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# Copyright 2014 Microsoft Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Requires Python 2.4+ and Openssl 1.0+
#
import uuid
import azurelinuxagent.common.utils.fileutil as fileutil
from azurelinuxagent.common.future import ustr
from tests.tools import *
class TestFileOperations(AgentTestCase):
def test_read_write_file(self):
test_file=os.path.join(self.tmp_dir, self.test_file)
content = ustr(uuid.uuid4())
fileutil.write_file(test_file, content)
content_read = fileutil.read_file(test_file)
self.assertEquals(content, content_read)
os.remove(test_file)
def test_rw_utf8_file(self):
test_file=os.path.join(self.tmp_dir, self.test_file)
content = u"\u6211"
fileutil.write_file(test_file, content, encoding="utf-8")
content_read = fileutil.read_file(test_file)
self.assertEquals(content, content_read)
os.remove(test_file)
def test_remove_bom(self):
test_file=os.path.join(self.tmp_dir, self.test_file)
data = b'\xef\xbb\xbfhehe'
fileutil.write_file(test_file, data, asbin=True)
data = fileutil.read_file(test_file, remove_bom=True)
self.assertNotEquals(0xbb, ord(data[0]))
def test_append_file(self):
test_file=os.path.join(self.tmp_dir, self.test_file)
content = ustr(uuid.uuid4())
fileutil.append_file(test_file, content)
content_read = fileutil.read_file(test_file)
self.assertEquals(content, content_read)
os.remove(test_file)
def test_get_last_path_element(self):
filepath = '/tmp/abc.def'
filename = fileutil.base_name(filepath)
self.assertEquals('abc.def', filename)
filepath = '/tmp/abc'
filename = fileutil.base_name(filepath)
self.assertEquals('abc', filename)
def test_remove_files(self):
import random
import string
import glob
random_word = lambda : ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(5))
#Create 10 test files
test_file = os.path.join(self.tmp_dir, self.test_file)
test_file2 = os.path.join(self.tmp_dir, 'another_file')
test_files = [test_file + random_word() for _ in range(5)] + \
[test_file2 + random_word() for _ in range(5)]
for file in test_files:
open(file, 'a').close()
#Remove files using fileutil.rm_files
test_file_pattern = test_file + '*'
test_file_pattern2 = test_file2 + '*'
fileutil.rm_files(test_file_pattern, test_file_pattern2)
self.assertEqual(0, len(glob.glob(os.path.join(self.tmp_dir, test_file_pattern))))
self.assertEqual(0, len(glob.glob(os.path.join(self.tmp_dir, test_file_pattern2))))
def test_get_all_files(self):
import random
import string
random_word = lambda: ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(5))
# Create 10 test files at the root dir and 10 other in the sub dir
test_file = os.path.join(self.tmp_dir, self.test_file)
test_file2 = os.path.join(self.tmp_dir, 'another_file')
expected_files = [test_file + random_word() for _ in range(5)] + \
[test_file2 + random_word() for _ in range(5)]
test_subdir = os.path.join(self.tmp_dir, 'test_dir')
os.mkdir(test_subdir)
test_file_in_subdir = os.path.join(test_subdir, self.test_file)
test_file_in_subdir2 = os.path.join(test_subdir, 'another_file')
expected_files.extend([test_file_in_subdir + random_word() for _ in range(5)] + \
[test_file_in_subdir2 + random_word() for _ in range(5)])
for file in expected_files:
open(file, 'a').close()
# Get All files using fileutil.get_all_files
actual_files = fileutil.get_all_files(self.tmp_dir)
self.assertEqual(set(expected_files), set(actual_files))
@patch('os.path.isfile')
def test_update_conf_file(self, _):
new_file = "\
DEVICE=eth0\n\
ONBOOT=yes\n\
BOOTPROTO=dhcp\n\
TYPE=Ethernet\n\
USERCTL=no\n\
PEERDNS=yes\n\
IPV6INIT=no\n\
NM_CONTROLLED=yes\n"
existing_file = "\
DEVICE=eth0\n\
ONBOOT=yes\n\
BOOTPROTO=dhcp\n\
TYPE=Ethernet\n\
DHCP_HOSTNAME=existing\n\
USERCTL=no\n\
PEERDNS=yes\n\
IPV6INIT=no\n\
NM_CONTROLLED=yes\n"
bad_file = "\
DEVICE=eth0\n\
ONBOOT=yes\n\
BOOTPROTO=dhcp\n\
TYPE=Ethernet\n\
USERCTL=no\n\
PEERDNS=yes\n\
IPV6INIT=no\n\
NM_CONTROLLED=yes\n\
DHCP_HOSTNAME=no_new_line"
updated_file = "\
DEVICE=eth0\n\
ONBOOT=yes\n\
BOOTPROTO=dhcp\n\
TYPE=Ethernet\n\
USERCTL=no\n\
PEERDNS=yes\n\
IPV6INIT=no\n\
NM_CONTROLLED=yes\n\
DHCP_HOSTNAME=test\n"
path = 'path'
with patch.object(fileutil, 'write_file') as patch_write:
with patch.object(fileutil, 'read_file', return_value=new_file):
fileutil.update_conf_file(path, 'DHCP_HOSTNAME', 'DHCP_HOSTNAME=test')
patch_write.assert_called_once_with(path, updated_file)
with patch.object(fileutil, 'write_file') as patch_write:
with patch.object(fileutil, 'read_file', return_value=existing_file):
fileutil.update_conf_file(path, 'DHCP_HOSTNAME', 'DHCP_HOSTNAME=test')
patch_write.assert_called_once_with(path, updated_file)
with patch.object(fileutil, 'write_file') as patch_write:
with patch.object(fileutil, 'read_file', return_value=bad_file):
fileutil.update_conf_file(path, 'DHCP_HOSTNAME', 'DHCP_HOSTNAME=test')
patch_write.assert_called_once_with(path, updated_file)
if __name__ == '__main__':
unittest.main()
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