def test__get_next_tunable_name_normalized_scores(self, mock_np_random_choice):
# setup
mock_np_random_choice.return_value = 'test_name'
selector = MagicMock()
selector.select.return_value = 'test_name'
instance = MagicMock(spec_set=BTBSession)
instance._normalized_scores = [('test_name', 0.1), ('second_test_name', 0.2)]
instance._selector = selector
# run
tunable_name = BTBSession._get_next_tunable_name(instance)
# assert
assert tunable_name == 'test_name'
mock_np_random_choice.assert_not_called()
selector.select.assert_called_once_with([
('test_name', 0.1),
('second_test_name', 0.2),
])
def test__get_next_tunable_name_normalized_scores_none(self, mock_np_random_choice):
# setup
mock_np_random_choice.return_value = 'test_name'
instance = MagicMock(spec_set=BTBSession)
instance._normalized_scores = None
instance._tunables = {
'test_name': 'test',
'second_test_name': 'second_test',
}
# python3.5 randomness issue, we read as in `btb.session`
expected_mock_call = list(instance._tunables.keys())
# run
tunable_name = BTBSession._get_next_tunable_name(instance)
# assert
assert tunable_name == 'test_name'
mock_np_random_choice.assert_called_once_with(expected_mock_call)