Merging bzr://gaz.tangent.org/libmemcached/build/ to Build branch
[awesomized/libmemcached] / tests / failure.cc
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Libmemcached library
4 *
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met:
10 *
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * * Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following disclaimer
16 * in the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * * The names of its contributors may not be used to endorse or
20 * promote products derived from this software without specific prior
21 * written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 */
36
37 #include <config.h>
38
39 /*
40 C++ interface test
41 */
42 #include <libmemcached-1.0/memcached.hpp>
43 #include <libmemcached/server_instance.h>
44 #include <libtest/test.hpp>
45
46 #include <cstdio>
47 #include <cstdlib>
48 #include <cstring>
49 #include <sys/time.h>
50 #include <sys/types.h>
51 #include <sys/stat.h>
52 #include <unistd.h>
53 #include <ctime>
54
55 #include <string>
56 #include <iostream>
57
58 using namespace std;
59 using namespace memcache;
60 using namespace libtest;
61
62 Framework *global_framework= NULL;
63
64 static test_return_t shutdown_servers(memcached_st *memc)
65 {
66 test_skip_valgrind();
67
68 test_compare(memcached_server_count(memc), 1U);
69
70 // Disable a single server, just the first
71 global_framework->servers().shutdown(0);
72
73 return TEST_SUCCESS;
74 }
75
76 static test_return_t add_shutdown_servers(memcached_st *memc)
77 {
78 test_skip_valgrind();
79
80 while (memcached_server_count(memc) < 2)
81 {
82 const char *argv[1]= { "add_shutdown_server" };
83 test_true(global_framework->servers().start_socket_server("memcached", libtest::default_port(), 1, argv));
84 test_compare(MEMCACHED_SUCCESS, memcached_server_add(memc, "localhost", libtest::default_port()));
85 }
86
87 // Disable a single server, just the first
88 global_framework->servers().shutdown(0);
89
90 return TEST_SUCCESS;
91 }
92
93 static test_return_t restart_servers(memcached_st *)
94 {
95 // Restart the servers
96 global_framework->servers().restart();
97
98 return TEST_SUCCESS;
99 }
100
101 static test_return_t cull_TEST(memcached_st *memc)
102 {
103 uint32_t count= memcached_server_count(memc);
104
105 // Do not do this in your code, it is not supported.
106 memc->servers[0].options.is_dead= true;
107 memc->state.is_time_for_rebuild= true;
108
109 uint32_t new_count= memcached_server_count(memc);
110 test_compare(count, new_count);
111
112 return TEST_SUCCESS;
113 }
114
115 static test_return_t MEMCACHED_SERVER_TEMPORARILY_DISABLED_TEST(memcached_st *memc)
116 {
117 test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_RETRY_TIMEOUT, 30));
118 test_compare_got(MEMCACHED_CONNECTION_FAILURE,
119 memcached_set(memc,
120 test_literal_param("foo"),
121 NULL, 0, time_t(0), uint32_t(0)),
122 memcached_last_error_message(memc));
123
124 /*
125 Setting server_failure_counter==0 should not influence the timeout that we set above,
126 since we check the timeout that is created by the failure before we check how many times
127 a server has failed.
128 */
129 test_compare(MEMCACHED_SERVER_TEMPORARILY_DISABLED,
130 memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0)));
131
132 return TEST_SUCCESS;
133 }
134
135 static test_return_t MEMCACHED_SERVER_TEMPORARILY_DISABLED_to_success_TEST(memcached_st *memc)
136 {
137 test_compare_got(MEMCACHED_CONNECTION_FAILURE,
138 memcached_set(memc,
139 test_literal_param("foo"),
140 NULL, 0, time_t(0), uint32_t(0)),
141 memcached_last_error_message(memc));
142
143 /*
144 Setting server_failure_counter==0 should not influence the timeout that we set above,
145 since we check the timeout that is created by the failure before we check how many times
146 a server has failed.
147 */
148 test_compare(MEMCACHED_SERVER_TEMPORARILY_DISABLED,
149 memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0)));
150
151 global_framework->servers().restart();
152
153 memcached_return_t ret;
154 do {
155 sleep(3);
156 ret= memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0));
157 } while (ret == MEMCACHED_SERVER_TEMPORARILY_DISABLED);
158
159 test_compare_got(MEMCACHED_SUCCESS, ret, memcached_last_error_message(memc));
160
161 return TEST_SUCCESS;
162 }
163
164 static test_return_t MEMCACHED_SERVER_MARKED_DEAD_TEST(memcached_st *memc)
165 {
166 test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_RETRY_TIMEOUT, 30));
167 test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS, true));
168
169 memcached_return_t ret;
170 do {
171 ret= memcached_set(memc,
172 test_literal_param("foo"),
173 NULL, 0, time_t(0), uint32_t(0));
174 } while (ret == MEMCACHED_SUCCESS or ret == MEMCACHED_CONNECTION_FAILURE);
175 test_compare(MEMCACHED_SERVER_TEMPORARILY_DISABLED, ret);
176
177 do {
178 sleep(3);
179 ret= memcached_set(memc, test_literal_param("foo"), NULL, 0, time_t(0), uint32_t(0));
180 } while (ret == MEMCACHED_SERVER_TEMPORARILY_DISABLED or ret == MEMCACHED_SUCCESS);
181
182 test_compare_got(MEMCACHED_SERVER_MARKED_DEAD, ret, memcached_last_error_message(memc));
183
184 return TEST_SUCCESS;
185 }
186
187 test_st cull_TESTS[] ={
188 { "cull servers", true, (test_callback_fn*)cull_TEST },
189 { 0, 0, 0 }
190 };
191
192 test_st server_temporarily_disabled_TESTS[] ={
193 { "memcached_set(MEMCACHED_SERVER_TEMPORARILY_DISABLED)", true, (test_callback_fn*)MEMCACHED_SERVER_TEMPORARILY_DISABLED_TEST },
194 { "memcached_set(MEMCACHED_SERVER_TEMPORARILY_DISABLED -> MEMCACHED_SUCCESS)", true, (test_callback_fn*)MEMCACHED_SERVER_TEMPORARILY_DISABLED_to_success_TEST },
195 { 0, 0, 0 }
196 };
197
198 test_st server_permanently_disabled_TESTS[] ={
199 { "memcached_set(MEMCACHED_SERVER_MARKED_DEAD)", true, (test_callback_fn*)MEMCACHED_SERVER_MARKED_DEAD_TEST },
200 { 0, 0, 0 }
201 };
202
203 collection_st collection[] ={
204 { "cull", (test_callback_fn*)shutdown_servers, (test_callback_fn*)restart_servers, cull_TESTS },
205 { "server failed", (test_callback_fn*)shutdown_servers, (test_callback_fn*)restart_servers, server_temporarily_disabled_TESTS },
206 { "server eject", (test_callback_fn*)add_shutdown_servers, (test_callback_fn*)restart_servers, server_permanently_disabled_TESTS },
207 { 0, 0, 0, 0 }
208 };
209
210 #include "libmemcached_world.h"
211
212 void get_world(Framework *world)
213 {
214 world->servers().set_servers_to_run(1);
215
216 world->collections= collection;
217
218 world->_create= (test_callback_create_fn*)world_create;
219 world->_destroy= (test_callback_destroy_fn*)world_destroy;
220
221 world->item._startup= (test_callback_fn*)world_test_startup;
222 world->item.set_pre((test_callback_fn*)world_pre_run);
223 world->item.set_flush((test_callback_fn*)world_flush);
224 world->item.set_post((test_callback_fn*)world_post_run);
225 world->_on_error= (test_callback_error_fn*)world_on_error;
226
227 world->collection_startup= (test_callback_fn*)world_container_startup;
228 world->collection_shutdown= (test_callback_fn*)world_container_shutdown;
229
230 world->set_runner(&defualt_libmemcached_runner);
231
232 global_framework= world;
233 }