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|
import pytest
from eth_utils import (
is_hex,
)
@pytest.mark.parametrize(
"value,expected",
(
("", False), # empty string
("0x", True), # empty string
("0X", True), # empty string
("abcdef1234567890", True),
("ABCDEF1234567890", True),
("AbCdEf1234567890", True),
("0xabcdef1234567890", True),
("0xABCDEF1234567890", True),
("0xAbCdEf1234567890", True),
("12345", True), # odd length
("0x12345", True), # odd length
("123456xx", False), # non-hex character
("0x123456xx", False), # non-hex character
("0\u0080", False), # triggers different exceptions in py2 and py3
),
)
def test_is_hex(value, expected):
actual = is_hex(value)
assert actual is expected
@pytest.mark.parametrize("value", (b"", 123, {}, lambda: None))
def test_is_hex_rejects_non_text_types(value):
with pytest.raises(TypeError):
is_hex(value)
|
