Updated to push API tests into version.

[awesomized/libmemcached] / tests / libmemcached-1.0 / virtual_buckets.cc

diff --git a/tests/libmemcached-1.0/virtual_buckets.cc b/tests/libmemcached-1.0/virtual_buckets.cc
new file mode 100644 (file)
index 0000000..ec8225d
--- /dev/null
+++ b/tests/libmemcached-1.0/virtual_buckets.cc
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+/*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
+ * 
+ *  Libmemcached Client and Server 
+ *
+ *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are
+ *  met:
+ *
+ *      * Redistributions of source code must retain the above copyright
+ *  notice, this list of conditions and the following disclaimer.
+ *
+ *      * Redistributions in binary form must reproduce the above
+ *  copyright notice, this list of conditions and the following disclaimer
+ *  in the documentation and/or other materials provided with the
+ *  distribution.
+ *
+ *      * The names of its contributors may not be used to endorse or
+ *  promote products derived from this software without specific prior
+ *  written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <config.h>
+#include <libtest/test.hpp>
+
+using namespace libtest;
+
+#include <tests/virtual_buckets.h>
+
+#include <libmemcached/memcached.h>
+
+#include <cstring>
+
+struct libtest_string_t {
+  const char *c_str;
+  size_t size;
+};
+
+static inline libtest_string_t libtest_string(const char *arg, size_t arg_size)
+{
+  libtest_string_t local= { arg, arg_size };
+  return local;
+}
+
+#define make_libtest_string(X) libtest_string((X), static_cast<size_t>(sizeof(X) - 1))
+
+static libtest_string_t libtest_string_t_null= { 0, 0};
+
+static bool libtest_string_is_null(const libtest_string_t &string)
+{
+  if (string.c_str == 0 and string.size == 0)
+    return true;
+
+  return false;
+}
+
+struct expect_t {
+  libtest_string_t key;
+  uint32_t server_id;
+  uint32_t bucket_id;
+};
+
+expect_t basic_keys[]= {
+  { make_libtest_string("hello"), 0, 0 },
+  { make_libtest_string("doctor"), 0, 0 },
+  { make_libtest_string("name"), 1, 3 },
+  { make_libtest_string("continue"), 1, 3 },
+  { make_libtest_string("yesterday"), 0, 0 },
+  { make_libtest_string("tomorrow"), 1, 1 },
+  { make_libtest_string("another key"), 2, 2 },
+  { libtest_string_t_null, 0, 0 }
+};
+
+test_return_t virtual_back_map(memcached_st *)
+{
+  memcached_return_t rc;
+  memcached_server_st *server_pool;
+  memcached_st *memc;
+
+  memc= memcached_create(NULL);
+  test_true(memc);
+
+  uint32_t server_map[] = { 0, 1, 2, 1 };
+  rc= memcached_bucket_set(memc, server_map, NULL, 4, 2);
+  test_true(rc == MEMCACHED_SUCCESS);
+
+  memcached_server_distribution_t dt;
+  dt= memcached_behavior_get_distribution(memc);
+  test_true(dt == MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET);
+
+  memcached_behavior_set_key_hash(memc, MEMCACHED_HASH_CRC);
+  test_true(rc == MEMCACHED_SUCCESS);
+
+  memcached_hash_t hash_type= memcached_behavior_get_key_hash(memc);
+  test_true(hash_type == MEMCACHED_HASH_CRC);
+
+  server_pool = memcached_servers_parse("localhost:11211, localhost1:11210, localhost2:11211");
+  test_true(server_pool);
+  memcached_server_push(memc, server_pool);
+
+  /* verify that the server list was parsed okay. */
+  test_true(memcached_server_count(memc) == 3);
+  test_true(strcmp(server_pool[0].hostname, "localhost") == 0);
+  test_true(server_pool[0].port == 11211);
+
+  test_true(strcmp(server_pool[1].hostname, "localhost1") == 0);
+  test_true(server_pool[1].port == 11210);
+
+  test_true(strcmp(server_pool[2].hostname, "localhost2") == 0);
+  test_true(server_pool[2].port == 11211);
+
+  dt= memcached_behavior_get_distribution(memc);
+  hash_type= memcached_behavior_get_key_hash(memc);
+  test_true(dt == MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET);
+  test_true(hash_type == MEMCACHED_HASH_CRC);
+
+  /* verify the standard ketama set. */
+  for (expect_t *ptr= basic_keys; not libtest_string_is_null(ptr->key); ptr++)
+  {
+    uint32_t server_idx = memcached_generate_hash(memc, ptr->key.c_str, ptr->key.size); 
+
+    char buffer[1024];
+    snprintf(buffer, sizeof(buffer), "%.*s:%lu Got/Expected %u == %u", (int)ptr->key.size, ptr->key.c_str, (unsigned long)ptr->key.size, server_idx, ptr->server_id);
+    test_true_got(server_idx == ptr->server_id, buffer);
+  }
+
+  memcached_server_list_free(server_pool);
+  memcached_free(memc);
+
+  return TEST_SUCCESS;
+}