Move tests that only need src/lib into test/lib.

1 files changed, 231 insertions, 0 deletions

diff --git a/test/lib/disk_writer_test.cc b/test/lib/disk_writer_test.cc
new file mode 100644
index 000000000..e28dc1c56
--- /dev/null
+++ b/test/lib/disk_writer_test.cc
@@ -0,0 +1,231 @@
+/*
+    Copyright (C) 2020-2021 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/>.
+
+*/
+
+
+#include "lib/cross.h"
+#include "lib/ext.h"
+#include "lib/io_context.h"
+#include "../test.h"
+#include <boost/algorithm/string.hpp>
+#include <boost/asio.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/process.hpp>
+#include <boost/test/unit_test.hpp>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <iostream>
+#include <future>
+#include <regex>
+
+
+using std::future;
+using std::string;
+using std::vector;
+
+
+vector<string>
+ext2_ls (vector<string> arguments)
+{
+	using namespace boost::process;
+
+	dcpomatic::io_context ios;
+	future<string> data;
+	child ch (search_path("e2ls"), arguments, std_in.close(), std_out > data, ios);
+	ios.run();
+
+	auto output = data.get();
+	boost::trim (output);
+	vector<string> parts;
+	boost::split (parts, output, boost::is_any_of("\t "), boost::token_compress_on);
+	return parts;
+}
+
+
+static
+void
+make_empty_file(boost::filesystem::path file, off_t size)
+{
+       auto fd = open (file.string().c_str(), O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
+       BOOST_REQUIRE (fd != -1);
+       auto const r = posix_fallocate (fd, 0, size);
+       BOOST_REQUIRE_EQUAL (r, 0);
+       close (fd);
+}
+
+
+/** Use the writer code to make a disk and partition and copy a file (in a directory)
+ *  to it, then check that:
+ *  - the partition has inode size 128
+ *  - the file and directory have reasonable timestamps
+ *  - the file can be copied back off the disk
+ */
+BOOST_AUTO_TEST_CASE (disk_writer_test1)
+{
+	using namespace boost::filesystem;
+	using namespace boost::process;
+
+	Cleanup cl;
+
+	path disk = "build/test/disk_writer_test1.disk";
+	path partition = "build/test/disk_writer_test1.partition";
+
+	cl.add(disk);
+	cl.add(partition);
+
+	/* lwext4 has a lower limit of correct ext2 partition sizes it can make; 32Mb
+	 * does not work here: fsck gives errors about an incorrect free blocks count.
+	 */
+	make_random_file(disk, 256 * 1024 * 1024);
+	make_random_file(partition, 256 * 1024 * 1024);
+
+	path dcp = "build/test/disk_writer_test1";
+	create_directory (dcp);
+	/* Some arbitrary file size here */
+	make_random_file (dcp / "foo", 1024 * 1024 * 32 - 6128);
+
+	dcpomatic::write ({dcp}, disk.string(), partition.string(), nullptr);
+
+	BOOST_CHECK_EQUAL (system("/sbin/e2fsck -fn build/test/disk_writer_test1.partition"), 0);
+
+	{
+		dcpomatic::io_context ios;
+		future<string> data;
+		child ch ("/sbin/tune2fs", args({"-l", partition.string()}), std_in.close(), std_out > data, ios);
+		ios.run();
+
+		string output = data.get();
+		std::smatch matches;
+		std::regex reg("Inode size:\\s*(.*)");
+		BOOST_REQUIRE (std::regex_search(output, matches, reg));
+		BOOST_REQUIRE (matches.size() == 2);
+		BOOST_CHECK_EQUAL (matches[1].str(), "128");
+	}
+
+	BOOST_CHECK (ext2_ls({partition.string()}) == vector<string>({"disk_writer_test1", "lost+found"}));
+
+	string const unset_date = "1-Jan-1970";
+
+	/* Check timestamp of the directory has been set */
+	auto details = ext2_ls({"-l", partition.string()});
+	BOOST_REQUIRE (details.size() >= 6);
+	BOOST_CHECK (details[5] != unset_date);
+
+	auto const dir = partition.string() + ":disk_writer_test1";
+	BOOST_CHECK (ext2_ls({dir}) == vector<string>({"foo"}));
+
+	/* Check timestamp of foo */
+	details = ext2_ls({"-l", dir});
+	BOOST_REQUIRE (details.size() >= 6);
+	BOOST_CHECK (details[5] != unset_date);
+
+	system ("e2cp " + partition.string() + ":disk_writer_test1/foo build/test/disk_writer_test1_foo_back");
+	check_file ("build/test/disk_writer_test1/foo", "build/test/disk_writer_test1_foo_back");
+
+	cl.run();
+}
+
+
+BOOST_AUTO_TEST_CASE (disk_writer_test2)
+{
+	using namespace boost::filesystem;
+	using namespace boost::process;
+
+	remove_all("build/test/disk_writer_test2.disk");
+	remove_all("build/test/disk_writer_test2.partition");
+	remove_all("build/test/disk_writer_test2");
+
+	Cleanup cl;
+
+	path const disk = "build/test/disk_writer_test2.disk";
+	path const partition = "build/test/disk_writer_test2.partition";
+
+	cl.add(disk);
+	cl.add(partition);
+
+	/* Using empty files here still triggers the bug and is much quicker than using random data */
+	make_empty_file(disk,      31043616768LL);
+	make_empty_file(partition, 31043571712LL);
+
+	auto const dcp = TestPaths::private_data() / "xm";
+	dcpomatic::write({dcp}, disk.string(), partition.string(), nullptr);
+
+	BOOST_CHECK_EQUAL(system("/sbin/e2fsck -fn build/test/disk_writer_test2.partition"), 0);
+
+	path const check = "build/test/disk_writer_test2";
+	create_directory(check);
+	cl.add(check);
+
+	for (auto original: directory_iterator(dcp)) {
+		auto path_in_copy = path("xm") / original.path().filename();
+		auto path_in_check = check / original.path().filename();
+		system("e2cp " + partition.string() + ":" + path_in_copy.string() + " " + path_in_check.string());
+		check_file(original.path(), path_in_check);
+	}
+
+	cl.run();
+}
+
+
+
+BOOST_AUTO_TEST_CASE (disk_writer_test3)
+{
+	using namespace boost::filesystem;
+	using namespace boost::process;
+
+	remove_all("build/test/disk_writer_test3.disk");
+	remove_all("build/test/disk_writer_test3.partition");
+	remove_all("build/test/disk_writer_test3");
+
+	Cleanup cl;
+
+	path const disk = "build/test/disk_writer_test3.disk";
+	path const partition = "build/test/disk_writer_test3.partition";
+
+	cl.add(disk);
+	cl.add(partition);
+
+	/* Using empty files here still triggers the bug and is much quicker than using random data */
+	make_empty_file(disk,      31043616768LL);
+	make_empty_file(partition, 31043571712LL);
+
+	vector<boost::filesystem::path> const dcps = {
+		TestPaths::private_data() / "xm",
+		TestPaths::private_data() / "JourneyToJah_TLR-1_F_EN-DE-FR_CH_51_2K_LOK_20140225_DGL_SMPTE_OV"
+	};
+	dcpomatic::write(dcps, disk.string(), partition.string(), nullptr);
+
+	BOOST_CHECK_EQUAL(system("/sbin/e2fsck -fn build/test/disk_writer_test3.partition"), 0);
+
+	path const check = "build/test/disk_writer_test3";
+	create_directory(check);
+	cl.add(check);
+
+	for (auto dcp: dcps) {
+		for (auto original: directory_iterator(dcp)) {
+			auto path_in_copy = dcp.filename() / original.path().filename();
+			auto path_in_check = check / original.path().filename();
+			system("e2cp " + partition.string() + ":" + path_in_copy.string() + " " + path_in_check.string());
+			check_file(original.path(), path_in_check);
+		}
+	}
+
+	cl.run();
+}