mercurial/httpclient/tests/test_chunked_transfer.py

workingctx: eliminate remove function

Inlining it into it's last remaining call place in cmdutil.copy.

Note that cmdutil.copy is called with the wlock already held, so no additional
locking is needed to call util.unlinkpath.

We do not need to wrap the util.unlinkpath call into a try block, because
at that point we already know whether abssrc exists or not -- thanks to the
preceding util.copyfile call. Adding a new local 'srcexists' in cmdutil.copy
for that purpose.

# Copyright 2010, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#     * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import cStringIO
import unittest

import http

# relative import to ease embedding the library
import util


def chunkedblock(x, eol='\r\n'):
    r"""Make a chunked transfer-encoding block.

    >>> chunkedblock('hi')
    '2\r\nhi\r\n'
    >>> chunkedblock('hi' * 10)
    '14\r\nhihihihihihihihihihi\r\n'
    >>> chunkedblock('hi', eol='\n')
    '2\nhi\n'
    """
    return ''.join((hex(len(x))[2:], eol, x, eol))


class ChunkedTransferTest(util.HttpTestBase, unittest.TestCase):
    def testChunkedUpload(self):
        con = http.HTTPConnection('1.2.3.4:80')
        con._connect()
        sock = con.sock
        sock.read_wait_sentinel = '0\r\n\r\n'
        sock.data = ['HTTP/1.1 200 OK\r\n',
                     'Server: BogusServer 1.0\r\n',
                     'Content-Length: 6',
                     '\r\n\r\n',
                     "Thanks"]

        zz = 'zz\n'
        con.request('POST', '/', body=cStringIO.StringIO(
            (zz * (0x8010 / 3)) + 'end-of-body'))
        expected_req = ('POST / HTTP/1.1\r\n'
                        'transfer-encoding: chunked\r\n'
                        'Host: 1.2.3.4\r\n'
                        'accept-encoding: identity\r\n\r\n')
        expected_req += chunkedblock('zz\n' * (0x8000 / 3) + 'zz')
        expected_req += chunkedblock(
            '\n' + 'zz\n' * ((0x1b - len('end-of-body')) / 3) + 'end-of-body')
        expected_req += '0\r\n\r\n'
        self.assertEqual(('1.2.3.4', 80), sock.sa)
        self.assertStringEqual(expected_req, sock.sent)
        self.assertEqual("Thanks", con.getresponse().read())
        self.assertEqual(sock.closed, False)

    def testChunkedDownload(self):
        con = http.HTTPConnection('1.2.3.4:80')
        con._connect()
        sock = con.sock
        sock.data = ['HTTP/1.1 200 OK\r\n',
                     'Server: BogusServer 1.0\r\n',
                     'transfer-encoding: chunked',
                     '\r\n\r\n',
                     chunkedblock('hi '),
                     chunkedblock('there'),
                     chunkedblock(''),
                     ]
        con.request('GET', '/')
        self.assertStringEqual('hi there', con.getresponse().read())

    def testChunkedDownloadBadEOL(self):
        con = http.HTTPConnection('1.2.3.4:80')
        con._connect()
        sock = con.sock
        sock.data = ['HTTP/1.1 200 OK\n',
                     'Server: BogusServer 1.0\n',
                     'transfer-encoding: chunked',
                     '\n\n',
                     chunkedblock('hi ', eol='\n'),
                     chunkedblock('there', eol='\n'),
                     chunkedblock('', eol='\n'),
                     ]
        con.request('GET', '/')
        self.assertStringEqual('hi there', con.getresponse().read())

    def testChunkedDownloadPartialChunkBadEOL(self):
        con = http.HTTPConnection('1.2.3.4:80')
        con._connect()
        sock = con.sock
        sock.data = ['HTTP/1.1 200 OK\n',
                     'Server: BogusServer 1.0\n',
                     'transfer-encoding: chunked',
                     '\n\n',
                     chunkedblock('hi ', eol='\n'),
                     ] + list(chunkedblock('there\n' * 5, eol='\n')) + [
                         chunkedblock('', eol='\n')]
        con.request('GET', '/')
        self.assertStringEqual('hi there\nthere\nthere\nthere\nthere\n',
                               con.getresponse().read())

    def testChunkedDownloadPartialChunk(self):
        con = http.HTTPConnection('1.2.3.4:80')
        con._connect()
        sock = con.sock
        sock.data = ['HTTP/1.1 200 OK\r\n',
                     'Server: BogusServer 1.0\r\n',
                     'transfer-encoding: chunked',
                     '\r\n\r\n',
                     chunkedblock('hi '),
                     ] + list(chunkedblock('there\n' * 5)) + [chunkedblock('')]
        con.request('GET', '/')
        self.assertStringEqual('hi there\nthere\nthere\nthere\nthere\n',
                               con.getresponse().read())
# no-check-code