From 2ae3d1c397dd3ca75c707e46592198b3a83f4444 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Wed, 27 Jul 2016 12:40:38 +0100
Subject: [PATCH] Add test of reel digests.

---
 test/digest_test.cc | 88 +++++++++++++++++++++++++++++++++++++++++++++
 test/util_test.cc   |  2 +-
 test/wscript        |  1 +
 3 files changed, 90 insertions(+), 1 deletion(-)
 create mode 100644 test/digest_test.cc

diff --git a/test/digest_test.cc b/test/digest_test.cc
new file mode 100644
index 000000000..f7480132e
--- /dev/null
+++ b/test/digest_test.cc
@@ -0,0 +1,88 @@
+/*
+    Copyright (C) 2016 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/>.
+
+*/
+
+#include "lib/film.h"
+#include "lib/image_content.h"
+#include "lib/dcp_content_type.h"
+#include "lib/compose.hpp"
+#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::string;
+using boost::shared_ptr;
+
+static string
+openssl_hash (boost::filesystem::path file)
+{
+	FILE* 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)
+{
+	shared_ptr<Film> film = new_test_film ("digest_test");
+	film->set_dcp_content_type (DCPContentType::from_isdcf_name ("TST"));
+	film->set_name ("digest_test");
+	shared_ptr<ImageContent> r (new ImageContent (film, "test/data/flat_red.png"));
+	shared_ptr<ImageContent> g (new ImageContent (film, "test/data/flat_green.png"));
+	shared_ptr<ImageContent> b (new ImageContent (film, "test/data/flat_blue.png"));
+	film->examine_and_add_content (r);
+	film->examine_and_add_content (g);
+	film->examine_and_add_content (b);
+	film->set_reel_type (REELTYPE_BY_VIDEO_CONTENT);
+	wait_for_jobs ();
+
+	film->make_dcp ();
+	wait_for_jobs ();
+
+	dcp::DCP dcp (film->dir (film->dcp_name ()));
+	dcp.read ();
+	BOOST_CHECK_EQUAL (dcp.cpls().size(), 1);
+	list<shared_ptr<dcp::Reel> > reels = dcp.cpls().front()->reels ();
+
+	list<shared_ptr<dcp::Reel> >::const_iterator i = reels.begin ();
+	BOOST_REQUIRE (i != reels.end ());
+	BOOST_CHECK_EQUAL ((*i)->main_picture()->hash().get(), openssl_hash ((*i)->main_picture()->asset()->file ()));
+	++i;
+	BOOST_REQUIRE (i != reels.end ());
+	BOOST_CHECK_EQUAL ((*i)->main_picture()->hash().get(), openssl_hash ((*i)->main_picture()->asset()->file ()));
+	++i;
+	BOOST_REQUIRE (i != reels.end ());
+	BOOST_CHECK_EQUAL ((*i)->main_picture()->hash().get(), openssl_hash ((*i)->main_picture()->asset()->file ()));
+	++i;
+	BOOST_REQUIRE (i == reels.end ());
+}
diff --git a/test/util_test.cc b/test/util_test.cc
index 0cbb5acd3..881d584d0 100644
--- a/test/util_test.cc
+++ b/test/util_test.cc
@@ -31,7 +31,7 @@ using std::string;
 using std::vector;
 using boost::shared_ptr;
 
-BOOST_AUTO_TEST_CASE (digest_test)
+BOOST_AUTO_TEST_CASE (digest_head_tail_test)
 {
 	vector<boost::filesystem::path> p;
 	p.push_back ("test/data/digest.test");
diff --git a/test/wscript b/test/wscript
index d336317e5..49e874ea9 100644
--- a/test/wscript
+++ b/test/wscript
@@ -53,6 +53,7 @@ def build(bld):
                  colour_conversion_test.cc
                  dcp_subtitle_test.cc
                  dcpomatic_time_test.cc
+                 digest_test.cc
                  ffmpeg_audio_test.cc
                  ffmpeg_audio_only_test.cc
                  ffmpeg_dcp_test.cc
-- 
2.30.2