port(instance) > 8892)
 515   {
 516     assert(not memcached_server_port(instance));
 517     return MEMCACHED_FAILURE;
 518   }
 519
 520   if (instance->weight > 5 or instance->weight < 2)
 521   {
 522     assert(not instance->weight);
 523     return MEMCACHED_FAILURE;
 524   }
 525
 526   return MEMCACHED_SUCCESS;
 527 }
 528
 529
 530 test_return_t test_hostname_port_weight(memcached_st *)
 531 {
 532   const char *server_string= "--server=localhost:8888/?2 --server=localhost:8889/?3 --server=localhost:8890/?4 --server=localhost:8891/?5 --server=localhost:8892/?3";
 533   char buffer[BUFSIZ];
 534
 535   test_compare_got(MEMCACHED_SUCCESS,
 536                    libmemcached_check_configuration(server_string, strlen(server_string), buffer, sizeof(buffer)), buffer);
 537
 538   memcached_st *memc= memcached(server_string, strlen(server_string));
 539   test_true(memc);
 540
 541   memcached_server_fn callbacks[]= { dump_server_information };
 542   test_true(memcached_success(memcached_server_cursor(memc, callbacks, NULL, 1)));
 543
 544   memcached_free(memc);
 545
 546   return TEST_SUCCESS;
 547 }
 548
 549 struct socket_weight_t {
 550   const char *socket;
 551   size_t weight;
 552 };
 553
 554 static memcached_return_t dump_socket_information(const memcached_st *,
 555                                                   const memcached_server_st *instance,
 556                                                   void *context)
 557 {
 558   socket_weight_t *check= (socket_weight_t *)context;
 559
 560   if (strcmp(memcached_server_name(instance), check->socket))
 561   {
 562     std::cerr << std::endl << __FILE__ << ":" << __LINE__ << " " << memcached_server_name(instance) << " != " << check->socket << std::endl;
 563     return MEMCACHED_FAILURE;
 564   }
 565
 566   if (instance->weight == check->weight)
 567   {
 568     return MEMCACHED_SUCCESS;
 569   }
 570
 571   return MEMCACHED_FAILURE;
 572 }
 573
 574 test_return_t test_parse_socket(memcached_st *)
 575 {
 576   char buffer[BUFSIZ];
 577
 578   memcached_server_fn callbacks[]= { dump_socket_information };
 579   {
 580     test_compare_got(MEMCACHED_SUCCESS,
 581                      libmemcached_check_configuration(test_literal_param("--socket=\"/tmp/foo\""), buffer, sizeof(buffer)),
 582                      buffer);
 583
 584     memcached_st *memc= memcached(test_literal_param("--socket=\"/tmp/foo\""));
 585     test_true(memc);
 586     socket_weight_t check= { "/tmp/foo", 1 };
 587     test_compare(MEMCACHED_SUCCESS,
 588                  memcached_server_cursor(memc, callbacks, &check, 1));
 589     memcached_free(memc);
 590   }
 591
 592   {
 593     test_compare_got(MEMCACHED_SUCCESS,
 594                      libmemcached_check_configuration(test_literal_param("--socket=\"/tmp/foo\"/?23"), buffer, sizeof(buffer)),
 595                      buffer);
 596
 597     memcached_st *memc= memcached(test_literal_param("--socket=\"/tmp/foo\"/?23"));
 598     test_true(memc);
 599     socket_weight_t check= { "/tmp/foo", 23 };
 600     test_compare(MEMCACHED_SUCCESS,
 601                  memcached_server_cursor(memc, callbacks, &check, 1));
 602     memcached_free(memc);
 603   }
 604
 605   return TEST_SUCCESS;
 606 }
 607
 608 /*
 609   By setting the timeout value to zero, we force poll() to return immediatly.
 610 */
 611 test_return_t regression_bug_71231153_connect(memcached_st *)
 612 {
 613   if (libmemcached_util_ping("10.0.2.252", 0, NULL)) // If for whatever reason someone has a host at this address, skip
 614     return TEST_SKIPPED;
 615
 616   { // Test the connect-timeout, on a bad host we should get MEMCACHED_CONNECTION_FAILURE
 617     memcached_st *memc= memcached(test_literal_param("--SERVER=10.0.2.252 --CONNECT-TIMEOUT=0"));
 618     test_true(memc);
 619     test_zero(memc->connect_timeout);
 620     test_compare(MEMCACHED_DEFAULT_TIMEOUT, memc->poll_timeout);
 621
 622     memcached_return_t rc;
 623     size_t value_len;
 624     char *value= memcached_get(memc, test_literal_param("test"), &value_len, NULL, &rc);
 625     test_false(value);
 626     test_zero(value_len);
 627     test_compare_got(MEMCACHED_TIMEOUT, rc, memcached_last_error_message(memc));
 628
 629     memcached_free(memc);
 630   }
 631
 632   return TEST_SUCCESS;
 633 }
 634
 635 test_return_t regression_bug_71231153_poll(memcached_st *)
 636 {
 637   if (libmemcached_util_ping("10.0.2.252", 0, NULL)) // If for whatever reason someone has a host at this address, skip
 638     return TEST_SKIPPED;
 639
 640   { // Test the poll timeout, on a bad host we should get MEMCACHED_CONNECTION_FAILURE
 641     memcached_st *memc= memcached(test_literal_param("--SERVER=10.0.2.252 --POLL-TIMEOUT=0"));
 642     test_true(memc);
 643     test_compare(MEMCACHED_DEFAULT_CONNECT_TIMEOUT, memc->connect_timeout);
 644     test_zero(memc->poll_timeout);
 645
 646     memcached_return_t rc;
 647     size_t value_len;
 648     char *value= memcached_get(memc, test_literal_param("test"), &value_len, NULL, &rc);
 649     test_false(value);
 650     test_zero(value_len);
 651 #ifdef __APPLE__
 652     test_compare_got(MEMCACHED_CONNECTION_FAILURE, rc, memcached_last_error_message(memc));
 653 #else
 654     test_compare_got(MEMCACHED_TIMEOUT, rc, memcached_last_error_message(memc));
 655 #endif
 656
 657     memcached_free(memc);
 658   }
 659
 660   return TEST_SUCCESS;
 661 }