Python _is_hex示例

示例#1

 def test_is_hex_ok_block_hash(self):
     value = "0x54d81a25b240c013d1c0d0d2e7f240ba062c9291aec0c2370eba43a6968acdda"
     self.assertEqual(len(value[2:]), 64)
     self.assertTrue(app._is_hex(value))

示例#2

 def test_is_hex_block_hash_too_long(self):
     value = "0x54d81a25b240c013d1c0d0d2e7f240ba062c9291aec0c2370eba43a6968acdda0"
     self.assertGreater(len(value[2:]), 64)
     self.assertFalse(app._is_hex(value))

示例#3

 def test_is_hex_ok_single_char(self):
     for x in "0123456789abcdefABCDEF":
         self.assertTrue(app._is_hex("0x%s" % x, length=1))

示例#4

 def test_is_hex_incorrect_prefix(self):
     for x in "0123456789abcdefABCDEF":
         self.assertFalse(app._is_hex(x, length=1))