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""" This is unittest file for scenario.py """
import pytest
from pydnstest.scenario import Entry
RCODE_FLAGS = ['NOERROR', 'FORMERR', 'SERVFAIL', 'NXDOMAIN', 'NOTIMP', 'REFUSED', 'YXDOMAIN',
'YXRRSET', 'NXRRSET', 'NOTAUTH', 'NOTZONE', 'BADVERS']
OPCODE_FLAGS = ['QUERY', 'IQUERY', 'STATUS', 'NOTIFY', 'UPDATE']
FLAGS = ['QR', 'TC', 'AA', 'AD', 'RD', 'RA', 'CD']
def test_entry__get_flags():
"""Checks if all rcodes and opcodes are filtered out"""
expected_flags = Entry.get_flags(FLAGS)
for flag in RCODE_FLAGS + OPCODE_FLAGS:
rcode_flags = Entry.get_flags(FLAGS + [flag])
assert rcode_flags == expected_flags, \
'Entry._get_flags does not filter out "{flag}"'.format(flag=flag)
def test_entry__get_rcode():
"""
Checks if the error is raised for multiple rcodes
checks if None is returned for no rcode
checks if flags and opcode are filtered out
"""
with pytest.raises(ValueError):
Entry.get_rcode(RCODE_FLAGS[:2])
assert Entry.get_rcode(FLAGS) is None
assert Entry.get_rcode([]) is None
for rcode in RCODE_FLAGS:
given_rcode = Entry.get_rcode(FLAGS + OPCODE_FLAGS + [rcode])
assert given_rcode is not None, 'Entry.get_rcode does not recognize {rcode}'.format(
rcode=rcode)
def test_entry__get_opcode():
"""
Checks if the error is raised for multiple opcodes
checks if None is returned for no opcode
checks if flags and opcode are filtered out
"""
with pytest.raises(ValueError):
Entry.get_opcode(OPCODE_FLAGS[:2])
assert Entry.get_opcode(FLAGS) is None
assert Entry.get_opcode([]) is None
for opcode in OPCODE_FLAGS:
given_rcode = Entry.get_opcode(FLAGS + RCODE_FLAGS + [opcode])
assert given_rcode is not None, 'Entry.get_opcode does not recognize {opcode}'.format(
opcode=opcode)
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