Add (failing) tests: are hasattr(newstr(), 'decode') and hasattr(newbytes(), 'encode') False like on Py3?

edschofield · edschofield · commit 980bf5db0f5b · 2014-04-12T22:30:54.000+10:00
diff --git a/future/tests/test_bytes.py b/future/tests/test_bytes.py
@@ -464,6 +464,14 @@ def test_bytes_within_range(self):
         with self.assertRaises(ValueError):
             b2 = bytes([254, 255, 256])
 
+    def test_bytes_hasattr_encode(self):
+        """
+        This test tests whether hasattr(b, 'encode') is False, like it is on Py3.
+        """
+        b = bytes(b'abcd')
+        self.assertFalse(hasattr(b, 'encode'))
+        self.assertTrue(hasattr(b, 'decode'))
+
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/future/tests/test_str.py b/future/tests/test_str.py
@@ -78,6 +78,19 @@ def test_str_is_str(self):
     def test_str_fromhex(self):
         self.assertFalse(hasattr(str, 'fromhex'))
 
+    def test_str_hasattr_decode(self):
+        """
+        This test tests whether hasattr(s, 'decode') is False, like it is on Py3.
+
+        Sometimes code (such as http.client in Py3.3) checks hasattr(mystring,
+        'decode') to determine if a string-like thing needs encoding. It would
+        be nice to have this return False so the string can be treated on Py2
+        like a Py3 string.
+        """
+        s = str(u'abcd')
+        self.assertFalse(hasattr(s, 'decode'))
+        self.assertTrue(hasattr(s, 'encode'))
+
     def test_isinstance_str(self):
         self.assertTrue(isinstance(str('blah'), str))
 
