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test2/source/blender/blenkernel/intern/lib_remap_test.cc
Campbell Barton e955c94ed3 License Headers: Set copyright to "Blender Authors", add AUTHORS 
Listing the "Blender Foundation" as copyright holder implied the Blender
Foundation holds copyright to files which may include work from many
developers.

While keeping copyright on headers makes sense for isolated libraries,
Blender's own code may be refactored or moved between files in a way
that makes the per file copyright holders less meaningful.

Copyright references to the "Blender Foundation" have been replaced with
"Blender Authors", with the exception of `./extern/` since these this
contains libraries which are more isolated, any changed to license
headers there can be handled on a case-by-case basis.

Some directories in `./intern/` have also been excluded:

- `./intern/cycles/` it's own `AUTHORS` file is planned.
- `./intern/opensubdiv/`.

An "AUTHORS" file has been added, using the chromium projects authors
file as a template.

Design task: #110784

Ref !110783.
2023-08-16 00:20:26 +10:00

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/* SPDX-FileCopyrightText: 2022 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#include "testing/testing.h"
#include "BLI_utildefines.h"
#include "CLG_log.h"
#include "DNA_mesh_types.h"
#include "DNA_node_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "RNA_define.hh"
#include "BKE_appdir.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_idtype.h"
#include "BKE_lib_id.h"
#include "BKE_lib_remap.h"
#include "BKE_main.h"
#include "BKE_mesh.hh"
#include "BKE_node.hh"
#include "BKE_object.h"
#include "BKE_scene.h"
#include "IMB_imbuf.h"
#include "ED_node.hh"
#include "MEM_guardedalloc.h"
namespace blender::bke::tests {
class TestData {
public:
Main *bmain = nullptr;
bContext *C = nullptr;
virtual void setup()
{
if (bmain == nullptr) {
bmain = BKE_main_new();
G.main = bmain;
}
if (C == nullptr) {
C = CTX_create();
CTX_data_main_set(C, bmain);
}
}
virtual void teardown()
{
if (bmain != nullptr) {
BKE_main_free(bmain);
bmain = nullptr;
G.main = nullptr;
}
if (C != nullptr) {
CTX_free(C);
C = nullptr;
}
}
};
class SceneTestData : public TestData {
public:
Scene *scene = nullptr;
void setup() override
{
TestData::setup();
scene = BKE_scene_add(bmain, "IDRemapScene");
CTX_data_scene_set(C, scene);
}
};
class CompositorTestData : public SceneTestData {
public:
bNodeTree *compositor_nodetree = nullptr;
void setup() override
{
SceneTestData::setup();
ED_node_composit_default(C, scene);
compositor_nodetree = scene->nodetree;
}
};
class MeshTestData : public TestData {
public:
Mesh *mesh = nullptr;
void setup() override
{
TestData::setup();
mesh = BKE_mesh_add(bmain, nullptr);
}
};
class TwoMeshesTestData : public MeshTestData {
public:
Mesh *other_mesh = nullptr;
void setup() override
{
MeshTestData::setup();
other_mesh = BKE_mesh_add(bmain, nullptr);
}
};
class MeshObjectTestData : public MeshTestData {
public:
Object *object;
void setup() override
{
MeshTestData::setup();
object = BKE_object_add_only_object(bmain, OB_MESH, nullptr);
object->data = mesh;
}
};
template<typename TestData> class Context {
public:
TestData test_data;
Context()
{
CLG_init();
BKE_idtype_init();
RNA_init();
BKE_node_system_init();
BKE_appdir_init();
IMB_init();
test_data.setup();
}
~Context()
{
test_data.teardown();
BKE_node_system_exit();
RNA_exit();
IMB_exit();
BKE_appdir_exit();
CLG_exit();
}
};
/* -------------------------------------------------------------------- */
/** \name Embedded IDs
* \{ */
TEST(lib_remap, embedded_ids_can_not_be_remapped)
{
Context<CompositorTestData> context;
bNodeTree *other_tree = static_cast<bNodeTree *>(BKE_id_new_nomain(ID_NT, nullptr));
EXPECT_NE(context.test_data.scene, nullptr);
EXPECT_NE(context.test_data.compositor_nodetree, nullptr);
EXPECT_EQ(context.test_data.compositor_nodetree, context.test_data.scene->nodetree);
BKE_libblock_remap(
context.test_data.bmain, context.test_data.compositor_nodetree, other_tree, 0);
EXPECT_EQ(context.test_data.compositor_nodetree, context.test_data.scene->nodetree);
EXPECT_NE(context.test_data.scene->nodetree, other_tree);
BKE_id_free(nullptr, other_tree);
}
TEST(lib_remap, embedded_ids_can_not_be_deleted)
{
Context<CompositorTestData> context;
EXPECT_NE(context.test_data.scene, nullptr);
EXPECT_NE(context.test_data.compositor_nodetree, nullptr);
EXPECT_EQ(context.test_data.compositor_nodetree, context.test_data.scene->nodetree);
BKE_libblock_remap(context.test_data.bmain,
context.test_data.compositor_nodetree,
nullptr,
ID_REMAP_SKIP_NEVER_NULL_USAGE);
EXPECT_EQ(context.test_data.compositor_nodetree, context.test_data.scene->nodetree);
EXPECT_NE(context.test_data.scene->nodetree, nullptr);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Remap to self
* \{ */
TEST(lib_remap, delete_when_remap_to_self_not_allowed)
{
Context<TwoMeshesTestData> context;
EXPECT_NE(context.test_data.mesh, nullptr);
EXPECT_NE(context.test_data.other_mesh, nullptr);
context.test_data.mesh->texcomesh = context.test_data.other_mesh;
BKE_libblock_remap(
context.test_data.bmain, context.test_data.other_mesh, context.test_data.mesh, 0);
EXPECT_EQ(context.test_data.mesh->texcomesh, nullptr);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name User Reference Counting
* \{ */
TEST(lib_remap, users_are_decreased_when_not_skipping_never_null)
{
Context<MeshObjectTestData> context;
EXPECT_NE(context.test_data.object, nullptr);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, 0);
EXPECT_EQ(context.test_data.mesh->id.us, 1);
/* This is an invalid situation, test case tests this in between value until we have a better
* solution. */
BKE_libblock_remap(context.test_data.bmain, context.test_data.mesh, nullptr, 0);
EXPECT_EQ(context.test_data.mesh->id.us, 0);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
EXPECT_NE(context.test_data.object->data, nullptr);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, 0);
}
TEST(lib_remap, users_are_same_when_skipping_never_null)
{
Context<MeshObjectTestData> context;
EXPECT_NE(context.test_data.object, nullptr);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, 0);
EXPECT_EQ(context.test_data.mesh->id.us, 1);
BKE_libblock_remap(
context.test_data.bmain, context.test_data.mesh, nullptr, ID_REMAP_SKIP_NEVER_NULL_USAGE);
EXPECT_EQ(context.test_data.mesh->id.us, 1);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
EXPECT_NE(context.test_data.object->data, nullptr);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, 0);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Never Null
* \{ */
TEST(lib_remap, do_not_delete_when_cannot_unset)
{
Context<MeshObjectTestData> context;
EXPECT_NE(context.test_data.object, nullptr);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
BKE_libblock_remap(
context.test_data.bmain, context.test_data.mesh, nullptr, ID_REMAP_SKIP_NEVER_NULL_USAGE);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
EXPECT_NE(context.test_data.object->data, nullptr);
}
TEST(lib_remap, force_never_null_usage)
{
Context<MeshObjectTestData> context;
EXPECT_NE(context.test_data.object, nullptr);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
BKE_libblock_remap(
context.test_data.bmain, context.test_data.mesh, nullptr, ID_REMAP_FORCE_NEVER_NULL_USAGE);
EXPECT_EQ(context.test_data.object->data, nullptr);
}
TEST(lib_remap, never_null_usage_flag_not_requested_on_delete)
{
Context<MeshObjectTestData> context;
EXPECT_NE(context.test_data.object, nullptr);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, 0);
/* Never null usage isn't requested so the flag should not be set. */
BKE_libblock_remap(
context.test_data.bmain, context.test_data.mesh, nullptr, ID_REMAP_SKIP_NEVER_NULL_USAGE);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
EXPECT_NE(context.test_data.object->data, nullptr);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, 0);
}
TEST(lib_remap, never_null_usage_flag_requested_on_delete)
{
Context<MeshObjectTestData> context;
EXPECT_NE(context.test_data.object, nullptr);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, 0);
/* Never null usage is requested so the flag should be set. */
BKE_libblock_remap(context.test_data.bmain,
context.test_data.mesh,
nullptr,
ID_REMAP_SKIP_NEVER_NULL_USAGE | ID_REMAP_FLAG_NEVER_NULL_USAGE);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
EXPECT_NE(context.test_data.object->data, nullptr);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, LIB_TAG_DOIT);
}
TEST(lib_remap, never_null_usage_flag_not_requested_on_remap)
{
Context<MeshObjectTestData> context;
Mesh *other_mesh = BKE_mesh_add(context.test_data.bmain, nullptr);
EXPECT_NE(context.test_data.object, nullptr);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, 0);
/* Never null usage isn't requested so the flag should not be set. */
BKE_libblock_remap(
context.test_data.bmain, context.test_data.mesh, other_mesh, ID_REMAP_SKIP_NEVER_NULL_USAGE);
EXPECT_EQ(context.test_data.object->data, other_mesh);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, 0);
}
TEST(lib_remap, never_null_usage_flag_requested_on_remap)
{
Context<MeshObjectTestData> context;
Mesh *other_mesh = BKE_mesh_add(context.test_data.bmain, nullptr);
EXPECT_NE(context.test_data.object, nullptr);
EXPECT_EQ(context.test_data.object->data, context.test_data.mesh);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, 0);
/* Never null usage is requested so the flag should be set. */
BKE_libblock_remap(context.test_data.bmain,
context.test_data.mesh,
other_mesh,
ID_REMAP_SKIP_NEVER_NULL_USAGE | ID_REMAP_FLAG_NEVER_NULL_USAGE);
EXPECT_EQ(context.test_data.object->data, other_mesh);
EXPECT_EQ(context.test_data.object->id.tag & LIB_TAG_DOIT, LIB_TAG_DOIT);
}
/** \} */
} // namespace blender::bke::tests
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