s3fs-fuse/test/ut_test.py

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#!/usr/bin/env python3
#
# s3fs - FUSE-based file system backed by Amazon S3
#
# Copyright 2007-2008 Randy Rizun <rrizun@gmail.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; 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.
#
import os
import unittest
import random
import sys
import time
class OssfsUnitTest(unittest.TestCase):
def setUp(self):
pass
def tearDown(self):
pass
def random_string(self, len):
char_set = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g']
list = []
for i in range(0, len):
list.append(random.choice(char_set))
return "".join(list)
def test_read_file(self):
filename = "%s" % (self.random_string(10))
print(filename)
f = open(filename, 'w')
data = self.random_string(1000)
f.write(data)
f.close()
f = open(filename, 'r')
data = f.read(100)
self.assertEqual(len(data), 100)
data = f.read(100)
self.assertEqual(len(data), 100)
f.close()
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os.remove(filename)
def test_rename_file(self):
filename1 = "%s" % (self.random_string(10))
filename2 = "%s" % (self.random_string(10))
print(filename1, filename2)
f = open(filename1, 'w+')
data1 = self.random_string(1000)
f.write(data1)
os.rename(filename1, filename2)
f.seek(0, 0)
data2 = f.read()
f.close()
self.assertEqual(len(data1), len(data2))
self.assertEqual(data1, data2)
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os.remove(filename2)
def test_rename_file2(self):
filename1 = "%s" % (self.random_string(10))
filename2 = "%s" % (self.random_string(10))
print(filename1, filename2)
f = open(filename1, 'w')
data1 = self.random_string(1000)
f.write(data1)
f.close()
os.rename(filename1, filename2)
f = open(filename2, 'r')
f.seek(0, 0)
data2 = f.read()
f.close()
self.assertEqual(len(data1), len(data2))
self.assertEqual(data1, data2)
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os.remove(filename2)
def test_truncate_open_file(self):
filename = "%s" % (self.random_string(10))
fd = os.open(filename, os.O_CREAT|os.O_RDWR)
try:
os.write(fd, b'a' * 42)
self.assertEqual(os.fstat(fd).st_size, 42)
os.ftruncate(fd, 100)
self.assertEqual(os.fstat(fd).st_size, 100)
finally:
os.close(fd)
self.assertEqual(100, os.stat(filename).st_size)
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os.remove(filename)
if __name__ == '__main__':
unittest.main()
#
# Local variables:
# tab-width: 4
# c-basic-offset: 4
# End:
# vim600: expandtab sw=4 ts=4 fdm=marker
# vim<600: expandtab sw=4 ts=4
#