lib_id_remapper_test.cc

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/* SPDX-FileCopyrightText: 2022 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "testing/testing.h"
 
#include "BKE_idtype.hh"
#include "BKE_lib_remap.hh"
 
#include "BLI_string.h"
 
#include "DNA_ID.h"
 
using namespace blender::bke::id;
 
namespace blender::bke::id::tests {
 
TEST(lib_id_remapper, unavailable)
{
  BKE_idtype_init();
 
  ID id1;
  ID *idp = &id1;
 
  IDRemapper remapper;
  IDRemapperApplyResult result = remapper.apply(&idp, ID_REMAP_APPLY_DEFAULT);
  EXPECT_EQ(result, ID_REMAP_RESULT_SOURCE_UNAVAILABLE);
}
 
TEST(lib_id_remapper, not_mappable)
{
  BKE_idtype_init();
 
  ID *idp = nullptr;
 
  IDRemapper remapper;
  IDRemapperApplyResult result = remapper.apply(&idp, ID_REMAP_APPLY_DEFAULT);
  EXPECT_EQ(result, ID_REMAP_RESULT_SOURCE_NOT_MAPPABLE);
}
 
TEST(lib_id_remapper, mapped)
{
  BKE_idtype_init();
 
  ID id1;
  ID id2;
  ID *idp = &id1;
  STRNCPY(id1.name, "OB1");
  STRNCPY(id2.name, "OB2");
 
  IDRemapper remapper;
  remapper.add(&id1, &id2);
  IDRemapperApplyResult result = remapper.apply(&idp, ID_REMAP_APPLY_DEFAULT);
  EXPECT_EQ(result, ID_REMAP_RESULT_SOURCE_REMAPPED);
  EXPECT_EQ(idp, &id2);
}
 
TEST(lib_id_remapper, unassigned)
{
  BKE_idtype_init();
 
  ID id1;
  ID *idp = &id1;
  STRNCPY(id1.name, "OB2");
 
  IDRemapper remapper;
  remapper.add(&id1, nullptr);
  IDRemapperApplyResult result = remapper.apply(&idp, ID_REMAP_APPLY_DEFAULT);
  EXPECT_EQ(result, ID_REMAP_RESULT_SOURCE_UNASSIGNED);
  EXPECT_EQ(idp, nullptr);
}
 
TEST(lib_id_remapper, unassign_when_mapped_to_self)
{
  BKE_idtype_init();
 
  ID id_self;
  ID id1;
  ID id2;
  ID *idp;
 
  STRNCPY(id_self.name, "OBSelf");
  STRNCPY(id1.name, "OB1");
  STRNCPY(id2.name, "OB2");
 
  /* Default mapping behavior. Should just remap to id2. */
  idp = &id1;
  IDRemapper remapper;
  remapper.add(&id1, &id2);
  IDRemapperApplyResult result = remapper.apply(
      &idp, ID_REMAP_APPLY_UNMAP_WHEN_REMAPPING_TO_SELF, &id_self);
  EXPECT_EQ(result, ID_REMAP_RESULT_SOURCE_REMAPPED);
  EXPECT_EQ(idp, &id2);
 
  /* Default mapping behavior. Should unassign. */
  idp = &id1;
  remapper.clear();
  remapper.add(&id1, nullptr);
  result = remapper.apply(&idp, ID_REMAP_APPLY_UNMAP_WHEN_REMAPPING_TO_SELF, &id_self);
  EXPECT_EQ(result, ID_REMAP_RESULT_SOURCE_UNASSIGNED);
  EXPECT_EQ(idp, nullptr);
 
  /* Unmap when remapping to self behavior. Should unassign. */
  idp = &id1;
  remapper.clear();
  remapper.add(&id1, &id_self);
  result = remapper.apply(&idp, ID_REMAP_APPLY_UNMAP_WHEN_REMAPPING_TO_SELF, &id_self);
  EXPECT_EQ(result, ID_REMAP_RESULT_SOURCE_UNASSIGNED);
  EXPECT_EQ(idp, nullptr);
}
 
}  // namespace blender::bke::id::tests