115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/utils/buffer.h"
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#include "td/utils/ByteFlow.h"
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#include "td/utils/Gzip.h"
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#include "td/utils/GzipByteFlow.h"
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#include "td/utils/logging.h"
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#include "td/utils/Status.h"
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#include "td/utils/tests.h"
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static void encode_decode(td::string s) {
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auto r = td::gzencode(s, 2);
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ASSERT_TRUE(!r.empty());
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if (r.empty()) {
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return;
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}
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auto new_s = td::gzdecode(r.as_slice());
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ASSERT_TRUE(!new_s.empty());
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if (new_s.empty()) {
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return;
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}
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ASSERT_EQ(s, new_s.as_slice().str());
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}
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TEST(Gzip, gzencode_gzdecode) {
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auto str = td::rand_string(0, 127, 1000);
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encode_decode(str);
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str = td::rand_string('a', 'z', 1000000);
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encode_decode(str);
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str = td::string(1000000, 'a');
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encode_decode(str);
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}
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TEST(Gzip, flow) {
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auto str = td::rand_string('a', 'z', 1000000);
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auto parts = td::rand_split(str);
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td::ChainBufferWriter input_writer;
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auto input = input_writer.extract_reader();
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td::ByteFlowSource source(&input);
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td::GzipByteFlow gzip_flow(td::Gzip::Mode::Encode);
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gzip_flow = td::GzipByteFlow(td::Gzip::Mode::Encode);
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td::ByteFlowSink sink;
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source >> gzip_flow >> sink;
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ASSERT_TRUE(!sink.is_ready());
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for (auto &part : parts) {
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input_writer.append(part);
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source.wakeup();
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}
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ASSERT_TRUE(!sink.is_ready());
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source.close_input(td::Status::OK());
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ASSERT_TRUE(sink.is_ready());
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ASSERT_TRUE(sink.status().is_ok());
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auto res = sink.result()->move_as_buffer_slice().as_slice().str();
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ASSERT_TRUE(!res.empty());
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ASSERT_EQ(td::gzencode(str, 2).as_slice().str(), res);
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}
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TEST(Gzip, flow_error) {
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auto str = td::rand_string('a', 'z', 1000000);
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auto zip = td::gzencode(str, 0.9).as_slice().str();
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ASSERT_TRUE(!zip.empty());
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zip.resize(zip.size() - 1);
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auto parts = td::rand_split(zip);
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auto input_writer = td::ChainBufferWriter();
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auto input = input_writer.extract_reader();
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td::ByteFlowSource source(&input);
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td::GzipByteFlow gzip_flow(td::Gzip::Mode::Decode);
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td::ByteFlowSink sink;
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source >> gzip_flow >> sink;
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ASSERT_TRUE(!sink.is_ready());
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for (auto &part : parts) {
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input_writer.append(part);
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source.wakeup();
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}
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ASSERT_TRUE(!sink.is_ready());
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source.close_input(td::Status::OK());
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ASSERT_TRUE(sink.is_ready());
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ASSERT_TRUE(!sink.status().is_ok());
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}
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TEST(Gzip, encode_decode_flow) {
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auto str = td::rand_string('a', 'z', 1000000);
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auto parts = td::rand_split(str);
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td::ChainBufferWriter input_writer;
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auto input = input_writer.extract_reader();
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td::ByteFlowSource source(&input);
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td::GzipByteFlow gzip_encode_flow(td::Gzip::Mode::Encode);
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td::GzipByteFlow gzip_decode_flow(td::Gzip::Mode::Decode);
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td::GzipByteFlow gzip_encode_flow2(td::Gzip::Mode::Encode);
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td::GzipByteFlow gzip_decode_flow2(td::Gzip::Mode::Decode);
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td::ByteFlowSink sink;
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source >> gzip_encode_flow >> gzip_decode_flow >> gzip_encode_flow2 >> gzip_decode_flow2 >> sink;
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ASSERT_TRUE(!sink.is_ready());
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for (auto &part : parts) {
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input_writer.append(part);
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source.wakeup();
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}
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ASSERT_TRUE(!sink.is_ready());
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source.close_input(td::Status::OK());
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ASSERT_TRUE(sink.is_ready());
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LOG_IF(ERROR, sink.status().is_error()) << sink.status();
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ASSERT_TRUE(sink.status().is_ok());
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ASSERT_EQ(str, sink.result()->move_as_buffer_slice().as_slice().str());
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}
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