Add test and move semantics.

.changes/unreleased/Under the Hood-20240227-010428.yaml

@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: Add unit test for transaction semantics.
+time: 2024-02-27T01:04:28.713433-08:00
+custom:
+  Author: versusfacit
+  Issue: "912"

dbt/adapters/snowflake/relation.py

@@ -19,14 +19,27 @@
 @dataclass(frozen=True, eq=False, repr=False)
 class SnowflakeRelation(BaseRelation):
     type: Optional[SnowflakeRelationType] = None  # type: ignore
-    quote_policy: SnowflakeQuotePolicy = field(default_factory=lambda: SnowflakeQuotePolicy())
-    renameable_relations = frozenset({SnowflakeRelationType.Table, SnowflakeRelationType.View})
-    replaceable_relations = frozenset(
-        {
-            SnowflakeRelationType.DynamicTable,
-            SnowflakeRelationType.Table,
-            SnowflakeRelationType.View,
-        }
+    quote_policy: SnowflakeQuotePolicy = field(
+        default_factory=lambda: SnowflakeQuotePolicy()
+    )
+
+    renameable_relations: FrozenSet[RelationType] = field(
+        default_factory=lambda: frozenset(
+            {
+                SnowflakeRelationType.Table,
+                SnowflakeRelationType.View,
+            }
+        )
+    )
+
+    replaceable_relations: FrozenSet[RelationType] = field(
+        default_factory=lambda: frozenset(
+            {
+                SnowflakeRelationType.DynamicTable,
+                SnowflakeRelationType.Table,
+                SnowflakeRelationType.View,
+            }
+        )
     )
 
     @property
@@ -48,17 +61,24 @@ def dynamic_table_config_changeset(
         existing_dynamic_table = SnowflakeDynamicTableConfig.from_relation_results(
             relation_results
         )
-        new_dynamic_table = SnowflakeDynamicTableConfig.from_relation_config(relation_config)
+        new_dynamic_table = SnowflakeDynamicTableConfig.from_relation_config(
+            relation_config
+        )
 
         config_change_collection = SnowflakeDynamicTableConfigChangeset()
 
         if new_dynamic_table.target_lag != existing_dynamic_table.target_lag:
-            config_change_collection.target_lag = SnowflakeDynamicTableTargetLagConfigChange(
-                action=RelationConfigChangeAction.alter,
-                context=new_dynamic_table.target_lag,
+            config_change_collection.target_lag = (
+                SnowflakeDynamicTableTargetLagConfigChange(
+                    action=RelationConfigChangeAction.alter,
+                    context=new_dynamic_table.target_lag,
+                )
             )
 
-        if new_dynamic_table.snowflake_warehouse != existing_dynamic_table.snowflake_warehouse:
+        if (
+            new_dynamic_table.snowflake_warehouse
+            != existing_dynamic_table.snowflake_warehouse
+        ):
             config_change_collection.snowflake_warehouse = (
                 SnowflakeDynamicTableWarehouseConfigChange(
                     action=RelationConfigChangeAction.alter,

dev-requirements.txt

@@ -1,7 +1,7 @@
 # install latest changes in dbt-core
 # TODO: how to automate switching from develop to version branches?
 git+https://github.com/dbt-labs/dbt-core.git#egg=dbt-core&subdirectory=core
-git+https://github.com/dbt-labs/dbt-adapters.git
+git+https://github.com/dbt-labs/dbt-adapters.git@ADAP-108/fix_renamed_relations_for_1.8
 git+https://github.com/dbt-labs/dbt-adapters.git#subdirectory=dbt-tests-adapter
 
 # if version 1.x or greater -> pin to major version

tests/unit/test_renamed_relations.py

@@ -0,0 +1,17 @@
+from dbt.adapters.snowflake.relation import SnowflakeRelation
+from dbt.adapters.contracts.relation import RelationType
+
+
+def test_renameable_relation():
+    relation = SnowflakeRelation.create(
+        database="my_db",
+        schema="my_schema",
+        identifier="my_table",
+        type=RelationType.Table,
+    )
+    assert relation.renameable_relations == frozenset(
+        {
+            SnowflakeRelationType.Table,
+            SnowflakeRelationType.View,
+        }
+    )