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// Copyright 2018 Google Inc.
//
// 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
//
// http://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 "tink/binary_keyset_writer.h"
#include <memory>
#include <ostream>
#include <sstream>
#include <string>
#include <utility>
#include "gtest/gtest.h"
#include "tink/util/test_util.h"
#include "proto/tink.pb.h"
using crypto::tink::test::AddRawKey;
using crypto::tink::test::AddTinkKey;
using google::crypto::tink::EncryptedKeyset;
using google::crypto::tink::KeyData;
using google::crypto::tink::Keyset;
using google::crypto::tink::KeyStatusType;
namespace crypto {
namespace tink {
namespace {
class BinaryKeysetWriterTest : public ::testing::Test {
protected:
void SetUp() override {
Keyset::Key key;
AddTinkKey("some key type", 42, key, KeyStatusType::ENABLED,
KeyData::SYMMETRIC, &keyset_);
AddRawKey("some other key type", 711, key, KeyStatusType::ENABLED,
KeyData::SYMMETRIC, &keyset_);
keyset_.set_primary_key_id(42);
binary_keyset_ = keyset_.SerializeAsString();
encrypted_keyset_.set_encrypted_keyset("some ciphertext with keyset");
auto keyset_info = encrypted_keyset_.mutable_keyset_info();
keyset_info->set_primary_key_id(42);
auto key_info = keyset_info->add_key_info();
key_info->set_type_url("some type_url");
key_info->set_key_id(42);
binary_encrypted_keyset_ = encrypted_keyset_.SerializeAsString();
}
EncryptedKeyset encrypted_keyset_;
Keyset keyset_;
std::string binary_keyset_;
std::string binary_encrypted_keyset_;
};
TEST_F(BinaryKeysetWriterTest, testWriterCreation) {
{ // Input stream is null.
std::unique_ptr<std::ostream> null_stream(nullptr);
auto writer_result = BinaryKeysetWriter::New(std::move(null_stream));
EXPECT_FALSE(writer_result.ok());
EXPECT_EQ(absl::StatusCode::kInvalidArgument,
writer_result.status().code());
}
{ // Stream with good keyset.
std::unique_ptr<std::ostream> destination_stream(new std::stringstream());
auto writer_result = BinaryKeysetWriter::New(std::move(destination_stream));
EXPECT_TRUE(writer_result.ok()) << writer_result.status();
}
}
TEST_F(BinaryKeysetWriterTest, testWriteKeyset) {
std::stringbuf buffer;
std::unique_ptr<std::ostream> destination_stream(new std::ostream(&buffer));
auto writer_result = BinaryKeysetWriter::New(std::move(destination_stream));
ASSERT_TRUE(writer_result.ok()) << writer_result.status();
auto writer = std::move(writer_result.value());
auto status = writer->Write(keyset_);
EXPECT_TRUE(status.ok()) << status;
EXPECT_EQ(binary_keyset_, buffer.str());
}
TEST_F(BinaryKeysetWriterTest, testWriteEncryptedKeyset) {
std::stringbuf buffer;
std::unique_ptr<std::ostream> destination_stream(new std::ostream(&buffer));
auto writer_result = BinaryKeysetWriter::New(std::move(destination_stream));
ASSERT_TRUE(writer_result.ok()) << writer_result.status();
auto writer = std::move(writer_result.value());
auto status = writer->Write(encrypted_keyset_);
EXPECT_TRUE(status.ok()) << status;
EXPECT_EQ(binary_encrypted_keyset_, buffer.str());
}
TEST_F(BinaryKeysetWriterTest, testDestinationStreamErrors) {
std::stringbuf buffer;
std::unique_ptr<std::ostream> destination_stream(new std::ostream(&buffer));
destination_stream->setstate(std::ostream::badbit);
auto writer_result = BinaryKeysetWriter::New(std::move(destination_stream));
ASSERT_TRUE(writer_result.ok()) << writer_result.status();
auto writer = std::move(writer_result.value());
{ // Write keyset.
auto status = writer->Write(keyset_);
EXPECT_FALSE(status.ok()) << status;
EXPECT_EQ(absl::StatusCode::kUnknown, status.code());
}
{ // Write encrypted keyset.
auto status = writer->Write(encrypted_keyset_);
EXPECT_FALSE(status.ok()) << status;
EXPECT_EQ(absl::StatusCode::kUnknown, status.code());
}
}
} // namespace
} // namespace tink
} // namespace crypto
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