test: add keyword str rejection tests for all entry points

Test that data='hello' (keyword) raises the same 'Strings must be
encoded before hashing' error as positional str for one-shot
functions, constructors, and update().

Author: ifduyue

tests/test_hashlib_compat.py

@@ -23,23 +23,36 @@ def test_str_rejected(self):
             for fn in (getattr(xxhash, f'{algo}_digest'),
                        getattr(xxhash, f'{algo}_intdigest'),
                        getattr(xxhash, f'{algo}_hexdigest')):
+                # positional str
                 with self.assertRaisesRegex(TypeError,
                         'Strings must be encoded before hashing'):
                     fn('hello')
+                # keyword str
+                with self.assertRaisesRegex(TypeError,
+                        'Strings must be encoded before hashing'):
+                    fn(data='hello')
 
     def test_str_rejected_constructor(self):
         for algo in ('xxh32', 'xxh64', 'xxh3_64', 'xxh3_128'):
             cls = getattr(xxhash, algo)
+            # positional str
             with self.assertRaisesRegex(TypeError,
                     'Strings must be encoded before hashing'):
                 cls('hello')
+            # keyword str
+            with self.assertRaisesRegex(TypeError,
+                    'Strings must be encoded before hashing'):
+                cls(data='hello')
 
     def test_str_rejected_update(self):
         for algo in ('xxh32', 'xxh64', 'xxh3_64', 'xxh3_128'):
             obj = getattr(xxhash, algo)()
             with self.assertRaisesRegex(TypeError,
                     'Strings must be encoded before hashing'):
                 obj.update('hello')
+            # also test that bytes work after
+            obj.update(b'hello')
+            self.assertIsInstance(obj.intdigest(), int)
 
     # ── data keyword ───────────────────────────────────────────────