98 lines
3.3 KiB
Python
98 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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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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