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import os
from StringIO import StringIO
from shutil import rmtree, copy2, copytree
import tarfile
import tempfile
from unittest import makeSuite
from bzrlib import osutils
from bzrlib.bzrdir import BzrDir
from bzrlib.plugins.bzrtools.upstream_import import (
common_directory,
import_archive,
import_tar,
import_zip,
import_dir,
top_path,
ZipFileWrapper,
)
from bzrlib.tests import TestCaseInTempDir
def import_tar_broken(tree, tar_input):
"""
Import a tarfile with names that that end in //, e.g. Feisty Python 2.5
"""
tar_file = tarfile.open('lala', 'r', tar_input)
for member in tar_file.members:
if member.name.endswith('/'):
member.name += '/'
import_archive(tree, tar_file)
class DirFileWriter(object):
def __init__(self, fileobj, mode):
# We may be asked to 'append'. If so, fileobj already has a path.
# So we copy the existing tree, and overwrite afterward.
fileobj.seek(0)
existing = fileobj.read()
fileobj.seek(0)
path = tempfile.mkdtemp(dir=os.getcwd())
if existing != '':
# copytree requires the directory not to exist
os.rmdir(path)
copytree(existing, path)
fileobj.write(path)
self.root = path
def add(self, path):
target_path = os.path.join(self.root, path)
parent = osutils.dirname(target_path)
if not os.path.exists(parent):
os.makedirs(parent)
kind = osutils.file_kind(path)
if kind == 'file':
copy2(path, target_path)
if kind == 'directory':
os.mkdir(target_path)
def close(self):
pass
class TestImport(TestCaseInTempDir):
def make_tar(self, mode='w'):
def maker(fileobj):
return tarfile.open('project-0.1.tar', mode, fileobj)
return self.make_archive(maker)
def make_archive(self, maker, subdir=True):
result = StringIO()
archive_file = maker(result)
try:
os.mkdir('project-0.1')
if subdir:
prefix='project-0.1/'
archive_file.add('project-0.1')
else:
prefix=''
os.chdir('project-0.1')
os.mkdir(prefix + 'junk')
archive_file.add(prefix + 'junk')
f = file(prefix + 'README', 'wb')
f.write('What?')
f.close()
archive_file.add(prefix + 'README')
f = file(prefix + 'FEEDME', 'wb')
f.write('Hungry!!')
f.close()
archive_file.add(prefix + 'FEEDME')
archive_file.close()
finally:
if not subdir:
os.chdir('..')
rmtree('project-0.1')
result.seek(0)
return result
def make_archive2(self, builder, subdir):
result = StringIO()
archive_file = builder(result)
os.mkdir('project-0.2')
try:
if subdir:
prefix='project-0.2/'
archive_file.add('project-0.2')
else:
prefix=''
os.chdir('project-0.2')
os.mkdir(prefix + 'junk')
archive_file.add(prefix + 'junk')
f = file(prefix + 'README', 'wb')
f.write('Now?')
f.close()
archive_file.add(prefix + 'README')
archive_file.close()
archive_file = builder(result, 'a')
archive_file.add(prefix + 'README')
archive_file.close()
finally:
if not subdir:
os.chdir('..')
result.seek(0)
return result
def make_messed_tar(self):
result = StringIO()
tar_file = tarfile.open('project-0.1.tar', 'w', result)
os.mkdir('project-0.1')
tar_file.add('project-0.1')
os.mkdir('project-0.2')
tar_file.add('project-0.2')
f = file('project-0.1/README', 'wb')
f.write('What?')
f.close()
tar_file.add('project-0.1/README')
tar_file.close()
rmtree('project-0.1')
result.seek(0)
return result
def make_zip(self):
def maker(fileobj):
return ZipFileWrapper(fileobj, 'w')
return self.make_archive(maker)
def make_tar_with_bzrdir(self):
result = StringIO()
tar_file = tarfile.open('tar-with-bzrdir.tar', 'w', result)
os.mkdir('toplevel-dir')
tar_file.add('toplevel-dir')
os.mkdir('toplevel-dir/.bzr')
tar_file.add('toplevel-dir/.bzr')
tar_file.close()
rmtree('toplevel-dir')
result.seek(0)
return result
def test_top_path(self):
self.assertEqual(top_path('ab/b/c'), 'ab')
self.assertEqual(top_path('etc'), 'etc')
self.assertEqual(top_path('project-0.1'), 'project-0.1')
def test_common_directory(self):
self.assertEqual(common_directory(['ab/c/d', 'ab/c/e']), 'ab')
self.assertIs(common_directory(['ab/c/d', 'ac/c/e']), None)
self.assertEqual('FEEDME', common_directory(['FEEDME']))
def test_untar(self):
def builder(fileobj, mode='w'):
return tarfile.open('project-0.1.tar', mode, fileobj)
self.archive_test(builder, import_tar)
def test_broken_tar(self):
def builder(fileobj, mode='w'):
return tarfile.open('project-0.1.tar', mode, fileobj)
self.archive_test(builder, import_tar_broken, subdir=True)
def test_unzip(self):
def builder(fileobj, mode='w'):
return ZipFileWrapper(fileobj, mode)
self.archive_test(builder, import_zip)
def test_copydir_nosub(self):
def builder(fileobj, mode='w'):
return DirFileWriter(fileobj, mode)
# It would be bogus to test with the result in a subdirectory,
# because for directories, the input root is always the output root.
self.archive_test(builder, import_dir)
def archive_test(self, builder, importer, subdir=False):
archive_file = self.make_archive(builder, subdir)
tree = BzrDir.create_standalone_workingtree('tree')
tree.lock_write()
try:
importer(tree, archive_file)
self.assertTrue(tree.path2id('README') is not None)
self.assertTrue(tree.path2id('FEEDME') is not None)
self.assertTrue(os.path.isfile(tree.abspath('README')))
self.assertEqual(tree.inventory[tree.path2id('README')].kind,
'file')
self.assertEqual(tree.inventory[tree.path2id('FEEDME')].kind,
'file')
f = file(tree.abspath('junk/food'), 'wb')
f.write('I like food\n')
f.close()
archive_file = self.make_archive2(builder, subdir)
importer(tree, archive_file)
self.assertTrue(tree.path2id('README') is not None)
self.assertTrue(not os.path.exists(tree.abspath('FEEDME')))
finally:
tree.unlock()
def test_untar2(self):
tar_file = self.make_messed_tar()
tree = BzrDir.create_standalone_workingtree('tree')
import_tar(tree, tar_file)
self.assertTrue(tree.path2id('project-0.1/README') is not None)
def test_untar_gzip(self):
tar_file = self.make_tar(mode='w:gz')
tree = BzrDir.create_standalone_workingtree('tree')
import_tar(tree, tar_file)
self.assertTrue(tree.path2id('README') is not None)
def test_no_crash_with_bzrdir(self):
tar_file = self.make_tar_with_bzrdir()
tree = BzrDir.create_standalone_workingtree('tree')
import_tar(tree, tar_file)
# So long as it did not crash, that should be ok
def test_suite():
return makeSuite(TestImport)
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