chromium/third_party/anonymous_tokens/src/anonymous_tokens/cpp/client/anonymous_tokens_redemption_client_test.cc

// Copyright 2023 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.

#include "anonymous_tokens/cpp/client/anonymous_tokens_redemption_client.h"

#include <cstdint>
#include <memory>
#include <random>
#include <string>
#include <utility>
#include <vector>

#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "anonymous_tokens/cpp/testing/utils.h"
#include "anonymous_tokens/proto/anonymous_tokens.pb.h"

namespace anonymous_tokens {
namespace {

HasSubstr;

// Generates a random string of size n.
std::string GetRandomString(int n, std::uniform_int_distribution<int>* distr_u8,
                            std::mt19937_64* generator) { … }

// Saves redemption related public metadata and result for testing purposes for
// one token.
struct RedemptionInfoAndResult { … };

// Takes as input AnonymousTokensRedemptionResponse and uses that to create a
// map of token to their respective RedemptionResult for testing purposes.
absl::flat_hash_map<std::string, RedemptionInfoAndResult>
CreateTokenToRedemptionResultMap(
    const AnonymousTokensRedemptionResponse& response) { … }

class AnonymousTokensRedemptionClientTest : public testing::Test { … };

TEST_F(AnonymousTokensRedemptionClientTest, UndefinedUseCase) { … }

TEST_F(AnonymousTokensRedemptionClientTest, InvalidKeyVersions) { … }

TEST_F(AnonymousTokensRedemptionClientTest, EmptyRequest) { … }

TEST_F(AnonymousTokensRedemptionClientTest, CreatingRequestAgain) { … }

TEST_F(AnonymousTokensRedemptionClientTest, MissingTokenInRequest) { … }

TEST_F(AnonymousTokensRedemptionClientTest, WrongMaskSize) { … }

TEST_F(AnonymousTokensRedemptionClientTest, RepeatedTokenInRequest) { … }

TEST_F(AnonymousTokensRedemptionClientTest, ProcessBeforeRequestCreation) { … }

TEST_F(AnonymousTokensRedemptionClientTest, EmptyResponseProcessing) { … }

TEST_F(AnonymousTokensRedemptionClientTest, WrongSizeOfResponse) { … }

TEST_F(AnonymousTokensRedemptionClientTest, UseCaseMismatch) { … }

TEST_F(AnonymousTokensRedemptionClientTest, KeyVersionMismatch) { … }

TEST_F(AnonymousTokensRedemptionClientTest, EmptyTokenInResponse) { … }

TEST_F(AnonymousTokensRedemptionClientTest, MissingMaskInResponse) { … }

TEST_F(AnonymousTokensRedemptionClientTest, WrongMaskSizeInResponse) { … }

TEST_F(AnonymousTokensRedemptionClientTest, RepeatedTokenInResponse) { … }

TEST_F(AnonymousTokensRedemptionClientTest, NewTokenInResponse) { … }

TEST_F(AnonymousTokensRedemptionClientTest, PublicMetadataMismatch) { … }

TEST_F(AnonymousTokensRedemptionClientTest, PlaintextMessageMismatch) { … }

TEST_F(AnonymousTokensRedemptionClientTest, MessageMaskMismatch) { … }

TEST_F(AnonymousTokensRedemptionClientTest,
       SuccessfulResponseProcessingWithOneToken) { … }

TEST_F(AnonymousTokensRedemptionClientTest,
       SuccessfulResponseProcessingWithMultipleToken) { … }

}  // namespace
}  // namespace anonymous_tokens