testing/manifest_store_test_utils.h

// Copyright 2026 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

// Utilities for creating and validating C2PA manifest stores in tests.
#ifndef THIRD_PARTY_CREDENTIO_TESTING_MANIFEST_STORE_TEST_UTILS_H_
#define THIRD_PARTY_CREDENTIO_TESTING_MANIFEST_STORE_TEST_UTILS_H_

#include <memory>
#include <optional>
#include <string>

#include "absl/status/statusor.h"
#include "absl/strings/string_view.h"
#include "absl/time/clock_interface.h"
#include "proto/generator_info.pb.h"
#include "proto/manifest.pb.h"
#include "proto/validation_result.pb.h"
#include "uuid/uuid.h"

namespace credentio {

struct SimpleManifestStoreOptions {
  // If omitted, default test claim generator info will be used.
  std::optional<GeneratorInfo> generator_info = std::nullopt;
  // Optional. If not provided, `absl::Clock::GetRealClock()` is used.
  absl::Clock* clock = nullptr;
  // Optional. If not provided, a default UuidGenerator will be used.
  const UuidGenerator* uuid_generator = &UuidGenerator::Default();
  // If true, timestamping is disabled.
  bool disable_timestamping = false;
};

// Creates a simple manifest store bytes for testing.
absl::StatusOr<std::string> CreateSimpleManifestStoreBytes(
    const SimpleManifestStoreOptions& options = {});

// Validates the given manifest store bytes by returning the partial validation
// result.
absl::StatusOr<std::unique_ptr<PartialValidationResultProto>>
ValidateManifestStore(absl::string_view manifest_store_bytes);

// Validates the claim in the given manifest store bytes and returns the claim.
absl::StatusOr<Claim> ValidateClaim(absl::string_view manifest_store_bytes);

}  // namespace credentio

#endif  // THIRD_PARTY_CREDENTIO_TESTING_MANIFEST_STORE_TEST_UTILS_H_