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Diffstat (limited to 'tests/test-sysfsattr.c')
| -rw-r--r-- | tests/test-sysfsattr.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/tests/test-sysfsattr.c b/tests/test-sysfsattr.c new file mode 100644 index 0000000..b8b2ec1 --- /dev/null +++ b/tests/test-sysfsattr.c @@ -0,0 +1,80 @@ +/* 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", "0", 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; + 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_false (g_udev_device_get_sysfs_attr_as_boolean (dev, "dytc_lapmode")); + sysfsfp = fopen (lapmode_path, "w"); + fprintf (sysfsfp, "%s", "1"); + fclose (sysfsfp); + /* This is cached */ + g_assert_false (g_udev_device_get_sysfs_attr_as_boolean (dev, "dytc_lapmode")); + /* This is uncached, and updates the cache */ + g_assert_true (g_udev_device_get_sysfs_attr_as_boolean_uncached (dev, "dytc_lapmode")); + g_assert_true (g_udev_device_get_sysfs_attr_as_boolean (dev, "dytc_lapmode")); + + 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 (); +} |