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# Copyright (C) 2004, 2005 by Canonical Ltd
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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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# 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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# 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
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from cStringIO import StringIO
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from bzrlib.selftest import TestCaseInTempDir
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from bzrlib.selftest.HTTPTestUtil import TestCaseWithWebserver
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from bzrlib.errors import NoSuchFile, FileExists, TransportNotPossible
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"""Append the given text (file-like object) to the supplied filename."""
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class TestTransportMixIn(object):
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"""Subclass this, and it will provide a series of tests for a Transport.
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It assumes that the Transport object is connected to the
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current working directory. So that whatever is done
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through the transport, should show up in the working
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directory, and vice-versa.
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This also tests to make sure that the functions work with both
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generators and lists (assuming iter(list) is effectively a generator)
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def get_transport(self):
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"""Children should override this to return the Transport object.
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raise NotImplementedError
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t = self.get_transport()
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files = ['a', 'b', 'e', 'g']
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self.build_tree(files)
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self.assertEqual(t.has('a'), True)
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self.assertEqual(t.has('c'), False)
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self.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'])),
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[True, True, False, False, True, False, True, False])
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self.assertEqual(list(t.has_multi(iter(['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']))),
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[True, True, False, False, True, False, True, False])
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t = self.get_transport()
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files = ['a', 'b', 'e', 'g']
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self.build_tree(files)
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self.assertEqual(t.get('a').read(), open('a').read())
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content_f = t.get_multi(files)
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for path,f in zip(files, content_f):
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self.assertEqual(open(path).read(), f.read())
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content_f = t.get_multi(iter(files))
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for path,f in zip(files, content_f):
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self.assertEqual(open(path).read(), f.read())
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self.assertRaises(NoSuchFile, t.get, 'c')
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files = list(t.get_multi(['a', 'b', 'c']))
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self.fail('Failed to raise NoSuchFile for missing file in get_multi')
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files = list(t.get_multi(iter(['a', 'b', 'c', 'e'])))
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self.fail('Failed to raise NoSuchFile for missing file in get_multi')
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t = self.get_transport()
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self.assertRaises(TransportNotPossible,
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t.put, 'a', 'some text for a\n')
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open('a', 'wb').write('some text for a\n')
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t.put('a', 'some text for a\n')
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self.assert_(os.path.exists('a'))
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self.check_file_contents('a', 'some text for a\n')
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self.assertEqual(t.get('a').read(), 'some text for a\n')
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# Make sure 'has' is updated
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self.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd', 'e'])),
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[True, False, False, False, False])
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self.assertRaises(TransportNotPossible,
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[('a', 'new\ncontents for\na\n'),
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('d', 'contents\nfor d\n')])
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open('a', 'wb').write('new\ncontents for\na\n')
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open('d', 'wb').write('contents\nfor d\n')
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# Put also replaces contents
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self.assertEqual(t.put_multi([('a', 'new\ncontents for\na\n'),
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('d', 'contents\nfor d\n')]),
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self.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd', 'e'])),
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[True, False, False, True, False])
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self.check_file_contents('a', 'new\ncontents for\na\n')
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self.check_file_contents('d', 'contents\nfor d\n')
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self.assertRaises(TransportNotPossible,
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t.put_multi, iter([('a', 'diff\ncontents for\na\n'),
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('d', 'another contents\nfor d\n')]))
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open('a', 'wb').write('diff\ncontents for\na\n')
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open('d', 'wb').write('another contents\nfor d\n')
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t.put_multi(iter([('a', 'diff\ncontents for\na\n'),
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('d', 'another contents\nfor d\n')]))
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self.check_file_contents('a', 'diff\ncontents for\na\n')
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self.check_file_contents('d', 'another contents\nfor d\n')
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self.assertRaises(TransportNotPossible,
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t.put, 'path/doesnt/exist/c', 'contents')
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self.assertRaises(NoSuchFile,
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t.put, 'path/doesnt/exist/c', 'contents')
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def test_put_file(self):
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t = self.get_transport()
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# Test that StringIO can be used as a file-like object with put
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f1 = StringIO('this is a string\nand some more stuff\n')
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open('f1', 'wb').write(f1.read())
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self.check_file_contents('f1',
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'this is a string\nand some more stuff\n')
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f2 = StringIO('here is some text\nand a bit more\n')
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f3 = StringIO('some text for the\nthird file created\n')
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open('f2', 'wb').write(f2.read())
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open('f3', 'wb').write(f3.read())
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t.put_multi([('f2', f2), ('f3', f3)])
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self.check_file_contents('f2', 'here is some text\nand a bit more\n')
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self.check_file_contents('f3', 'some text for the\nthird file created\n')
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# Test that an actual file object can be used with put
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f4 = open('f1', 'rb')
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open('f4', 'wb').write(f4.read())
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self.check_file_contents('f4',
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'this is a string\nand some more stuff\n')
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f5 = open('f2', 'rb')
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f6 = open('f3', 'rb')
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open('f5', 'wb').write(f5.read())
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open('f6', 'wb').write(f6.read())
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t.put_multi([('f5', f5), ('f6', f6)])
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self.check_file_contents('f5', 'here is some text\nand a bit more\n')
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self.check_file_contents('f6', 'some text for the\nthird file created\n')
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def test_mkdir(self):
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t = self.get_transport()
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self.assertEqual(t.has('dir_a'), True)
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self.assertEqual(t.has('dir_b'), False)
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self.assertRaises(TransportNotPossible,
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self.assertEqual(t.has('dir_b'), True)
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self.assert_(os.path.isdir('dir_b'))
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self.assertRaises(TransportNotPossible,
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t.mkdir_multi, ['dir_c', 'dir_d'])
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t.mkdir_multi(['dir_c', 'dir_d'])
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self.assertRaises(TransportNotPossible,
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t.mkdir_multi, iter(['dir_e', 'dir_f']))
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t.mkdir_multi(iter(['dir_e', 'dir_f']))
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self.assertEqual(list(t.has_multi(
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['dir_a', 'dir_b', 'dir_c', 'dir_q',
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'dir_d', 'dir_e', 'dir_f', 'dir_b'])),
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[True, True, True, False,
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True, True, True, True])
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for d in ['dir_a', 'dir_b', 'dir_c', 'dir_d', 'dir_e', 'dir_f']:
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self.assert_(os.path.isdir(d))
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if not self.readonly:
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self.assertRaises(NoSuchFile, t.mkdir, 'path/doesnt/exist')
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self.assertRaises(FileExists, t.mkdir, 'dir_a') # Creating a directory again should fail
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# Make sure the transport recognizes when a
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# directory is created by other means
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# Caching Transports will fail, because dir_e was already seen not
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# to exist. So instead, we will search for a new directory
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#if not self.readonly:
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# self.assertRaises(FileExists, t.mkdir, 'dir_e')
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if not self.readonly:
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self.assertRaises(FileExists, t.mkdir, 'dir_g')
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# Test get/put in sub-directories
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open('dir_a/a', 'wb').write('contents of dir_a/a')
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open('dir_b/b', 'wb').write('contents of dir_b/b')
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t.put_multi([('dir_a/a', 'contents of dir_a/a'),
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('dir_b/b', 'contents of dir_b/b')])
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for f in ('dir_a/a', 'dir_b/b'):
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self.assertEqual(t.get(f).read(), open(f).read())
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def test_copy_to(self):
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from bzrlib.transport.local import LocalTransport
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t = self.get_transport()
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files = ['a', 'b', 'c', 'd']
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self.build_tree(files)
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dtmp = tempfile.mkdtemp(dir='.', prefix='test-transport-')
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dtmp_base = os.path.basename(dtmp)
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local_t = LocalTransport(dtmp)
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t.copy_to(files, local_t)
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self.assertEquals(open(f).read(),
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open(os.path.join(dtmp_base, f)).read())
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del dtmp, dtmp_base, local_t
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dtmp = tempfile.mkdtemp(dir='.', prefix='test-transport-')
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dtmp_base = os.path.basename(dtmp)
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local_t = LocalTransport(dtmp)
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files = ['a', 'b', 'c', 'd']
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t.copy_to(iter(files), local_t)
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self.assertEquals(open(f).read(),
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open(os.path.join(dtmp_base, f)).read())
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del dtmp, dtmp_base, local_t
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def test_append(self):
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t = self.get_transport()
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open('a', 'wb').write('diff\ncontents for\na\n')
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open('b', 'wb').write('contents\nfor b\n')
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('a', 'diff\ncontents for\na\n'),
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('b', 'contents\nfor b\n')
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self.assertRaises(TransportNotPossible,
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t.append, 'a', 'add\nsome\nmore\ncontents\n')
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_append('a', 'add\nsome\nmore\ncontents\n')
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t.append('a', 'add\nsome\nmore\ncontents\n')
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self.check_file_contents('a',
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'diff\ncontents for\na\nadd\nsome\nmore\ncontents\n')
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self.assertRaises(TransportNotPossible,
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[('a', 'and\nthen\nsome\nmore\n'),
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('b', 'some\nmore\nfor\nb\n')])
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_append('a', 'and\nthen\nsome\nmore\n')
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_append('b', 'some\nmore\nfor\nb\n')
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t.append_multi([('a', 'and\nthen\nsome\nmore\n'),
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('b', 'some\nmore\nfor\nb\n')])
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self.check_file_contents('a',
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'diff\ncontents for\na\n'
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'add\nsome\nmore\ncontents\n'
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'and\nthen\nsome\nmore\n')
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self.check_file_contents('b',
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'some\nmore\nfor\nb\n')
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_append('a', 'a little bit more\n')
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_append('b', 'from an iterator\n')
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t.append_multi(iter([('a', 'a little bit more\n'),
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('b', 'from an iterator\n')]))
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self.check_file_contents('a',
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'diff\ncontents for\na\n'
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'add\nsome\nmore\ncontents\n'
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'and\nthen\nsome\nmore\n'
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'a little bit more\n')
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self.check_file_contents('b',
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'some\nmore\nfor\nb\n'
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'from an iterator\n')
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def test_append_file(self):
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t = self.get_transport()
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('f1', 'this is a string\nand some more stuff\n'),
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('f2', 'here is some text\nand a bit more\n'),
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('f3', 'some text for the\nthird file created\n'),
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('f4', 'this is a string\nand some more stuff\n'),
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('f5', 'here is some text\nand a bit more\n'),
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('f6', 'some text for the\nthird file created\n')
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for f, val in contents:
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open(f, 'wb').write(val)
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t.put_multi(contents)
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a1 = StringIO('appending to\none\n')
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_append('f1', a1.read())
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self.check_file_contents('f1',
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'this is a string\nand some more stuff\n'
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'appending to\none\n')
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a2 = StringIO('adding more\ntext to two\n')
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a3 = StringIO('some garbage\nto put in three\n')
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_append('f2', a2.read())
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_append('f3', a3.read())
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t.append_multi([('f2', a2), ('f3', a3)])
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self.check_file_contents('f2',
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'here is some text\nand a bit more\n'
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'adding more\ntext to two\n')
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self.check_file_contents('f3',
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'some text for the\nthird file created\n'
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'some garbage\nto put in three\n')
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# Test that an actual file object can be used with put
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a4 = open('f1', 'rb')
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_append('f4', a4.read())
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self.check_file_contents('f4',
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'this is a string\nand some more stuff\n'
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'this is a string\nand some more stuff\n'
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'appending to\none\n')
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a5 = open('f2', 'rb')
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a6 = open('f3', 'rb')
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_append('f5', a5.read())
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_append('f6', a6.read())
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t.append_multi([('f5', a5), ('f6', a6)])
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self.check_file_contents('f5',
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'here is some text\nand a bit more\n'
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'here is some text\nand a bit more\n'
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'adding more\ntext to two\n')
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self.check_file_contents('f6',
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'some text for the\nthird file created\n'
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'some text for the\nthird file created\n'
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'some garbage\nto put in three\n')
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def test_get_partial(self):
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t = self.get_transport()
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'here is some text\nand a bit more\n'
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'adding more\ntext to two\n'),
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'this is a string\nand some more stuff\n'
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'appending to\none\n'),
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'some text for the\nthird file created\n'
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'some garbage\nto put in three\n')
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for f, val in contents:
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open(f, 'wb').write(val)
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t.put_multi(contents)
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self.assertRaises(NoSuchFile,
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t.get_partial, 'a-missing-file', 20)
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self.assertRaises(NoSuchFile,
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t.get_partial, 'another-missing-file', 20, 30)
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f = t.get_partial('f1', 33)
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self.assertEqual(f.read(),
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'adding more\ntext to two\n')
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f = t.get_partial('f1', 33, 10)
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self.assertEqual(f.read(10),
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offsets = [('f2', 37), ('f3', 20, 10), ('f1', 10, 20)]
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values = ['appending to\none\n',
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'me text\nand a bit mo'
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contents_f = t.get_partial_multi(offsets)
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for f, val in zip(contents_f, values):
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self.assertEqual(val, f.read(len(val)))
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# Make sure we saw all values, and no extra
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self.assertEqual(len(values), count)
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self.assertEqual(list(contents_f), [])
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# Do the same thing with an iterator
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offsets = iter([('f2', 34), ('f3', 18, 10), ('f1', 15, 15)])
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values = ['ff\nappending to\none\n',
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contents_f = t.get_partial_multi(offsets)
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for f, val in zip(contents_f, values):
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self.assertEqual(val, f.read(len(val)))
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self.assertEqual(len(values), count)
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self.assertEqual(list(contents_f), [])
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def test_delete(self):
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# TODO: Test Transport.delete
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# TODO: Test Transport.move
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class LocalTransportTest(TestCaseInTempDir, TestTransportMixIn):
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def get_transport(self):
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from bzrlib.transport.local import LocalTransport
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return LocalTransport('.')
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class HttpTransportTest(TestCaseWithWebserver, TestTransportMixIn):
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def get_transport(self):
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from bzrlib.transport.http import HttpTransport
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url = self.get_remote_url('.')
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return HttpTransport(url)