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test/source/blender/blenkernel/intern/main_test.cc

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9.9 KiB
C++

/* SPDX-FileCopyrightText: 2020 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#include "testing/testing.h"
#include "MEM_guardedalloc.h"
#include "CLG_log.h"
#include "BLI_listbase.h"
#include "BLI_string.h"
#include "BKE_collection.h"
#include "BKE_idtype.h"
#include "BKE_lib_id.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_main_namemap.hh"
#include "DNA_ID.h"
#include "DNA_collection_types.h"
#include "DNA_object_types.h"
namespace blender::bke::tests {
class BMainTest : public testing::Test {
public:
static void SetUpTestSuite()
{
CLG_init();
BKE_idtype_init();
}
static void TearDownTestSuite()
{
CLG_exit();
}
};
class BMainMergeTest : public BMainTest {
public:
void SetUp() override
{
bmain_src = BKE_main_new();
bmain_dst = BKE_main_new();
}
void TearDown() override
{
if (bmain_src) {
BKE_main_free(bmain_src);
}
if (bmain_dst) {
BKE_main_free(bmain_dst);
}
}
Main *bmain_src;
Main *bmain_dst;
};
TEST_F(BMainMergeTest, basics)
{
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_dst->libraries));
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_dst->collections));
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_dst->objects));
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_src->libraries));
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_src->collections));
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_src->objects));
BKE_id_new(bmain_dst, ID_GR, "Coll_dst");
Collection *coll = static_cast<Collection *>(BKE_id_new(bmain_src, ID_GR, "Coll_src"));
Object *ob = static_cast<Object *>(BKE_id_new(bmain_src, ID_OB, "Ob_src"));
BKE_collection_object_add(bmain_src, coll, ob);
EXPECT_EQ(1, BLI_listbase_count(&bmain_dst->collections));
EXPECT_EQ(0, BLI_listbase_count(&bmain_dst->objects));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->collections));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->objects));
BKE_main_merge(bmain_dst, &bmain_src, nullptr);
EXPECT_EQ(2, BLI_listbase_count(&bmain_dst->collections));
EXPECT_EQ(1, BLI_listbase_count(&bmain_dst->objects));
EXPECT_EQ(nullptr, bmain_src);
bmain_src = BKE_main_new();
Collection *coll_2 = static_cast<Collection *>(BKE_id_new(bmain_src, ID_GR, "Coll_src_2"));
Object *ob_2 = static_cast<Object *>(BKE_id_new(bmain_src, ID_OB, "Ob_src"));
BKE_collection_object_add(bmain_src, coll_2, ob_2);
EXPECT_EQ(2, BLI_listbase_count(&bmain_dst->collections));
EXPECT_EQ(1, BLI_listbase_count(&bmain_dst->objects));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->collections));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->objects));
BKE_main_merge(bmain_dst, &bmain_src, nullptr);
/* The second `Ob_src` object in `bmain_src` cannot be merged in `bmain_dst`, since its name
* would collide with the first object. */
EXPECT_EQ(3, BLI_listbase_count(&bmain_dst->collections));
EXPECT_EQ(1, BLI_listbase_count(&bmain_dst->objects));
EXPECT_EQ(nullptr, bmain_src);
/* `Coll_src_2` should have been remapped to using `Ob_src` in `bmain_dst`, instead of `Ob_src`
* in `bmain_src`. */
EXPECT_EQ(1, BLI_listbase_count(&coll_2->gobject));
EXPECT_EQ(ob, static_cast<CollectionObject *>(coll_2->gobject.first)->ob);
}
TEST_F(BMainMergeTest, linked_data)
{
constexpr char *DST_PATH = "/tmp/dst/dst.blend";
constexpr char *SRC_PATH = "/tmp/src/src.blend";
constexpr char *LIB_PATH = "/tmp/lib/lib.blend";
constexpr char *LIB_PATH_RELATIVE = "//lib/lib.blend";
constexpr char *LIB_PATH_RELATIVE_ABS_SRC = "/tmp/src/lib/lib.blend";
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_dst->libraries));
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_dst->collections));
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_dst->objects));
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_src->libraries));
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_src->collections));
EXPECT_TRUE(BLI_listbase_is_empty(&bmain_src->objects));
BLI_strncpy(bmain_dst->filepath, DST_PATH, sizeof(bmain_dst->filepath));
BLI_strncpy(bmain_src->filepath, SRC_PATH, sizeof(bmain_dst->filepath));
BKE_id_new(bmain_dst, ID_GR, "Coll_dst");
Collection *coll_1 = static_cast<Collection *>(BKE_id_new(bmain_src, ID_GR, "Coll_src"));
Object *ob_1 = static_cast<Object *>(BKE_id_new(bmain_src, ID_OB, "Ob_src"));
BKE_collection_object_add(bmain_src, coll_1, ob_1);
Library *lib_src_1 = static_cast<Library *>(BKE_id_new(bmain_src, ID_LI, LIB_PATH));
BKE_library_filepath_set(bmain_src, lib_src_1, LIB_PATH);
ob_1->id.lib = lib_src_1;
EXPECT_EQ(1, BLI_listbase_count(&bmain_dst->collections));
EXPECT_EQ(0, BLI_listbase_count(&bmain_dst->objects));
EXPECT_EQ(0, BLI_listbase_count(&bmain_dst->libraries));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->collections));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->objects));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->libraries));
BKE_main_merge(bmain_dst, &bmain_src, nullptr);
EXPECT_EQ(2, BLI_listbase_count(&bmain_dst->collections));
EXPECT_EQ(1, BLI_listbase_count(&bmain_dst->objects));
EXPECT_EQ(1, BLI_listbase_count(&bmain_dst->libraries));
EXPECT_EQ(ob_1, bmain_dst->objects.first);
EXPECT_EQ(lib_src_1, bmain_dst->libraries.first);
EXPECT_EQ(ob_1->id.lib, lib_src_1);
EXPECT_EQ(nullptr, bmain_src);
/* Try another merge, with the same library path - second library should be skipped, destination
* merge should still have only one library ID.*/
bmain_src = BKE_main_new();
BLI_strncpy(bmain_src->filepath, SRC_PATH, sizeof(bmain_dst->filepath));
Collection *coll_2 = static_cast<Collection *>(BKE_id_new(bmain_src, ID_GR, "Coll_src_2"));
Object *ob_2 = static_cast<Object *>(BKE_id_new(bmain_src, ID_OB, "Ob_src_2"));
BKE_collection_object_add(bmain_src, coll_2, ob_2);
Library *lib_src_2 = static_cast<Library *>(BKE_id_new(bmain_src, ID_LI, LIB_PATH));
BKE_library_filepath_set(bmain_src, lib_src_2, LIB_PATH);
std::cout << lib_src_1->filepath_abs << "\n";
std::cout << lib_src_2->filepath_abs << "\n";
ob_2->id.lib = lib_src_2;
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->collections));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->objects));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->libraries));
BKE_main_merge(bmain_dst, &bmain_src, nullptr);
EXPECT_EQ(3, BLI_listbase_count(&bmain_dst->collections));
EXPECT_EQ(2, BLI_listbase_count(&bmain_dst->objects));
EXPECT_EQ(1, BLI_listbase_count(&bmain_dst->libraries));
EXPECT_EQ(ob_1, bmain_dst->objects.first);
EXPECT_EQ(ob_2, bmain_dst->objects.last);
EXPECT_EQ(lib_src_1, bmain_dst->libraries.first);
EXPECT_EQ(ob_1->id.lib, lib_src_1);
EXPECT_EQ(ob_2->id.lib, lib_src_1);
EXPECT_EQ(nullptr, bmain_src);
/* Use a relative library path. Since this is a different library, even though the object re-use
* the same name, it should still be moved into `bmain_dst`. The library filepath should also be
* updated and become relative the the path of bmain_dst too. */
bmain_src = BKE_main_new();
BLI_strncpy(bmain_src->filepath, SRC_PATH, sizeof(bmain_dst->filepath));
Collection *coll_3 = static_cast<Collection *>(BKE_id_new(bmain_src, ID_GR, "Coll_src_3"));
Object *ob_3 = static_cast<Object *>(BKE_id_new(bmain_src, ID_OB, "Ob_src"));
BKE_collection_object_add(bmain_src, coll_3, ob_3);
Library *lib_src_3 = static_cast<Library *>(BKE_id_new(bmain_src, ID_LI, LIB_PATH_RELATIVE));
BKE_library_filepath_set(bmain_src, lib_src_3, LIB_PATH_RELATIVE);
ob_3->id.lib = lib_src_3;
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->collections));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->objects));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->libraries));
EXPECT_TRUE(STREQ(lib_src_3->filepath, LIB_PATH_RELATIVE));
EXPECT_TRUE(STREQ(lib_src_3->filepath_abs, LIB_PATH_RELATIVE_ABS_SRC));
BKE_main_merge(bmain_dst, &bmain_src, nullptr);
EXPECT_EQ(4, BLI_listbase_count(&bmain_dst->collections));
EXPECT_EQ(3, BLI_listbase_count(&bmain_dst->objects));
EXPECT_EQ(2, BLI_listbase_count(&bmain_dst->libraries));
EXPECT_EQ(ob_1, bmain_dst->objects.first);
EXPECT_EQ(ob_3, bmain_dst->objects.last);
EXPECT_EQ(lib_src_3, bmain_dst->libraries.first);
EXPECT_EQ(lib_src_1, bmain_dst->libraries.last);
EXPECT_EQ(ob_1->id.lib, lib_src_1);
EXPECT_EQ(ob_2->id.lib, lib_src_1);
EXPECT_EQ(ob_3->id.lib, lib_src_3);
EXPECT_FALSE(STREQ(lib_src_3->filepath, LIB_PATH_RELATIVE));
EXPECT_TRUE(STREQ(lib_src_3->filepath_abs, LIB_PATH_RELATIVE_ABS_SRC));
EXPECT_EQ(nullptr, bmain_src);
/* Try another merge, with the library path set to the path of the destination bmain. That source
* library should also be skipped, and the 'linked' object in source bmain should become a local
* object in destination bmain. */
bmain_src = BKE_main_new();
BLI_strncpy(bmain_src->filepath, SRC_PATH, sizeof(bmain_dst->filepath));
Collection *coll_4 = static_cast<Collection *>(BKE_id_new(bmain_src, ID_GR, "Coll_src_4"));
Object *ob_4 = static_cast<Object *>(BKE_id_new(bmain_src, ID_OB, "Ob_src_4"));
BKE_collection_object_add(bmain_src, coll_4, ob_4);
Library *lib_src_4 = static_cast<Library *>(BKE_id_new(bmain_src, ID_LI, DST_PATH));
BKE_library_filepath_set(bmain_src, lib_src_4, DST_PATH);
ob_4->id.lib = lib_src_4;
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->collections));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->objects));
EXPECT_EQ(1, BLI_listbase_count(&bmain_src->libraries));
BKE_main_merge(bmain_dst, &bmain_src, nullptr);
EXPECT_EQ(5, BLI_listbase_count(&bmain_dst->collections));
EXPECT_EQ(4, BLI_listbase_count(&bmain_dst->objects));
EXPECT_EQ(2, BLI_listbase_count(&bmain_dst->libraries));
EXPECT_EQ(ob_1, bmain_dst->objects.first);
/* `ob_4` is now local in `bmain_dst`, so should come before linked ones. */
EXPECT_EQ(ob_4, ob_1->id.prev);
EXPECT_EQ(lib_src_3, bmain_dst->libraries.first);
EXPECT_EQ(lib_src_1, bmain_dst->libraries.last);
EXPECT_EQ(ob_1->id.lib, lib_src_1);
EXPECT_EQ(ob_2->id.lib, lib_src_1);
EXPECT_EQ(ob_3->id.lib, lib_src_3);
EXPECT_EQ(ob_4->id.lib, nullptr);
EXPECT_EQ(nullptr, bmain_src);
}
} // namespace blender::bke::tests