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/*
* 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.
*
* The Original Code is Copyright (C) 2019 Blender Foundation.
* All rights reserved.
*/
#include "testing/testing.h"
#include <pxr/usd/usd/stage.h>
#include <string>
extern "C" {
#include "BLI_path_util.h"
#include "BLI_utildefines.h"
#include "BKE_appdir.h"
/* Workaround to make it possible to pass a path at runtime to USD. See creator.c. */
void usd_initialise_plugin_path(const char *datafiles_usd_path);
}
DEFINE_string(test_blender_executable_dir, "", "Blender's installation directory.");
class USDStageCreationTest : public testing::Test {
};
TEST_F(USDStageCreationTest, JSONFileLoadingTest)
{
std::string filename = "usd-stage-creation-test.usdc";
if (FLAGS_test_blender_executable_dir.empty()) {
FAIL() << "Pass the --test-blender-executable-dir flag";
}
/* Required on Linux to make BKE_appdir_folder_id() find the datafiles.
* Without going to this directory, Blender looks for the datafiles in
* .../bin/tests instead of .../bin */
const char *blender_executable_dir = FLAGS_test_blender_executable_dir.c_str();
if (chdir(blender_executable_dir) < 0) {
FAIL() << "unable to change directory to " << FLAGS_test_blender_executable_dir;
}
const char *usd_datafiles_relpath = BKE_appdir_folder_id(BLENDER_DATAFILES, "usd");
EXPECT_NE(usd_datafiles_relpath, nullptr) << "Unable to find datafiles/usd";
char usd_datafiles_abspath[FILE_MAX];
BLI_path_join(usd_datafiles_abspath,
sizeof(usd_datafiles_abspath),
blender_executable_dir,
usd_datafiles_relpath,
NULL);
usd_initialise_plugin_path(usd_datafiles_abspath);
/* Simply the ability to create a USD Stage for a specific filename means that the extension
* has been recognised by the USD library, and that a USD plugin has been loaded to write such
* files. Practically, this is a test to see whether the USD JSON files can be found and
* loaded. */
pxr::UsdStageRefPtr usd_stage = pxr::UsdStage::CreateNew(filename);
if (usd_stage != nullptr) {
/* Even though we don't call usd_stage->SaveFile(), a file is still created on the filesystem
* when we call CreateNew(). It's immediately closed, though, so we can safely call unlink()
* here. */
unlink(filename.c_str());
}
else {
FAIL() << "unable to find suitable USD plugin to write " << filename;
}
}
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