test: implement basic unit tests for OrderByFieldBindingsMap

tests/unit/tests_utils/test_orderby_field_bindings_map.py

@@ -0,0 +1,48 @@
+"""Basic unit tests for OrderableFieldsBindingsMap"""
+
+from typing import Annotated
+
+from pydantic import BaseModel
+import pytest
+from rdfproxy.utils._types import SPARQLBinding
+from rdfproxy.utils.utils import OrderableFieldsBindingsMap
+
+
+class ReallyDeeplyNestedModel(BaseModel):
+    c: Annotated[str, SPARQLBinding("C_ALIAS")]
+
+
+class DeeplyNestedModel(BaseModel):
+    really_deeply_nested: ReallyDeeplyNestedModel
+    really_deeply_nested_list: list[ReallyDeeplyNestedModel]
+
+
+class NestedModel(BaseModel):
+    b: Annotated[str, SPARQLBinding("B_ALIAS")]
+    deeply_nested: DeeplyNestedModel
+
+
+class TopModel(BaseModel):
+    a: str
+    nested: NestedModel
+    nested_list: list[NestedModel]
+    nested_alias_list: Annotated[list[NestedModel], SPARQLBinding("NOT_ORDERABLE")]
+    some_list: list[int]
+
+
+def test_basic_ordery_by_field_bindings_map():
+    mapping = OrderableFieldsBindingsMap(model=TopModel)
+
+    expected = {
+        "a": "a",
+        "NestedModel.b": "B_ALIAS",
+        "ReallyDeeplyNestedModel.c": "C_ALIAS",
+    }
+    assert mapping == expected
+
+
+def test_sad_ordery_by_field_bindings_map():
+    mapping = OrderableFieldsBindingsMap(model=TopModel)
+
+    with pytest.raises(ValueError):
+        mapping["dne"]