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/*
* Copyright 2019 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
*
* 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 "util/process_record_file_util.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <filesystem>
#include <string>
#include "absl/strings/str_cat.h"
#include "absl/strings/string_view.h"
#include "util/process_record_file_parameters.h"
#include "util/proto/test.pb.h"
#include "util/proto_util.h"
#include "util/status_testing.inc"
namespace private_join_and_compute::util::process_file_util {
namespace {
using proto::test::IntValueProto;
using proto::test::StringValueProto;
auto record_transformer = [](IntValueProto proto) {
StringValueProto result;
result.set_prefix(proto.prefix());
result.set_value(std::to_string(proto.value()).append("_bla"));
return result;
};
void writeValues(absl::string_view input_file) {
IntValueProto v1;
v1.set_prefix(1);
v1.set_value(9);
IntValueProto v2;
v2.set_prefix(2);
v2.set_value(4);
IntValueProto v3;
v3.set_prefix(3);
v3.set_value(7);
auto writer = std::unique_ptr<RecordWriter>(RecordWriter::Get());
ASSERT_OK(writer->Open(input_file));
ASSERT_OK(writer->Write(ProtoUtils::ToString(v2)));
ASSERT_OK(writer->Write(ProtoUtils::ToString(v1)));
ASSERT_OK(writer->Write(ProtoUtils::ToString(v3)));
ASSERT_OK(writer->Close());
}
TEST(ProcessRecordFileTest, FileDoesNotExist) {
ProcessRecordFileParameters params;
std::filesystem::path temp_dir(::testing::TempDir());
std::string input_file = (temp_dir / "input_1.proto").string();
std::string output_file = (temp_dir / "output_1.proto").string();
auto status =
process_file_util::ProcessRecordFile<IntValueProto, StringValueProto>(
record_transformer, params, input_file, output_file);
EXPECT_FALSE(status.ok());
EXPECT_EQ(status.code(), absl::StatusCode::kNotFound);
}
TEST(ProcessRecordFileTest, TestProcessesFile) {
ProcessRecordFileParameters params;
params.data_chunk_size = 2;
params.thread_count = 2;
std::filesystem::path temp_dir(::testing::TempDir());
std::string input_file = (temp_dir / "input_2.proto").string();
std::string output_file = (temp_dir / "output_2.proto").string();
writeValues(input_file);
auto status =
process_file_util::ProcessRecordFile<IntValueProto, StringValueProto>(
record_transformer, params, input_file, output_file);
ASSERT_OK(status);
ASSERT_TRUE(std::filesystem::exists(output_file));
// Check intermediate file was deleted.
ASSERT_FALSE(std::filesystem::exists(output_file + "0"));
auto reader = std::unique_ptr<RecordReader>(RecordReader::GetRecordReader());
ASSERT_OK(reader->Open(output_file));
StringValueProto s1;
s1.set_prefix(1);
s1.set_value("9_bla");
StringValueProto s2;
s2.set_prefix(2);
s2.set_value("4_bla");
StringValueProto s3;
s3.set_prefix(3);
s3.set_value("7_bla");
std::vector<std::string> expected_result{ProtoUtils::ToString(s1),
ProtoUtils::ToString(s2),
ProtoUtils::ToString(s3)};
std::vector<std::string> actual_result;
while (reader->HasMore().value()) {
std::string raw_record;
ASSERT_OK(reader->Read(&raw_record));
actual_result.push_back(raw_record);
}
EXPECT_OK(reader->Close());
ASSERT_EQ(expected_result, actual_result);
// Remove all files.
std::filesystem::remove(input_file);
std::filesystem::remove(output_file);
}
TEST(ProcessRecordFileTest, TestCustomSortKey) {
ProcessRecordFileParameters params;
params.data_chunk_size = 1;
params.thread_count = 1;
std::filesystem::path temp_dir(::testing::TempDir());
std::string input_file = (temp_dir / "input_3.proto").string();
std::string output_file = (temp_dir / "output_3.proto").string();
writeValues(input_file);
auto get_sorting_key_function = [](absl::string_view raw_record) {
return ProtoUtils::FromString<StringValueProto>(raw_record).value();
};
auto status =
process_file_util::ProcessRecordFile<IntValueProto, StringValueProto>(
record_transformer, params, input_file, output_file,
get_sorting_key_function);
ASSERT_OK(status);
ASSERT_TRUE(std::filesystem::exists(output_file));
StringValueProto s1;
s1.set_prefix(1);
s1.set_value("9_bla");
StringValueProto s2;
s2.set_prefix(2);
s2.set_value("4_bla");
StringValueProto s3;
s3.set_prefix(3);
s3.set_value("7_bla");
std::vector<std::string> expected_result{ProtoUtils::ToString(s2),
ProtoUtils::ToString(s3),
ProtoUtils::ToString(s1)};
auto reader = std::unique_ptr<RecordReader>(RecordReader::GetRecordReader());
ASSERT_OK(reader->Open(output_file));
std::vector<std::string> actual_result;
while (reader->HasMore().value()) {
std::string raw_record;
ASSERT_OK(reader->Read(&raw_record));
actual_result.push_back(raw_record);
}
EXPECT_OK(reader->Close());
ASSERT_EQ(expected_result, actual_result);
// Remove all files.
std::filesystem::remove(input_file);
std::filesystem::remove(output_file);
}
} // namespace
} // namespace private_join_and_compute::util::process_file_util
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