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/*
Copyright (C) 2016-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file test/digest_test.cc
* @brief Check computed DCP digests against references calculated by the `openssl` binary.
* @ingroup feature
*/
#include "lib/compose.hpp"
#include "lib/config.h"
#include "lib/dcp_content_type.h"
#include "lib/film.h"
#include "lib/image_content.h"
#include "test.h"
#include <dcp/cpl.h>
#include <dcp/reel.h>
#include <dcp/reel_picture_asset.h>
#include <boost/test/unit_test.hpp>
using std::list;
using std::make_shared;
using std::string;
static string
openssl_hash (boost::filesystem::path file)
{
auto pipe = popen (String::compose ("openssl sha1 -binary %1 | openssl base64 -e", file.string()).c_str (), "r");
BOOST_REQUIRE (pipe);
char buffer[128];
string output;
while (!feof (pipe)) {
if (fgets (buffer, sizeof(buffer), pipe)) {
output += buffer;
}
}
pclose (pipe);
if (!output.empty ()) {
output = output.substr (0, output.length() - 1);
}
return output;
}
/** Test the digests made by the DCP writing code on a multi-reel DCP */
BOOST_AUTO_TEST_CASE (digest_test)
{
auto r = make_shared<ImageContent>("test/data/flat_red.png");
auto g = make_shared<ImageContent>("test/data/flat_green.png");
auto b = make_shared<ImageContent>("test/data/flat_blue.png");
auto film = new_test_film("digest_test", { r, g, b });
film->set_reel_type (ReelType::BY_VIDEO_CONTENT);
BOOST_CHECK (Config::instance()->master_encoding_threads() > 1);
make_and_verify_dcp (film);
dcp::DCP dcp (film->dir (film->dcp_name ()));
dcp.read ();
BOOST_CHECK_EQUAL (dcp.cpls().size(), 1U);
auto reels = dcp.cpls()[0]->reels();
auto i = reels.begin ();
BOOST_REQUIRE (i != reels.end ());
BOOST_REQUIRE ((*i)->main_picture()->hash());
BOOST_REQUIRE ((*i)->main_picture()->asset()->file());
BOOST_CHECK_EQUAL ((*i)->main_picture()->hash().get(), openssl_hash ((*i)->main_picture()->asset()->file().get()));
++i;
BOOST_REQUIRE (i != reels.end ());
BOOST_REQUIRE ((*i)->main_picture()->hash());
BOOST_REQUIRE ((*i)->main_picture()->asset()->file());
BOOST_CHECK_EQUAL ((*i)->main_picture()->hash().get(), openssl_hash ((*i)->main_picture()->asset()->file().get()));
++i;
BOOST_REQUIRE (i != reels.end ());
BOOST_REQUIRE ((*i)->main_picture()->hash());
BOOST_REQUIRE ((*i)->main_picture()->asset()->file());
BOOST_CHECK_EQUAL ((*i)->main_picture()->hash().get(), openssl_hash ((*i)->main_picture()->asset()->file().get()));
++i;
BOOST_REQUIRE (i == reels.end ());
}
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