def test_should_update_gauge_value(gauge_patched):
metrics_logger = MetricsLogger("some_id")
metric_name = "some_gauge"
metrics_logger.add_gauge(metric_name)
metrics_logger[metric_name].set(2)
gauge_patched().set.assert_called_once_with(2),
def test_should_add_gauge_to_logger_instance(gauge_patched):
metrics_logger = MetricsLogger("some_id")
metric_name = "some_gauge"
metrics_logger.add_gauge(metric_name)
assert metric_name in metrics_logger._metrics
assert metrics_logger._metrics[metric_name] == gauge_patched.return_value