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"""Tests for assess_unregister module."""
import logging
from mock import (
Mock,
call,
patch,
)
import StringIO
import subprocess
from textwrap import dedent
import assess_unregister as a_unreg
from fakejuju import fake_juju_client
from tests import (
parse_error,
TestCase,
)
from utility import JujuAssertionError
class TestParseArgs(TestCase):
def test_common_args(self):
args = a_unreg.parse_args(
["an-env", "/bin/juju", "/tmp/logs", "an-env-mod"])
self.assertEqual("an-env", args.env)
self.assertEqual("/bin/juju", args.juju_bin)
self.assertEqual("/tmp/logs", args.logs)
self.assertEqual("an-env-mod", args.temp_env_name)
self.assertEqual(False, args.debug)
def test_help(self):
fake_stdout = StringIO.StringIO()
with parse_error(self) as fake_stderr:
with patch("sys.stdout", fake_stdout):
a_unreg.parse_args(["--help"])
self.assertEqual("", fake_stderr.getvalue())
self.assertIn("Test unregister feature", fake_stdout.getvalue())
class TestMain(TestCase):
def test_main(self):
argv = ["an-env", "/bin/juju", "/tmp/logs", "an-env-mod", "--verbose"]
client = Mock(spec=["is_jes_enabled"])
with patch("assess_unregister.configure_logging",
autospec=True) as mock_cl:
with patch("assess_unregister.BootstrapManager.booted_context",
autospec=True) as mock_bc:
with patch("deploy_stack.client_from_config",
return_value=client) as mock_c:
with patch("assess_unregister.assess_unregister",
autospec=True) as mock_assess:
a_unreg.main(argv)
mock_cl.assert_called_once_with(logging.DEBUG)
mock_c.assert_called_once_with('an-env', "/bin/juju", debug=False,
soft_deadline=None)
self.assertEqual(mock_bc.call_count, 1)
mock_assess.assert_called_once_with(client)
class TestAssess(TestCase):
def test_unregister(self):
fake_user = Mock()
with patch('jujupy.EnvJujuClient.register_user',
return_value=fake_user):
with patch.object(
a_unreg, 'assert_controller_list',
autospec=True) as mock_assert_list:
with patch.object(
a_unreg, 'assert_switch_raises_error', autospec=True):
fake_client = Mock(wraps=fake_juju_client())
fake_client.env.controller.name = 'testing-controller'
fake_client.bootstrap()
a_unreg.assess_unregister(fake_client)
self.assertEqual(
mock_assert_list.mock_calls,
[
call(fake_user, ['testuser_controller']),
call(fake_user, []),
call(fake_client, ['testing-controller'])
])
class TestAssertControllerList(TestCase):
def test_passes_on_empty_controller_list_expecting_empty(self):
json_output = '{"controllers":null,"current-controller":""}\n'
fake_client = Mock(spec=['get_juju_output'])
fake_client.get_juju_output.return_value = json_output
a_unreg.assert_controller_list(fake_client, [])
def test_raises_when_no_controllers_with_expected_list(self):
json_output = '{"controllers":null,"current-controller":""}\n'
fake_client = Mock(spec=['get_juju_output'])
fake_client.get_juju_output.return_value = json_output
self.assertRaises(
JujuAssertionError,
a_unreg.assert_controller_list,
fake_client,
['some_controller'])
def test_raises_when_list_controllers_expecting_none(self):
json_output = """\
{"controllers":
{"local-temp": {"current-model":"testing-model","user":"admin"}},
"current-controller":"local-temp"}\n"""
fake_client = Mock(spec=['get_juju_output'])
fake_client.get_juju_output.return_value = json_output
self.assertRaises(
JujuAssertionError,
a_unreg.assert_controller_list,
fake_client,
[])
def test_passes_when_expected_and_listed_match(self):
json_output = """\
{"controllers":
{"local-temp": {"current-model":"testing-model","user":"admin"}},
"current-controller":"local-temp"}\n"""
fake_client = Mock(spec=['get_juju_output'])
fake_client.get_juju_output.return_value = json_output
self.assertRaises(
JujuAssertionError,
a_unreg.assert_controller_list,
fake_client,
['testing-model'])
def test_exception_message_is_correct(self):
json_output = '{"controllers":null,"current-controller":""}\n'
fake_client = Mock(spec=['get_juju_output'])
fake_client.get_juju_output.return_value = json_output
expected_message = dedent("""\
Unexpected controller names.
Expected: ['testing-model']
Got: []""")
try:
a_unreg.assert_controller_list(fake_client, ['testing-model'])
except JujuAssertionError as e:
if str(e) != expected_message:
raise
class TestAssessSwitchRaisesError(TestCase):
def test_raises_exception_if_switch_doesnt_fail_at_all(self):
fake_client = Mock(spec=['get_juju_output'])
self.assertRaises(
JujuAssertionError,
a_unreg.assert_switch_raises_error,
fake_client)
def test_raises_exception_when_switch_doesnt_fail_as_expected(self):
fake_client = Mock(spec=['get_juju_output'])
exception = subprocess.CalledProcessError(-1, '')
exception.stderr = ''
fake_client.get_juju_output.side_effect = exception
self.assertRaises(
JujuAssertionError,
a_unreg.assert_switch_raises_error,
fake_client)
def test_passes_when_switch_errors_as_expected(self):
fake_client = Mock(spec=['get_juju_output'])
exception = subprocess.CalledProcessError(-1, '')
exception.stderr = 'no currently specified model'
fake_client.get_juju_output.side_effect = exception
a_unreg.assert_switch_raises_error(fake_client)
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