(self)
| 834 | test_error_propagation('n') |
| 835 | |
| 836 | def test_custom_struct_init(self): |
| 837 | # Regression test for https://github.com/python/cpython/issues/112358 |
| 838 | class MyStruct(struct.Struct): |
| 839 | def __init__(self, *args, **kwargs): |
| 840 | super().__init__('>h') |
| 841 | |
| 842 | my_struct = MyStruct('>h') |
| 843 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 844 | my_struct = MyStruct(format='>h') |
| 845 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 846 | |
| 847 | warnmsg = r"Different format arguments for __new__\(\) and __init__\(\) methods of Struct" |
| 848 | with self.assertWarnsRegex(FutureWarning, warnmsg): |
| 849 | my_struct = MyStruct('<h') |
| 850 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 851 | with self.assertWarnsRegex(FutureWarning, warnmsg): |
| 852 | my_struct = MyStruct(format='<h') |
| 853 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 854 | |
| 855 | warnmsg = r"Struct\(\) missing required argument 'format' \(pos 1\)" |
| 856 | with self.assertWarnsRegex(DeprecationWarning, warnmsg): |
| 857 | my_struct = MyStruct() |
| 858 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 859 | with self.assertWarnsRegex(DeprecationWarning, warnmsg): |
| 860 | my_struct = MyStruct(arg='>h') |
| 861 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 862 | |
| 863 | warnmsg = r"Struct\(\) takes at most 1 argument \(2 given\)" |
| 864 | with self.assertWarnsRegex(DeprecationWarning, warnmsg): |
| 865 | my_struct = MyStruct('>h', 42) |
| 866 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 867 | with self.assertWarnsRegex(DeprecationWarning, warnmsg): |
| 868 | my_struct = MyStruct('>h', arg=42) |
| 869 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 870 | with self.assertWarnsRegex(DeprecationWarning, warnmsg): |
| 871 | my_struct = MyStruct('>h', format=42) |
| 872 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 873 | with self.assertWarnsRegex(DeprecationWarning, warnmsg): |
| 874 | my_struct = MyStruct(format='>h', arg=42) |
| 875 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 876 | |
| 877 | warnmsg = r"Invalid 'format' argument for Struct\.__new__\(\): " |
| 878 | with self.assertWarnsRegex(DeprecationWarning, warnmsg + '.*must be'): |
| 879 | my_struct = MyStruct(42) |
| 880 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 881 | with self.assertWarnsRegex(DeprecationWarning, warnmsg + '.*must be'): |
| 882 | my_struct = MyStruct(format=42) |
| 883 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 884 | with self.assertWarnsRegex(DeprecationWarning, warnmsg + 'bad char'): |
| 885 | my_struct = MyStruct('$') |
| 886 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 887 | with self.assertWarnsRegex(DeprecationWarning, warnmsg + 'bad char'): |
| 888 | my_struct = MyStruct(format='$') |
| 889 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 890 | with self.assertWarnsRegex(DeprecationWarning, warnmsg + "non-ASCII"): |
| 891 | my_struct = MyStruct('\udc00') |
| 892 | self.assertEqual(my_struct.pack(12345), b'\x30\x39') |
| 893 | with self.assertWarnsRegex(DeprecationWarning, warnmsg + "non-ASCII"): |
nothing calls this directly
no test coverage detected