improve: extract method for safe loading yaml file and avoid using PyYaml's FullLoader (#4031)

api/tests/unit_tests/utils/position_helper/test_position_helper.py

@@ -0,0 +1,34 @@
+from textwrap import dedent
+
+import pytest
+
+from core.utils.position_helper import get_position_map
+
+
+@pytest.fixture
+def prepare_example_positions_yaml(tmp_path, monkeypatch) -> str:
+    monkeypatch.chdir(tmp_path)
+    tmp_path.joinpath("example_positions.yaml").write_text(dedent(
+        """\
+        - first
+        - second
+        # - commented
+        - third
+        
+        - 9999999999999
+        - forth
+        """))
+    return str(tmp_path)
+
+
+def test_position_helper(prepare_example_positions_yaml):
+    position_map = get_position_map(
+        folder_path=prepare_example_positions_yaml,
+        file_name='example_positions.yaml')
+    assert len(position_map) == 4
+    assert position_map == {
+        'first': 0,
+        'second': 1,
+        'third': 2,
+        'forth': 3,
+    }