def test_valid(self):
"""Test field formats that are valid ElementString elements."""
test_fields = [
("a", "c"), # single character
("b", "2c"), # 2 char string
("c", "10s"), # 10 char string (variable)
("d", "5p"), # 5 char string (fixed)
]
for field in test_fields:
with self.subTest(field): # pylint: disable=no-member
out = ElementString.valid(field)
self.assertTrue(out)
def test_not_valid(self):
"""Test field formats that are not valid ElementString elements."""
test_fields = [
("a", "4x"), # 4 pad bytes
("b", "z"), # invalid
("c", "1"), # invalid
("d", "9S"), # invalid (must be lowercase)
("e", "/"), # invalid
("a", "b"), # signed byte: -128, 127
("b", "H"), # unsigned short: 0, 65535
("d", "L"), # unsigned long: 0, 2^32-1
("e", "?"), # bool: 0, 1
]
for field in test_fields:
with self.subTest(field): # pylint: disable=no-member
out = ElementString.valid(field)
self.assertFalse(out)
