/brz/remove-bazaar

# Copyright (C) 2006, 2009, 2010, 2011 Canonical Ltd

#

# This program 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.

#

# This program 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 this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Tests for tuned_gzip."""

import gzip

from io import BytesIO

from .. import (

    tuned_gzip,

    tests,

    )

class TestToGzip(tests.TestCase):

    def assertToGzip(self, chunks):

        raw_bytes = b''.join(chunks)

        gzfromchunks = tuned_gzip.chunks_to_gzip(chunks)

        decoded = gzip.GzipFile(fileobj=BytesIO(b''.join(gzfromchunks))).read()

        lraw, ldecoded = len(raw_bytes), len(decoded)

        self.assertEqual(lraw, ldecoded,

                         'Expecting data length %d, got %d' % (lraw, ldecoded))

        self.assertEqual(raw_bytes, decoded)

    def test_single_chunk(self):

        self.assertToGzip([b'a modest chunk\nwith some various\nbits\n'])

    def test_simple_text(self):

        self.assertToGzip([b'some\n', b'strings\n', b'to\n', b'process\n'])

    def test_large_chunks(self):

        self.assertToGzip([b'a large string\n' * 1024])

        self.assertToGzip([b'a large string\n'] * 1024)

    def test_enormous_chunks(self):

        self.assertToGzip([b'a large string\n' * 1024 * 256])

        self.assertToGzip([b'a large string\n'] * 1024 * 256)