Add pagination validator tests

Co-authored-by: OpenAI Codex <codex@openai.com>

Author: glensc

tests/test_utils.py

@@ -2,8 +2,8 @@
 """unit tests for the trakt.utils module"""
 from datetime import datetime
 
-from trakt.utils import (airs_date, build_uri, extract_ids, now, slugify,
-                         timestamp)
+from trakt.utils import (_validate_pagination_param, airs_date, build_uri,
+                         extract_ids, now, slugify, timestamp)
 
 
 def test_slugify():
@@ -83,3 +83,14 @@ def test_build_uri_pagination_validation():
 
     with raises(ValueError, match='limit must be a valid integer'):
         build_uri('shows/popular', limit='invalid')
+
+
+def test_validate_pagination_param_rejects_bools_and_fractional_floats():
+    """verify pagination validation rejects values that should not coerce"""
+    from pytest import raises
+
+    with raises(ValueError, match='page must be a valid integer'):
+        _validate_pagination_param('page', True)
+
+    with raises(ValueError, match='limit must be a valid integer'):
+        _validate_pagination_param('limit', 1.5)