Safely map integers

tests/test_dancerush.py

@@ -0,0 +1,19 @@
+from __future__ import annotations
+
+import pytest
+
+from model.dancerush import safe_int
+
+
+@pytest.mark.parametrize(
+    'input_value, expected_output', [
+        ('42', 42),
+        ('0', 0),
+        ('-100', -100),
+        (None, None),
+        ('abc', None),
+        ([1, 2, 3], None),
+    ],
+)
+def test_safe_int(input_value, expected_output):
+    assert safe_int(input_value) == expected_output