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/* libguestfs
* Copyright (C) 2014 Red Hat Inc.
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* Test backend settings API. */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <error.h>
#include <assert.h>
#include "guestfs.h"
#include "guestfs-utils.h"
int
main (int argc, char *argv[])
{
guestfs_h *g;
char **strs;
char *str;
int r, pass;
/* Make sure that LIBGUESTFS_BACKEND_SETTINGS in the test
* environment doesn't affect the handle.
*/
unsetenv ("LIBGUESTFS_BACKEND_SETTINGS");
g = guestfs_create ();
if (g == NULL)
error (EXIT_FAILURE, errno, "guestfs_create");
/* There should be no backend settings initially. */
strs = guestfs_get_backend_settings (g);
assert (strs != NULL);
assert (strs[0] == NULL);
guestfs_int_free_string_list (strs);
guestfs_push_error_handler (g, NULL, NULL);
str = guestfs_get_backend_setting (g, "foo");
guestfs_pop_error_handler (g);
assert (str == NULL);
assert (guestfs_last_errno (g) == ESRCH);
r = guestfs_clear_backend_setting (g, "bar");
assert (r == 0);
/* Create some settings in the handle, either using
* guestfs_set_backend_settings or using the environment variable.
*/
for (pass = 0; pass <= 1; ++pass) {
if (pass == 0) {
const char *initial_settings[] = {
"foo", "foo=1", "foo=bar", "bar", "baz=value", NULL
};
r = guestfs_set_backend_settings (g, (char **) initial_settings);
assert (r == 0);
}
else /* pass == 1 */ {
const char *initial_settings = "foo:foo=1:foo=bar:bar:baz=value";
guestfs_close (g);
setenv ("LIBGUESTFS_BACKEND_SETTINGS", initial_settings, 1);
g = guestfs_create ();
if (g == NULL)
error (EXIT_FAILURE, errno, "guestfs_create");
}
/* Check the settings are correct. */
strs = guestfs_get_backend_settings (g);
assert (strs != NULL);
assert (STREQ (strs[0], "foo"));
assert (STREQ (strs[1], "foo=1"));
assert (STREQ (strs[2], "foo=bar"));
assert (STREQ (strs[3], "bar"));
assert (STREQ (strs[4], "baz=value"));
assert (strs[5] == NULL);
guestfs_int_free_string_list (strs);
str = guestfs_get_backend_setting (g, "bar");
assert (str != NULL);
assert (STREQ (str, "1"));
free (str);
str = guestfs_get_backend_setting (g, "baz");
assert (str != NULL);
assert (STREQ (str, "value"));
free (str);
str = guestfs_get_backend_setting (g, "foo");
assert (str != NULL);
/* An implementation could return any of the values. */
free (str);
guestfs_push_error_handler (g, NULL, NULL);
str = guestfs_get_backend_setting (g, "nothere");
guestfs_pop_error_handler (g);
assert (str == NULL);
assert (guestfs_last_errno (g) == ESRCH);
r = guestfs_set_backend_setting (g, "foo", "");
assert (r == 0);
r = guestfs_set_backend_setting (g, "foo", "1");
assert (r == 0);
r = guestfs_set_backend_setting (g, "foo", "2");
assert (r == 0);
r = guestfs_set_backend_setting (g, "foo", "3");
assert (r == 0);
r = guestfs_clear_backend_setting (g, "foo");
assert (r == 1);
r = guestfs_clear_backend_setting (g, "bar");
assert (r == 1);
r = guestfs_clear_backend_setting (g, "baz");
assert (r == 1);
strs = guestfs_get_backend_settings (g);
assert (strs != NULL);
assert (strs[0] == NULL);
guestfs_int_free_string_list (strs);
}
guestfs_close (g);
exit (EXIT_SUCCESS);
}
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