1 /**
2 * collectd - src/utils_format_json_test.c
3 * Copyright (C) 2015 Florian octo Forster
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * Florian octo Forster <octo at collectd.org>
25 */
27 /* Workaround for Solaris 10 defining label_t
28 * Issue #1301
29 */
30 #if KERNEL_SOLARIS
31 # ifndef _POSIX_C_SOURCE
32 # define _POSIX_C_SOURCE 200112L
33 # endif
34 # undef __EXTENSIONS__
35 #endif
37 #include "collectd.h"
39 #include "testing.h"
40 #include "utils_format_json.h"
41 #include "common.h" /* for STATIC_ARRAY_SIZE */
43 #include <yajl/yajl_common.h>
44 #include <yajl/yajl_parse.h>
45 #if HAVE_YAJL_YAJL_VERSION_H
46 # include <yajl/yajl_version.h>
47 #endif
48 #if YAJL_MAJOR > 1
49 # define HAVE_YAJL_V2 1
50 #endif
52 typedef struct
53 {
54 char const *key;
55 char const *value;
56 } label_t;
58 typedef struct
59 {
60 label_t *expected_labels;
61 size_t expected_labels_num;
63 label_t *current_label;
64 } test_case_t;
66 #if HAVE_YAJL_V2
67 static int test_map_key (void *ctx, unsigned char const *key, size_t key_len)
68 #else
69 static int test_map_key (void *ctx, unsigned char const *key, unsigned int key_len)
70 #endif
71 {
72 test_case_t *c = ctx;
73 size_t i;
75 c->current_label = NULL;
76 for (i = 0; i < c->expected_labels_num; i++)
77 {
78 label_t *l = c->expected_labels + i;
79 if ((strlen (l->key) == key_len)
80 && (strncmp (l->key, (char const *) key, key_len) == 0))
81 {
82 c->current_label = l;
83 break;
84 }
85 }
87 return 1; /* continue */
88 }
90 static int expect_label (char const *name, char const *got, char const *want)
91 {
92 _Bool ok = (strcmp (got, want) == 0);
93 char msg[1024];
95 if (ok)
96 snprintf (msg, sizeof (msg), "label[\"%s\"] = \"%s\"", name, got);
97 else
98 snprintf (msg, sizeof (msg), "label[\"%s\"] = \"%s\", want \"%s\"", name, got, want);
100 OK1 (ok, msg);
101 return 0;
102 }
104 #if HAVE_YAJL_V2
105 static int test_string (void *ctx, unsigned char const *value, size_t value_len)
106 #else
107 static int test_string (void *ctx, unsigned char const *value, unsigned int value_len)
108 #endif
109 {
110 test_case_t *c = ctx;
112 if (c->current_label != NULL)
113 {
114 label_t *l = c->current_label;
115 char *got;
116 int status;
118 got = malloc (value_len + 1);
119 memmove (got, value, value_len);
120 got[value_len] = 0;
122 status = expect_label (l->key, got, l->value);
124 free (got);
126 if (status != 0)
127 return 0; /* abort */
128 }
130 return 1; /* continue */
131 }
133 static int expect_json_labels (char *json, label_t *labels, size_t labels_num)
134 {
135 yajl_callbacks funcs = {
136 .yajl_string = test_string,
137 .yajl_map_key = test_map_key,
138 };
140 test_case_t c = { labels, labels_num, NULL };
142 yajl_handle hndl;
143 #if HAVE_YAJL_V2
144 CHECK_NOT_NULL (hndl = yajl_alloc (&funcs, /* alloc = */ NULL, &c));
145 #else
146 CHECK_NOT_NULL (hndl = yajl_alloc (&funcs, /* config = */ NULL, /* alloc = */ NULL, &c));
147 #endif
148 OK (yajl_parse (hndl, (unsigned char *) json, strlen (json)) == yajl_status_ok);
150 yajl_free (hndl);
151 return 0;
152 }
154 DEF_TEST(notification)
155 {
156 label_t labels[] = {
157 {"summary", "this is a message"},
158 {"alertname", "collectd_unit_test"},
159 {"instance", "example.com"},
160 {"service", "collectd"},
161 {"unit", "case"},
162 };
164 /* 1448284606.125 ^= 1555083754651779072 */
165 notification_t n = { NOTIF_WARNING, 1555083754651779072ULL, "this is a message",
166 "example.com", "unit", "", "test", "case", NULL };
168 char got[1024];
169 CHECK_ZERO (format_json_notification (got, sizeof (got), &n));
170 // printf ("got = \"%s\";\n", got);
172 return expect_json_labels (got, labels, STATIC_ARRAY_SIZE (labels));
173 }
175 int main (void)
176 {
177 RUN_TEST(notification);
179 END_TEST;
180 }