1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 
3 /*  CMetrics
4  *  ========
5  *  Copyright 2021 Eduardo Silva <eduardo@calyptia.com>
6  *
7  *  Licensed under the Apache License, Version 2.0 (the "License");
8  *  you may not use this file except in compliance with the License.
9  *  You may obtain a copy of the License at
10  *
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  *
13  *  Unless required by applicable law or agreed to in writing, software
14  *  distributed under the License is distributed on an "AS IS" BASIS,
15  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  *  See the License for the specific language governing permissions and
17  *  limitations under the License.
18  */
19 
20 #include <cmetrics/cmetrics.h>
21 #include <cmetrics/cmt_counter.h>
22 #include <cmetrics/cmt_encode_msgpack.h>
23 #include <cmetrics/cmt_decode_msgpack.h>
24 #include <cmetrics/cmt_encode_text.h>
25 
26 #include "cmt_tests.h"
27 
sample_data()28 static struct cmt *sample_data()
29 {
30     double val;
31     uint64_t ts;
32     struct cmt *cmt;
33     struct cmt_counter *c1;
34     struct cmt_counter *c2;
35 
36     cmt = cmt_create();
37 
38     c1 = cmt_counter_create(cmt, "kubernetes", "network", "load", "Network load",
39                             2, (char *[]) {"hostname", "app"});
40 
41     ts = 0;
42 
43     cmt_counter_get_val(c1, 0, NULL, &val);
44     cmt_counter_inc(c1, ts, 0, NULL);
45     cmt_counter_add(c1, ts, 2, 0, NULL);
46     cmt_counter_get_val(c1, 0, NULL, &val);
47 
48     cmt_counter_inc(c1, ts, 2, (char *[]) {"localhost", "cmetrics"});
49     cmt_counter_get_val(c1, 2, (char *[]) {"localhost", "cmetrics"}, &val);
50     cmt_counter_add(c1, ts, 10.55, 2, (char *[]) {"localhost", "test"});
51     cmt_counter_get_val(c1, 2, (char *[]) {"localhost", "test"}, &val);
52     cmt_counter_set(c1, ts, 12.15, 2, (char *[]) {"localhost", "test"});
53     cmt_counter_set(c1, ts, 1, 2, (char *[]) {"localhost", "test"});
54 
55 
56     c2 = cmt_counter_create(cmt, "kubernetes", "network", "cpu", "CPU load",
57                             2, (char *[]) {"hostname", "app"});
58 
59     ts = 0;
60 
61     cmt_counter_get_val(c2, 0, NULL, &val);
62     cmt_counter_inc(c2, ts, 0, NULL);
63     cmt_counter_add(c2, ts, 2, 0, NULL);
64     cmt_counter_get_val(c2, 0, NULL, &val);
65 
66     cmt_counter_inc(c2, ts, 2, (char *[]) {"localhost", "cmetrics"});
67     cmt_counter_get_val(c2, 2, (char *[]) {"localhost", "cmetrics"}, &val);
68     cmt_counter_add(c2, ts, 10.55, 2, (char *[]) {"localhost", "test"});
69     cmt_counter_get_val(c2, 2, (char *[]) {"localhost", "test"}, &val);
70     cmt_counter_set(c2, ts, 12.15, 2, (char *[]) {"localhost", "test"});
71     cmt_counter_set(c2, ts, 1, 2, (char *[]) {"localhost", "test"});
72 
73     return cmt;
74 }
75 
test_basic()76 void test_basic()
77 {
78     int ret;
79     int error;
80     size_t off = 0;
81     cmt_sds_t text1;
82     cmt_sds_t text2;
83     char *mp_buf;
84     size_t mp_size;
85     struct cmt *cmt1;
86     struct cmt *cmt2;
87 
88     cmt1 = sample_data();
89     TEST_CHECK(cmt1 != NULL);
90 
91     /* encode to text */
92     text1 = cmt_encode_text_create(cmt1);
93     TEST_CHECK(text1 != NULL);
94 
95     /* encode to msgpack */
96     ret = cmt_encode_msgpack_create(cmt1, &mp_buf, &mp_size);
97     TEST_CHECK(ret == 0);
98 
99     /* decode msgpack into cmt2 */
100     ret = cmt_decode_msgpack_create(&cmt2, mp_buf, mp_size, &off);
101     TEST_CHECK(ret == 0);
102 
103     /* encode cmt2 to text */
104     text2 = cmt_encode_text_create(cmt2);
105     TEST_CHECK(text2 != NULL);
106 
107     /* compate both texts */
108     error = 0;
109     if ((cmt_sds_len(text1) != cmt_sds_len(text2)) ||
110         strcmp(text1, text2) != 0) {
111 
112         printf("\n");
113         printf("====== EXPECTED OUTPUT =====\n%s", text1);
114         printf("\n\n");
115         printf("====== RECEIVED OUTPUT =====\n%s\n", text2);
116         error = 1;
117     }
118     TEST_CHECK(error == 0);
119 
120     cmt_encode_msgpack_destroy(mp_buf);
121     cmt_encode_text_destroy(text1);
122     cmt_encode_text_destroy(text2);
123     cmt_destroy(cmt1);
124     cmt_destroy(cmt2);
125 }
126 
127 TEST_LIST = {
128     {"basic", test_basic},
129     { 0 }
130 };
131