compose/tests/unit/cli/errors_test.py

99 lines
4.0 KiB
Python

from __future__ import absolute_import
from __future__ import unicode_literals
import pytest
from docker.errors import APIError
from requests.exceptions import ConnectionError
from compose.cli import errors
from compose.cli.errors import handle_connection_errors
from compose.const import IS_WINDOWS_PLATFORM
from tests import mock
@pytest.yield_fixture
def mock_logging():
with mock.patch('compose.cli.errors.log', autospec=True) as mock_log:
yield mock_log
def patch_find_executable(side_effect):
return mock.patch(
'compose.cli.errors.find_executable',
autospec=True,
side_effect=side_effect)
class TestHandleConnectionErrors(object):
def test_generic_connection_error(self, mock_logging):
with pytest.raises(errors.ConnectionError):
with patch_find_executable(['/bin/docker', None]):
with handle_connection_errors(mock.Mock()):
raise ConnectionError()
_, args, _ = mock_logging.error.mock_calls[0]
assert "Couldn't connect to Docker daemon" in args[0]
def test_api_error_version_mismatch(self, mock_logging):
with pytest.raises(errors.ConnectionError):
with handle_connection_errors(mock.Mock(api_version='1.22')):
raise APIError(None, None, b"client is newer than server")
_, args, _ = mock_logging.error.mock_calls[0]
assert "Docker Engine of version 1.10.0 or greater" in args[0]
def test_api_error_version_mismatch_unicode_explanation(self, mock_logging):
with pytest.raises(errors.ConnectionError):
with handle_connection_errors(mock.Mock(api_version='1.22')):
raise APIError(None, None, u"client is newer than server")
_, args, _ = mock_logging.error.mock_calls[0]
assert "Docker Engine of version 1.10.0 or greater" in args[0]
def test_api_error_version_other(self, mock_logging):
msg = b"Something broke!"
with pytest.raises(errors.ConnectionError):
with handle_connection_errors(mock.Mock(api_version='1.22')):
raise APIError(None, None, msg)
mock_logging.error.assert_called_once_with(msg.decode('utf-8'))
def test_api_error_version_other_unicode_explanation(self, mock_logging):
msg = u"Something broke!"
with pytest.raises(errors.ConnectionError):
with handle_connection_errors(mock.Mock(api_version='1.22')):
raise APIError(None, None, msg)
mock_logging.error.assert_called_once_with(msg)
@pytest.mark.skipif(not IS_WINDOWS_PLATFORM, reason='Needs pywin32')
def test_windows_pipe_error_no_data(self, mock_logging):
import pywintypes
with pytest.raises(errors.ConnectionError):
with handle_connection_errors(mock.Mock(api_version='1.22')):
raise pywintypes.error(232, 'WriteFile', 'The pipe is being closed.')
_, args, _ = mock_logging.error.mock_calls[0]
assert "The current Compose file version is not compatible with your engine version." in args[0]
@pytest.mark.skipif(not IS_WINDOWS_PLATFORM, reason='Needs pywin32')
def test_windows_pipe_error_misc(self, mock_logging):
import pywintypes
with pytest.raises(errors.ConnectionError):
with handle_connection_errors(mock.Mock(api_version='1.22')):
raise pywintypes.error(231, 'WriteFile', 'The pipe is busy.')
_, args, _ = mock_logging.error.mock_calls[0]
assert "Windows named pipe error: The pipe is busy. (code: 231)" == args[0]
@pytest.mark.skipif(not IS_WINDOWS_PLATFORM, reason='Needs pywin32')
def test_windows_pipe_error_encoding_issue(self, mock_logging):
import pywintypes
with pytest.raises(errors.ConnectionError):
with handle_connection_errors(mock.Mock(api_version='1.22')):
raise pywintypes.error(9999, 'WriteFile', 'I use weird characters \xe9')
_, args, _ = mock_logging.error.mock_calls[0]
assert 'Windows named pipe error: I use weird characters \xe9 (code: 9999)' == args[0]