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#!/usr/bin/python
# Copyright 2010  Lars Wirzenius
# 
# 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 3 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, see <http://www.gnu.org/licenses/>.


'''Test SftpFS.

This can't be part of the normal unit tests, since it requires access
to a (real) ssh server.

To run these tests, you must arrange for localhost to be able to accept
ssh connections using the ssh agent.

'''


import os
import shutil
import tempfile
import unittest

import obnamlib
import obnamlib.plugins.sftp_plugin


class SftpTests(unittest.TestCase, obnamlib.VfsTests):

    def setUp(self):
        self.basepath = tempfile.mkdtemp()
        baseurl = 'sftp://localhost%s' % self.basepath
        self.fs = obnamlib.plugins.sftp_plugin.SftpFS(baseurl)
        self.fs.connect()
        
    def tearDown(self):
        self.fs.close()
        shutil.rmtree(self.basepath)
        
    def test_sets_path_to_absolute_path(self):
        self.assert_(self.fs.path.startswith('/'))
        
    def test_initial_cwd_is_basepath(self):
        self.assertEqual(self.fs.getcwd(), self.fs.path)

    def test_link_creates_hard_link(self):
        pass # sftp does not support hardlinking, so not testing it
        
        
if __name__ == '__main__':
    unittest.main()