root/lib/common/tests/utils/pcmk_hostname_test.c

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DEFINITIONS

This source file includes following definitions.
  1. __wrap_uname
  2. uname_succeeded_test
  3. uname_failed_test
  4. main

   1 /*
   2  * Copyright 2021 the Pacemaker project contributors
   3  *
   4  * The version control history for this file may have further details.
   5  *
   6  * This source code is licensed under the GNU Lesser General Public License
   7  * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
   8  */
   9 
  10 #include <crm_internal.h>
  11 #include "mock_private.h"
  12 
  13 #include <stdarg.h>
  14 #include <stddef.h>
  15 #include <stdint.h>
  16 #include <stdlib.h>
  17 #include <string.h>
  18 #include <setjmp.h>
  19 #include <cmocka.h>
  20 
  21 #include <sys/utsname.h>
  22 
  23 int
  24 __wrap_uname(struct utsname *buf)
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  25 {
  26     int retval = mock_type(int);
  27 
  28     if (retval == 0) {
  29         strcpy(buf->nodename, mock_ptr_type(char *));
  30     }
  31 
  32     return retval;
  33 }
  34 
  35 static void
  36 uname_succeeded_test(void **state)
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  37 {
  38     char *retval;
  39 
  40     will_return(__wrap_uname, 0);                       // uname() return value
  41     will_return(__wrap_uname, "somename");              // uname() buf->nodename
  42 
  43     retval = pcmk_hostname();
  44     assert_non_null(retval);
  45     assert_string_equal("somename", retval);
  46 
  47     free(retval);
  48 }
  49 
  50 static void
  51 uname_failed_test(void **state)
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  52 {
  53     char *retval;
  54 
  55     will_return(__wrap_uname, -1);                      // uname() return value
  56 
  57     retval = pcmk_hostname();
  58     assert_null(retval);
  59 }
  60 
  61 int
  62 main(int argc, char **argv)
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  63 {
  64     const struct CMUnitTest tests[] = {
  65         cmocka_unit_test(uname_succeeded_test),
  66         cmocka_unit_test(uname_failed_test),
  67     };
  68 
  69     cmocka_set_message_output(CM_OUTPUT_TAP);
  70     return cmocka_run_group_tests(tests, NULL, NULL);
  71 }

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