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py.test plugin to locally test sftp server connections.

Project description

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pytest-sftpserver is a plugin for pytest that provides a local SFTP-Server fixture.

The SFTP-Server provided by this fixture serves content not from files but directly from Python objects.


Assume you want to test a function that downloads a file from an SFTP-Server:

from contextlib import closing
import paramiko
def get_sftp_file(host, port, username, password, path):
    with closing(paramiko.Transport((host, port))) as transport:
        transport.connect(username=username, password=password)
        with closing(paramiko.SFTPClient.from_transport(transport)) as sftpclient:
            with, "r") as sftp_file:

This plugin allows to test such functions without having to spin up an external SFTP-Server by providing a pytest fixture called sftpserver. You use it simply by adding a parameter named sftpserver to your test function:

def test_sftp_fetch(sftpserver):
    with sftpserver.serve_content({'a_dir': {'somefile.txt': "File content"}}):
        assert get_sftp_file(, sftpserver.port, "user",
                             "pw", "/a_dir/somefile.txt") == "File content"

As can be seen from this example sftpserver serves content directly from python objects instead of files.


pip install pytest-sftpserver

Supported Python versions

This package supports the following Python versions:

  • 2.7, 3.5 - 3.7


  • Add more documentation
  • Add more usage examples
  • Add TODOs :)

Version History

1.3.0 - 2019-09-16

  • Updated supported Python versions to 2.7, 3.5 - 3.7.

    Droped (official) support for 3.4.

  • Check / format code with black, isort and flake8.

  • Fix return type of .read(). (#15, thanks @WeatherGod)

  • Support the offset parameter on write operations. (#11, #16, thanks @DrNecromant)

1.2.0 - 2018-03-28

  • Updated supported Python versions to 2.7, 3.4 - 3.6. Droped (official) support for 2.6 and 3.2, 3.3.
  • Now always uses posixpath internally to avoid problems when running on Windows (#7, #8, thanks @dundeemt)
  • Fixed broken readme badges (#14, thanks @movermeyer)

1.1.2 - 2015-06-01

  • Fixed a bug in stat size calculation (#4)
  • Fixed mkdir() overwriting existing content (#5)

Thanks to @zerok for both bug reports and accompanying tests.

1.1.1 - 2015-04-04

  • Fixed broken chmod() behaviour for non-existing ‘files’ (Thanks @dundeemt)

1.1.0 - 2014-10-15

  • Fixed broken stat() behaviour for non-existing ‘files’
  • Slightly increased test coverage

1.0.2 - 2014-07-27

  • Fixed broken test on Python 2.6

1.0.1 - 2014-07-27

  • Added Python 3.2 support
  • Cleaned up tox configuration

1.0.0 - 2014-07-18

  • Initial release


Licensed unter the MIT License. See file LICENSE.


The implementation and idea for this plugin is in part based upon:

Project details

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Files for pytest-sftpserver, version 1.3.0
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