tests: Avoid importing unused modules

tests/topotests/eigrp_topo1/test_eigrp_topo1.py

@@ -143,7 +143,6 @@ def test_zebra_ipv4_routingTable():
     if tgen.routers_have_failure():
         pytest.skip(tgen.errors)
 
-    failures = 0
     router_list = tgen.routers().values()
     for router in router_list:
         output = router.vtysh_cmd("show ip route json", isjson=True)

tests/topotests/evpn_type5_test_topo1/test_evpn_type5_topo1.py

@@ -22,7 +22,6 @@
 
 import os
 import sys
-import json
 import time
 import pytest
 import platform
@@ -69,7 +68,7 @@
     verify_attributes_for_evpn_routes,
     verify_evpn_routes,
 )
-from lib.topojson import build_topo_from_json, build_config_from_json
+from lib.topojson import build_config_from_json
 
 pytestmark = [pytest.mark.bgpd, pytest.mark.staticd]
 

tests/topotests/fpm_testing_topo1/test_fpm_topo1.py

@@ -14,7 +14,6 @@
 
 """
 import os
-import re
 import sys
 import pytest
 import json
@@ -28,7 +27,6 @@
 # Import topogen and topotest helpers
 from lib import topotest
 from lib.topogen import Topogen, TopoRouter, get_topogen
-from lib.topolog import logger
 
 
 pytestmark = [pytest.mark.fpm, pytest.mark.sharpd]

tests/topotests/grpc_basic/test_basic_grpc.py

@@ -19,7 +19,6 @@
 from lib.common_config import step
 from lib.micronet import commander
 from lib.topogen import Topogen, TopoRouter
-from lib.topolog import logger
 from lib.topotest import json_cmp
 
 CWD = os.path.dirname(os.path.realpath(__file__))
@@ -60,7 +59,7 @@ def tgen(request):
     tgen.start_topology()
     router_list = tgen.routers()
 
-    for rname, router in router_list.items():
+    for _, router in router_list.items():
         router.load_config(TopoRouter.RD_ZEBRA, "zebra.conf", f"-M grpc:{GRPCP_ZEBRA}")
         router.load_config(TopoRouter.RD_STATIC, "", f"-M grpc:{GRPCP_STATICD}")
         # router.load_config(TopoRouter.RD_BFDD, "", f"-M grpc:{GRPCP_BFDD}")

tests/topotests/isis_advertise_high_metrics/test_isis_advertise_high_metrics.py

@@ -30,16 +30,13 @@
 import sys
 import pytest
 import json
-from time import sleep
-from functools import partial
 
 # Save the Current Working Directory to find configuration files.
 CWD = os.path.dirname(os.path.realpath(__file__))
 sys.path.append(os.path.join(CWD, "../"))
 
 # pylint: disable=C0413
 # Import topogen and topotest helpers
-from lib import topotest
 from lib.common_config import (
     retry,
     stop_router,

tests/topotests/isis_lfa_topo1/test_isis_lfa_topo1.py

@@ -42,7 +42,6 @@
 import sys
 import pytest
 import json
-import time
 import tempfile
 from functools import partial
 
@@ -169,7 +168,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
 
@@ -832,7 +831,7 @@ def _rt2_neigh_down(router):
     rname = "rt1"
     router = tgen.gears[rname]
     test_func = partial(_rt2_neigh_down, router)
-    success, result = topotest.run_and_expect(test_func, None, count=200, wait=0.05)
+    _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.05)
     assert result is None, 'rt2 neighbor is still present on "{}"'.format(router)
 
     router_compare_json_output(
@@ -1034,7 +1033,7 @@ def _bfd_down(router):
     rname = "rt1"
     router = tgen.gears[rname]
     test_func = partial(_bfd_down, router)
-    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.3)
+    _, result = topotest.run_and_expect(test_func, None, count=30, wait=0.3)
     assert result is None, 'BFD session is still up on "{}"'.format(router)
 
     router_compare_json_output(

tests/topotests/isis_lsp_bits_topo1/test_isis_lsp_bits_topo1.py

@@ -131,7 +131,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
 

tests/topotests/isis_rlfa_topo1/test_isis_rlfa_topo1.py

@@ -170,7 +170,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
 

tests/topotests/isis_snmp/test_isis_snmp.py

@@ -147,7 +147,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
 

tests/topotests/isis_sr_flex_algo_topo1/test_isis_sr_flex_algo_topo1.py

@@ -37,7 +37,6 @@
 import sys
 import pytest
 import json
-import tempfile
 from copy import deepcopy
 from functools import partial
 
@@ -121,7 +120,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
     tgen.stop_topology()

tests/topotests/isis_sr_flex_algo_topo2/test_isis_sr_flex_algo_topo2.py

@@ -47,7 +47,6 @@
 import sys
 import pytest
 import json
-import time
 from functools import partial
 
 # Save the Current Working Directory to find configuration files.
@@ -67,7 +66,6 @@
 def build_topo(tgen):
     "Build function"
 
-    routers = []
     for i in range(0, 10):
         rt = tgen.add_router("rt{}".format(i))
         rt.run("sysctl -w net.ipv4.fib_multipath_hash_policy=1")
@@ -140,7 +138,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
     tgen.stop_topology()
@@ -174,7 +172,7 @@ def _check(name, cmd, expected_file):
     logger.info('[+] check {} "{}" {}'.format(name, cmd, expected_file))
     tgen = get_topogen()
     func = partial(_check, name, cmd, expected_file)
-    success, result = topotest.run_and_expect(func, None, count=120, wait=0.5)
+    _, result = topotest.run_and_expect(func, None, count=120, wait=0.5)
     assert result is None, "Failed"
 
 

tests/topotests/isis_sr_te_topo1/test_isis_sr_te_topo1.py

@@ -164,7 +164,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
 
@@ -641,7 +641,7 @@ def test_srte_route_map_with_sr_policy_check_nextop_step5():
     )
 
     # (re-)build the SR Policy two times to ensure that reinstalling still works
-    for i in [1, 2]:
+    for _ in [1, 2]:
         cmp_json_output(
             "rt1", "show ip route bgp json", "step5/show_ip_route_bgp_inactive_srte.ref"
         )

tests/topotests/isis_sr_topo1/test_isis_sr_topo1.py

@@ -137,7 +137,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
 

tests/topotests/isis_srv6_topo1/test_isis_srv6_topo1.py

@@ -60,7 +60,6 @@
 """
 
 import os
-import re
 import sys
 import json
 import functools
@@ -212,7 +211,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
 
     # Teardown the topology
@@ -250,7 +249,7 @@ def _check(name, dest_addr, match):
     logger.info("[+] check {} {} {}".format(name, dest_addr, match))
     tgen = get_topogen()
     func = functools.partial(_check, name, dest_addr, match)
-    success, result = topotest.run_and_expect(func, None, count=10, wait=1)
+    _, result = topotest.run_and_expect(func, None, count=10, wait=1)
     assert result is None, "Failed"
 
 

tests/topotests/isis_tilfa_topo1/test_isis_tilfa_topo1.py

@@ -54,7 +54,6 @@
 import sys
 import pytest
 import json
-import tempfile
 from functools import partial
 from time import sleep
 
@@ -144,7 +143,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
 

tests/topotests/isis_topo1/test_isis_topo1.py

@@ -104,7 +104,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
 
@@ -160,7 +160,7 @@ def compare_isis_installed_routes(router, expected):
             return topotest.json_cmp(actual, expected)
 
         test_func = functools.partial(compare_isis_installed_routes, router, expected)
-        (result, diff) = topotest.run_and_expect(test_func, None, wait=1, count=10)
+        (result, _) = topotest.run_and_expect(test_func, None, wait=1, count=10)
         assertmsg = "Router '{}' routes mismatch".format(rname)
         assert result, assertmsg
 
@@ -205,7 +205,7 @@ def compare_isis_v6_installed_routes(router, expected):
         test_func = functools.partial(
             compare_isis_v6_installed_routes, router, expected
         )
-        (result, diff) = topotest.run_and_expect(test_func, None, wait=1, count=10)
+        (result, _) = topotest.run_and_expect(test_func, None, wait=1, count=10)
         assertmsg = "Router '{}' routes mismatch".format(rname)
         assert result, assertmsg
 
@@ -237,7 +237,7 @@ def test_isis_summary_json():
         pytest.skip(tgen.errors)
 
     logger.info("Checking 'show isis summary json'")
-    for rname, router in tgen.routers().items():
+    for rname, _ in tgen.routers().items():
         logger.info("Checking router %s", rname)
         json_output = tgen.gears[rname].vtysh_cmd("show isis summary json", isjson=True)
         assertmsg = "Test isis summary json failed in '{}' data '{}'".format(
@@ -257,7 +257,7 @@ def test_isis_interface_json():
         pytest.skip(tgen.errors)
 
     logger.info("Checking 'show isis interface json'")
-    for rname, router in tgen.routers().items():
+    for rname, _ in tgen.routers().items():
         logger.info("Checking router %s", rname)
         json_output = tgen.gears[rname].vtysh_cmd(
             "show isis interface json", isjson=True
@@ -294,7 +294,7 @@ def test_isis_neighbor_json():
 
     # tgen.mininet_cli()
     logger.info("Checking 'show isis neighbor json'")
-    for rname, router in tgen.routers().items():
+    for rname, _ in tgen.routers().items():
         logger.info("Checking router %s", rname)
         json_output = tgen.gears[rname].vtysh_cmd(
             "show isis neighbor json", isjson=True
@@ -330,7 +330,7 @@ def test_isis_database_json():
 
     # tgen.mininet_cli()
     logger.info("Checking 'show isis database json'")
-    for rname, router in tgen.routers().items():
+    for rname, _ in tgen.routers().items():
         logger.info("Checking router %s", rname)
         json_output = tgen.gears[rname].vtysh_cmd(
             "show isis database json", isjson=True
@@ -755,7 +755,7 @@ def dict_merge(dct, merge_dct):
     Source:
     https://gist.github.com/angstwad/bf22d1822c38a92ec0a9
     """
-    for k, v in merge_dct.items():
+    for k, _ in merge_dct.items():
         if k in dct and isinstance(dct[k], dict) and topotest.is_mapping(merge_dct[k]):
             dict_merge(dct[k], merge_dct[k])
         else:

tests/topotests/isis_topo1_vrf/test_isis_topo1_vrf.py

@@ -118,7 +118,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
     # move back rx-eth0 to default VRF
@@ -287,7 +287,7 @@ def dict_merge(dct, merge_dct):
     Source:
     https://gist.github.com/angstwad/bf22d1822c38a92ec0a9
     """
-    for k, v in merge_dct.items():
+    for k, _ in merge_dct.items():
         if k in dct and isinstance(dct[k], dict) and topotest.is_mapping(merge_dct[k]):
             dict_merge(dct[k], merge_dct[k])
         else:

tests/topotests/key_sendaccept/test_keychain.py

@@ -27,7 +27,7 @@ def tgen(request):
     tgen.start_topology()
 
     router_list = tgen.routers()
-    for rname, router in router_list.items():
+    for _, router in router_list.items():
         router.load_frr_config("frr.conf")
 
     tgen.start_router()

tests/topotests/ldp_oc_acl_topo1/test_ldp_oc_acl_topo1.py

@@ -117,7 +117,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
 

tests/topotests/ldp_oc_topo1/test_ldp_oc_topo1.py

@@ -116,7 +116,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
 

tests/topotests/ldp_snmp/test_ldp_snmp_topo1.py

@@ -136,7 +136,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()
 

tests/topotests/ldp_sync_isis_topo1/test_ldp_sync_isis_topo1.py

@@ -129,7 +129,7 @@ def setup_module(mod):
     tgen.start_router()
 
 
-def teardown_module(mod):
+def teardown_module():
     "Teardown the pytest environment"
     tgen = get_topogen()