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# Copyright (C) 2013 Canonical Ltd.
# Author: Colin Watson <cjwatson@ubuntu.com>
# 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; version 3 of the License.
#
# 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, see <http://www.gnu.org/licenses/>.
"""Unit tests for click_package.arfile."""
from __future__ import print_function
__metaclass__ = type
__all__ = [
'TestArFile',
]
import os
import subprocess
from click_package.arfile import ArFile
from click_package.tests.helpers import TestCase, touch
class TestArFile(TestCase):
def setUp(self):
super(TestArFile, self).setUp()
self.use_temp_dir()
def test_init_rejects_mode_r(self):
self.assertRaises(ValueError, ArFile, mode="r")
def test_init_name(self):
path = os.path.join(self.temp_dir, "foo.a")
with ArFile(name=path, mode="w") as arfile:
self.assertEqual("w", arfile.mode)
self.assertEqual("wb", arfile.real_mode)
self.assertEqual(path, arfile.name)
self.assertEqual(path, arfile.fileobj.name)
self.assertTrue(arfile.opened_fileobj)
self.assertFalse(arfile.closed)
def test_init_rejects_readonly_fileobj(self):
path = os.path.join(self.temp_dir, "foo.a")
touch(path)
with open(path, "rb") as fileobj:
self.assertRaises(ValueError, ArFile, fileobj=fileobj)
def test_init_fileobj(self):
path = os.path.join(self.temp_dir, "foo.a")
with open(path, "wb") as fileobj:
arfile = ArFile(fileobj=fileobj)
self.assertEqual("w", arfile.mode)
self.assertEqual("wb", arfile.real_mode)
self.assertEqual(path, arfile.name)
self.assertEqual(fileobj, arfile.fileobj)
self.assertFalse(arfile.opened_fileobj)
self.assertFalse(arfile.closed)
def test_writes_valid_ar_file(self):
member_path = os.path.join(self.temp_dir, "member")
with open(member_path, "wb") as member:
member.write(b"\x00\x01\x02\x03\x04\x05\x06\x07")
path = os.path.join(self.temp_dir, "foo.a")
with ArFile(name=path, mode="w") as arfile:
arfile.add_magic()
arfile.add_data("data-member", b"some data")
arfile.add_file("file-member", member_path)
extract_path = os.path.join(self.temp_dir, "extract")
os.mkdir(extract_path)
subprocess.call(["ar", "x", path], cwd=extract_path)
self.assertCountEqual(
["data-member", "file-member"], os.listdir(extract_path))
with open(os.path.join(extract_path, "data-member"), "rb") as member:
self.assertEqual(b"some data", member.read())
with open(os.path.join(extract_path, "file-member"), "rb") as member:
self.assertEqual(
b"\x00\x01\x02\x03\x04\x05\x06\x07", member.read())
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