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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) 2021 by Blender Foundation.
 */
#include "testing/testing.h"

#include "BKE_cryptomatte.hh"

namespace blender::bke::cryptomatte::tests {

TEST(cryptomatte, meta_data_key)
{
  ASSERT_EQ("cryptomatte/c7dbf5e/key",
            BKE_cryptomatte_meta_data_key("ViewLayer.CryptoMaterial", "key"));
  ASSERT_EQ("cryptomatte/b990b65/𝓴𝓮𝔂",
            BKE_cryptomatte_meta_data_key("𝖚𝖓𝖎𝖈𝖔𝖉𝖊.CryptoMaterial", "𝓴𝓮𝔂"));
}

TEST(cryptomatte, extract_layer_name)
{
  ASSERT_EQ("ViewLayer.CryptoMaterial",
            BKE_cryptomatte_extract_layer_name("ViewLayer.CryptoMaterial00"));
  ASSERT_EQ("𝖚𝖓𝖎𝖈𝖔𝖉𝖊", BKE_cryptomatte_extract_layer_name("𝖚𝖓𝖎𝖈𝖔𝖉𝖊13"));
  ASSERT_EQ("NoTrailingSampleNumber",
            BKE_cryptomatte_extract_layer_name("NoTrailingSampleNumber"));
  ASSERT_EQ("W1thM1dd13Numb3rs", BKE_cryptomatte_extract_layer_name("W1thM1dd13Numb3rs09"));
  ASSERT_EQ("", BKE_cryptomatte_extract_layer_name("0123"));
  ASSERT_EQ("", BKE_cryptomatte_extract_layer_name(""));
}

TEST(cryptomatte, cryptomatte_layer)
{
  blender::bke::cryptomatte::CryptomatteLayer layer;
  ASSERT_EQ("{}", layer.manifest());

  layer.add_hash("Object", 123);
  ASSERT_EQ("{\"Object\":\"0000007b\"}", layer.manifest());

  layer.add_hash("Object2", 123245678);
  ASSERT_EQ("{\"Object\":\"0000007b\",\"Object2\":\"0758946e\"}", layer.manifest());
}

TEST(cryptomatte, cryptomatte_layer_quoted)
{
  blender::bke::cryptomatte::CryptomatteLayer layer;
  layer.add_hash("\"Object\"", 123);
  ASSERT_EQ("{\"\\\"Object\\\"\":\"0000007b\"}", layer.manifest());
}

static void test_cryptomatte_manifest(std::string expected, std::string manifest)
{
  EXPECT_EQ(expected,
            blender::bke::cryptomatte::CryptomatteLayer::read_from_manifest(manifest)->manifest());
}

TEST(cryptomatte, cryptomatte_layer_from_manifest)
{
  test_cryptomatte_manifest("{}", "{}");
  test_cryptomatte_manifest("{\"Object\":\"12345678\"}", "{\"Object\": \"12345678\"}");
  test_cryptomatte_manifest("{\"Object\":\"12345678\",\"Object2\":\"87654321\"}",
                            "{\"Object\":\"12345678\",\"Object2\":\"87654321\"}");
  test_cryptomatte_manifest(
      "{\"Object\":\"12345678\",\"Object2\":\"87654321\"}",
      "  {  \"Object\"  :  \"12345678\"  ,  \"Object2\"  :  \"87654321\"  }  ");
  test_cryptomatte_manifest("{\"Object\\\"01\\\"\":\"12345678\"}",
                            "{\"Object\\\"01\\\"\": \"12345678\"}");
  test_cryptomatte_manifest(
      "{\"Object\\\"01\\\"\":\"12345678\",\"Object\":\"12345678\",\"Object2\":\"87654321\"}",
      "{\"Object\\\"01\\\"\":\"12345678\",\"Object\":\"12345678\", \"Object2\":\"87654321\"}");
}

}  // namespace blender::bke::cryptomatte::tests