root/lib/common/tests/schemas/crm_schema_init_test.c

/* */

DEFINITIONS

1. symlink_schema
2. rm_files
3. rmtree
4. setup
5. teardown
6. assert_schema
7. extra_schema_files

   1 /*
   2  * Copyright 2023-2024 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 General Public License version 2
   7  * or later (GPLv2+) WITHOUT ANY WARRANTY.
   8  */
   9 
  10 #include <crm_internal.h>
  11 
  12 #include <ftw.h>
  13 #include <unistd.h>
  14 
  15 #include <crm/common/xml.h>
  16 #include <crm/common/unittest_internal.h>
  17 #include <crm/common/xml_internal.h>
  18 #include "crmcommon_private.h"
  19 
  20 static char *remote_schema_dir = NULL;
  21 
  22 static int
  23 symlink_schema(const char *tmpdir, const char *target_file, const char *link_file)
     /*  */
  24 {
  25     int rc = 0;
  26     char *oldpath = NULL;
  27     char *newpath = NULL;
  28 
  29     oldpath = crm_strdup_printf("%s/%s", PCMK__TEST_SCHEMA_DIR, target_file);
  30     newpath = crm_strdup_printf("%s/%s", tmpdir, link_file);
  31 
  32     rc = symlink(oldpath, newpath);
  33 
  34     free(oldpath);
  35     free(newpath);
  36     return rc;
  37 }
  38 
  39 static int
  40 rm_files(const char *pathname, const struct stat *sbuf, int type, struct FTW *ftwb)
     /*  */
  41 {
  42     return remove(pathname);
  43 }
  44 
  45 static int
  46 rmtree(const char *dir)
     /*  */
  47 {
  48     return nftw(dir, rm_files, 10, FTW_DEPTH|FTW_MOUNT|FTW_PHYS);
  49 }
  50 
  51 static int
  52 setup(void **state)
     /*  */
  53 {
  54     char *dir = NULL;
  55 
  56     /* Create a directory to hold additional schema files.  These don't need
  57      * to be anything special - we can just copy existing schemas but give
  58      * them new names.
  59      */
  60     dir = crm_strdup_printf("%s/test-schemas.XXXXXX", pcmk__get_tmpdir());
  61     remote_schema_dir = mkdtemp(dir);
  62 
  63     if (remote_schema_dir == NULL) {
  64         free(dir);
  65         return -1;
  66     }
  67 
  68     /* Add new files to simulate a remote node not being up-to-date.  We can't
  69      * add a new major version here without also creating an XSL transform, and
  70      * we can't add an older version (like 1.1 or 2.11 or something) because
  71      * remotes will only ever ask for stuff newer than their newest.
  72      */
  73     if (symlink_schema(dir, "pacemaker-3.0.rng", "pacemaker-3.1.rng") != 0) {
  74         rmdir(dir);
  75         free(dir);
  76         return -1;
  77     }
  78 
  79     if (symlink_schema(dir, "pacemaker-3.0.rng", "pacemaker-3.2.rng") != 0) {
  80         rmdir(dir);
  81         free(dir);
  82         return -1;
  83     }
  84 
  85     setenv("PCMK_remote_schema_directory", remote_schema_dir, 1);
  86     setenv("PCMK_schema_directory", PCMK__TEST_SCHEMA_DIR, 1);
  87 
  88     /* Do not call crm_schema_init here because that is the function we're
  89      * testing.  It needs to be called in each unit test.  However, we can
  90      * call crm_schema_cleanup in teardown().
  91      */
  92 
  93     return 0;
  94 }
  95 
  96 static int
  97 teardown(void **state)
     /*  */
  98 {
  99     int rc = 0;
 100     char *f = NULL;
 101 
 102     crm_schema_cleanup();
 103     unsetenv("PCMK_remote_schema_directory");
 104     unsetenv("PCMK_schema_directory");
 105 
 106     rc = rmtree(remote_schema_dir);
 107 
 108     free(remote_schema_dir);
 109     free(f);
 110     return rc;
 111 }
 112 
 113 static void
 114 assert_schema(const char *schema_name, int schema_index)
     /*  */
 115 {
 116     GList *entry = NULL;
 117     pcmk__schema_t *schema = NULL;
 118 
 119     entry = pcmk__get_schema(schema_name);
 120     assert_non_null(entry);
 121 
 122     schema = entry->data;
 123     assert_non_null(schema);
 124 
 125     assert_int_equal(schema_index, schema->schema_index);
 126 }
 127 
 128 static void
 129 extra_schema_files(void **state)
     /*  */
 130 {
 131     crm_schema_init();
 132 
 133     /* Just iterate through the list of schemas and make sure everything
 134      * (including the new schemas we loaded from a second directory) is in
 135      * the right order.
 136      */
 137     assert_schema("pacemaker-1.0", 0);
 138     assert_schema("pacemaker-1.2", 1);
 139     assert_schema("pacemaker-2.0", 3);
 140     assert_schema("pacemaker-3.0", 14);
 141     assert_schema("pacemaker-3.1", 15);
 142     assert_schema("pacemaker-3.2", 16);
 143 
 144     // @COMPAT pacemaker-next is deprecated since 2.1.5
 145     assert_schema("pacemaker-next", 17);
 146 
 147     // @COMPAT none is deprecated since 2.1.8
 148     assert_schema(PCMK_VALUE_NONE, 18);
 149 }
 150 
 151 PCMK__UNIT_TEST(setup, teardown,
 152                 cmocka_unit_test(extra_schema_files));

/* */