forked from vergoh/vnstat
-
Notifications
You must be signed in to change notification settings - Fork 0
/
vnstat_tests.c
290 lines (237 loc) · 6.77 KB
/
vnstat_tests.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
#include "vnstat_tests.h"
#include "common_tests.h"
#include "database_tests.h"
#include "config_tests.h"
#include "ifinfo_tests.h"
#include "misc_tests.h"
#include "daemon_tests.h"
#include "common.h"
int main(void)
{
int number_failed = 0;
debug = 0;
Suite *s = test_suite();
SRunner *sr = srunner_create(s);
srunner_set_log(sr, "test.log");
srunner_set_xml(sr, "test.xml");
srunner_run_all(sr, CK_NORMAL);
number_failed = srunner_ntests_failed(sr);
srunner_free(sr);
if (number_failed == 0) {
remove_directory(TESTDIR);
}
return number_failed;
}
Suite *test_suite(void)
{
Suite *s = suite_create("vnStat");
add_common_tests(s);
add_database_tests(s);
add_config_tests(s);
add_ifinfo_tests(s);
add_misc_tests(s);
add_daemon_tests(s);
return s;
}
void suppress_output(void)
{
fclose(stdout);
}
int pipe_output(void)
{
int out_pipe[2];
if (pipe(out_pipe) != 0) {
ck_abort_msg("error \"%s\" while creating pipe", strerror(errno));
}
dup2(out_pipe[1], STDOUT_FILENO);
close(out_pipe[1]);
return out_pipe[0];
}
void disable_logprints(void)
{
noexit = 2;
cfg.uselogging = 0;
}
int clean_testdbdir(void)
{
struct stat statbuf;
create_testdir();
if (stat(TESTDBDIR, &statbuf)!=0) {
if (errno==ENOENT) {
if (mkdir(TESTDBDIR, 0755)==0) {
return 1;
}
}
ck_abort_msg("error \"%s\" while creating directory \"%s\"", strerror(errno), TESTDBDIR);
}
if (!remove_directory(TESTDBDIR)) {
ck_abort_msg("error \"%s\" while removing directory \"%s\", please remove it manually", strerror(errno), TESTDBDIR);
}
if (mkdir(TESTDBDIR, 0755)!=0) {
ck_abort_msg("error \"%s\" while creating directory \"%s\"", strerror(errno), TESTDBDIR);
}
return 1;
}
int create_testdir(void)
{
struct stat statbuf;
if (stat(TESTDIR, &statbuf)!=0) {
if (errno==ENOENT) {
if (mkdir(TESTDIR, 0755)==0) {
return 1;
}
}
ck_abort_msg("error \"%s\" while creating directory \"%s\"", strerror(errno), TESTDIR);
}
return 1;
}
int create_directory(const char *directory)
{
struct stat statbuf;
if (stat(directory, &statbuf)!=0) {
if (errno==ENOENT) {
if (mkdir(directory, 0755) != 0) {
ck_abort_msg("error \"%s\" while creating directory \"%s\"", strerror(errno), directory);
}
} else {
ck_abort_msg("error \"%s\" while creating directory \"%s\"", strerror(errno), directory);
}
}
return 1;
}
int remove_directory(const char *directory)
{
DIR *dir = NULL;
struct dirent *di = NULL;
char entryname[512];
if ((dir=opendir(directory))==NULL) {
if (errno==ENOENT) {
return 1;
} else {
return 0;
}
}
while ((di=readdir(dir))) {
switch (di->d_type) {
case DT_LNK:
case DT_REG:
snprintf(entryname, 512, "%s/%s", directory, di->d_name);
if (unlink(entryname)!=0) {
closedir(dir);
return 0;
}
break;
case DT_DIR:
if (strcmp(di->d_name, ".")==0 || strcmp(di->d_name, "..")==0) {
continue;
}
snprintf(entryname, 512, "%s/%s", directory, di->d_name);
if (!remove_directory(entryname)) {
closedir(dir);
return 0;
}
break;
default:
continue;
}
}
closedir(dir);
if (rmdir(directory)!=0) {
return 0;
}
return 1;
}
int create_zerosize_dbfile(const char *iface)
{
FILE *fp;
char filename[512];
snprintf(filename, 512, "%s/%s", TESTDBDIR, iface);
if ((fp=fopen(filename, "w"))==NULL) {
ck_abort_msg("error \"%s\" while opening file \"%s\" for writing", strerror(errno), filename);
}
fclose(fp);
return 1;
}
int check_dbfile_exists(const char *iface, const int minsize)
{
struct stat statbuf;
char filename[512];
snprintf(filename, 512, "%s/%s", TESTDBDIR, iface);
if (stat(filename, &statbuf)!=0) {
if (errno==ENOENT) {
return 0;
}
ck_abort_msg("error \"%s\" while inspecting file \"%s\"", strerror(errno), filename);
}
if (statbuf.st_size < minsize) {
ck_abort_msg("file \"%s\" is smaller (%d) then given minimum %d", filename, (int)statbuf.st_size, minsize);
}
return 1;
}
int fake_proc_net_dev(const char *mode, const char *iface, const int rx, const int tx, const int rxp, const int txp)
{
FILE *devfp;
char filename[512];
if (strcmp(mode, "w") != 0 && strcmp(mode, "a") != 0) {
ck_abort_msg("error: only w and a modes are supported");
}
create_testdir();
create_directory(TESTPROCDIR);
snprintf(filename, 512, "%s/dev", TESTPROCDIR);
if ((devfp=fopen(filename, mode))==NULL) {
ck_abort_msg("error \"%s\" while opening file \"%s\" for writing", strerror(errno), filename);
}
if (strcmp(mode, "w") == 0) {
fprintf(devfp, "Inter-| Receive | Transmit\n");
fprintf(devfp, " face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed\n");
fprintf(devfp, " lo: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n");
}
fprintf(devfp, "%6s: %7d %7d 0 0 0 0 0 0 %7d %7d 0 0 0 0 0 0\n", iface, rx, rxp, tx, txp);
fclose(devfp);
return 1;
}
int fake_sys_class_net(const char *iface, const int rx, const int tx, const int rxp, const int txp, const int speed)
{
FILE *devfp;
char dirname[512];
char filename[512];
create_testdir();
create_directory(TESTSYSCLASSNETDIR);
snprintf(dirname, 512, "%s/%s", TESTSYSCLASSNETDIR, iface);
create_directory(dirname);
snprintf(dirname, 512, "%s/%s/statistics", TESTSYSCLASSNETDIR, iface);
create_directory(dirname);
if (speed != 0) {
snprintf(filename, 512, "%s/%s/speed", TESTSYSCLASSNETDIR, iface);
if ((devfp=fopen(filename, "w"))==NULL) {
ck_abort_msg("error \"%s\" while opening file \"%s\" for writing", strerror(errno), filename);
}
fprintf(devfp, "%d\n", speed);
fclose(devfp);
}
snprintf(filename, 512, "%s/%s/statistics/rx_bytes", TESTSYSCLASSNETDIR, iface);
if ((devfp=fopen(filename, "w"))==NULL) {
ck_abort_msg("error \"%s\" while opening file \"%s\" for writing", strerror(errno), filename);
}
fprintf(devfp, "%d\n", rx);
fclose(devfp);
snprintf(filename, 512, "%s/%s/statistics/tx_bytes", TESTSYSCLASSNETDIR, iface);
if ((devfp=fopen(filename, "w"))==NULL) {
ck_abort_msg("error \"%s\" while opening file \"%s\" for writing", strerror(errno), filename);
}
fprintf(devfp, "%d\n", tx);
fclose(devfp);
snprintf(filename, 512, "%s/%s/statistics/rx_packets", TESTSYSCLASSNETDIR, iface);
if ((devfp=fopen(filename, "w"))==NULL) {
ck_abort_msg("error \"%s\" while opening file \"%s\" for writing", strerror(errno), filename);
}
fprintf(devfp, "%d\n", rxp);
fclose(devfp);
snprintf(filename, 512, "%s/%s/statistics/tx_packets", TESTSYSCLASSNETDIR, iface);
if ((devfp=fopen(filename, "w"))==NULL) {
ck_abort_msg("error \"%s\" while opening file \"%s\" for writing", strerror(errno), filename);
}
fprintf(devfp, "%d\n", txp);
fclose(devfp);
return 1;
}