def test_signature_not_string_fails(self): self.assertFalse(primatives.signature_is_formatted(123))
def test_signature_too_short_fails(self): self.assertFalse(primatives.signature_is_formatted('a' * 12))
def test_signature_not_hex_fails(self): self.assertFalse(primatives.signature_is_formatted('x' * 128))
def test_signature_formatted_passes(self): self.assertTrue(primatives.signature_is_formatted('a' * 128))