libfprint/tests/test-utils.c
Marco Trevisan (Treviño) b4c3756ab0 tests: Add fp-device basic unit tests
Use the virtual image device as base for now, while the new setup allows
to create easily fake device drivers without including the driver in
libfprint itself and test all the fpi_device functionalities.
2019-12-14 17:20:45 +01:00

127 lines
3.1 KiB
C

/*
* Unit tests for libfprint
* Copyright (C) 2019 Marco Trevisan <marco.trevisan@canonical.com>
*
* This library 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.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <libfprint/fprint.h>
#include <glib/gstdio.h>
#include "test-utils.h"
void
fpt_teardown_virtual_device_environment (void)
{
const char *path = g_getenv ("FP_VIRTUAL_IMAGE");
if (path)
{
g_autofree char *temp_dir = g_path_get_dirname (path);
g_unsetenv ("FP_VIRTUAL_IMAGE");
g_unlink (path);
g_rmdir (temp_dir);
}
}
static void
on_signal_event (int sig)
{
fpt_teardown_virtual_device_environment ();
}
void
fpt_setup_virtual_device_environment (void)
{
g_autoptr(GError) error = NULL;
g_autofree char *temp_dir = NULL;
g_autofree char *temp_path = NULL;
g_assert_null (g_getenv ("FP_VIRTUAL_IMAGE"));
temp_dir = g_dir_make_tmp ("libfprint-XXXXXX", &error);
g_assert_no_error (error);
temp_path = g_build_filename (temp_dir, "virtual-image.socket", NULL);
g_setenv ("FP_VIRTUAL_IMAGE", temp_path, TRUE);
signal (SIGKILL, on_signal_event);
signal (SIGABRT, on_signal_event);
signal (SIGSEGV, on_signal_event);
signal (SIGTERM, on_signal_event);
signal (SIGQUIT, on_signal_event);
signal (SIGPIPE, on_signal_event);
}
FptContext *
fpt_context_new (void)
{
FptContext *tctx;
tctx = g_new0 (FptContext, 1);
tctx->fp_context = fp_context_new ();
return tctx;
}
FptContext *
fpt_context_new_with_virtual_imgdev (void)
{
FptContext *tctx;
GPtrArray *devices;
unsigned int i;
fpt_setup_virtual_device_environment ();
tctx = fpt_context_new ();
devices = fp_context_get_devices (tctx->fp_context);
g_assert_nonnull (devices);
g_assert_cmpuint (devices->len, ==, 1);
for (i = 0; i < devices->len; ++i)
{
FpDevice *device = devices->pdata[i];
if (g_strcmp0 (fp_device_get_driver (device), "virtual_image") == 0)
{
tctx->device = device;
break;
}
}
g_assert_true (FP_IS_DEVICE (tctx->device));
g_object_add_weak_pointer (G_OBJECT (tctx->device), (gpointer) & tctx->device);
return tctx;
}
void
fpt_context_free (FptContext *tctx)
{
if (tctx->device && fp_device_is_open (tctx->device))
{
g_autoptr(GError) error = NULL;
fp_device_close_sync (tctx->device, NULL, &error);
g_assert_no_error (error);
}
g_clear_object (&tctx->fp_context);
g_free (tctx);
fpt_teardown_virtual_device_environment ();
}