Improve test assertion to verify pydantic validation details are injected

Copilot · nathanjmcdougall · web-flow · commit 6f13a8994ce5 · 2026-04-09T20:47:57.000Z
Agent-Logs-Url: https://github.com/usethis-python/usethis-python/sessions/c1bb2774-9802-4976-9c81-851b72ce5735 Co-authored-by: nathanjmcdougall <18602289+nathanjmcdougall@users.noreply.github.com>
diff --git a/tests/usethis/_file/test_validate.py b/tests/usethis/_file/test_validate.py
@@ -46,7 +46,9 @@ def test_custom_error_msg_preserved(self):
     def test_validation_details_injected(self):
         with pytest.raises(_CustomError, match="validation error") as exc_info:
             validate_or_raise(str, 123, err=_CustomError("bad type"))
-        assert "bad type" in str(exc_info.value)
+        msg = str(exc_info.value)
+        assert "bad type" in msg
+        assert "Input should be a valid string" in msg
 
     def test_coercion(self):
         result = validate_or_raise(float, 1, err=_CustomError("fail"))
