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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2019 Blender Foundation. All rights reserved. */
#include "testing/testing.h"
#include <pxr/base/plug/registry.h>
#include <pxr/usd/usd/stage.h>
#include <string>
#include "BLI_path_util.h"
#include "BLI_utildefines.h"
#include "BKE_appdir.h"
namespace blender::io::usd {
class USDStageCreationTest : public testing::Test {
};
TEST_F(USDStageCreationTest, JSONFileLoadingTest)
{
const std::string &release_dir = blender::tests::flags_test_release_dir();
if (release_dir.empty()) {
FAIL();
}
char usd_datafiles_dir[FILE_MAX];
const size_t path_len = BLI_path_join(
usd_datafiles_dir, FILE_MAX, release_dir.c_str(), "datafiles", "usd", nullptr);
/* #BLI_path_join removes trailing slashes, but the USD library requires one in order to
* recognize the path as directory. */
BLI_assert(path_len + 1 < FILE_MAX);
usd_datafiles_dir[path_len] = '/';
usd_datafiles_dir[path_len + 1] = '\0';
pxr::PlugRegistry::GetInstance().RegisterPlugins(usd_datafiles_dir);
/* Simply the ability to create a USD Stage for a specific filename means that the extension
* has been recognized 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. */
std::string filename = "usd-stage-creation-test.usdc";
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
* file-system 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 << "; looked in "
<< usd_datafiles_dir;
}
}
} // namespace blender::io::usd
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