1 files changed, 152 insertions, 0 deletions
diff --git a/tests/topotests/ospf-dual-stack/test_ospf_dual_stack.py b/tests/topotests/ospf-dual-stack/test_ospf_dual_stack.py
new file mode 100644
index 0000000000..5e7802fa04
--- /dev/null
+++ b/tests/topotests/ospf-dual-stack/test_ospf_dual_stack.py
@@ -0,0 +1,152 @@
+#!/usr/bin/python
+
+import os
+import sys
+import time
+import pytest
+import json
+
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+sys.path.append(os.path.join(CWD, "../lib/"))
+
+from mininet.topo import Topo
+from lib.topogen import Topogen, get_topogen
+
+from lib.common_config import (
+    start_topology,
+    write_test_header,
+    write_test_footer,
+    reset_config_on_routers,
+    stop_router,
+    start_router,
+    verify_rib,
+    create_static_routes,
+    step,
+    start_router_daemons,
+    shutdown_bringup_interface,
+    topo_daemons,
+    create_prefix_lists,
+    create_interfaces_cfg,
+    run_frr_cmd,
+)
+from lib.topolog import logger
+from lib.topojson import build_topo_from_json, build_config_from_json
+from lib.ospf import (
+    verify_ospf_neighbor,
+    verify_ospf6_neighbor,
+    create_router_ospf,
+    create_router_ospf6,
+    verify_ospf_summary,
+    redistribute_ospf,
+    verify_ospf_database,
+)
+
+# Global variables
+topo = None
+
+# Reading the data from JSON File for topology creation
+jsonFile = "{}/test_ospf_dual_stack.json".format(CWD)
+try:
+    with open(jsonFile, "r") as topoJson:
+        topo = json.load(topoJson)
+except IOError:
+    assert False, "Could not read file {}".format(jsonFile)
+
+
+class CreateTopo(Topo):
+    """Test topology builder."""
+
+    def build(self, *_args, **_opts):
+        """Build function."""
+        tgen = get_topogen(self)
+
+        # Building topology from json file
+        build_topo_from_json(tgen, topo)
+
+
+def setup_module(mod):
+    """Sets up the pytest environment."""
+    global topo
+    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...
+    tgen = Topogen(CreateTopo, mod.__name__)
+    # ... and here it calls Mininet initialization functions.
+
+    # get list of daemons needs to be started for this suite.
+    daemons = topo_daemons(tgen, topo)
+
+    # Starting topology, create tmp files which are loaded to routers
+    #  to start daemons and then start routers
+    start_topology(tgen, daemons)
+
+    # 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)
+
+    # Api call verify whether OSPF converged
+    ospf_covergence_ipv4 = verify_ospf_neighbor(tgen, topo)
+    assert ospf_covergence_ipv4 is True, "setup_module :Failed \n Error:" " {}".format(
+        ospf_covergence_ipv4
+    )
+
+    # Api call verify whether OSPF6 converged
+    ospf_covergence_ipv6 = verify_ospf6_neighbor(tgen, topo)
+    assert ospf_covergence_ipv6 is True, "setup_module :Failed \n Error:" " {}".format(
+        ospf_covergence_ipv6
+    )
+    logger.info("Running setup_module() done")
+
+
+def teardown_module(mod):
+    """
+    Teardown the pytest environment.
+
+    * `mod`: module name
+    """
+
+    logger.info("Running teardown_module to delete topology")
+    tgen = get_topogen()
+    # Stop topology 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_ospf_dual_stack(request):
+    """OSPF test dual stack."""
+
+    tc_name = request.node.name
+    write_test_header(tc_name)
+
+    # Don't run this test if we have any failure.
+    tgen = get_topogen()
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    global topo
+
+    step("Bring up the base configuration as per the JSON topology")
+    reset_config_on_routers(tgen)
+    write_test_footer(tc_name)
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))