fix!: ensure deps are not functions closes #1945 (#1953)

Author: tobymao

sqlmesh/core/dialect.py

@@ -891,7 +891,7 @@ def find_tables(
             normalize_model_name(table, default_catalog=default_catalog, dialect=dialect)
             for scope in traverse_scope(expression)
             for table in scope.tables
-            if table.name not in scope.cte_sources
+            if table.name and table.name not in scope.cte_sources
         }
     return expression.meta[TABLES_META]
 

tests/core/test_test.py

@@ -496,3 +496,29 @@ def test_test_generation(tmp_path: Path) -> None:
     test = load_yaml(context.path / c.TESTS / "foo/bar.yaml")
     assert len(test) == 1
     assert "new_name" in test
+
+
+def test_source_func() -> None:
+    result = _create_test(
+        body=load_yaml(
+            """
+test_foo:
+    model: xyz
+    outputs:
+        query:
+            - month: 2023-01-01
+            - month: 2023-02-01
+            - month: 2023-03-01
+"""
+        ),
+        test_name="test_foo",
+        model=_create_model(
+            """
+            SELECT range::DATE AS month
+            FROM RANGE(DATE '2023-01-01', DATE '2023-04-01', INTERVAL 1 MONTH) AS r
+            """
+        ),
+        context=Context(config=Config(model_defaults=ModelDefaultsConfig(dialect="duckdb"))),
+    ).run()
+
+    assert result and result.wasSuccessful()