Bound HyperbrowserError message rendering length

Co-authored-by: Shri Sukhani <shrisukhani@users.noreply.github.com>

Author: cursoragent

hyperbrowser/exceptions.py

@@ -1,6 +1,20 @@
 # exceptions.py
 from typing import Optional, Any
 
+_MAX_EXCEPTION_DISPLAY_LENGTH = 2000
+_TRUNCATED_EXCEPTION_DISPLAY_SUFFIX = "... (truncated)"
+
+
+def _truncate_exception_text(text_value: str) -> str:
+    if len(text_value) <= _MAX_EXCEPTION_DISPLAY_LENGTH:
+        return text_value
+    available_length = _MAX_EXCEPTION_DISPLAY_LENGTH - len(
+        _TRUNCATED_EXCEPTION_DISPLAY_SUFFIX
+    )
+    if available_length <= 0:
+        return _TRUNCATED_EXCEPTION_DISPLAY_SUFFIX
+    return f"{text_value[:available_length]}{_TRUNCATED_EXCEPTION_DISPLAY_SUFFIX}"
+
 
 def _safe_exception_text(value: Any, *, fallback: str) -> str:
     try:
@@ -12,7 +26,7 @@ def _safe_exception_text(value: Any, *, fallback: str) -> str:
         for character in text_value
     )
     if sanitized_value.strip():
-        return sanitized_value
+        return _truncate_exception_text(sanitized_value)
     return fallback
 
 

tests/test_exceptions.py

@@ -37,3 +37,19 @@ def test_hyperbrowser_error_str_uses_placeholder_for_blank_message():
     error = HyperbrowserError("   ")
 
     assert str(error) == "Hyperbrowser error"
+
+
+def test_hyperbrowser_error_str_truncates_oversized_message():
+    error = HyperbrowserError("x" * 2500)
+
+    assert str(error).endswith("... (truncated)")
+    assert len(str(error)) <= 2000
+
+
+def test_hyperbrowser_error_str_truncates_oversized_original_error_message():
+    root_cause = ValueError("y" * 2500)
+    error = HyperbrowserError("request failed", original_error=root_cause)
+
+    rendered_error = str(error)
+    assert "Caused by ValueError:" in rendered_error
+    assert rendered_error.endswith("... (truncated)")