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# RhodeCode VCSServer provides access to different vcs backends via network.
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# Copyright (C) 2014-2018 RhodeCode GmbH
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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 3 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
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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import io
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import dulwich.protocol
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import mock
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import pytest
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import webob
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import webtest
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from vcsserver import hooks, pygrack
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# pylint: disable=redefined-outer-name,protected-access
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@pytest.fixture()
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def pygrack_instance(tmpdir):
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"""
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Creates a pygrack app instance.
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Right now, it does not much helpful regarding the passed directory.
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It just contains the required folders to pass the signature test.
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"""
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for dir_name in ('config', 'head', 'info', 'objects', 'refs'):
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tmpdir.mkdir(dir_name)
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return pygrack.GitRepository('repo_name', str(tmpdir), 'git', False, {})
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@pytest.fixture()
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def pygrack_app(pygrack_instance):
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"""
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Creates a pygrack app wrapped in webtest.TestApp.
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"""
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return webtest.TestApp(pygrack_instance)
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def test_invalid_service_info_refs_returns_403(pygrack_app):
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response = pygrack_app.get('/info/refs?service=git-upload-packs',
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expect_errors=True)
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assert response.status_int == 403
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def test_invalid_endpoint_returns_403(pygrack_app):
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response = pygrack_app.post('/git-upload-packs', expect_errors=True)
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assert response.status_int == 403
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@pytest.mark.parametrize('sideband', [
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'side-band-64k',
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'side-band',
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'side-band no-progress',
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])
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def test_pre_pull_hook_fails_with_sideband(pygrack_app, sideband):
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request = ''.join([
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'0054want 74730d410fcb6603ace96f1dc55ea6196122532d ',
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'multi_ack %s ofs-delta\n' % sideband,
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'0000',
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'0009done\n',
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])
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with mock.patch('vcsserver.hooks.git_pre_pull',
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return_value=hooks.HookResponse(1, 'foo')):
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response = pygrack_app.post(
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'/git-upload-pack', params=request,
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content_type='application/x-git-upload-pack')
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data = io.BytesIO(response.body)
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proto = dulwich.protocol.Protocol(data.read, None)
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packets = list(proto.read_pkt_seq())
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expected_packets = [
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'NAK\n', '\x02foo', '\x02Pre pull hook failed: aborting\n',
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'\x01' + pygrack.GitRepository.EMPTY_PACK,
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]
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assert packets == expected_packets
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def test_pre_pull_hook_fails_no_sideband(pygrack_app):
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request = ''.join([
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'0054want 74730d410fcb6603ace96f1dc55ea6196122532d ' +
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'multi_ack ofs-delta\n'
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'0000',
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'0009done\n',
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])
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with mock.patch('vcsserver.hooks.git_pre_pull',
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return_value=hooks.HookResponse(1, 'foo')):
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response = pygrack_app.post(
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'/git-upload-pack', params=request,
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content_type='application/x-git-upload-pack')
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assert response.body == pygrack.GitRepository.EMPTY_PACK
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def test_pull_has_hook_messages(pygrack_app):
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request = ''.join([
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'0054want 74730d410fcb6603ace96f1dc55ea6196122532d ' +
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'multi_ack side-band-64k ofs-delta\n'
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'0000',
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'0009done\n',
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])
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with mock.patch('vcsserver.hooks.git_pre_pull',
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return_value=hooks.HookResponse(0, 'foo')):
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with mock.patch('vcsserver.hooks.git_post_pull',
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return_value=hooks.HookResponse(1, 'bar')):
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with mock.patch('vcsserver.subprocessio.SubprocessIOChunker',
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return_value=['0008NAK\n0009subp\n0000']):
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response = pygrack_app.post(
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'/git-upload-pack', params=request,
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content_type='application/x-git-upload-pack')
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data = io.BytesIO(response.body)
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proto = dulwich.protocol.Protocol(data.read, None)
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packets = list(proto.read_pkt_seq())
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assert packets == ['NAK\n', '\x02foo', 'subp\n', '\x02bar']
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def test_get_want_capabilities(pygrack_instance):
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data = io.BytesIO(
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'0054want 74730d410fcb6603ace96f1dc55ea6196122532d ' +
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'multi_ack side-band-64k ofs-delta\n00000009done\n')
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request = webob.Request({
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'wsgi.input': data,
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'REQUEST_METHOD': 'POST',
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'webob.is_body_seekable': True
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})
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capabilities = pygrack_instance._get_want_capabilities(request)
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assert capabilities == frozenset(
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('ofs-delta', 'multi_ack', 'side-band-64k'))
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assert data.tell() == 0
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@pytest.mark.parametrize('data,capabilities,expected', [
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('foo', [], []),
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('', ['side-band-64k'], []),
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('', ['side-band'], []),
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('foo', ['side-band-64k'], ['0008\x02foo']),
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('foo', ['side-band'], ['0008\x02foo']),
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('f'*1000, ['side-band-64k'], ['03ed\x02' + 'f' * 1000]),
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('f'*1000, ['side-band'], ['03e8\x02' + 'f' * 995, '000a\x02fffff']),
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('f'*65520, ['side-band-64k'], ['fff0\x02' + 'f' * 65515, '000a\x02fffff']),
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('f'*65520, ['side-band'], ['03e8\x02' + 'f' * 995] * 65 + ['0352\x02' + 'f' * 845]),
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], ids=[
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'foo-empty',
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'empty-64k', 'empty',
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'foo-64k', 'foo',
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'f-1000-64k', 'f-1000',
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'f-65520-64k', 'f-65520'])
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def test_get_messages(pygrack_instance, data, capabilities, expected):
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messages = pygrack_instance._get_messages(data, capabilities)
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assert messages == expected
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@pytest.mark.parametrize('response,capabilities,pre_pull_messages,post_pull_messages', [
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# Unexpected response
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('unexpected_response', ['side-band-64k'], 'foo', 'bar'),
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# No sideband
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('no-sideband', [], 'foo', 'bar'),
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# No messages
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('no-messages', ['side-band-64k'], '', ''),
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])
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def test_inject_messages_to_response_nothing_to_do(
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pygrack_instance, response, capabilities, pre_pull_messages,
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post_pull_messages):
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new_response = pygrack_instance._inject_messages_to_response(
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response, capabilities, pre_pull_messages, post_pull_messages)
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assert new_response == response
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@pytest.mark.parametrize('capabilities', [
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['side-band'],
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['side-band-64k'],
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])
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def test_inject_messages_to_response_single_element(pygrack_instance,
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capabilities):
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response = ['0008NAK\n0009subp\n0000']
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new_response = pygrack_instance._inject_messages_to_response(
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response, capabilities, 'foo', 'bar')
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expected_response = [
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'0008NAK\n', '0008\x02foo', '0009subp\n', '0008\x02bar', '0000']
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assert new_response == expected_response
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@pytest.mark.parametrize('capabilities', [
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['side-band'],
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['side-band-64k'],
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])
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def test_inject_messages_to_response_multi_element(pygrack_instance,
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capabilities):
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response = [
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'0008NAK\n000asubp1\n', '000asubp2\n', '000asubp3\n', '000asubp4\n0000']
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new_response = pygrack_instance._inject_messages_to_response(
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response, capabilities, 'foo', 'bar')
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expected_response = [
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'0008NAK\n', '0008\x02foo', '000asubp1\n', '000asubp2\n', '000asubp3\n',
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'000asubp4\n', '0008\x02bar', '0000'
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]
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assert new_response == expected_response
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def test_build_failed_pre_pull_response_no_sideband(pygrack_instance):
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response = pygrack_instance._build_failed_pre_pull_response([], 'foo')
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assert response == [pygrack.GitRepository.EMPTY_PACK]
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@pytest.mark.parametrize('capabilities', [
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['side-band'],
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['side-band-64k'],
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['side-band-64k', 'no-progress'],
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])
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def test_build_failed_pre_pull_response(pygrack_instance, capabilities):
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response = pygrack_instance._build_failed_pre_pull_response(
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capabilities, 'foo')
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expected_response = [
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'0008NAK\n', '0008\x02foo', '0024\x02Pre pull hook failed: aborting\n',
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'%04x\x01%s' % (len(pygrack.GitRepository.EMPTY_PACK) + 5,
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pygrack.GitRepository.EMPTY_PACK),
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'0000',
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]
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assert response == expected_response
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