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# Copyright 2010, Google Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import unittest
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from httpplus import _readers
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def chunkedblock(x, eol='\r\n'):
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r"""Make a chunked transfer-encoding block.
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>>> chunkedblock('hi')
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'2\r\nhi\r\n'
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>>> chunkedblock('hi' * 10)
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'14\r\nhihihihihihihihihihi\r\n'
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>>> chunkedblock('hi', eol='\n')
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'2\nhi\n'
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"""
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return ''.join((hex(len(x))[2:], eol, x, eol))
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corpus = 'foo\r\nbar\r\nbaz\r\n'
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class ChunkedReaderTest(unittest.TestCase):
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def test_many_block_boundaries(self):
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for step in xrange(1, len(corpus)):
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data = ''.join(chunkedblock(corpus[start:start+step]) for
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start in xrange(0, len(corpus), step))
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for istep in xrange(1, len(data)):
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rdr = _readers.ChunkedReader('\r\n')
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print 'step', step, 'load', istep
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for start in xrange(0, len(data), istep):
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rdr._load(data[start:start+istep])
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rdr._load(chunkedblock(''))
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self.assertEqual(corpus, rdr.read(len(corpus) + 1))
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def test_small_chunk_blocks_large_wire_blocks(self):
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data = ''.join(map(chunkedblock, corpus)) + chunkedblock('')
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rdr = _readers.ChunkedReader('\r\n')
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for start in xrange(0, len(data), 4):
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d = data[start:start + 4]
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if d:
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rdr._load(d)
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self.assertEqual(corpus, rdr.read(len(corpus)+100))
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# no-check-code
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