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import io
from datetime import datetime
from unittest.mock import patch
from django.core.exceptions import ImproperlyConfigured
from django.core.files.base import File
from django.test import TestCase
from storages.backends import ftp
USER = 'foo'
PASSWORD = 'b@r'
HOST = 'localhost'
PORT = 2121
URL = "ftp://{user}:{passwd}@{host}:{port}/".format(user=USER, passwd=PASSWORD,
host=HOST, port=PORT)
LIST_FIXTURE = """drwxr-xr-x 2 ftp nogroup 4096 Jul 27 09:46 dir
-rw-r--r-- 1 ftp nogroup 1024 Jul 27 09:45 fi
-rw-r--r-- 1 ftp nogroup 2048 Jul 27 09:50 fi2"""
def list_retrlines(cmd, func):
for line in LIST_FIXTURE.splitlines():
func(line)
class FTPTest(TestCase):
def setUp(self):
self.storage = ftp.FTPStorage(location=URL)
def test_init_no_location(self):
with self.assertRaises(ImproperlyConfigured):
ftp.FTPStorage()
@patch('storages.backends.ftp.setting', return_value=URL)
def test_init_location_from_setting(self, mock_setting):
storage = ftp.FTPStorage()
self.assertTrue(mock_setting.called)
self.assertEqual(storage.location, URL)
def test_decode_location(self):
config = self.storage._decode_location(URL)
wanted_config = {
'passwd': 'b@r',
'host': 'localhost',
'user': 'foo',
'active': False,
'path': '/',
'port': 2121,
}
self.assertEqual(config, wanted_config)
# Test active FTP
config = self.storage._decode_location('a'+URL)
wanted_config = {
'passwd': 'b@r',
'host': 'localhost',
'user': 'foo',
'active': True,
'path': '/',
'port': 2121,
}
self.assertEqual(config, wanted_config)
def test_decode_location_error(self):
with self.assertRaises(ImproperlyConfigured):
self.storage._decode_location('foo')
with self.assertRaises(ImproperlyConfigured):
self.storage._decode_location('http://foo.pt')
# TODO: Cannot not provide a port
# with self.assertRaises(ImproperlyConfigured):
# self.storage._decode_location('ftp://')
@patch('ftplib.FTP')
def test_start_connection(self, mock_ftp):
self.storage._start_connection()
self.assertIsNotNone(self.storage._connection)
# Start active
storage = ftp.FTPStorage(location='a'+URL)
storage._start_connection()
@patch('ftplib.FTP', **{'return_value.pwd.side_effect': IOError()})
def test_start_connection_timeout(self, mock_ftp):
self.storage._start_connection()
self.assertIsNotNone(self.storage._connection)
@patch('ftplib.FTP', **{'return_value.connect.side_effect': IOError()})
def test_start_connection_error(self, mock_ftp):
with self.assertRaises(ftp.FTPStorageException):
self.storage._start_connection()
@patch('ftplib.FTP', **{'return_value.quit.return_value': None})
def test_disconnect(self, mock_ftp_quit):
self.storage._start_connection()
self.storage.disconnect()
self.assertIsNone(self.storage._connection)
@patch('ftplib.FTP', **{'return_value.pwd.return_value': 'foo'})
def test_mkremdirs(self, mock_ftp):
self.storage._start_connection()
self.storage._mkremdirs('foo/bar')
@patch('ftplib.FTP', **{'return_value.pwd.return_value': 'foo'})
def test_mkremdirs_n_subdirectories(self, mock_ftp):
self.storage._start_connection()
self.storage._mkremdirs('foo/bar/null')
@patch('ftplib.FTP', **{
'return_value.pwd.return_value': 'foo',
'return_value.storbinary.return_value': None
})
def test_put_file(self, mock_ftp):
self.storage._start_connection()
self.storage._put_file('foo', File(io.BytesIO(b'foo'), 'foo'))
@patch('ftplib.FTP', **{
'return_value.pwd.return_value': 'foo',
'return_value.storbinary.side_effect': IOError()
})
def test_put_file_error(self, mock_ftp):
self.storage._start_connection()
with self.assertRaises(ftp.FTPStorageException):
self.storage._put_file('foo', File(io.BytesIO(b'foo'), 'foo'))
def test_open(self):
remote_file = self.storage._open('foo')
self.assertIsInstance(remote_file, ftp.FTPStorageFile)
@patch('ftplib.FTP', **{'return_value.pwd.return_value': 'foo'})
def test_read(self, mock_ftp):
self.storage._start_connection()
self.storage._read('foo')
@patch('ftplib.FTP', **{'return_value.pwd.side_effect': IOError()})
def test_read2(self, mock_ftp):
self.storage._start_connection()
with self.assertRaises(ftp.FTPStorageException):
self.storage._read('foo')
@patch('ftplib.FTP', **{
'return_value.pwd.return_value': 'foo',
'return_value.storbinary.return_value': None
})
def test_save(self, mock_ftp):
self.storage._save('foo', File(io.BytesIO(b'foo'), 'foo'))
@patch('ftplib.FTP', **{'return_value.sendcmd.return_value': '213 20160727094506'})
def test_modified_time(self, mock_ftp):
self.storage._start_connection()
modif_date = self.storage.modified_time('foo')
self.assertEqual(modif_date, datetime(2016, 7, 27, 9, 45, 6))
@patch('ftplib.FTP', **{'return_value.sendcmd.return_value': '500'})
def test_modified_time_error(self, mock_ftp):
self.storage._start_connection()
with self.assertRaises(ftp.FTPStorageException):
self.storage.modified_time('foo')
@patch('ftplib.FTP', **{'return_value.retrlines': list_retrlines})
def test_listdir(self, mock_retrlines):
dirs, files = self.storage.listdir('/')
self.assertEqual(len(dirs), 1)
self.assertEqual(dirs, ['dir'])
self.assertEqual(len(files), 2)
self.assertEqual(sorted(files), sorted(['fi', 'fi2']))
@patch('ftplib.FTP', **{'return_value.retrlines.side_effect': IOError()})
def test_listdir_error(self, mock_ftp):
with self.assertRaises(ftp.FTPStorageException):
self.storage.listdir('/')
@patch('ftplib.FTP', **{'return_value.nlst.return_value': ['foo', 'foo2']})
def test_exists(self, mock_ftp):
self.assertTrue(self.storage.exists('foo'))
self.assertFalse(self.storage.exists('bar'))
@patch('ftplib.FTP', **{'return_value.nlst.side_effect': IOError()})
def test_exists_error(self, mock_ftp):
with self.assertRaises(ftp.FTPStorageException):
self.storage.exists('foo')
@patch('ftplib.FTP', **{
'return_value.delete.return_value': None,
'return_value.nlst.return_value': ['foo', 'foo2']
})
def test_delete(self, mock_ftp):
self.storage.delete('foo')
self.assertTrue(mock_ftp.return_value.delete.called)
@patch('ftplib.FTP', **{'return_value.retrlines': list_retrlines})
def test_size(self, mock_ftp):
self.assertEqual(1024, self.storage.size('fi'))
self.assertEqual(2048, self.storage.size('fi2'))
self.assertEqual(0, self.storage.size('bar'))
@patch('ftplib.FTP', **{'return_value.retrlines.side_effect': IOError()})
def test_size_error(self, mock_ftp):
self.assertEqual(0, self.storage.size('foo'))
def test_url(self):
with self.assertRaises(ValueError):
self.storage._base_url = None
self.storage.url('foo')
self.storage = ftp.FTPStorage(location=URL, base_url='http://foo.bar/')
self.assertEqual('http://foo.bar/foo', self.storage.url('foo'))
class FTPStorageFileTest(TestCase):
def setUp(self):
self.storage = ftp.FTPStorage(location=URL)
@patch('ftplib.FTP', **{'return_value.retrlines': list_retrlines})
def test_size(self, mock_ftp):
file_ = ftp.FTPStorageFile('fi', self.storage, 'wb')
self.assertEqual(file_.size, 1024)
@patch('ftplib.FTP', **{'return_value.pwd.return_value': 'foo'})
@patch('storages.backends.ftp.FTPStorage._read', return_value=io.BytesIO(b'foo'))
def test_readlines(self, mock_ftp, mock_storage):
file_ = ftp.FTPStorageFile('fi', self.storage, 'wb')
self.assertEqual([b'foo'], file_.readlines())
@patch('ftplib.FTP', **{'return_value.pwd.return_value': 'foo'})
@patch('storages.backends.ftp.FTPStorage._read', return_value=io.BytesIO(b'foo'))
def test_read(self, mock_ftp, mock_storage):
file_ = ftp.FTPStorageFile('fi', self.storage, 'wb')
self.assertEqual(b'foo', file_.read())
def test_write(self):
file_ = ftp.FTPStorageFile('fi', self.storage, 'wb')
file_.write(b'foo')
file_.seek(0)
self.assertEqual(file_.file.read(), b'foo')
@patch('ftplib.FTP', **{'return_value.pwd.return_value': 'foo'})
@patch('storages.backends.ftp.FTPStorage._read', return_value=io.BytesIO(b'foo'))
def test_close(self, mock_ftp, mock_storage):
file_ = ftp.FTPStorageFile('fi', self.storage, 'wb')
file_.is_dirty = True
file_.read()
file_.close()
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