transmission/tests/libtransmission/metainfo-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 "metainfo.h"
#include "utils.h"
#include "gtest/gtest.h"
#include <array>
#include <cerrno>
#include <cstring>
#include <string_view>
using namespace std::literals;
TEST(Metainfo, magnetLink)
{
// background info @ http://wiki.theory.org/BitTorrent_Magnet-URI_Webseeding
char const constexpr* const MagnetLink =
"magnet:?"
"xt=urn:btih:14ffe5dd23188fd5cb53a1d47f1289db70abf31e"
"&dn=ubuntu_12_04_1_desktop_32_bit"
"&tr=http%3A%2F%2Ftracker.publicbt.com%2Fannounce"
"&tr=udp%3A%2F%2Ftracker.publicbt.com%3A80"
"&ws=http%3A%2F%2Ftransmissionbt.com";
auto* ctor = tr_ctorNew(nullptr);
tr_ctorSetMetainfoFromMagnetLink(ctor, MagnetLink);
auto inf = tr_info{};
auto const parse_result = tr_torrentParse(ctor, &inf);
EXPECT_EQ(TR_PARSE_OK, parse_result);
EXPECT_EQ(0, inf.fileCount); // because it's a magnet link
EXPECT_EQ(2, inf.trackerCount);
if (inf.trackerCount >= 1)
{
EXPECT_STREQ("http://tracker.publicbt.com/announce", inf.trackers[0].announce);
}
if (inf.trackerCount >= 2)
{
EXPECT_STREQ("udp://tracker.publicbt.com:80", inf.trackers[1].announce);
}
EXPECT_EQ(1, inf.webseedCount);
if (inf.webseedCount >= 1)
{
EXPECT_STREQ("http://transmissionbt.com", inf.webseeds[0]);
}
auto* const link = tr_torrentInfoGetMagnetLink(&inf);
EXPECT_STREQ(MagnetLink, link);
tr_free(link);
/* cleanup */
tr_metainfoFree(&inf);
tr_ctorFree(ctor);
}
#define BEFORE_PATH \
"d10:created by25:Transmission/2.82 (14160)13:creation datei1402280218e8:encoding5:UTF-84:infod5:filesld6:lengthi2e4:pathl"
#define AFTER_PATH \
"eed6:lengthi2e4:pathl5:b.txteee4:name3:foo12:piece lengthi32768e6:pieces20:ÞÉ`âM‘‹Šs¡Å;˺¬.åÂà7:privatei0eee"
// FIXME: split these into parameterized tests?
TEST(Metainfo, bucket)
{
struct LocalTest
{
int expected_benc_err;
int expected_parse_result;
std::string_view benc;
};
auto const tests = std::array<LocalTest, 9>{
LocalTest{ 0, TR_PARSE_OK, BEFORE_PATH "5:a.txt" AFTER_PATH },
/* allow empty components, but not =all= empty components, see bug #5517 */
{ 0, TR_PARSE_OK, BEFORE_PATH "0:5:a.txt" AFTER_PATH },
{ 0, TR_PARSE_ERR, BEFORE_PATH "0:0:" AFTER_PATH },
/* allow path separators in a filename (replaced with '_') */
{ 0, TR_PARSE_OK, BEFORE_PATH "7:a/a.txt" AFTER_PATH },
/* allow "." components (skipped) */
{ 0, TR_PARSE_OK, BEFORE_PATH "1:.5:a.txt" AFTER_PATH },
{ 0, TR_PARSE_OK, BEFORE_PATH "5:a.txt1:." AFTER_PATH },
/* allow ".." components (replaced with "__") */
{ 0, TR_PARSE_OK, BEFORE_PATH "2:..5:a.txt" AFTER_PATH },
{ 0, TR_PARSE_OK, BEFORE_PATH "5:a.txt2:.." AFTER_PATH },
/* fail on empty string */
{ EILSEQ, TR_PARSE_ERR, "" },
};
tr_logSetLevel(TR_LOG_SILENT);
for (auto const& test : tests)
{
auto* ctor = tr_ctorNew(nullptr);
int const err = tr_ctorSetMetainfo(ctor, std::data(test.benc), std::size(test.benc));
EXPECT_EQ(test.expected_benc_err, err);
if (err == 0)
{
tr_parse_result const parse_result = tr_torrentParse(ctor, nullptr);
EXPECT_EQ(test.expected_parse_result, parse_result);
}
tr_ctorFree(ctor);
}
}
TEST(Metainfo, sanitize)
{
struct LocalTest
{
std::string_view input;
std::string_view expected_output;
bool expected_is_adjusted;
};
auto const tests = std::array<LocalTest, 29>{
// skipped
LocalTest{ ""sv, ""sv, false },
{ "."sv, ""sv, true },
{ ".."sv, ""sv, true },
{ "....."sv, ""sv, true },
{ " "sv, ""sv, true },
{ " . "sv, ""sv, true },
{ ". . ."sv, ""sv, true },
// replaced with '_'
{ "/"sv, "_"sv, true },
{ "////"sv, "____"sv, true },
{ "\\\\"sv, "__"sv, true },
{ "/../"sv, "_.._"sv, true },
{ "foo<bar:baz/boo"sv, "foo_bar_baz_boo"sv, true },
{ "t\0e\x01s\tt\ri\nn\fg"sv, "t_e_s_t_i_n_g"sv, true },
// appended with '_'
{ "con"sv, "con_"sv, true },
{ "cOm4"sv, "cOm4_"sv, true },
{ "LPt9.txt"sv, "LPt9_.txt"sv, true },
{ "NUL.tar.gz"sv, "NUL_.tar.gz"sv, true },
// trimmed
{ " foo"sv, "foo"sv, true },
{ "foo "sv, "foo"sv, true },
{ " foo "sv, "foo"sv, true },
{ "foo."sv, "foo"sv, true },
{ "foo..."sv, "foo"sv, true },
{ " foo... "sv, "foo"sv, true },
// unmodified
{ "foo"sv, "foo"sv, false },
{ ".foo"sv, ".foo"sv, false },
{ "..foo"sv, "..foo"sv, false },
{ "foo.bar.baz"sv, "foo.bar.baz"sv, false },
{ "null"sv, "null"sv, false },
{ "compass"sv, "compass"sv, false },
};
auto out = std::string{};
auto is_adjusted = bool{};
for (auto const& test : tests)
{
out.clear();
auto const success = tr_metainfoAppendSanitizedPathComponent(out, test.input, &is_adjusted);
EXPECT_EQ(!std::empty(out), success);
EXPECT_EQ(test.expected_output, out);
EXPECT_EQ(test.expected_is_adjusted, is_adjusted);
}
}
TEST(Metainfo, AndroidTorrent)
{
auto* ctor = tr_ctorNew(nullptr);
auto filename = std::string{ LIBTRANSMISSION_TEST_ASSETS_DIR };
filename += '/'; // FIXME
filename += "Android-x86 8.1 r6 iso.torrent";
auto const err = tr_ctorSetMetainfoFromFile(ctor, filename.c_str());
EXPECT_EQ(0, err);
tr_ctorFree(ctor);
}