353ef01c36f707e89e2436674201b71acae478f4
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 #include "testing.h"
28 #include "collectd.h"
29 #include "utils_format_json.h"
30 #include "common.h" /* for STATIC_ARRAY_SIZE */
32 #include <yajl/yajl_common.h>
33 #include <yajl/yajl_parse.h>
34 #if HAVE_YAJL_YAJL_VERSION_H
35 # include <yajl/yajl_version.h>
36 #endif
37 #if defined(YAJL_MAJOR) && (YAJL_MAJOR > 1)
38 # define HAVE_YAJL_V2 1
39 #endif
41 struct label_s
42 {
43 char *key;
44 char *value;
45 };
46 typedef struct label_s label_t;
48 struct test_case_s
49 {
50 label_t *expected_labels;
51 size_t expected_labels_num;
53 label_t *current_label;
54 };
55 typedef struct test_case_s test_case_t;
57 #if HAVE_YAJL_V2
58 static int test_map_key (void *ctx, unsigned char const *key, size_t key_len)
59 #else
60 static int test_map_key (void *ctx, unsigned char const *key, unsigned int key_len)
61 #endif
62 {
63 test_case_t *c = ctx;
64 size_t i;
66 c->current_label = NULL;
67 for (i = 0; i < c->expected_labels_num; i++)
68 {
69 label_t *l = c->expected_labels + i;
70 if ((strlen (l->key) == key_len)
71 && (strncmp (l->key, (char const *) key, key_len) == 0))
72 {
73 c->current_label = l;
74 break;
75 }
76 }
78 return 1; /* continue */
79 }
81 static int expect_label (char const *name, char const *got, char const *want)
82 {
83 _Bool ok = (strcmp (got, want) == 0);
84 char msg[1024];
86 if (ok)
87 snprintf (msg, sizeof (msg), "label[\"%s\"] = \"%s\"", name, got);
88 else
89 snprintf (msg, sizeof (msg), "label[\"%s\"] = \"%s\", want \"%s\"", name, got, want);
91 OK1 (ok, msg);
92 return 0;
93 }
95 #if HAVE_YAJL_V2
96 static int test_string (void *ctx, unsigned char const *value, size_t value_len)
97 #else
98 static int test_string (void *ctx, unsigned char const *value, unsigned int value_len)
99 #endif
100 {
101 test_case_t *c = ctx;
103 if (c->current_label != NULL)
104 {
105 label_t *l = c->current_label;
106 char *got;
107 int status;
109 got = malloc (value_len + 1);
110 memmove (got, value, value_len);
111 got[value_len] = 0;
113 status = expect_label (l->key, got, l->value);
115 free (got);
117 if (status != 0)
118 return 0; /* abort */
119 }
121 return 1; /* continue */
122 }
124 static int expect_json_labels (char *json, label_t *labels, size_t labels_num)
125 {
126 yajl_callbacks funcs = {
127 .yajl_string = test_string,
128 .yajl_map_key = test_map_key,
129 };
131 test_case_t c = { labels, labels_num, NULL };
133 yajl_handle hndl;
134 #if HAVE_YAJL_V2
135 CHECK_NOT_NULL (hndl = yajl_alloc (&funcs, /* alloc = */ NULL, &c));
136 #else
137 CHECK_NOT_NULL (hndl = yajl_alloc (&funcs, /* config = */ NULL, /* alloc = */ NULL, &c));
138 #endif
139 OK (yajl_parse (hndl, (unsigned char *) json, strlen (json)) == yajl_status_ok);
141 yajl_free (hndl);
142 return 0;
143 }
145 DEF_TEST(notification)
146 {
147 label_t labels[] = {
148 {"summary", "this is a message"},
149 {"alertname", "collectd_unit_test"},
150 {"instance", "example.com"},
151 {"service", "collectd"},
152 {"unit", "case"},
153 };
155 /* 1448284606.125 ^= 1555083754651779072 */
156 notification_t n = { NOTIF_WARNING, 1555083754651779072ULL, "this is a message",
157 "example.com", "unit", "", "test", "case", NULL };
159 char got[1024];
160 CHECK_ZERO (format_json_notification (got, sizeof (got), &n));
161 // printf ("got = \"%s\";\n", got);
163 return expect_json_labels (got, labels, STATIC_ARRAY_SIZE (labels));
164 }
166 int main (void)
167 {
168 RUN_TEST(notification);
170 END_TEST;
171 }