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

@@ -1,5 +1,5 @@
 from dataclasses import dataclass, field
-from typing import Optional, Type
+from typing import FrozenSet, Optional, Type
 
 from dbt.adapters.base.relation import BaseRelation
 from dbt.adapters.relation_configs import RelationConfigChangeAction, RelationResults
@@ -20,13 +20,24 @@
 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,
-        }
+
+    renameable_relations: FrozenSet[SnowflakeRelationType] = field(
+        default_factory=lambda: frozenset(
+            {
+                SnowflakeRelationType.Table,
+                SnowflakeRelationType.View,
+            }
+        )
+    )
+
+    replaceable_relations: FrozenSet[SnowflakeRelationType] = field(
+        default_factory=lambda: frozenset(
+            {
+                SnowflakeRelationType.DynamicTable,
+                SnowflakeRelationType.Table,
+                SnowflakeRelationType.View,
+            }
+        )
     )
 
     @property

dbt/include/snowflake/macros/relations/dynamic_table/create.sql

@@ -6,6 +6,5 @@
         as (
             {{ sql }}
         )
-    ;
 
 {%- endmacro %}

tests/unit/test_renamed_relations.py

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