Add support for smart_union in all metrics config. (#1513)

Author: Liraim

src/evidently/future/metric_types.py

@@ -729,6 +729,7 @@ class Metric(AutoAliasMixin, EvidentlyBaseModel, Generic[TCalculation]):
 
     class Config:
         is_base_type = True
+        smart_union = True
 
     __calculation_type__: ClassVar[Type[TCalculation]]
 

tests/future/metrics/test_in_range_metric.py

@@ -0,0 +1,7 @@
+from evidently.future.metrics import InRangeValueCount
+
+
+def test_in_range_metric():
+    metric = InRangeValueCount(column="a", left=0.5, right=1)
+    assert metric.left == 0.5
+    assert metric.right == 1

tests/future/metrics/test_out_range_metric.py

@@ -0,0 +1,7 @@
+from evidently.future.metrics import OutRangeValueCount
+
+
+def test_out_range_metric():
+    metric = OutRangeValueCount(column="a", left=0.5, right=1)
+    assert metric.left == 0.5
+    assert metric.right == 1