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# Copyright (C) 2004, 2005 by Canonical Ltd
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os
from cStringIO import StringIO
from bzrlib.selftest import TestCaseInTempDir
from bzrlib.selftest.HTTPTestUtil import TestCaseWithWebserver
from bzrlib.errors import NoSuchFile, FileExists, TransportNotPossible
def _append(fn, txt):
"""Append the given text (file-like object) to the supplied filename."""
f = open(fn, 'ab')
f.write(txt)
f.flush()
f.close()
del f
class TestTransportMixIn(object):
"""Subclass this, and it will provide a series of tests for a Transport.
It assumes that the Transport object is connected to the
current working directory. So that whatever is done
through the transport, should show up in the working
directory, and vice-versa.
This also tests to make sure that the functions work with both
generators and lists (assuming iter(list) is effectively a generator)
"""
readonly = False
def get_transport(self):
"""Children should override this to return the Transport object.
"""
raise NotImplementedError
def test_has(self):
t = self.get_transport()
files = ['a', 'b', 'e', 'g']
self.build_tree(files)
self.assertEqual(t.has('a'), True)
self.assertEqual(t.has('c'), False)
self.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'])),
[True, True, False, False, True, False, True, False])
self.assertEqual(list(t.has_multi(iter(['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']))),
[True, True, False, False, True, False, True, False])
def test_get(self):
t = self.get_transport()
files = ['a', 'b', 'e', 'g']
self.build_tree(files)
self.assertEqual(t.get('a').read(), open('a').read())
content_f = t.get_multi(files)
for path,f in zip(files, content_f):
self.assertEqual(open(path).read(), f.read())
content_f = t.get_multi(iter(files))
for path,f in zip(files, content_f):
self.assertEqual(open(path).read(), f.read())
self.assertRaises(NoSuchFile, t.get, 'c')
try:
files = list(t.get_multi(['a', 'b', 'c']))
except NoSuchFile:
pass
else:
self.fail('Failed to raise NoSuchFile for missing file in get_multi')
try:
files = list(t.get_multi(iter(['a', 'b', 'c', 'e'])))
except NoSuchFile:
pass
else:
self.fail('Failed to raise NoSuchFile for missing file in get_multi')
def test_put(self):
t = self.get_transport()
if self.readonly:
self.assertRaises(TransportNotPossible,
t.put, 'a', 'some text for a\n')
open('a', 'wb').write('some text for a\n')
else:
t.put('a', 'some text for a\n')
self.assert_(os.path.exists('a'))
self.check_file_contents('a', 'some text for a\n')
self.assertEqual(t.get('a').read(), 'some text for a\n')
# Make sure 'has' is updated
self.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd', 'e'])),
[True, False, False, False, False])
if self.readonly:
self.assertRaises(TransportNotPossible,
t.put_multi,
[('a', 'new\ncontents for\na\n'),
('d', 'contents\nfor d\n')])
open('a', 'wb').write('new\ncontents for\na\n')
open('d', 'wb').write('contents\nfor d\n')
else:
# Put also replaces contents
self.assertEqual(t.put_multi([('a', 'new\ncontents for\na\n'),
('d', 'contents\nfor d\n')]),
2)
self.assertEqual(list(t.has_multi(['a', 'b', 'c', 'd', 'e'])),
[True, False, False, True, False])
self.check_file_contents('a', 'new\ncontents for\na\n')
self.check_file_contents('d', 'contents\nfor d\n')
if self.readonly:
self.assertRaises(TransportNotPossible,
t.put_multi, iter([('a', 'diff\ncontents for\na\n'),
('d', 'another contents\nfor d\n')]))
open('a', 'wb').write('diff\ncontents for\na\n')
open('d', 'wb').write('another contents\nfor d\n')
else:
self.assertEqual(
t.put_multi(iter([('a', 'diff\ncontents for\na\n'),
('d', 'another contents\nfor d\n')]))
, 2)
self.check_file_contents('a', 'diff\ncontents for\na\n')
self.check_file_contents('d', 'another contents\nfor d\n')
if self.readonly:
self.assertRaises(TransportNotPossible,
t.put, 'path/doesnt/exist/c', 'contents')
else:
self.assertRaises(NoSuchFile,
t.put, 'path/doesnt/exist/c', 'contents')
def test_put_file(self):
t = self.get_transport()
# Test that StringIO can be used as a file-like object with put
f1 = StringIO('this is a string\nand some more stuff\n')
if self.readonly:
open('f1', 'wb').write(f1.read())
else:
t.put('f1', f1)
del f1
self.check_file_contents('f1',
'this is a string\nand some more stuff\n')
f2 = StringIO('here is some text\nand a bit more\n')
f3 = StringIO('some text for the\nthird file created\n')
if self.readonly:
open('f2', 'wb').write(f2.read())
open('f3', 'wb').write(f3.read())
else:
t.put_multi([('f2', f2), ('f3', f3)])
del f2, f3
self.check_file_contents('f2', 'here is some text\nand a bit more\n')
self.check_file_contents('f3', 'some text for the\nthird file created\n')
# Test that an actual file object can be used with put
f4 = open('f1', 'rb')
if self.readonly:
open('f4', 'wb').write(f4.read())
else:
t.put('f4', f4)
del f4
self.check_file_contents('f4',
'this is a string\nand some more stuff\n')
f5 = open('f2', 'rb')
f6 = open('f3', 'rb')
if self.readonly:
open('f5', 'wb').write(f5.read())
open('f6', 'wb').write(f6.read())
else:
t.put_multi([('f5', f5), ('f6', f6)])
del f5, f6
self.check_file_contents('f5', 'here is some text\nand a bit more\n')
self.check_file_contents('f6', 'some text for the\nthird file created\n')
def test_mkdir(self):
t = self.get_transport()
# Test mkdir
os.mkdir('dir_a')
self.assertEqual(t.has('dir_a'), True)
self.assertEqual(t.has('dir_b'), False)
if self.readonly:
self.assertRaises(TransportNotPossible,
t.mkdir, 'dir_b')
os.mkdir('dir_b')
else:
t.mkdir('dir_b')
self.assertEqual(t.has('dir_b'), True)
self.assert_(os.path.isdir('dir_b'))
if self.readonly:
self.assertRaises(TransportNotPossible,
t.mkdir_multi, ['dir_c', 'dir_d'])
os.mkdir('dir_c')
os.mkdir('dir_d')
else:
t.mkdir_multi(['dir_c', 'dir_d'])
if self.readonly:
self.assertRaises(TransportNotPossible,
t.mkdir_multi, iter(['dir_e', 'dir_f']))
os.mkdir('dir_e')
os.mkdir('dir_f')
else:
t.mkdir_multi(iter(['dir_e', 'dir_f']))
self.assertEqual(list(t.has_multi(
['dir_a', 'dir_b', 'dir_c', 'dir_q',
'dir_d', 'dir_e', 'dir_f', 'dir_b'])),
[True, True, True, False,
True, True, True, True])
for d in ['dir_a', 'dir_b', 'dir_c', 'dir_d', 'dir_e', 'dir_f']:
self.assert_(os.path.isdir(d))
if not self.readonly:
self.assertRaises(NoSuchFile, t.mkdir, 'path/doesnt/exist')
self.assertRaises(FileExists, t.mkdir, 'dir_a') # Creating a directory again should fail
# Make sure the transport recognizes when a
# directory is created by other means
# Caching Transports will fail, because dir_e was already seen not
# to exist. So instead, we will search for a new directory
#os.mkdir('dir_e')
#if not self.readonly:
# self.assertRaises(FileExists, t.mkdir, 'dir_e')
os.mkdir('dir_g')
if not self.readonly:
self.assertRaises(FileExists, t.mkdir, 'dir_g')
# Test get/put in sub-directories
if self.readonly:
open('dir_a/a', 'wb').write('contents of dir_a/a')
open('dir_b/b', 'wb').write('contents of dir_b/b')
else:
self.assertEqual(
t.put_multi([('dir_a/a', 'contents of dir_a/a'),
('dir_b/b', 'contents of dir_b/b')])
, 2)
for f in ('dir_a/a', 'dir_b/b'):
self.assertEqual(t.get(f).read(), open(f).read())
def test_copy_to(self):
import tempfile
from bzrlib.transport.local import LocalTransport
t = self.get_transport()
files = ['a', 'b', 'c', 'd']
self.build_tree(files)
dtmp = tempfile.mkdtemp(dir='.', prefix='test-transport-')
dtmp_base = os.path.basename(dtmp)
local_t = LocalTransport(dtmp)
t.copy_to(files, local_t)
for f in files:
self.assertEquals(open(f).read(),
open(os.path.join(dtmp_base, f)).read())
del dtmp, dtmp_base, local_t
dtmp = tempfile.mkdtemp(dir='.', prefix='test-transport-')
dtmp_base = os.path.basename(dtmp)
local_t = LocalTransport(dtmp)
files = ['a', 'b', 'c', 'd']
t.copy_to(iter(files), local_t)
for f in files:
self.assertEquals(open(f).read(),
open(os.path.join(dtmp_base, f)).read())
del dtmp, dtmp_base, local_t
def test_append(self):
t = self.get_transport()
if self.readonly:
open('a', 'wb').write('diff\ncontents for\na\n')
open('b', 'wb').write('contents\nfor b\n')
else:
t.put_multi([
('a', 'diff\ncontents for\na\n'),
('b', 'contents\nfor b\n')
])
if self.readonly:
self.assertRaises(TransportNotPossible,
t.append, 'a', 'add\nsome\nmore\ncontents\n')
_append('a', 'add\nsome\nmore\ncontents\n')
else:
t.append('a', 'add\nsome\nmore\ncontents\n')
self.check_file_contents('a',
'diff\ncontents for\na\nadd\nsome\nmore\ncontents\n')
if self.readonly:
self.assertRaises(TransportNotPossible,
t.append_multi,
[('a', 'and\nthen\nsome\nmore\n'),
('b', 'some\nmore\nfor\nb\n')])
_append('a', 'and\nthen\nsome\nmore\n')
_append('b', 'some\nmore\nfor\nb\n')
else:
t.append_multi([('a', 'and\nthen\nsome\nmore\n'),
('b', 'some\nmore\nfor\nb\n')])
self.check_file_contents('a',
'diff\ncontents for\na\n'
'add\nsome\nmore\ncontents\n'
'and\nthen\nsome\nmore\n')
self.check_file_contents('b',
'contents\nfor b\n'
'some\nmore\nfor\nb\n')
if self.readonly:
_append('a', 'a little bit more\n')
_append('b', 'from an iterator\n')
else:
t.append_multi(iter([('a', 'a little bit more\n'),
('b', 'from an iterator\n')]))
self.check_file_contents('a',
'diff\ncontents for\na\n'
'add\nsome\nmore\ncontents\n'
'and\nthen\nsome\nmore\n'
'a little bit more\n')
self.check_file_contents('b',
'contents\nfor b\n'
'some\nmore\nfor\nb\n'
'from an iterator\n')
def test_append_file(self):
t = self.get_transport()
contents = [
('f1', 'this is a string\nand some more stuff\n'),
('f2', 'here is some text\nand a bit more\n'),
('f3', 'some text for the\nthird file created\n'),
('f4', 'this is a string\nand some more stuff\n'),
('f5', 'here is some text\nand a bit more\n'),
('f6', 'some text for the\nthird file created\n')
]
if self.readonly:
for f, val in contents:
open(f, 'wb').write(val)
else:
t.put_multi(contents)
a1 = StringIO('appending to\none\n')
if self.readonly:
_append('f1', a1.read())
else:
t.append('f1', a1)
del a1
self.check_file_contents('f1',
'this is a string\nand some more stuff\n'
'appending to\none\n')
a2 = StringIO('adding more\ntext to two\n')
a3 = StringIO('some garbage\nto put in three\n')
if self.readonly:
_append('f2', a2.read())
_append('f3', a3.read())
else:
t.append_multi([('f2', a2), ('f3', a3)])
del a2, a3
self.check_file_contents('f2',
'here is some text\nand a bit more\n'
'adding more\ntext to two\n')
self.check_file_contents('f3',
'some text for the\nthird file created\n'
'some garbage\nto put in three\n')
# Test that an actual file object can be used with put
a4 = open('f1', 'rb')
if self.readonly:
_append('f4', a4.read())
else:
t.append('f4', a4)
del a4
self.check_file_contents('f4',
'this is a string\nand some more stuff\n'
'this is a string\nand some more stuff\n'
'appending to\none\n')
a5 = open('f2', 'rb')
a6 = open('f3', 'rb')
if self.readonly:
_append('f5', a5.read())
_append('f6', a6.read())
else:
t.append_multi([('f5', a5), ('f6', a6)])
del a5, a6
self.check_file_contents('f5',
'here is some text\nand a bit more\n'
'here is some text\nand a bit more\n'
'adding more\ntext to two\n')
self.check_file_contents('f6',
'some text for the\nthird file created\n'
'some text for the\nthird file created\n'
'some garbage\nto put in three\n')
def test_get_partial(self):
t = self.get_transport()
contents = [
('f1',
'here is some text\nand a bit more\n'
'adding more\ntext to two\n'),
('f2',
'this is a string\nand some more stuff\n'
'appending to\none\n'),
('f3',
'some text for the\nthird file created\n'
'some garbage\nto put in three\n')
]
if self.readonly:
for f, val in contents:
open(f, 'wb').write(val)
else:
t.put_multi(contents)
self.assertRaises(NoSuchFile,
t.get_partial, 'a-missing-file', 20)
self.assertRaises(NoSuchFile,
t.get_partial, 'another-missing-file', 20, 30)
f = t.get_partial('f1', 33)
self.assertEqual(f.read(),
'adding more\ntext to two\n')
f = t.get_partial('f1', 33, 10)
self.assertEqual(f.read(10),
'adding mor')
del f
offsets = [('f2', 37), ('f3', 20, 10), ('f1', 10, 20)]
values = ['appending to\none\n',
'ird file c',
'me text\nand a bit mo'
]
contents_f = t.get_partial_multi(offsets)
count = 0
for f, val in zip(contents_f, values):
count += 1
self.assertEqual(val, f.read(len(val)))
# Make sure we saw all values, and no extra
self.assertEqual(len(values), count)
self.assertEqual(list(contents_f), [])
# Do the same thing with an iterator
offsets = iter([('f2', 34), ('f3', 18, 10), ('f1', 15, 15)])
values = ['ff\nappending to\none\n',
'third file',
'xt\nand a bit mo'
]
contents_f = t.get_partial_multi(offsets)
count = 0
for f, val in zip(contents_f, values):
count += 1
self.assertEqual(val, f.read(len(val)))
self.assertEqual(len(values), count)
self.assertEqual(list(contents_f), [])
def test_delete(self):
# TODO: Test Transport.delete
pass
def test_move(self):
# TODO: Test Transport.move
pass
class LocalTransportTest(TestCaseInTempDir, TestTransportMixIn):
def get_transport(self):
from bzrlib.transport.local import LocalTransport
return LocalTransport('.')
class HttpTransportTest(TestCaseWithWebserver, TestTransportMixIn):
readonly = True
def get_transport(self):
from bzrlib.transport.http import HttpTransport
url = self.get_remote_url('.')
return HttpTransport(url)
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