setup tests for autorefresh; demonstrate current state works and futu…

…re state doesn't work

tests/functional/adapter/materialized_view_tests/files.py

@@ -67,3 +67,21 @@
     record_valid_date
 from {{ ref('my_seed') }}
 """
+
+
+MY_MATERIALIZED_VIEW_AUTOREFRESH_ON = """
+{{ config(
+    materialized='materialized_view',
+    enable_refresh=True,
+) }}
+select * from {{ ref('my_seed') }}
+"""
+
+
+MY_MATERIALIZED_VIEW_AUTOREFRESH_OFF = """
+{{ config(
+    materialized='materialized_view',
+    enable_refresh=False,
+) }}
+select * from {{ ref('my_seed') }}
+"""

tests/functional/adapter/materialized_view_tests/test_auto_refresh.py

@@ -0,0 +1,35 @@
+from datetime import datetime
+
+import pytest
+from dbt.contracts.relation import RelationType
+from dbt.tests.adapter.materialized_view.auto_refresh import (
+    MaterializedViewAutoRefreshNoChanges,
+)
+
+from dbt.adapters.bigquery.relation import BigQueryRelation
+
+from tests.functional.adapter.materialized_view_tests import files
+
+
+class TestMaterializedViewAutoRefreshNoChanges(MaterializedViewAutoRefreshNoChanges):
+    @pytest.fixture(scope="class", autouse=True)
+    def seeds(self):
+        yield {"my_seed.csv": files.MY_SEED}
+
+    @pytest.fixture(scope="class", autouse=True)
+    def models(self):
+        yield {
+            "auto_refresh_on.sql": files.MY_MATERIALIZED_VIEW_AUTOREFRESH_ON,
+            "auto_refresh_off.sql": files.MY_MATERIALIZED_VIEW_AUTOREFRESH_OFF,
+        }
+
+    def last_refreshed(self, project, materialized_view: str) -> datetime:
+        relation = BigQueryRelation.create(
+            database=project.database,
+            schema=project.test_schema,
+            identifier=materialized_view,
+            type=RelationType.MaterializedView,
+        )
+        with project.adapter.connection_named("__test"):
+            last_refresh_results = project.adapter.get_bq_table(relation)
+        return last_refresh_results.mview_last_refresh_time or last_refresh_results.created