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71 lines
2.1 KiB
71 lines
2.1 KiB
// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <sstream>
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#include <string>
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#include "gtest/gtest.h"
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#include "paddle/fluid/recordio/scanner.h"
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#include "paddle/fluid/recordio/writer.h"
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TEST(WriterScanner, Normal) {
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std::stringstream* stream = new std::stringstream();
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{
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paddle::recordio::Writer writer(stream,
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paddle::recordio::Compressor::kSnappy);
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writer.Write("ABC");
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writer.Write("BCD");
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writer.Write("CDE");
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writer.Flush();
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}
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{
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stream->seekg(0, std::ios::beg);
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std::unique_ptr<std::istream> stream_ptr(stream);
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paddle::recordio::Scanner scanner(std::move(stream_ptr));
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ASSERT_TRUE(scanner.HasNext());
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ASSERT_EQ(scanner.Next(), "ABC");
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ASSERT_EQ("BCD", scanner.Next());
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ASSERT_TRUE(scanner.HasNext());
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ASSERT_EQ("CDE", scanner.Next());
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ASSERT_FALSE(scanner.HasNext());
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}
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}
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TEST(WriterScanner, TinyChunk) {
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std::stringstream* stream = new std::stringstream();
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{
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paddle::recordio::Writer writer(
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stream, paddle::recordio::Compressor::kNoCompress, 2 /*max chunk num*/);
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writer.Write("ABC");
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writer.Write("BCD");
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writer.Write("CDE");
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writer.Write("DEFG");
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writer.Flush();
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}
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{
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stream->seekg(0, std::ios::beg);
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std::unique_ptr<std::istream> stream_ptr(stream);
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paddle::recordio::Scanner scanner(std::move(stream_ptr));
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ASSERT_TRUE(scanner.HasNext());
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ASSERT_EQ(scanner.Next(), "ABC");
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ASSERT_EQ(scanner.Next(), "BCD");
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ASSERT_EQ(scanner.Next(), "CDE");
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ASSERT_EQ(scanner.Next(), "DEFG");
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ASSERT_FALSE(scanner.HasNext());
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}
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}
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