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asterisk/tests/test_time.c
Josh Soref a5cdee36a7 test_time.c: Tolerate DST transitions 
When test_timezone_watch runs very near a DST transition,
two time zones that would otherwise be expected to report the same
time can differ because of the DST transition.

Instead of having the test fail when this happens, report the
times, time zones, and dst flags.

ASTERISK-29722

Change-Id: Id59bdac8b277e14343ccdf0c99b89e92f79f316a
2022-01-04 05:55:35 -06:00

301 lines
10 KiB
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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2010, Digium, Inc.
*
* Tilghman Lesher <tlesher AT digium DOT com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*!
* \file
* \brief Timezone tests
*
* \author\verbatim Tilghman Lesher <tlesher AT digium DOT com> \endverbatim
*
* \ingroup tests
*/
/*** MODULEINFO
<depend>TEST_FRAMEWORK</depend>
<support_level>core</support_level>
***/
#include "asterisk.h"
#include "asterisk/utils.h"
#include "asterisk/app.h"
#include "asterisk/module.h"
#include "asterisk/test.h"
#ifndef TZDIR
#ifdef SOLARIS
#define TZDIR "/usr/share/lib/zoneinfo"
#else
#define TZDIR "/usr/share/zoneinfo"
#endif /* defined SOLARIS */
#endif /* !defined TZDIR */
AST_TEST_DEFINE(test_timezone_watch)
{
const char *zones[] = { "America/Chicago", "America/New_York" };
int type, i, res = AST_TEST_PASS;
struct timeval tv = ast_tvnow();
struct ast_tm atm[ARRAY_LEN(zones)];
char tmpdir[] = "/tmp/timezone.XXXXXX";
char tzfile[50], syscmd[256];
switch (cmd) {
case TEST_INIT:
info->name = "timezone_watch";
info->category = "/main/stdtime/";
info->summary = "Verify deleting timezone file purges cache";
info->description =
"Verifies that the caching engine properly destroys a timezone entry when its file is deleted.";
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
}
if (!mkdtemp(tmpdir)) {
ast_test_status_update(test, "Unable to create working directory: %s\n", strerror(errno));
return AST_TEST_NOT_RUN;
}
snprintf(tzfile, sizeof(tzfile), "%s/test", tmpdir);
for (type = 0; type <
#ifdef SOLARIS
1 /* Solaris doesn't use symlinks for timezones */
#else
2
#endif
; type++) {
ast_test_status_update(test, "Executing %s test...\n", type == 0 ? "deletion" : "symlink");
for (i = 0; i < ARRAY_LEN(zones); i++) {
int system_res;
snprintf(syscmd, sizeof(syscmd), "%s " TZDIR "/%s %s", type == 0 ? "cp" : "ln -sf", zones[i], tzfile);
if ((system_res = ast_safe_system(syscmd))) {
ast_log(LOG_WARNING, "system(%s) returned non-zero: %d\n", syscmd, system_res);
}
ast_localtime_wakeup_monitor(test);
ast_test_status_update(test, "Querying timezone %s\n", tzfile);
ast_localtime(&tv, &atm[i], tzfile);
if (i != 0) {
if (atm[i].tm_hour == atm[i - 1].tm_hour) {
if (atm[i].tm_isdst == atm[i - 1].tm_isdst) {
res = AST_TEST_FAIL;
ast_test_status_update(test, "Failed %s test: %d(%s) = %d(%s)\n", type == 0 ? "deletion" : "symlink", atm[i].tm_hour, zones[i], atm[i-1].tm_hour, zones[i-1]);
} else {
ast_log(LOG_WARNING, "DST transition during %s test: %d(%s/%d) != %d(%s/%d)\n", type == 0 ? "deletion" : "symlink", atm[i].tm_hour, zones[i], atm[i].tm_isdst, atm[i-1].tm_hour, zones[i-1], atm[i-1].tm_isdst);
}
}
}
if (i + 1 != ARRAY_LEN(zones)) {
/* stat(2) only has resolution to 1 second - must wait, or the mtime is the same */
usleep(1100000);
}
}
}
snprintf(syscmd, sizeof(syscmd), "rm -rf %s", tmpdir);
if (ast_safe_system(syscmd)) {
ast_log(LOG_WARNING, "system(%s) returned non-zero.\n", syscmd);
}
return res;
}
AST_TEST_DEFINE(test_time_str_to_unit)
{
switch (cmd) {
case TEST_INIT:
info->name = "time_str_to_unit";
info->category = "/main/stdtime/";
info->summary = "Verify string to time unit conversions";
info->description = info->summary;
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
}
/* Nominal */
ast_test_validate(test, ast_time_str_to_unit("ns") == TIME_UNIT_NANOSECOND);
ast_test_validate(test, ast_time_str_to_unit("us") == TIME_UNIT_MICROSECOND);
ast_test_validate(test, ast_time_str_to_unit("ms") == TIME_UNIT_MILLISECOND);
ast_test_validate(test, ast_time_str_to_unit("s") == TIME_UNIT_SECOND);
ast_test_validate(test, ast_time_str_to_unit("m") == TIME_UNIT_MINUTE);
ast_test_validate(test, ast_time_str_to_unit("h") == TIME_UNIT_HOUR);
ast_test_validate(test, ast_time_str_to_unit("d") == TIME_UNIT_DAY);
ast_test_validate(test, ast_time_str_to_unit("w") == TIME_UNIT_WEEK);
ast_test_validate(test, ast_time_str_to_unit("mo") == TIME_UNIT_MONTH);
ast_test_validate(test, ast_time_str_to_unit("y") == TIME_UNIT_YEAR);
/* Plural */
ast_test_validate(test, ast_time_str_to_unit("nanoseconds") == TIME_UNIT_NANOSECOND);
ast_test_validate(test, ast_time_str_to_unit("microseconds") == TIME_UNIT_MICROSECOND);
ast_test_validate(test, ast_time_str_to_unit("milliseconds") == TIME_UNIT_MILLISECOND);
ast_test_validate(test, ast_time_str_to_unit("seconds") == TIME_UNIT_SECOND);
ast_test_validate(test, ast_time_str_to_unit("minutes") == TIME_UNIT_MINUTE);
ast_test_validate(test, ast_time_str_to_unit("hours") == TIME_UNIT_HOUR);
ast_test_validate(test, ast_time_str_to_unit("days") == TIME_UNIT_DAY);
ast_test_validate(test, ast_time_str_to_unit("weeks") == TIME_UNIT_WEEK);
ast_test_validate(test, ast_time_str_to_unit("months") == TIME_UNIT_MONTH);
ast_test_validate(test, ast_time_str_to_unit("years") == TIME_UNIT_YEAR);
/* Case */
ast_test_validate(test, ast_time_str_to_unit("Nsec") == TIME_UNIT_NANOSECOND);
ast_test_validate(test, ast_time_str_to_unit("Usec") == TIME_UNIT_MICROSECOND);
ast_test_validate(test, ast_time_str_to_unit("Msec") == TIME_UNIT_MILLISECOND);
ast_test_validate(test, ast_time_str_to_unit("Sec") == TIME_UNIT_SECOND);
ast_test_validate(test, ast_time_str_to_unit("Min") == TIME_UNIT_MINUTE);
ast_test_validate(test, ast_time_str_to_unit("Hr") == TIME_UNIT_HOUR);
ast_test_validate(test, ast_time_str_to_unit("Day") == TIME_UNIT_DAY);
ast_test_validate(test, ast_time_str_to_unit("Wk") == TIME_UNIT_WEEK);
ast_test_validate(test, ast_time_str_to_unit("Mth") == TIME_UNIT_MONTH);
ast_test_validate(test, ast_time_str_to_unit("Yr") == TIME_UNIT_YEAR);
return AST_TEST_PASS;
}
AST_TEST_DEFINE(test_time_create_by_unit)
{
struct timeval tv;
switch (cmd) {
case TEST_INIT:
info->name = "time_create_by_unit";
info->category = "/main/stdtime/";
info->summary = "Verify unit value to timeval conversions";
info->description = info->summary;
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
}
/* Nominal */
ast_test_validate(test, ast_time_create_by_unit(1000, TIME_UNIT_NANOSECOND).tv_usec == 1);
ast_test_validate(test, ast_time_create_by_unit(1, TIME_UNIT_MICROSECOND).tv_usec == 1);
ast_test_validate(test, ast_time_create_by_unit(1, TIME_UNIT_MILLISECOND).tv_usec == 1000);
ast_test_validate(test, ast_time_create_by_unit(1, TIME_UNIT_SECOND).tv_sec == 1);
ast_test_validate(test, ast_time_create_by_unit(1, TIME_UNIT_MINUTE).tv_sec == 60);
ast_test_validate(test, ast_time_create_by_unit(1, TIME_UNIT_HOUR).tv_sec == 3600);
ast_test_validate(test, ast_time_create_by_unit(1, TIME_UNIT_DAY).tv_sec == 86400);
ast_test_validate(test, ast_time_create_by_unit(1, TIME_UNIT_WEEK).tv_sec == 604800);
ast_test_validate(test, ast_time_create_by_unit(1, TIME_UNIT_MONTH).tv_sec == 2629746);
ast_test_validate(test, ast_time_create_by_unit(1, TIME_UNIT_YEAR).tv_sec == 31556952);
/* timeval normalization */
tv = ast_time_create_by_unit(1500000000, TIME_UNIT_NANOSECOND);
ast_test_validate(test, tv.tv_sec == 1 && tv.tv_usec == 500000);
tv = ast_time_create_by_unit(1500000, TIME_UNIT_MICROSECOND);
ast_test_validate(test, tv.tv_sec == 1 && tv.tv_usec == 500000);
tv = ast_time_create_by_unit(1500, TIME_UNIT_MILLISECOND);
ast_test_validate(test, tv.tv_sec == 1 && tv.tv_usec == 500000);
return AST_TEST_PASS;
}
AST_TEST_DEFINE(test_time_create_by_unit_str)
{
struct timeval tv;
switch (cmd) {
case TEST_INIT:
info->name = "time_create_by_unit_str";
info->category = "/main/stdtime/";
info->summary = "Verify value with unit as a string to timeval conversions";
info->description = info->summary;
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
}
/* Nominal */
ast_test_validate(test, ast_time_create_by_unit_str(1000, "ns").tv_usec == 1);
ast_test_validate(test, ast_time_create_by_unit_str(1, "us").tv_usec == 1);
ast_test_validate(test, ast_time_create_by_unit_str(1, "ms").tv_usec == 1000);
ast_test_validate(test, ast_time_create_by_unit_str(1, "s").tv_sec == 1);
ast_test_validate(test, ast_time_create_by_unit_str(1, "m").tv_sec == 60);
ast_test_validate(test, ast_time_create_by_unit_str(1, "h").tv_sec == 3600);
ast_test_validate(test, ast_time_create_by_unit_str(1, "d").tv_sec == 86400);
ast_test_validate(test, ast_time_create_by_unit_str(1, "w").tv_sec == 604800);
ast_test_validate(test, ast_time_create_by_unit_str(1, "mo").tv_sec == 2629746);
ast_test_validate(test, ast_time_create_by_unit_str(1, "yr").tv_sec == 31556952);
/* timeval normalization */
tv = ast_time_create_by_unit_str(1500000000, "ns");
ast_test_validate(test, tv.tv_sec == 1 && tv.tv_usec == 500000);
tv = ast_time_create_by_unit_str(1500000, "us");
ast_test_validate(test, tv.tv_sec == 1 && tv.tv_usec == 500000);
tv = ast_time_create_by_unit_str(1500, "ms");
ast_test_validate(test, tv.tv_sec == 1 && tv.tv_usec == 500000);
return AST_TEST_PASS;
}
AST_TEST_DEFINE(test_time_tv_to_usec)
{
struct timeval tv;
switch (cmd) {
case TEST_INIT:
info->name = "time_tv_to_usec";
info->category = "/main/stdtime/";
info->summary = "Verify conversion of a timeval structure to microseconds";
info->description = info->summary;
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
}
tv = ast_time_create(0, 0);
ast_test_validate(test, ast_time_tv_to_usec(&tv) == 0);
tv = ast_time_create(0, 1);
ast_test_validate(test, ast_time_tv_to_usec(&tv) == 1);
tv = ast_time_create(1, 0);
ast_test_validate(test, ast_time_tv_to_usec(&tv) == 1000000);
tv = ast_time_create(1, 1);
ast_test_validate(test, ast_time_tv_to_usec(&tv) == 1000001);
return AST_TEST_PASS;
}
static int unload_module(void)
{
AST_TEST_UNREGISTER(test_time_create_by_unit_str);
AST_TEST_UNREGISTER(test_time_create_by_unit);
AST_TEST_UNREGISTER(test_time_str_to_unit);
AST_TEST_UNREGISTER(test_time_tv_to_usec);
AST_TEST_UNREGISTER(test_timezone_watch);
return 0;
}
static int load_module(void)
{
AST_TEST_REGISTER(test_timezone_watch);
AST_TEST_REGISTER(test_time_tv_to_usec);
AST_TEST_REGISTER(test_time_str_to_unit);
AST_TEST_REGISTER(test_time_create_by_unit);
AST_TEST_REGISTER(test_time_create_by_unit_str);
return AST_MODULE_LOAD_SUCCESS;
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Time Tests");
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