fixup(dbt): Add test for revertible

tests/test_revertible.py

@@ -0,0 +1,30 @@
+import uuid
+from typing import ClassVar
+
+from attrs import frozen
+
+from ibis_typing import IbisSchema, evaluator, it, revertible
+from ibis_typing.revertible import AsRevertible, ExpressionExport, UUIDToStringExport
+
+
+def test_uuid_to_string_export_lifecycle(fetch_table):
+    @frozen
+    class BaseSchema(IbisSchema):
+        val: it.UUID = None
+
+        table_schema: ClassVar = {"val": "uuid"}
+
+    hive_export = (
+        BaseSchema @ AsRevertible(ExpressionExport) @ AsRevertible(UUIDToStringExport)
+    )
+
+    data = [BaseSchema(val=uuid.UUID(int=1))]
+
+    inputs = BaseSchema.of_rows(data)
+    exported = evaluator.from_expression(hive_export, inputs)
+    assert exported.table_schema.table_schema["val"] == "string"
+    imported = revertible.revert_all(exported)
+
+    actual = fetch_table(imported)
+
+    assert actual == data