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/* umockdev example: use libumockdev in C to fake a battery
* Build with:
* gcc battery.c -Wall `pkg-config --cflags --libs umockdev-1.0 gio-2.0` -o /tmp/battery
* Run with:
* umockdev-wrapper /tmp/battery
*
* Copyright (C) 2013 Canonical Ltd.
* Author: Martin Pitt <martin.pitt@ubuntu.com>
*
* umockdev is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* umockdev 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; If not, see <http://www.gnu.org/licenses/>.
*/
#include <locale.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/wait.h>
#include <glib.h>
#include <gio/gio.h>
#include <umockdev.h>
#include <gudev/gudev.h>
static void
test_uncached_sysfs_attr (void)
{
/* create test bed */
UMockdevTestbed *testbed = umockdev_testbed_new ();
/* Relies on a test bed having been set up */
g_assert (umockdev_in_mock_environment ());
umockdev_testbed_add_device (testbed, "platform", "dev1", NULL,
"dytc_lapmode", "1", "console", "Y\n", NULL,
"ID_MODEL", "KoolGadget", NULL);
/* Check the number of items in GUdevClient */
const gchar *subsystems[] = { "platform", NULL};
GUdevClient *client = g_udev_client_new (subsystems);
GUdevDevice *dev;
g_autofree char *lapmode_path = NULL;
g_autofree char *console_path = NULL;
FILE *sysfsfp;
GList *devices = g_udev_client_query_by_subsystem (client, NULL);
g_assert_cmpint (g_list_length (devices), ==, 1);
dev = devices->data;
lapmode_path = g_build_filename (g_udev_device_get_sysfs_path (dev), "dytc_lapmode", NULL);
/* First access */
g_assert_true (g_udev_device_get_sysfs_attr_as_boolean (dev, "dytc_lapmode"));
sysfsfp = fopen (lapmode_path, "w");
fprintf (sysfsfp, "%s\n", "0");
fclose (sysfsfp);
/* This is cached */
g_assert_true (g_udev_device_get_sysfs_attr_as_boolean (dev, "dytc_lapmode"));
/* This is uncached, and updates the cache */
g_assert_false (g_udev_device_get_sysfs_attr_as_boolean_uncached (dev, "dytc_lapmode"));
g_assert_false (g_udev_device_get_sysfs_attr_as_boolean (dev, "dytc_lapmode"));
/* Test N/Y and trailing linefeeds */
g_assert_true (g_udev_device_get_sysfs_attr_as_boolean (dev, "console"));
console_path = g_build_filename (g_udev_device_get_sysfs_path (dev), "console", NULL);
sysfsfp = fopen (console_path, "w");
fprintf (sysfsfp, "%s\n", "N");
fclose (sysfsfp);
g_assert_false (g_udev_device_get_sysfs_attr_as_boolean_uncached (dev, "console"));
sysfsfp = fopen (console_path, "w");
fprintf (sysfsfp, "%s\n", "Y");
fclose (sysfsfp);
g_assert_true (g_udev_device_get_sysfs_attr_as_boolean_uncached (dev, "console"));
g_list_free_full (devices, g_object_unref);
}
int main(int argc, char **argv)
{
setlocale (LC_ALL, NULL);
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/gudev/uncached_sysfs_attr", test_uncached_sysfs_attr);
return g_test_run ();
}
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