def test_get_instance_region_failure(self):
"""
get_instance_region fails when no region is returned
"""
# Mocking the logger to check for calls later
mock_logger = MagicMock(spec=Logger, autospec=True)
# Mocking the metadata returned by boto
mock_metadata = {}
# get_logger function returns the mocked logger
with patch('krux_boto.util.get_logger', return_value=mock_logger):
# get_instance_metadata returns a mock dictionary created above
with patch('krux_boto.util.boto.utils.get_instance_metadata', return_value=mock_metadata):
# Verify an error is thrown
with self.assertRaises(Error):
get_instance_region()
# Verify a warning is thrown
mock_logger.warn.assert_called_once_with('get_instance_region failed to get the local instance region')
def test_get_instance_region_failure(self):
"""
get_instance_region fails when no region is returned
"""
# Mocking the logger to check for calls later
mock_logger = MagicMock(spec=Logger, autospec=True)
# Mocking the metadata returned by boto
mock_metadata = {}
# get_logger function returns the mocked logger
with patch('krux_boto.util.get_logger', return_value=mock_logger):
# get_instance_metadata returns a mock dictionary created above
with patch('krux_boto.util.boto.utils.get_instance_metadata',
return_value=mock_metadata):
# Verify an error is thrown
with self.assertRaises(Error):
get_instance_region()
# Verify a warning is thrown
mock_logger.warn.assert_called_once_with(
'get_instance_region failed to get the local instance region')
def test_get_instance_region_success(self):
"""
get_instance_region successfully return the region
"""
# Mocking the logger to check for calls later
mock_logger = MagicMock(spec=Logger, autospec=True)
# Mocking the metadata returned by boto
mock_metadata = {
'placement': {
'availability-zone': 'us-east-1a',
},
}
# get_logger function returns the mocked logger
with patch('krux_boto.util.get_logger', return_value=mock_logger):
# get_instance_metadata returns a mock dictionary created above
with patch('krux_boto.util.boto.utils.get_instance_metadata', return_value=mock_metadata):
self.assertEquals('us-east-1', get_instance_region())
# Verify no warning is thrown
self.assertTrue(('get_instance_region failed to get the local instance region') not in mock_logger.warn.call_args_list)
def test_get_instance_region_success(self):
"""
get_instance_region successfully return the region
"""
# Mocking the logger to check for calls later
mock_logger = MagicMock(spec=Logger, autospec=True)
# Mocking the metadata returned by boto
mock_metadata = {
'placement': {
'availability-zone': 'us-east-1a',
},
}
# get_logger function returns the mocked logger
with patch('krux_boto.util.get_logger', return_value=mock_logger):
# get_instance_metadata returns a mock dictionary created above
with patch('krux_boto.util.boto.utils.get_instance_metadata',
return_value=mock_metadata):
self.assertEquals('us-east-1', get_instance_region())
# Verify no warning is thrown
self.assertTrue(
('get_instance_region failed to get the local instance region'
) not in mock_logger.warn.call_args_list)