t/frontend/connection_test.c

   1 /*
   2  * SysDB - t/frontend/connection_test.c
   3  * Copyright (C) 2014 Sebastian 'tokkee' Harl <sh@tokkee.org>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  18  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
  19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #if HAVE_CONFIG_H
  29 #       include "config.h"
  30 #endif /* HAVE_CONFIG_H */
  31
  32 #include "frontend/connection.h"
  33 #include "frontend/connection-private.h"
  34 #include "libsysdb_test.h"
  35
  36 #include "utils/strbuf.h"
  37
  38 #include <check.h>
  39
  40 #include <stdlib.h>
  41 #include <string.h>
  42 #include <unistd.h>
  43
  44 #include <sys/types.h>
  45
  46 /*
  47  * private helper functions
  48  */
  49
  50 static void
  51 mock_conn_destroy(sdb_conn_t *conn)
  52 {
  53         if (SDB_OBJ(conn)->name)
  54                 free(SDB_OBJ(conn)->name);
  55         sdb_strbuf_destroy(conn->buf);
  56         sdb_strbuf_destroy(conn->errbuf);
  57         if (conn->fd >= 0)
  58                 close(conn->fd);
  59         free(conn);
  60 } /* mock_conn_destroy */
  61
  62 static sdb_conn_t *
  63 mock_conn_create(void)
  64 {
  65         sdb_conn_t *conn;
  66
  67         char tmp_file[] = "connection_test_socket.XXXXXX";
  68
  69         conn = calloc(1, sizeof(*conn));
  70         if (! conn) {
  71                 fail("INTERNAL ERROR: failed to allocate connection object");
  72                 return NULL;
  73         }
  74
  75         SDB_OBJ(conn)->name = strdup("mock_connection");
  76         SDB_OBJ(conn)->ref_cnt = 1;
  77
  78         conn->buf = sdb_strbuf_create(0);
  79         conn->errbuf = sdb_strbuf_create(0);
  80         if ((! conn->buf) || (! conn->errbuf)) {
  81                 mock_conn_destroy(conn);
  82                 fail("INTERNAL ERROR: failed to allocate connection object");
  83                 return NULL;
  84         }
  85
  86         conn->fd = mkstemp(tmp_file);
  87         if (conn->fd < 0) {
  88                 mock_conn_destroy(conn);
  89                 fail("INTERNAL ERROR: failed to allocate connection object");
  90                 return NULL;
  91         }
  92
  93         unlink(tmp_file);
  94
  95         conn->cmd = CONNECTION_IDLE;
  96         conn->cmd_len = 0;
  97         return conn;
  98 } /* mock_conn_create */
  99
 100 static void
 101 mock_conn_rewind(sdb_conn_t *conn)
 102 {
 103         lseek(conn->fd, 0, SEEK_SET);
 104 } /* mock_conn_rewind */
 105
 106 static void
 107 mock_conn_truncate(sdb_conn_t *conn)
 108 {
 109         lseek(conn->fd, 0, SEEK_SET);
 110         ftruncate(conn->fd, 0);
 111 } /* mock_conn_truncate */
 112
 113 /*
 114  * tests
 115  */
 116
 117 START_TEST(test_conn_setup)
 118 {
 119         sdb_conn_t *conn = mock_conn_create();
 120
 121         struct {
 122                 uint32_t code;
 123                 const char *msg;
 124                 const char *err;
 125         } golden_data[] = {
 126                 { UINT32_MAX,         NULL,       NULL },
 127                 { CONNECTION_IDLE,    "fakedata", NULL },
 128                 { CONNECTION_PING,    NULL,       "Authentication required" },
 129                 { CONNECTION_STARTUP, "fakeuser", NULL },
 130                 { CONNECTION_PING,    NULL,       NULL },
 131                 { CONNECTION_IDLE,    NULL,       NULL },
 132                 { CONNECTION_PING,    "fakedata", NULL },
 133                 { CONNECTION_IDLE,    NULL,       NULL },
 134         };
 135
 136         size_t i;
 137
 138         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data); ++i) {
 139                 ssize_t check, expected = 0;
 140
 141                 mock_conn_truncate(conn);
 142
 143                 if (golden_data[i].code != UINT32_MAX) {
 144                         expected = 2 * sizeof(uint32_t)
 145                                 + (golden_data[i].msg ? strlen(golden_data[i].msg) : 0);
 146
 147                         check = sdb_connection_send(conn, golden_data[i].code,
 148                                         (uint32_t)(golden_data[i].msg
 149                                                 ? strlen(golden_data[i].msg) : 0),
 150                                         golden_data[i].msg);
 151                         fail_unless(check == expected,
 152                                         "sdb_connection_send(%d, %s) = %zi; expected: %zi",
 153                                         golden_data[i].code,
 154                                         golden_data[i].msg ? golden_data[i].msg : "<null>",
 155                                         check, expected);
 156                 }
 157
 158                 mock_conn_rewind(conn);
 159                 check = sdb_connection_read(conn);
 160                 fail_unless(check == expected,
 161                                 "sdb_connection_read() = %zi; expected: %zi",
 162                                 check, expected);
 163
 164                 fail_unless(sdb_strbuf_len(conn->buf) == 0,
 165                                 "sdb_connection_read() left %zu bytes in the buffer; "
 166                                 "expected: 0", sdb_strbuf_len(conn->buf));
 167
 168                 if (golden_data[i].err) {
 169                         const char *err = sdb_strbuf_string(conn->errbuf);
 170                         fail_unless(strcmp(err, golden_data[i].err) == 0,
 171                                         "sdb_connection_read(): got error '%s'; "
 172                                         "expected: '%s'", err, golden_data[i].err);
 173                 }
 174                 else
 175                         fail_unless(sdb_strbuf_len(conn->errbuf) == 0,
 176                                         "sdb_connection_read() left %zu bytes in the error "
 177                                         "buffer; expected: 0", sdb_strbuf_len(conn->errbuf));
 178         }
 179
 180         mock_conn_destroy(conn);
 181 }
 182 END_TEST
 183
 184 Suite *
 185 fe_conn_suite(void)
 186 {
 187         Suite *s = suite_create("frontend::connection");
 188         TCase *tc;
 189
 190         tc = tcase_create("core");
 191         tcase_add_test(tc, test_conn_setup);
 192         suite_add_tcase(s, tc);
 193
 194         return s;
 195 } /* fe_conn_suite */
 196
 197 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 198