def test_connection_bad_credentials():
'''attempt connection to a non-existing server'''
copts = SFTP_LOCAL.copy()
copts['password'] = '******'
with pytest.raises(pysftp.SSHException):
with pysftp.Connection(**copts) as sftp:
sftp.listdir()
def test_connection_bad_credentials():
'''attempt connection to a non-existing server'''
copts = SFTP_LOCAL.copy()
copts['password'] = '******'
with pytest.raises(pysftp.SSHException):
with pysftp.Connection(**copts) as sftp:
sftp.listdir()
def test_connection_ciphers_param():
'''test the ciphers parameter portion of the Connection'''
ciphers = ('aes256-ctr', 'blowfish-cbc', 'aes256-cbc', 'arcfour256')
copts = SFTP_LOCAL.copy() # don't sully the module level variable
copts['ciphers'] = ciphers
assert copts != SFTP_LOCAL
with pysftp.Connection(**copts) as sftp:
rslt = sftp.listdir()
assert len(rslt) > 1
def test_depr_ciphers_param():
'''test deprecation warning for Connection cipher parameter'''
warnings.simplefilter('always')
copts = SFTP_LOCAL.copy()
copts['ciphers'] = ('aes256-ctr', 'blowfish-cbc', 'aes256-cbc',
'arcfour256')
with pytest.warns(DeprecationWarning):
with pysftp.Connection(**copts) as sftp:
sftp.listdir()
def test_active_ciphers():
'''test that method returns a tuple of strings, that show ciphers used'''
ciphers = ('aes256-ctr', 'blowfish-cbc', 'aes256-cbc', 'arcfour256')
copts = SFTP_LOCAL.copy() # don't sully the module level variable
cnopts = pysftp.CnOpts()
cnopts.ciphers = ciphers
copts['cnopts'] = cnopts
with pysftp.Connection(**copts) as sftp:
local_cipher, remote_cipher = sftp.active_ciphers
assert local_cipher in ciphers
assert remote_cipher in ciphers
def test_compression_enabled():
'''test that compression=True results in compression enabled, assuming
that the server supports compression'''
copts = SFTP_LOCAL.copy()
cnopts = pysftp.CnOpts()
cnopts.compression = True
copts['cnopts'] = cnopts
with pysftp.Connection(**copts) as sftp:
lcompress, rcompress = sftp.active_compression
assert lcompress != 'none'
assert rcompress != 'none'