adding pytest

core/dbt/contracts/graph/metrics.py

@@ -50,7 +50,7 @@ def parent_metrics_names(cls, metric_node, manifest):
     @classmethod
     def reverse_dag_parsing(cls, metric_node, manifest, metric_depth_count):
         if metric_node.type == "expression":
-            yield {metric_node.unique_id:metric_depth_count}
+            yield {metric_node.name:metric_depth_count}
             metric_depth_count = metric_depth_count+1
 
         for parent_unique_id in metric_node.depends_on.nodes:

tests/functional/metrics/test_metric_helper_functions.py

@@ -81,10 +81,28 @@ def test_expression_metric(
         manifest = get_manifest(project.project_root)
         parsed_metric = manifest.metrics["metric.test.average_tenure_plus_one"]
         testing_metric = ResolvedMetricReference(parsed_metric, manifest, None)
+
+
         full_metric_dependency = set(testing_metric.full_metric_dependency())
-
         expected_full_metric_dependency = set(
             ["average_tenure_plus_one", "average_tenure", "collective_tenure", "number_of_people"]
         )
-
         assert full_metric_dependency == expected_full_metric_dependency
+
+        base_metric_dependency = set(testing_metric.base_metric_dependency())
+        expected_base_metric_dependency = set(
+            ["collective_tenure", "number_of_people"]
+        )
+        assert base_metric_dependency == expected_base_metric_dependency
+
+        derived_metric_dependency = set(testing_metric.derived_metric_dependency())
+        expected_derived_metric_dependency = set(
+            ["average_tenure_plus_one", "average_tenure"]
+        )
+        assert derived_metric_dependency == expected_derived_metric_dependency
+
+        derived_metric_dependency_depth = list(testing_metric.derived_metric_dependency_depth())
+        expected_derived_metric_dependency_depth = list(
+            [{"average_tenure_plus_one":1}, {"average_tenure":2}]
+        )
+        assert derived_metric_dependency_depth == expected_derived_metric_dependency_depth