1 files changed, 112 insertions, 0 deletions
diff --git a/deluge/tests/test_metafile.py b/deluge/tests/test_metafile.py
new file mode 100644
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+++ b/deluge/tests/test_metafile.py
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+#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
+#
+
+import os
+import tempfile
+
+import pytest
+
+from deluge import metafile
+from deluge._libtorrent import LT_VERSION
+from deluge.common import VersionSplit
+
+from . import common
+
+
+def check_torrent(filename):
+    # Test loading with libtorrent to make sure it's valid
+    from deluge._libtorrent import lt
+
+    lt.torrent_info(filename)
+
+    # Test loading with our internal TorrentInfo class
+    from deluge.ui.common import TorrentInfo
+
+    TorrentInfo(filename)
+
+
+class TestMetafile:
+    def test_save_multifile(self):
+        # Create a temporary folder for torrent creation
+        tmp_path = tempfile.mkdtemp()
+        with open(os.path.join(tmp_path, 'file_A'), 'wb') as tmp_file:
+            tmp_file.write(b'a' * (312 * 1024))
+        with open(os.path.join(tmp_path, 'file_B'), 'wb') as tmp_file:
+            tmp_file.write(b'b' * (2354 * 1024))
+        with open(os.path.join(tmp_path, 'file_C'), 'wb') as tmp_file:
+            tmp_file.write(b'c' * (11 * 1024))
+
+        tmp_fd, tmp_file = tempfile.mkstemp('.torrent')
+        metafile.make_meta_file(tmp_path, '', 32768, target=tmp_file)
+
+        check_torrent(tmp_file)
+
+        os.remove(os.path.join(tmp_path, 'file_A'))
+        os.remove(os.path.join(tmp_path, 'file_B'))
+        os.remove(os.path.join(tmp_path, 'file_C'))
+        os.rmdir(tmp_path)
+        os.close(tmp_fd)
+        os.remove(tmp_file)
+
+    def test_save_singlefile(self):
+        with tempfile.TemporaryDirectory() as tmp_dir:
+            tmp_data = tmp_dir + '/testdata'
+            with open(tmp_data, 'wb') as tmp_file:
+                tmp_file.write(b'a' * (2314 * 1024))
+
+            tmp_torrent = tmp_dir + '/.torrent'
+            metafile.make_meta_file(tmp_data, '', 32768, target=tmp_torrent)
+
+            check_torrent(tmp_torrent)
+
+    @pytest.mark.parametrize(
+        'path',
+        [
+            common.get_test_data_file('deluge.png'),
+            common.get_test_data_file('unicode_filenames.torrent'),
+            os.path.dirname(common.get_test_data_file('deluge.png')),
+        ],
+    )
+    @pytest.mark.parametrize(
+        'torrent_format',
+        [
+            metafile.TorrentFormat.V1,
+            metafile.TorrentFormat.V2,
+            metafile.TorrentFormat.HYBRID,
+        ],
+    )
+    @pytest.mark.parametrize('piece_length', [2**14, 2**15, 2**16])
+    @pytest.mark.parametrize('private', [True, False])
+    def test_create_info(self, path, torrent_format, piece_length, private):
+        our_info, our_piece_layers = metafile.makeinfo(
+            path,
+            piece_length,
+            metafile.dummy,
+            private=private,
+            torrent_format=torrent_format,
+        )
+        lt_info, lt_piece_layers = metafile.makeinfo_lt(
+            path,
+            piece_length,
+            private=private,
+            torrent_format=torrent_format,
+        )
+
+        if (
+            torrent_format == metafile.TorrentFormat.HYBRID
+            and os.path.isdir(path)
+            and VersionSplit(LT_VERSION) <= VersionSplit('2.0.7.0')
+        ):
+            # Libtorrent didn't correctly follow the standard until version 2.0.7 included
+            # https://github.com/arvidn/libtorrent/commit/74d82a0cd7c2e9e3c4294901d7eb65e247050df4
+            # If last file is a padding, ignore that file and the last piece.
+            if our_info[b'files'][-1][b'path'][0] == b'.pad':
+                our_info[b'files'] = our_info[b'files'][:-1]
+                our_info[b'pieces'] = our_info[b'pieces'][:-32]
+                lt_info[b'pieces'] = lt_info[b'pieces'][:-32]
+
+        assert our_info == lt_info
+        assert our_piece_layers == lt_piece_layers