fix split parts

tests/functional/adapter/fixture_split_parts.py

@@ -0,0 +1,39 @@
+models__test_split_part_sql = """
+with data as (
+
+    select * from {{ ref('data_split_part') }}
+
+)
+
+select
+    {{ split_part('parts', 'split_on', 1) }} as actual,
+    result_1 as expected
+
+from data
+
+union all
+
+select
+    {{ split_part('parts', 'split_on', 2) }} as actual,
+    result_2 as expected
+
+from data
+
+union all
+
+select
+    {{ split_part('parts', 'split_on', 3) }} as actual,
+    result_3 as expected
+
+from data
+"""
+
+models__test_split_part_yml = """
+version: 2
+models:
+  - name: test_split_part
+    tests:
+      - assert_equal:
+          actual: actual
+          expected: expected
+"""

tests/functional/adapter/utils/test_utils.py

@@ -3,6 +3,10 @@
     models__test_datediff_sql,
     seeds__data_datediff_csv,
 )
+from tests.functional.adapter.fixture_split_parts import (
+    models__test_split_part_sql,
+    models__test_split_part_yml,
+)
 
 from dbt.tests.adapter.utils.fixture_datediff import models__test_datediff_yml
 from dbt.tests.adapter.utils.test_any_value import BaseAnyValue
@@ -100,7 +104,12 @@ class TestRight(BaseRight):
 
 
 class TestSplitPart(BaseSplitPart):
-    pass
+    @pytest.fixture(scope="class")
+    def models(self):
+        return {
+            "test_split_part.yml": models__test_split_part_yml,
+            "test_split_part.sql": self.interpolate_macro_namespace(models__test_split_part_sql, "split_part"),
+        }
 
 
 class TestStringLiteral(BaseStringLiteral):