transmission/tests/libtransmission/makemeta-test.cc

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/*
* This file Copyright (C) 2013-2014 Mnemosyne LLC
*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
*
*/
#include "transmission.h"
#include "crypto-utils.h"
#include "file.h"
#include "makemeta.h"
#include "utils.h" // tr_free()
#include "test-fixtures.h"
#include <array>
#include <cstdlib> // mktemp()
#include <cstring> // strlen()
#include <string>
namespace libtransmission
{
namespace test
{
class MakemetaTest : public SandboxedTest
{
protected:
void testSingleFileImpl(
tr_tracker_info const* trackers,
int const trackerCount,
void const* payload,
size_t const payloadSize,
char const* comment,
bool isPrivate)
{
// char* sandbox;
tr_info inf;
// create a single input file
auto input_file = makeString(tr_buildPath(sandboxDir().data(), "test.XXXXXX", nullptr));
createTmpfileWithContents(input_file, payload, payloadSize);
tr_sys_path_native_separators(&input_file.front());
auto* builder = tr_metaInfoBuilderCreate(input_file.c_str());
EXPECT_EQ(tr_file_index_t{ 1 }, builder->fileCount);
EXPECT_STREQ(input_file.c_str(), builder->top);
EXPECT_STREQ(input_file.c_str(), builder->files[0].filename);
EXPECT_EQ(payloadSize, builder->files[0].size);
EXPECT_EQ(payloadSize, builder->totalSize);
EXPECT_FALSE(builder->isFolder);
EXPECT_FALSE(builder->abortFlag);
// have tr_makeMetaInfo() build the .torrent file
auto* torrent_file = tr_strdup_printf("%s.torrent", input_file.data());
tr_makeMetaInfo(builder, torrent_file, trackers, trackerCount, comment, isPrivate);
EXPECT_EQ(isPrivate, builder->isPrivate);
EXPECT_STREQ(torrent_file, builder->outputFile);
EXPECT_STREQ(comment, builder->comment);
EXPECT_EQ(trackerCount, builder->trackerCount);
while (!builder->isDone)
{
tr_wait_msec(100);
}
// now let's check our work: parse the .torrent file
auto* ctor = tr_ctorNew(nullptr);
sync();
tr_ctorSetMetainfoFromFile(ctor, torrent_file);
auto const parse_result = tr_torrentParse(ctor, &inf);
EXPECT_EQ(TR_PARSE_OK, parse_result);
// quick check of some of the parsed metainfo
EXPECT_EQ(payloadSize, inf.totalSize);
EXPECT_EQ(makeString(tr_sys_path_basename(input_file.data(), nullptr)), inf.name);
EXPECT_STREQ(comment, inf.comment);
EXPECT_EQ(tr_file_index_t{ 1 }, inf.fileCount);
EXPECT_EQ(isPrivate, inf.isPrivate);
EXPECT_FALSE(inf.isFolder);
EXPECT_EQ(trackerCount, inf.trackerCount);
// cleanup
tr_free(torrent_file);
tr_ctorFree(ctor);
tr_metainfoFree(&inf);
tr_metaInfoBuilderFree(builder);
}
void testSingleDirectoryImpl(
tr_tracker_info const* trackers,
int const tracker_count,
void const** payloads,
size_t const* payload_sizes,
size_t const payload_count,
char const* comment,
bool const is_private)
{
// create the top temp directory
auto* top = tr_buildPath(sandboxDir().data(), "folder.XXXXXX", nullptr);
tr_sys_path_native_separators(top);
tr_sys_dir_create_temp(top, nullptr);
// build the payload files that go into the top temp directory
auto files = std::vector<std::string>{};
files.reserve(payload_count);
size_t total_size = 0;
for (size_t i = 0; i < payload_count; i++)
{
auto tmpl = std::array<char, 16>{};
tr_snprintf(tmpl.data(), tmpl.size(), "file.%04zu%s", i, "XXXXXX");
auto path = makeString(tr_buildPath(top, tmpl.data(), nullptr));
createTmpfileWithContents(path, payloads[i], payload_sizes[i]);
tr_sys_path_native_separators(&path.front());
files.push_back(path);
total_size += payload_sizes[i];
}
sync();
// init the builder
auto* builder = tr_metaInfoBuilderCreate(top);
EXPECT_FALSE(builder->abortFlag);
EXPECT_STREQ(top, builder->top);
EXPECT_EQ(payload_count, builder->fileCount);
EXPECT_EQ(total_size, builder->totalSize);
EXPECT_TRUE(builder->isFolder);
for (size_t i = 0; i < builder->fileCount; ++i)
{
EXPECT_EQ(files[i], builder->files[i].filename);
EXPECT_EQ(payload_sizes[i], builder->files[i].size);
}
// build the .torrent file
auto* torrent_file = tr_strdup_printf("%s.torrent", top);
tr_makeMetaInfo(builder, torrent_file, trackers, tracker_count, comment, is_private);
EXPECT_EQ(is_private, builder->isPrivate);
EXPECT_STREQ(torrent_file, builder->outputFile);
EXPECT_STREQ(comment, builder->comment);
EXPECT_EQ(tracker_count, builder->trackerCount);
auto test = [&builder]()
{
return builder->isDone;
};
EXPECT_TRUE(waitFor(test, 5000));
sync();
// now let's check our work: parse the .torrent file
auto* ctor = tr_ctorNew(nullptr);
tr_ctorSetMetainfoFromFile(ctor, torrent_file);
tr_info inf;
auto parse_result = tr_torrentParse(ctor, &inf);
EXPECT_EQ(TR_PARSE_OK, parse_result);
// quick check of some of the parsed metainfo
EXPECT_EQ(total_size, inf.totalSize);
auto* tmpstr = tr_sys_path_basename(top, nullptr);
EXPECT_STREQ(tmpstr, inf.name);
tr_free(tmpstr);
EXPECT_STREQ(comment, inf.comment);
EXPECT_EQ(payload_count, inf.fileCount);
EXPECT_EQ(is_private, inf.isPrivate);
EXPECT_EQ(builder->isFolder, inf.isFolder);
EXPECT_EQ(tracker_count, inf.trackerCount);
// cleanup
tr_free(torrent_file);
tr_ctorFree(ctor);
tr_metainfoFree(&inf);
tr_metaInfoBuilderFree(builder);
tr_free(top);
}
void testSingleDirectoryRandomPayloadImpl(
tr_tracker_info const* trackers,
int const tracker_count,
size_t const max_file_count,
size_t const max_file_size,
char const* comment,
bool const is_private)
{
// build random payloads
size_t payload_count = 1 + tr_rand_int_weak(max_file_count);
void** payloads = tr_new0(void*, payload_count);
size_t* payload_sizes = tr_new0(size_t, payload_count);
for (size_t i = 0; i < payload_count; i++)
{
size_t const n = 1 + tr_rand_int_weak(max_file_size);
payloads[i] = tr_new(char, n);
tr_rand_buffer(payloads[i], n);
payload_sizes[i] = n;
}
// run the test
testSingleDirectoryImpl(
trackers,
tracker_count,
const_cast<void const**>(payloads),
payload_sizes,
payload_count,
comment,
is_private);
// cleanup
for (size_t i = 0; i < payload_count; i++)
{
tr_free(payloads[i]);
}
tr_free(payloads);
tr_free(payload_sizes);
}
};
TEST_F(MakemetaTest, singleFile)
{
auto trackers = std::array<tr_tracker_info, 16>{};
auto tracker_count = int{};
trackers[tracker_count].tier = tracker_count;
trackers[tracker_count].announce = const_cast<char*>("udp://tracker.openbittorrent.com:80");
++tracker_count;
trackers[tracker_count].tier = tracker_count;
trackers[tracker_count].announce = const_cast<char*>("udp://tracker.publicbt.com:80");
++tracker_count;
auto const payload = std::string{ "Hello, World!\n" };
char const* const comment = "This is the comment";
bool const is_private = false;
testSingleFileImpl(trackers.data(), tracker_count, payload.data(), payload.size(), comment, is_private);
}
TEST_F(MakemetaTest, singleDirectoryRandomPayload)
{
auto constexpr DefaultMaxFileCount = size_t{ 16 };
auto constexpr DefaultMaxFileSize = size_t{ 1024 };
auto trackers = std::array<tr_tracker_info, 16>{};
auto tracker_count = int{};
trackers[tracker_count].tier = tracker_count;
trackers[tracker_count].announce = const_cast<char*>("udp://tracker.openbittorrent.com:80");
++tracker_count;
trackers[tracker_count].tier = tracker_count;
trackers[tracker_count].announce = const_cast<char*>("udp://tracker.publicbt.com:80");
++tracker_count;
char const* const comment = "This is the comment";
bool const is_private = false;
for (size_t i = 0; i < 10; ++i)
{
testSingleDirectoryRandomPayloadImpl(
trackers.data(),
tracker_count,
DefaultMaxFileCount,
DefaultMaxFileSize,
comment,
is_private);
}
}
} // namespace test
} // namespace libtransmission