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monitoring-plugins/lib/tests/test_utils.c
Lorenz Kästle 87195f5511 check_snmp: refactoring + fixes 
This commit moves the state retention logic to check_snmp as it is only
used there and I do not want it to be used at all, so it doesn't get a
place in the lib.

Otherwise this adapts tests and fixes the rate computing in the
refactored version of check_snmp.
Also fixes some bugs detected with the tests
2025-09-08 15:57:06 +02:00

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/*****************************************************************************
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
*****************************************************************************/
#include "common.h"
#include "utils_base.h"
#include "tap.h"
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "utils_base.c"
int main(int argc, char **argv) {
plan_tests(155);
ok(this_monitoring_plugin == NULL, "monitoring_plugin not initialised");
np_init("check_test", argc, argv);
ok(this_monitoring_plugin != NULL, "monitoring_plugin now initialised");
ok(!strcmp(this_monitoring_plugin->plugin_name, "check_test"), "plugin name initialised");
ok(this_monitoring_plugin->argc == argc, "Argc set");
ok(this_monitoring_plugin->argv == argv, "Argv set");
np_set_args(0, 0);
ok(this_monitoring_plugin->argc == 0, "argc changed");
ok(this_monitoring_plugin->argv == 0, "argv changed");
np_set_args(argc, argv);
range *range = parse_range_string("6");
ok(range != NULL, "'6' is valid range");
ok(range->start == 0, "Start correct");
ok(range->start_infinity == false, "Not using negative infinity");
ok(range->end == 6, "End correct");
ok(range->end_infinity == false, "Not using infinity");
free(range);
range = parse_range_string("1:12%%");
ok(range != NULL, "'1:12%%' is valid - percentages are ignored");
ok(range->start == 1, "Start correct");
ok(range->start_infinity == false, "Not using negative infinity");
ok(range->end == 12, "End correct");
ok(range->end_infinity == false, "Not using infinity");
free(range);
range = parse_range_string("-7:23");
ok(range != NULL, "'-7:23' is valid range");
ok(range->start == -7, "Start correct");
ok(range->start_infinity == false, "Not using negative infinity");
ok(range->end == 23, "End correct");
ok(range->end_infinity == false, "Not using infinity");
free(range);
range = parse_range_string(":5.75");
ok(range != NULL, "':5.75' is valid range");
ok(range->start == 0, "Start correct");
ok(range->start_infinity == false, "Not using negative infinity");
ok(range->end == 5.75, "End correct");
ok(range->end_infinity == false, "Not using infinity");
free(range);
range = parse_range_string("~:-95.99");
ok(range != NULL, "~:-95.99' is valid range");
ok(range->start_infinity == true, "Using negative infinity");
ok(range->end == -95.99, "End correct (with rounding errors)");
ok(range->end_infinity == false, "Not using infinity");
free(range);
range = parse_range_string("12345678901234567890:");
double temp = atof("12345678901234567890"); /* Can't just use this because number too large */
ok(range != NULL, "'12345678901234567890:' is valid range");
ok(range->start == temp, "Start correct");
ok(range->start_infinity == false, "Not using negative infinity");
ok(range->end_infinity == true, "Using infinity");
/* Cannot do a "-1" on temp, as it appears to be same value */
ok(check_range(temp / 1.1, range) == true, "12345678901234567890/1.1 - alert");
ok(check_range(temp, range) == false, "12345678901234567890 - no alert");
ok(check_range(temp * 2, range) == false, "12345678901234567890*2 - no alert");
free(range);
range = parse_range_string("~:0");
ok(range != NULL, "'~:0' is valid range");
ok(range->start_infinity == true, "Using negative infinity");
ok(range->end == 0, "End correct");
ok(range->end_infinity == false, "Not using infinity");
ok(range->alert_on == OUTSIDE, "Will alert on outside of this range");
ok(check_range(0.5, range) == true, "0.5 - alert");
ok(check_range(-10, range) == false, "-10 - no alert");
ok(check_range(0, range) == false, "0 - no alert");
free(range);
range = parse_range_string("@0:657.8210567");
ok(range != 0, "@0:657.8210567' is a valid range");
ok(range->start == 0, "Start correct");
ok(range->start_infinity == false, "Not using negative infinity");
ok(range->end == 657.8210567, "End correct");
ok(range->end_infinity == false, "Not using infinity");
ok(range->alert_on == INSIDE, "Will alert on inside of this range");
ok(check_range(32.88, range) == true, "32.88 - alert");
ok(check_range(-2, range) == false, "-2 - no alert");
ok(check_range(657.8210567, range) == true, "657.8210567 - alert");
ok(check_range(0, range) == true, "0 - alert");
free(range);
range = parse_range_string("@1:1");
ok(range != NULL, "'@1:1' is a valid range");
ok(range->start == 1, "Start correct");
ok(range->start_infinity == false, "Not using negative infinity");
ok(range->end == 1, "End correct");
ok(range->end_infinity == false, "Not using infinity");
ok(range->alert_on == INSIDE, "Will alert on inside of this range");
ok(check_range(0.5, range) == false, "0.5 - no alert");
ok(check_range(1, range) == true, "1 - alert");
ok(check_range(5.2, range) == false, "5.2 - no alert");
free(range);
range = parse_range_string("1:1");
ok(range != NULL, "'1:1' is a valid range");
ok(range->start == 1, "Start correct");
ok(range->start_infinity == false, "Not using negative infinity");
ok(range->end == 1, "End correct");
ok(range->end_infinity == false, "Not using infinity");
ok(check_range(0.5, range) == true, "0.5 - alert");
ok(check_range(1, range) == false, "1 - no alert");
ok(check_range(5.2, range) == true, "5.2 - alert");
free(range);
range = parse_range_string("2:1");
ok(range == NULL, "'2:1' rejected");
thresholds *thresholds = NULL;
int returnCode;
returnCode = _set_thresholds(&thresholds, NULL, NULL);
ok(returnCode == 0, "Thresholds (NULL, NULL) set");
ok(thresholds->warning == NULL, "Warning not set");
ok(thresholds->critical == NULL, "Critical not set");
returnCode = _set_thresholds(&thresholds, NULL, "80");
ok(returnCode == 0, "Thresholds (NULL, '80') set");
ok(thresholds->warning == NULL, "Warning not set");
ok(thresholds->critical->end == 80, "Critical set correctly");
returnCode = _set_thresholds(&thresholds, "5:33", NULL);
ok(returnCode == 0, "Thresholds ('5:33', NULL) set");
ok(thresholds->warning->start == 5, "Warning start set");
ok(thresholds->warning->end == 33, "Warning end set");
ok(thresholds->critical == NULL, "Critical not set");
returnCode = _set_thresholds(&thresholds, "30", "60");
ok(returnCode == 0, "Thresholds ('30', '60') set");
ok(thresholds->warning->end == 30, "Warning set correctly");
ok(thresholds->critical->end == 60, "Critical set correctly");
ok(get_status(15.3, thresholds) == STATE_OK, "15.3 - ok");
ok(get_status(30.0001, thresholds) == STATE_WARNING, "30.0001 - warning");
ok(get_status(69, thresholds) == STATE_CRITICAL, "69 - critical");
returnCode = _set_thresholds(&thresholds, "-10:-2", "-30:20");
ok(returnCode == 0, "Thresholds ('-30:20', '-10:-2') set");
ok(thresholds->warning->start == -10, "Warning start set correctly");
ok(thresholds->warning->end == -2, "Warning end set correctly");
ok(thresholds->critical->start == -30, "Critical start set correctly");
ok(thresholds->critical->end == 20, "Critical end set correctly");
ok(get_status(-31, thresholds) == STATE_CRITICAL, "-31 - critical");
ok(get_status(-29, thresholds) == STATE_WARNING, "-29 - warning");
ok(get_status(-11, thresholds) == STATE_WARNING, "-11 - warning");
ok(get_status(-10, thresholds) == STATE_OK, "-10 - ok");
ok(get_status(-2, thresholds) == STATE_OK, "-2 - ok");
ok(get_status(-1, thresholds) == STATE_WARNING, "-1 - warning");
ok(get_status(19, thresholds) == STATE_WARNING, "19 - warning");
ok(get_status(21, thresholds) == STATE_CRITICAL, "21 - critical");
char *test;
test = np_escaped_string("bob\\n");
ok(strcmp(test, "bob\n") == 0, "bob\\n ok");
free(test);
test = np_escaped_string("rhuba\\rb");
ok(strcmp(test, "rhuba\rb") == 0, "rhuba\\rb okay");
free(test);
test = np_escaped_string("ba\\nge\\r");
ok(strcmp(test, "ba\nge\r") == 0, "ba\\nge\\r okay");
free(test);
test = np_escaped_string("\\rabbi\\t");
ok(strcmp(test, "\rabbi\t") == 0, "\\rabbi\\t okay");
free(test);
test = np_escaped_string("and\\\\or");
ok(strcmp(test, "and\\or") == 0, "and\\\\or okay");
free(test);
test = np_escaped_string("bo\\gus");
ok(strcmp(test, "bogus") == 0, "bo\\gus okay");
free(test);
test = np_escaped_string("everything");
ok(strcmp(test, "everything") == 0, "everything okay");
/* np_extract_ntpvar tests (23) */
test = np_extract_ntpvar("foo=bar, bar=foo, foobar=barfoo\n", "foo");
ok(test && !strcmp(test, "bar"), "1st test as expected");
free(test);
test = np_extract_ntpvar("foo=bar,bar=foo,foobar=barfoo\n", "bar");
ok(test && !strcmp(test, "foo"), "2nd test as expected");
free(test);
test = np_extract_ntpvar("foo=bar, bar=foo, foobar=barfoo\n", "foobar");
ok(test && !strcmp(test, "barfoo"), "3rd test as expected");
free(test);
test = np_extract_ntpvar("foo=bar\n", "foo");
ok(test && !strcmp(test, "bar"), "Single test as expected");
free(test);
test = np_extract_ntpvar("foo=bar, bar=foo, foobar=barfooi\n", "abcd");
ok(!test, "Key not found 1");
test = np_extract_ntpvar("foo=bar\n", "abcd");
ok(!test, "Key not found 2");
test = np_extract_ntpvar("foo=bar=foobar", "foo");
ok(test && !strcmp(test, "bar=foobar"), "Strange string 1");
free(test);
test = np_extract_ntpvar("foo", "foo");
ok(!test, "Malformed string 1");
test = np_extract_ntpvar("foo,", "foo");
ok(!test, "Malformed string 2");
test = np_extract_ntpvar("foo=", "foo");
ok(!test, "Malformed string 3");
test = np_extract_ntpvar("foo=,bar=foo", "foo");
ok(!test, "Malformed string 4");
test = np_extract_ntpvar(",foo", "foo");
ok(!test, "Malformed string 5");
test = np_extract_ntpvar("=foo", "foo");
ok(!test, "Malformed string 6");
test = np_extract_ntpvar("=foo,", "foo");
ok(!test, "Malformed string 7");
test = np_extract_ntpvar(",,,", "foo");
ok(!test, "Malformed string 8");
test = np_extract_ntpvar("===", "foo");
ok(!test, "Malformed string 9");
test = np_extract_ntpvar(",=,=,", "foo");
ok(!test, "Malformed string 10");
test = np_extract_ntpvar("=,=,=", "foo");
ok(!test, "Malformed string 11");
test = np_extract_ntpvar(" foo=bar ,\n bar=foo\n , foobar=barfoo \n ", "foo");
ok(test && !strcmp(test, "bar"), "Random spaces and newlines 1");
free(test);
test = np_extract_ntpvar(" foo=bar ,\n bar=foo\n , foobar=barfoo \n ", "bar");
ok(test && !strcmp(test, "foo"), "Random spaces and newlines 2");
free(test);
test = np_extract_ntpvar(" foo=bar ,\n bar=foo\n , foobar=barfoo \n ", "foobar");
ok(test && !strcmp(test, "barfoo"), "Random spaces and newlines 3");
free(test);
test = np_extract_ntpvar(" foo=bar ,\n bar\n \n= \n foo\n , foobar=barfoo \n ", "bar");
ok(test && !strcmp(test, "foo"), "Random spaces and newlines 4");
free(test);
test = np_extract_ntpvar("", "foo");
ok(!test, "Empty string return NULL");
ok(mp_suid() == false, "Test aren't suid");
/* base states with random case */
char *states[] = {"Ok", "wArnINg", "cRiTIcaL", "UnKNoWN", NULL};
for (int i = 0; states[i] != NULL; i++) {
/* out of the random case states, create the lower and upper versions + numeric string one
*/
char *statelower = strdup(states[i]);
char *stateupper = strdup(states[i]);
char statenum[2];
for (char *temp_ptr = statelower; *temp_ptr; temp_ptr++) {
*temp_ptr = (char)tolower(*temp_ptr);
}
for (char *temp_ptr = stateupper; *temp_ptr; temp_ptr++) {
*temp_ptr = (char)toupper(*temp_ptr);
}
snprintf(statenum, 2, "%i", i);
/* Base test names, we'll append the state string */
char testname[64] = "Translate state string: ";
size_t tlen = strlen(testname);
strcpy(testname + tlen, states[i]);
ok(i == mp_translate_state(states[i]), testname);
strcpy(testname + tlen, statelower);
ok(i == mp_translate_state(statelower), testname);
strcpy(testname + tlen, stateupper);
ok(i == mp_translate_state(stateupper), testname);
strcpy(testname + tlen, statenum);
ok(i == mp_translate_state(statenum), testname);
}
ok(ERROR == mp_translate_state("warningfewgw"), "Translate state string with garbage");
ok(ERROR == mp_translate_state("00"), "Translate state string: bad numeric string 1");
ok(ERROR == mp_translate_state("01"), "Translate state string: bad numeric string 2");
ok(ERROR == mp_translate_state("10"), "Translate state string: bad numeric string 3");
ok(ERROR == mp_translate_state(""), "Translate state string: empty string");
return exit_status();
}
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