def test_unpacking_packing_header_with_length():
""" Test for header (with length) for packing and unpacking
"""
tested_header = Header(SegTag.IVT2, length=10)
packed_header = tested_header.export()
unpacked = tested_header.parse(packed_header)
assert unpacked == tested_header
def test_comparision_header_without_length():
"""Test for comparing header and header 2 (without lenght) for packing and unpacking"""
tested_header2 = Header2(SegTag.IVT2)
tested_header = Header(SegTag.IVT2)
packed_header2 = tested_header2.export()
packed_header = tested_header.export()
unpacked2 = tested_header2.parse(packed_header2)
unpacked = tested_header.parse(packed_header)
assert unpacked2 != unpacked
assert packed_header2 != packed_header