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imsa_test.py
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import datetime
import unittest
import unittest.mock
import imsa
ONE_HOUR_AGO = datetime.datetime.utcnow() - datetime.timedelta(hours=1)
ACCESS_KEY_SESSION = 'XXXXXXXXXXXXXXXXXXXX'
ACCESS_KEY_ROLE = 'YYYYYYYYYYYYYYYYYYYY'
SAMPLE_CONFIG = {
'aws_access_key_id': 'XXXXXXXXXXXXXXXXXXXX',
'aws_secret_access_key': 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX',
'mfa_serial_number': 'arn:aws:iam::XXXXXXXXXXXX:mfa/UserName',
'role_arn': 'arn:aws:iam::XXXXXXXXXXXX:role/RoleNameOne',
'role_session_name': 'SomeSessionName',
}
SAMPLE_CREDENTIALS = {
'AccessKeyId': 'ZZZZZZZZZZZZZZZZZZZZ',
'Expiration': datetime.datetime.utcnow() + datetime.timedelta(hours=1),
'LastUpdated': datetime.datetime.utcnow(),
'SecretAccessKey': 'YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY',
'SessionToken': 'ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ',
}
SAMPLE_CREDENTIALS_SESSION = dict(SAMPLE_CREDENTIALS)
SAMPLE_CREDENTIALS_SESSION['AccessKeyId'] = ACCESS_KEY_SESSION
SAMPLE_CREDENTIALS_ROLE = dict(SAMPLE_CREDENTIALS_SESSION)
SAMPLE_CREDENTIALS_ROLE['AccessKeyId'] = ACCESS_KEY_ROLE
EXPIRED_CREDENTIALS_SESSION = dict(SAMPLE_CREDENTIALS_SESSION)
EXPIRED_CREDENTIALS_SESSION['Expiration'] = ONE_HOUR_AGO
EXPIRED_CREDENTIALS_ROLE = dict(EXPIRED_CREDENTIALS_SESSION)
EXPIRED_CREDENTIALS_ROLE['AccessKeyId'] = ACCESS_KEY_ROLE
class StateTests(unittest.TestCase):
def setUp(self):
self.state = imsa.State.get_instance()
def tearDown(self):
del imsa.State.instance
def assert_access_key(self, access_key):
credentials = self.state.get_credentials()
assert credentials
self.assertEqual(credentials['AccessKeyId'], access_key)
@unittest.mock.patch('imsa.get_new_role_credentials')
@unittest.mock.patch('imsa.get_new_session_credentials')
def test_no_role(self, get_session_mock, get_role_mock):
get_session_mock.return_value = SAMPLE_CREDENTIALS_SESSION
get_role_mock.return_value = SAMPLE_CREDENTIALS_ROLE
config_without_role = {}
for key in imsa.CONFIG_KEYS_REQUIRING_SESSION_UPDATE:
config_without_role[key] = SAMPLE_CONFIG[key]
assert self.state.requires_mfa(config_without_role)
self.state.update_credentials(config_without_role)
assert get_session_mock.called
assert not get_role_mock.called
self.assert_access_key(ACCESS_KEY_SESSION)
@unittest.mock.patch('imsa.get_new_role_credentials')
@unittest.mock.patch('imsa.get_new_session_credentials')
def test_role_no_role(self, get_session_mock, get_role_mock):
get_session_mock.return_value = SAMPLE_CREDENTIALS_SESSION
get_role_mock.return_value = SAMPLE_CREDENTIALS_ROLE
assert self.state.requires_mfa(SAMPLE_CONFIG)
self.state.update_credentials(SAMPLE_CONFIG)
assert get_session_mock.called
assert get_role_mock.called
self.assert_access_key(ACCESS_KEY_ROLE)
get_session_mock.reset_mock()
get_role_mock.reset_mock()
config_without_role = {}
for key in imsa.CONFIG_KEYS_REQUIRING_SESSION_UPDATE:
config_without_role[key] = SAMPLE_CONFIG[key]
assert not self.state.requires_mfa(config_without_role)
self.state.update_credentials(config_without_role)
assert not get_session_mock.called
assert not get_role_mock.called
self.assert_access_key(ACCESS_KEY_SESSION)
@unittest.mock.patch('imsa.get_new_role_credentials')
@unittest.mock.patch('imsa.get_new_session_credentials')
def test_expired_role_no_role(self, get_session_mock, get_role_mock):
get_session_mock.return_value = SAMPLE_CREDENTIALS_SESSION
get_role_mock.return_value = EXPIRED_CREDENTIALS_ROLE
assert self.state.requires_mfa(SAMPLE_CONFIG)
self.state.update_credentials(SAMPLE_CONFIG)
assert get_session_mock.called
assert get_role_mock.called
self.assert_access_key(ACCESS_KEY_ROLE)
get_session_mock.reset_mock()
get_role_mock.reset_mock()
config_without_role = {}
for key in imsa.CONFIG_KEYS_REQUIRING_SESSION_UPDATE:
config_without_role[key] = SAMPLE_CONFIG[key]
assert not self.state.requires_mfa(config_without_role)
self.state.update_credentials(config_without_role)
assert not get_session_mock.called
assert not get_role_mock.called
self.assert_access_key(ACCESS_KEY_SESSION)
@unittest.mock.patch('imsa.get_new_role_credentials')
@unittest.mock.patch('imsa.get_new_session_credentials')
def test_no_update(self, get_session_mock, get_role_mock):
get_session_mock.return_value = SAMPLE_CREDENTIALS_SESSION
get_role_mock.return_value = SAMPLE_CREDENTIALS_ROLE
assert self.state.requires_mfa(SAMPLE_CONFIG)
self.state.update_credentials(SAMPLE_CONFIG)
self.assert_access_key(ACCESS_KEY_ROLE)
get_session_mock.reset_mock()
get_role_mock.reset_mock()
assert not self.state.requires_mfa(SAMPLE_CONFIG)
self.state.update_credentials(SAMPLE_CONFIG)
assert not get_session_mock.called
assert not get_role_mock.called
@unittest.mock.patch('imsa.get_new_role_credentials')
@unittest.mock.patch('imsa.get_new_session_credentials')
def test_session_update(self, get_session_mock, get_role_mock):
get_session_mock.return_value = SAMPLE_CREDENTIALS_SESSION
get_role_mock.return_value = SAMPLE_CREDENTIALS_ROLE
self.state.update_credentials(SAMPLE_CONFIG)
get_session_mock.reset_mock()
get_role_mock.reset_mock()
for key in imsa.CONFIG_KEYS_REQUIRING_SESSION_UPDATE:
config = dict(SAMPLE_CONFIG)
config[key] = 'new_value'
assert self.state.requires_mfa(config)
self.state.update_credentials(config)
self.assert_access_key(ACCESS_KEY_ROLE)
assert get_session_mock.called
assert get_role_mock.called
get_session_mock.reset_mock()
get_role_mock.reset_mock()
@unittest.mock.patch('imsa.get_new_role_credentials')
@unittest.mock.patch('imsa.get_new_session_credentials')
def test_role_update(self, get_session_mock, get_role_mock):
get_session_mock.return_value = SAMPLE_CREDENTIALS_SESSION
get_role_mock.return_value = SAMPLE_CREDENTIALS_ROLE
self.state.update_credentials(SAMPLE_CONFIG)
get_session_mock.reset_mock()
get_role_mock.reset_mock()
for key in imsa.CONFIG_KEYS_REQUIRING_ASSUME_ROLE:
config = dict(SAMPLE_CONFIG)
config[key] = 'new_value'
assert not self.state.requires_mfa(config)
self.state.update_credentials(config)
self.assert_access_key(ACCESS_KEY_ROLE)
assert not get_session_mock.called
assert get_role_mock.called
get_session_mock.reset_mock()
get_role_mock.reset_mock()
@unittest.mock.patch('imsa.get_new_role_credentials')
@unittest.mock.patch('imsa.get_new_session_credentials')
def test_role_expired(self, get_session_mock, get_role_mock):
get_session_mock.return_value = SAMPLE_CREDENTIALS_SESSION
get_role_mock.return_value = EXPIRED_CREDENTIALS_ROLE
self.state.update_credentials(SAMPLE_CONFIG)
get_session_mock.reset_mock()
get_role_mock.reset_mock()
self.state.update_credentials(SAMPLE_CONFIG)
self.assert_access_key(ACCESS_KEY_ROLE)
assert not get_session_mock.called
assert get_role_mock.called
@unittest.mock.patch('imsa.get_new_role_credentials')
@unittest.mock.patch('imsa.get_new_session_credentials')
def test_session_expired(self, get_session_mock, get_role_mock):
get_session_mock.return_value = EXPIRED_CREDENTIALS_SESSION
get_role_mock.return_value = SAMPLE_CREDENTIALS_ROLE
self.state.update_credentials(SAMPLE_CONFIG)
get_session_mock.reset_mock()
get_role_mock.reset_mock()
self.state.update_credentials(SAMPLE_CONFIG)
self.assert_access_key(ACCESS_KEY_ROLE)
assert get_session_mock.called
assert get_role_mock.called
@unittest.mock.patch('imsa.get_new_role_credentials')
@unittest.mock.patch('imsa.get_new_session_credentials')
def test_no_mfa(self, get_session_mock, get_role_mock):
get_session_mock.return_value = SAMPLE_CREDENTIALS_SESSION
get_role_mock.return_value = SAMPLE_CREDENTIALS_ROLE
config = dict(SAMPLE_CONFIG)
del config['mfa_serial_number']
assert not self.state.requires_mfa(config)
self.state.update_credentials(config)
self.assert_access_key(ACCESS_KEY_ROLE)
assert get_session_mock.called
assert get_role_mock.called
get_session_mock.reset_mock()
get_role_mock.reset_mock()
assert not self.state.requires_mfa(config)
self.state.update_credentials(config)
self.assert_access_key(ACCESS_KEY_ROLE)
assert not get_session_mock.called
assert not get_role_mock.called
for key in config:
config[key] = 'new_value'
assert not self.state.requires_mfa(config)
self.state.update_credentials(config)
@unittest.mock.patch('imsa.get_new_role_credentials')
@unittest.mock.patch('imsa.get_new_session_credentials')
def test_temporary_credentials(self, get_session_mock, get_role_mock):
get_session_mock.return_value = SAMPLE_CREDENTIALS_SESSION
get_role_mock.return_value = SAMPLE_CREDENTIALS_ROLE
self.state.update_credentials(SAMPLE_CONFIG)
credentials = dict(self.state.get_credentials())
get_session_mock.reset_mock()
get_role_mock.reset_mock()
self.state.temporary_credentials(SAMPLE_CONFIG)
assert not get_session_mock.called
assert not get_role_mock.called
get_session_mock.return_value = SAMPLE_CREDENTIALS
get_role_mock.return_value = SAMPLE_CREDENTIALS
for key in SAMPLE_CONFIG:
config = dict(SAMPLE_CONFIG)
config[key] = 'new_value'
self.assertDictEqual(
self.state.temporary_credentials(config),
SAMPLE_CREDENTIALS,
)
self.assertDictEqual(
self.state.get_credentials(),
credentials,
)
self.assertNotEqual(
SAMPLE_CREDENTIALS['AccessKeyId'],
credentials['AccessKeyId'],
)
class ConfigTests(unittest.TestCase):
# pylint: disable=protected-access
def test_simple_config(self):
config = {
'profile_one': {
'key_one': 'foo',
'key_two': 'bar',
},
}
self.assertDictEqual(
imsa._get_profile_config(config, 'profile_one'),
{
'key_one': 'foo',
'key_two': 'bar',
}
)
def test_simple_extends(self):
config = {
'profile_one': {
'key_one': 'foo',
'key_two': 'bar',
},
'profile_two': {
'extends': 'profile_one',
'key_one': 'foobar',
},
}
self.assertDictEqual(
imsa._get_profile_config(config, 'profile_two'),
{
'key_one': 'foobar',
'key_two': 'bar',
}
)
def test_extends_config(self):
config = {
'profile_one': {
'key_one': 'foo',
'key_two': 'bar',
},
'profile_two': {
'extends': 'profile_one',
'key_one': 'foobar',
},
'profile_three': {
'extends': 'profile_two',
'key_two': 'barfoo',
},
}
self.assertDictEqual(
imsa._get_profile_config(config, 'profile_three'),
{
'key_one': 'foobar',
'key_two': 'barfoo',
}
)
if __name__ == '__main__':
unittest.main()