frr/tests/topotests/ospfv3_basic_functionality/test_ospfv3_nssa.py
Daniel Baumann 3aa6220597
Adding upstream version 10.2.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-02-05 10:17:11 +01:00

158 lines
4.7 KiB
Python

#!/usr/bin/python
from lib.topogen import Topogen, get_topogen
from lib.common_config import (
start_topology,
write_test_header,
write_test_footer,
reset_config_on_routers,
step,
)
from lib.topolog import logger
from lib.topojson import build_config_from_json
from lib.ospf import create_router_ospf, verify_ospf6_neighbor
import os
import sys
import time
import pytest
# Save the Current Working Directory to find configuration files.
CWD = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(CWD, "../"))
sys.path.append(os.path.join(CWD, "../lib/"))
# pylint: disable=C0413
pytestmark = [pytest.mark.ospfd]
# Global variables
topo = None
"""
TOPOOLOGY
+---+ 0.0.0.0 +---+ 1.1.1.1 +---+
+R1 +------------+R2 |------------+R3 |
+-+-+ +--++ +--++
TESTCASES =
1. OSPF Verify E-bit mismatch between R2 and R3
2. OSPF Verify N-bit mismatch between R2 and R3
"""
def setup_module(mod):
"""
Sets up the pytest environment
* `mod`: module name
"""
testsuite_run_time = time.asctime(time.localtime(time.time()))
logger.info("Testsuite start time: {}".format(testsuite_run_time))
logger.info("=" * 40)
logger.info("Running setup_module to create topology")
# This function initiates the topology build with Topogen...
json_file = "{}/ospfv3_nssa.json".format(CWD)
tgen = Topogen(json_file, mod.__name__)
global topo
topo = tgen.json_topo
# ... and here it calls Mininet initialization functions.
# Starting topology, create tmp files which are loaded to routers
# to start daemons and then start routers
start_topology(tgen)
# Creating configuration from JSON
build_config_from_json(tgen, topo)
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
result = verify_ospf6_neighbor(tgen, topo)
assert result is True, "setup_module: Failed \n Error: {}".format(result)
logger.info("Running setup_module() done")
def teardown_module():
"""
Teardown the pytest environment.
* `mod`: module name
"""
logger.info("Running teardown_module to delete topology")
tgen = get_topogen()
# Stop toplogy and Remove tmp files
tgen.stop_topology()
logger.info(
"Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
)
logger.info("=" * 40)
# ##################################
# Test cases start here.
# ##################################
def test_ospfv3_bit_mismatch(request):
"""OSPF verify E-bit and N-bit mismatch."""
tc_name = request.node.name
write_test_header(tc_name)
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
global topo
step("Bring up the base config as per the topology")
reset_config_on_routers(tgen)
input_dict = {"r3": {"ospf6": {"neighbors": []}}}
step("Configure r3 as stub router")
stub = {"r3": {"ospf6": {"area": [{"id": "1.1.1.1", "type": "stub"}]}}}
result = create_router_ospf(tgen, topo, stub)
assert result is True, "Testcase {}: Failed \n Error: {}".format(tc_name, result)
# Verify r3 lost its adjacency with r2 due to E-bit mismatch
result = verify_ospf6_neighbor(tgen, topo, dut="r3", input_dict=input_dict)
assert result is True, "Testcase {}: Failed \n Error: {}".format(tc_name, result)
step("Configure r2 as stub router")
stub = {"r2": {"ospf6": {"area": [{"id": "1.1.1.1", "type": "stub"}]}}}
result = create_router_ospf(tgen, topo, stub)
assert result is True, "Testcase {}: Failed \n Error: {}".format(tc_name, result)
# Verify r3 has an adjacency up with r2 again
result = verify_ospf6_neighbor(tgen, topo, dut="r3")
assert result is True, "Testcase {}: Failed \n Error: {}".format(tc_name, result)
step("Configure r3 as NSSA router")
nssa = {"r3": {"ospf6": {"area": [{"id": "1.1.1.1", "type": "nssa"}]}}}
result = create_router_ospf(tgen, topo, nssa)
# Verify r3 lost its adjacency with r2 due to N-bit mismatch
result = verify_ospf6_neighbor(tgen, topo, dut="r3", input_dict=input_dict)
assert result is True, "Testcase {}: Failed \n Error: {}".format(tc_name, result)
step("Configure r2 as NSSA router")
nssa = {"r2": {"ospf6": {"area": [{"id": "1.1.1.1", "type": "nssa"}]}}}
result = create_router_ospf(tgen, topo, nssa)
# Verify r3 has an adjacency up with r2 again
result = verify_ospf6_neighbor(tgen, topo, dut="r3")
assert result is True, "Testcase {}: Failed \n Error: {}".format(tc_name, result)
write_test_footer(tc_name)
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))