feat(gateway): safe type converter (1879 BUG-1/BUG-2)

tests/unit/test_converters.py

@@ -0,0 +1,24 @@
+import pytest
+
+from ingestor.converters import ConversionError, to_typed_value
+
+
+@pytest.mark.parametrize('raw,expected', [
+    ('false', False), ('False', False), ('0', False), ('no', False),
+    ('off', False), ('', False), ('true', True), ('1', True), (True, True),
+])
+def test_bool_from_json_string(raw, expected):
+    assert to_typed_value(raw, 'boolean') is expected
+
+
+def test_float_and_int():
+    assert to_typed_value('42.5', 'float') == 42.5
+    assert to_typed_value('7', 'int') == 7
+
+
+@pytest.mark.parametrize('raw,dtype', [
+    (None, 'int'), ('abc', 'float'), ('123.123', 'int'), (None, 'float'),
+])
+def test_invalid_raises_conversion_error(raw, dtype):
+    with pytest.raises(ConversionError):
+        to_typed_value(raw, dtype)