100 lines
3.5 KiB
Python
100 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 Mirantis, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import six
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from packetary.library import streams
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from packetary.tests import base
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from packetary.tests.stubs.helpers import get_compressed
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class TestBufferedStream(base.TestCase):
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def setUp(self):
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super(TestBufferedStream, self).setUp()
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self.stream = streams.StreamWrapper(
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six.BytesIO(b"line1\nline2\nline3\n")
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)
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def test_read(self):
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self.stream.CHUNK_SIZE = 10
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chunk = self.stream.read(5)
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self.assertEqual(b"line1", chunk)
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self.assertEqual(b"\nline", self.stream.unread_tail)
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chunk = self.stream.read(1024)
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self.assertEqual(b"\nline2\nline3\n", chunk)
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self.assertEqual(b"", self.stream.unread_tail)
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def test_readline(self):
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self.stream.CHUNK_SIZE = 12
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chunk = self.stream.readline()
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self.assertEqual(b"line1\n", chunk)
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self.assertEqual(b"line2\n", self.stream.unread_tail)
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lines = list(self.stream.readlines())
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self.assertEqual([b"line2\n", b"line3\n"], lines)
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self.assertEqual(b"", self.stream.unread_tail)
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def test_readlines(self):
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self.stream.CHUNK_SIZE = 12
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lines = list(self.stream.readlines())
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self.assertEqual(
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[b"line1\n", b"line2\n", b"line3\n"],
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lines)
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class TestGzipDecompress(base.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.compressed = get_compressed(six.BytesIO(b"line1\nline2\nline3\n"))
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def setUp(self):
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super(TestGzipDecompress, self).setUp()
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self.compressed.reset()
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self.stream = streams.GzipDecompress(self.compressed)
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def test_read(self):
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chunk = self.stream.read(5)
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self.assertEqual(b"line1", chunk)
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self.assertEqual(b"\nline2\nline3\n", self.stream.unread_tail)
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chunk = self.stream.read(1024)
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self.assertEqual(b"\nline2\nline3\n", chunk)
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self.assertEqual(b"", self.stream.unread_tail)
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def test_readline(self):
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self.stream.CHUNK_SIZE = 12
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chunk = self.stream.readline()
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self.assertEqual(b"line1\n", chunk)
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self.assertEqual(b"line2\nl", self.stream.unread_tail)
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lines = list(self.stream.readlines())
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self.assertEqual([b"line2\n", b"line3\n"], lines)
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self.assertEqual(b"", self.stream.unread_tail)
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def test_readlines(self):
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self.stream.CHUNK_SIZE = 12
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lines = list(self.stream.readlines())
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self.assertEqual(
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[b"line1\n", b"line2\n", b"line3\n"],
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lines)
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def test_handle_case_if_not_enough_data_to_decompress(self):
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self.stream.CHUNK_SIZE = 1
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chunk = self.stream.read()
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self.assertEqual(
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b"line1\nline2\nline3\n",
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chunk
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)
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