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# Copyright (C) 2009, 2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Tests for bzrlib.export."""
from cStringIO import StringIO
import os
import tarfile
import time
import zipfile
from bzrlib import (
errors,
export,
tests,
)
from bzrlib.export import get_root_name
from bzrlib.export.tar_exporter import export_tarball_generator
from bzrlib.tests import features
class TestDirExport(tests.TestCaseWithTransport):
def test_missing_file(self):
self.build_tree(['a/', 'a/b', 'a/c'])
wt = self.make_branch_and_tree('.')
wt.add(['a', 'a/b', 'a/c'])
os.unlink('a/c')
export.export(wt, 'target', format="dir")
self.assertPathExists('target/a/b')
self.assertPathDoesNotExist('target/a/c')
def test_empty(self):
wt = self.make_branch_and_tree('.')
export.export(wt, 'target', format="dir")
self.assertEquals([], os.listdir("target"))
def test_symlink(self):
self.requireFeature(features.SymlinkFeature)
wt = self.make_branch_and_tree('.')
os.symlink('source', 'link')
wt.add(['link'])
export.export(wt, 'target', format="dir")
self.assertPathExists('target/link')
def test_to_existing_empty_dir_success(self):
self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
wt = self.make_branch_and_tree('source')
wt.add(['a', 'b', 'b/c'])
wt.commit('1')
self.build_tree(['target/'])
export.export(wt, 'target', format="dir")
self.assertPathExists('target/a')
self.assertPathExists('target/b')
self.assertPathExists('target/b/c')
def test_empty_subdir(self):
self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
wt = self.make_branch_and_tree('source')
wt.add(['a', 'b', 'b/c'])
wt.commit('1')
self.build_tree(['target/'])
export.export(wt, 'target', format="dir", subdir='')
self.assertPathExists('target/a')
self.assertPathExists('target/b')
self.assertPathExists('target/b/c')
def test_to_existing_nonempty_dir_fail(self):
self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
wt = self.make_branch_and_tree('source')
wt.add(['a', 'b', 'b/c'])
wt.commit('1')
self.build_tree(['target/', 'target/foo'])
self.assertRaises(errors.BzrError,
export.export, wt, 'target', format="dir")
def test_existing_single_file(self):
self.build_tree([
'dir1/', 'dir1/dir2/', 'dir1/first', 'dir1/dir2/second'])
wtree = self.make_branch_and_tree('dir1')
wtree.add(['dir2', 'first', 'dir2/second'])
wtree.commit('1')
export.export(wtree, 'target1', format='dir', subdir='first')
self.assertPathExists('target1/first')
export.export(wtree, 'target2', format='dir', subdir='dir2/second')
self.assertPathExists('target2/second')
def test_files_same_timestamp(self):
builder = self.make_branch_builder('source')
builder.start_series()
builder.build_snapshot(None, None, [
('add', ('', 'root-id', 'directory', '')),
('add', ('a', 'a-id', 'file', 'content\n'))])
builder.build_snapshot(None, None, [
('add', ('b', 'b-id', 'file', 'content\n'))])
builder.finish_series()
b = builder.get_branch()
b.lock_read()
self.addCleanup(b.unlock)
tree = b.basis_tree()
orig_iter_files_bytes = tree.iter_files_bytes
# Make iter_files_bytes slower, so we provoke mtime skew
def iter_files_bytes(to_fetch):
for thing in orig_iter_files_bytes(to_fetch):
yield thing
time.sleep(1)
tree.iter_files_bytes = iter_files_bytes
export.export(tree, 'target', format='dir')
t = self.get_transport('target')
st_a = t.stat('a')
st_b = t.stat('b')
# All files must be given the same mtime.
self.assertEqual(st_a.st_mtime, st_b.st_mtime)
def test_files_per_file_timestamps(self):
builder = self.make_branch_builder('source')
builder.start_series()
# Earliest allowable date on FAT32 filesystems is 1980-01-01
a_time = time.mktime((1999, 12, 12, 0, 0, 0, 0, 0, 0))
b_time = time.mktime((1980, 01, 01, 0, 0, 0, 0, 0, 0))
builder.build_snapshot(None, None, [
('add', ('', 'root-id', 'directory', '')),
('add', ('a', 'a-id', 'file', 'content\n'))],
timestamp=a_time)
builder.build_snapshot(None, None, [
('add', ('b', 'b-id', 'file', 'content\n'))],
timestamp=b_time)
builder.finish_series()
b = builder.get_branch()
b.lock_read()
self.addCleanup(b.unlock)
tree = b.basis_tree()
export.export(tree, 'target', format='dir', per_file_timestamps=True)
t = self.get_transport('target')
self.assertEqual(a_time, t.stat('a').st_mtime)
self.assertEqual(b_time, t.stat('b').st_mtime)
def test_subdir_files_per_timestamps(self):
builder = self.make_branch_builder('source')
builder.start_series()
foo_time = time.mktime((1999, 12, 12, 0, 0, 0, 0, 0, 0))
builder.build_snapshot(None, None, [
('add', ('', 'root-id', 'directory', '')),
('add', ('subdir', 'subdir-id', 'directory', '')),
('add', ('subdir/foo.txt', 'foo-id', 'file', 'content\n'))],
timestamp=foo_time)
builder.finish_series()
b = builder.get_branch()
b.lock_read()
self.addCleanup(b.unlock)
tree = b.basis_tree()
export.export(tree, 'target', format='dir', subdir='subdir',
per_file_timestamps=True)
t = self.get_transport('target')
self.assertEquals(foo_time, t.stat('foo.txt').st_mtime)
class TarExporterTests(tests.TestCaseWithTransport):
def test_xz(self):
self.requireFeature(features.lzma)
import lzma
wt = self.make_branch_and_tree('.')
self.build_tree(['a'])
wt.add(["a"])
wt.commit("1")
export.export(wt, 'target.tar.xz', format="txz")
tf = tarfile.open(fileobj=lzma.LZMAFile('target.tar.xz'))
self.assertEquals(["target/a"], tf.getnames())
def test_lzma(self):
self.requireFeature(features.lzma)
import lzma
wt = self.make_branch_and_tree('.')
self.build_tree(['a'])
wt.add(["a"])
wt.commit("1")
export.export(wt, 'target.tar.lzma', format="tlzma")
tf = tarfile.open(fileobj=lzma.LZMAFile('target.tar.lzma'))
self.assertEquals(["target/a"], tf.getnames())
def test_tgz(self):
wt = self.make_branch_and_tree('.')
self.build_tree(['a'])
wt.add(["a"])
wt.commit("1")
export.export(wt, 'target.tar.gz', format="tgz")
tf = tarfile.open('target.tar.gz')
self.assertEquals(["target/a"], tf.getnames())
def test_tgz_ignores_dest_path(self):
# The target path should not be a part of the target file.
# (bug #102234)
wt = self.make_branch_and_tree('.')
self.build_tree(['a'])
wt.add(["a"])
wt.commit("1")
os.mkdir("testdir1")
os.mkdir("testdir2")
export.export(wt, 'testdir1/target.tar.gz', format="tgz",
per_file_timestamps=True)
export.export(wt, 'testdir2/target.tar.gz', format="tgz",
per_file_timestamps=True)
file1 = open('testdir1/target.tar.gz', 'r')
self.addCleanup(file1.close)
file2 = open('testdir1/target.tar.gz', 'r')
self.addCleanup(file2.close)
content1 = file1.read()
content2 = file2.read()
self.assertEqualDiff(content1, content2)
# the gzip module doesn't have a way to read back to the original
# filename, but it's stored as-is in the tarfile.
self.assertFalse("testdir1" in content1)
self.assertFalse("target.tar.gz" in content1)
self.assertTrue("target.tar" in content1)
def test_tbz2(self):
wt = self.make_branch_and_tree('.')
self.build_tree(['a'])
wt.add(["a"])
wt.commit("1")
export.export(wt, 'target.tar.bz2', format="tbz2")
tf = tarfile.open('target.tar.bz2')
self.assertEquals(["target/a"], tf.getnames())
def test_xz_stdout(self):
wt = self.make_branch_and_tree('.')
self.assertRaises(errors.BzrError, export.export, wt, '-',
format="txz")
def test_export_tarball_generator(self):
wt = self.make_branch_and_tree('.')
self.build_tree(['a'])
wt.add(["a"])
wt.commit("1", timestamp=42)
target = StringIO()
ball = tarfile.open(None, "w|", target)
wt.lock_read()
try:
for _ in export_tarball_generator(wt, ball, "bar"):
pass
finally:
wt.unlock()
# Ball should now be closed.
target.seek(0)
ball2 = tarfile.open(None, "r", target)
self.addCleanup(ball2.close)
self.assertEquals(["bar/a"], ball2.getnames())
class ZipExporterTests(tests.TestCaseWithTransport):
def test_per_file_timestamps(self):
tree = self.make_branch_and_tree('.')
self.build_tree_contents([('har', 'foo')])
tree.add('har')
# Earliest allowable date on FAT32 filesystems is 1980-01-01
timestamp = 347151600
tree.commit('setup', timestamp=timestamp)
export.export(tree.basis_tree(), 'test.zip', format='zip',
per_file_timestamps=True)
zfile = zipfile.ZipFile('test.zip')
info = zfile.getinfo("test/har")
self.assertEquals(time.localtime(timestamp)[:6], info.date_time)
class RootNameTests(tests.TestCase):
def test_root_name(self):
self.assertEquals('mytest', get_root_name('../mytest.tar'))
self.assertEquals('mytar', get_root_name('mytar.tar'))
self.assertEquals('mytar', get_root_name('mytar.tar.bz2'))
self.assertEquals('tar.tar.tar', get_root_name('tar.tar.tar.tgz'))
self.assertEquals('bzr-0.0.5', get_root_name('bzr-0.0.5.tar.gz'))
self.assertEquals('bzr-0.0.5', get_root_name('bzr-0.0.5.zip'))
self.assertEquals('bzr-0.0.5', get_root_name('bzr-0.0.5'))
self.assertEquals('mytar', get_root_name('a/long/path/mytar.tgz'))
self.assertEquals('other',
get_root_name('../parent/../dir/other.tbz2'))
self.assertEquals('', get_root_name('-'))
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