tests: Add more tests for BGP default-originate command

Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>

24 files changed, 463 insertions, 16 deletions

diff --git a/tests/topotests/bgp_default-route_route-map/__init__.py b/tests/topotests/bgp_default-route/__init__.py
index e69de29bb2..e69de29bb2 100644
--- a/tests/topotests/bgp_default-route_route-map/__init__.py
+++ b/tests/topotests/bgp_default-route/__init__.py
diff --git a/tests/topotests/bgp_default-route/r1/bgpd.conf b/tests/topotests/bgp_default-route/r1/bgpd.conf
new file mode 100644
index 0000000000..8699d62ff2
--- /dev/null
+++ b/tests/topotests/bgp_default-route/r1/bgpd.conf
@@ -0,0 +1,8 @@
+router bgp 65000
+  no bgp ebgp-requires-policy
+  neighbor 192.168.255.2 remote-as 65001
+  neighbor 192.168.255.2 timers 3 10
+  address-family ipv4 unicast
+    neighbor 192.168.255.2 default-originate
+  exit-address-family
+!
diff --git a/tests/topotests/bgp_default-route_route-map/r1/zebra.conf b/tests/topotests/bgp_default-route/r1/zebra.conf
index 0a283c06d5..0a283c06d5 100644
--- a/tests/topotests/bgp_default-route_route-map/r1/zebra.conf
+++ b/tests/topotests/bgp_default-route/r1/zebra.conf
diff --git a/tests/topotests/bgp_default-route_route-map/r2/bgpd.conf b/tests/topotests/bgp_default-route/r2/bgpd.conf
index 00c96cc58b..00c96cc58b 100644
--- a/tests/topotests/bgp_default-route_route-map/r2/bgpd.conf
+++ b/tests/topotests/bgp_default-route/r2/bgpd.conf
diff --git a/tests/topotests/bgp_default-route_route-map/r2/zebra.conf b/tests/topotests/bgp_default-route/r2/zebra.conf
index 606c17bec9..606c17bec9 100644
--- a/tests/topotests/bgp_default-route_route-map/r2/zebra.conf
+++ b/tests/topotests/bgp_default-route/r2/zebra.conf
diff --git a/tests/topotests/bgp_default-route/test_bgp_default-originate.py b/tests/topotests/bgp_default-route/test_bgp_default-originate.py
new file mode 100644
index 0000000000..d8de0f0ac6
--- /dev/null
+++ b/tests/topotests/bgp_default-route/test_bgp_default-originate.py
@@ -0,0 +1,114 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2019-2020 by
+# Donatas Abraitis <donatas.abraitis@gmail.com>
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+"""
+Test if default-originate works without route-map.
+"""
+
+import os
+import sys
+import json
+import time
+import pytest
+import functools
+
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+
+# pylint: disable=C0413
+from lib import topotest
+from lib.topogen import Topogen, TopoRouter, get_topogen
+from lib.topolog import logger
+from mininet.topo import Topo
+
+
+class TemplateTopo(Topo):
+    def build(self, *_args, **_opts):
+        tgen = get_topogen(self)
+
+        for routern in range(1, 3):
+            tgen.add_router("r{}".format(routern))
+
+        switch = tgen.add_switch("s1")
+        switch.add_link(tgen.gears["r1"])
+        switch.add_link(tgen.gears["r2"])
+
+
+def setup_module(mod):
+    tgen = Topogen(TemplateTopo, mod.__name__)
+    tgen.start_topology()
+
+    router_list = tgen.routers()
+
+    for i, (rname, router) in enumerate(router_list.items(), 1):
+        router.load_config(
+            TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
+        )
+        router.load_config(
+            TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
+        )
+
+    tgen.start_router()
+
+
+def teardown_module(mod):
+    tgen = get_topogen()
+    tgen.stop_topology()
+
+
+def test_bgp_default_originate_route_map():
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    router = tgen.gears["r2"]
+
+    def _bgp_converge(router):
+        output = json.loads(router.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
+        expected = {
+            "192.168.255.1": {
+                "bgpState": "Established",
+                "addressFamilyInfo": {"ipv4Unicast": {"acceptedPrefixCounter": 1}},
+            }
+        }
+        return topotest.json_cmp(output, expected)
+
+    def _bgp_default_route_is_valid(router):
+        output = json.loads(router.vtysh_cmd("show ip bgp 0.0.0.0/0 json"))
+        expected = {"paths": [{"valid": True}]}
+        return topotest.json_cmp(output, expected)
+
+    test_func = functools.partial(_bgp_converge, router)
+    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+
+    assert result is None, 'Failed to see bgp convergence in "{}"'.format(router)
+
+    test_func = functools.partial(_bgp_default_route_is_valid, router)
+    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+
+    assert (
+        result is None
+    ), 'Failed to see applied metric for default route in "{}"'.format(router)
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))
diff --git a/tests/topotests/bgp_default-route_route-map_match/__init__.py b/tests/topotests/bgp_default-route_route-map_match/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_match/__init__.py
diff --git a/tests/topotests/bgp_default-route_route-map_match/r1/bgpd.conf b/tests/topotests/bgp_default-route_route-map_match/r1/bgpd.conf
new file mode 100644
index 0000000000..97b440f5ce
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_match/r1/bgpd.conf
@@ -0,0 +1,17 @@
+router bgp 65000
+  no bgp ebgp-requires-policy
+  neighbor 192.168.255.2 remote-as 65001
+  neighbor 192.168.255.2 timers 3 10
+  address-family ipv4 unicast
+    network 192.168.13.0/24 route-map internal
+    neighbor 192.168.255.2 default-originate route-map default
+  exit-address-family
+!
+bgp community-list standard default seq 5 permit 65000:1
+!
+route-map default permit 10
+  match community default
+!
+route-map internal permit 10
+  set community 65000:1
+!
diff --git a/tests/topotests/bgp_default-route_route-map_match/r1/zebra.conf b/tests/topotests/bgp_default-route_route-map_match/r1/zebra.conf
new file mode 100644
index 0000000000..9e581a7be7
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_match/r1/zebra.conf
@@ -0,0 +1,11 @@
+!
+interface lo
+ ip address 172.16.255.254/32
+!
+interface r1-eth0
+ ip address 192.168.255.1/24
+!
+ip route 192.168.13.0./24 Null0
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_default-route_route-map_match/r2/bgpd.conf b/tests/topotests/bgp_default-route_route-map_match/r2/bgpd.conf
new file mode 100644
index 0000000000..00c96cc58b
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_match/r2/bgpd.conf
@@ -0,0 +1,8 @@
+router bgp 65001
+  no bgp ebgp-requires-policy
+  neighbor 192.168.255.1 remote-as 65000
+  neighbor 192.168.255.1 timers 3 10
+  address-family ipv4 unicast
+    redistribute connected
+  exit-address-family
+!
diff --git a/tests/topotests/bgp_default-route_route-map_match/r2/zebra.conf b/tests/topotests/bgp_default-route_route-map_match/r2/zebra.conf
new file mode 100644
index 0000000000..606c17bec9
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_match/r2/zebra.conf
@@ -0,0 +1,6 @@
+!
+interface r2-eth0
+ ip address 192.168.255.2/24
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_default-route_route-map_match/test_bgp_default-originate_route-map_match.py b/tests/topotests/bgp_default-route_route-map_match/test_bgp_default-originate_route-map_match.py
new file mode 100644
index 0000000000..089c9a964e
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_match/test_bgp_default-originate_route-map_match.py
@@ -0,0 +1,114 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2019-2020 by
+# Donatas Abraitis <donatas.abraitis@gmail.com>
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+"""
+Test if default-originate works with ONLY match operations.
+"""
+
+import os
+import sys
+import json
+import time
+import pytest
+import functools
+
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+
+# pylint: disable=C0413
+from lib import topotest
+from lib.topogen import Topogen, TopoRouter, get_topogen
+from lib.topolog import logger
+from mininet.topo import Topo
+
+
+class TemplateTopo(Topo):
+    def build(self, *_args, **_opts):
+        tgen = get_topogen(self)
+
+        for routern in range(1, 3):
+            tgen.add_router("r{}".format(routern))
+
+        switch = tgen.add_switch("s1")
+        switch.add_link(tgen.gears["r1"])
+        switch.add_link(tgen.gears["r2"])
+
+
+def setup_module(mod):
+    tgen = Topogen(TemplateTopo, mod.__name__)
+    tgen.start_topology()
+
+    router_list = tgen.routers()
+
+    for i, (rname, router) in enumerate(router_list.items(), 1):
+        router.load_config(
+            TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
+        )
+        router.load_config(
+            TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
+        )
+
+    tgen.start_router()
+
+
+def teardown_module(mod):
+    tgen = get_topogen()
+    tgen.stop_topology()
+
+
+def test_bgp_default_originate_route_map():
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    router = tgen.gears["r2"]
+
+    def _bgp_converge(router):
+        output = json.loads(router.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
+        expected = {
+            "192.168.255.1": {
+                "bgpState": "Established",
+                "addressFamilyInfo": {"ipv4Unicast": {"acceptedPrefixCounter": 1}},
+            }
+        }
+        return topotest.json_cmp(output, expected)
+
+    def _bgp_default_route_is_valid(router):
+        output = json.loads(router.vtysh_cmd("show ip bgp 0.0.0.0/0 json"))
+        expected = {"paths": [{"valid": True}]}
+        return topotest.json_cmp(output, expected)
+
+    test_func = functools.partial(_bgp_converge, router)
+    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+
+    assert result is None, 'Failed to see bgp convergence in "{}"'.format(router)
+
+    test_func = functools.partial(_bgp_default_route_is_valid, router)
+    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+
+    assert (
+        result is None
+    ), 'Failed to see applied metric for default route in "{}"'.format(router)
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))
diff --git a/tests/topotests/bgp_default-route_route-map_match_set/__init__.py b/tests/topotests/bgp_default-route_route-map_match_set/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_match_set/__init__.py
diff --git a/tests/topotests/bgp_default-route_route-map_match_set/r1/bgpd.conf b/tests/topotests/bgp_default-route_route-map_match_set/r1/bgpd.conf
new file mode 100644
index 0000000000..6ef8b1c0f4
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_match_set/r1/bgpd.conf
@@ -0,0 +1,18 @@
+router bgp 65000
+  no bgp ebgp-requires-policy
+  neighbor 192.168.255.2 remote-as 65001
+  neighbor 192.168.255.2 timers 3 10
+  address-family ipv4 unicast
+    network 192.168.13.0/24 route-map internal
+    neighbor 192.168.255.2 default-originate route-map default
+  exit-address-family
+!
+bgp community-list standard default seq 5 permit 65000:1
+!
+route-map default permit 10
+  match community default
+  set metric 123
+!
+route-map internal permit 10
+  set community 65000:1
+!
diff --git a/tests/topotests/bgp_default-route_route-map_match_set/r1/zebra.conf b/tests/topotests/bgp_default-route_route-map_match_set/r1/zebra.conf
new file mode 100644
index 0000000000..9e581a7be7
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_match_set/r1/zebra.conf
@@ -0,0 +1,11 @@
+!
+interface lo
+ ip address 172.16.255.254/32
+!
+interface r1-eth0
+ ip address 192.168.255.1/24
+!
+ip route 192.168.13.0./24 Null0
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_default-route_route-map_match_set/r2/bgpd.conf b/tests/topotests/bgp_default-route_route-map_match_set/r2/bgpd.conf
new file mode 100644
index 0000000000..00c96cc58b
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_match_set/r2/bgpd.conf
@@ -0,0 +1,8 @@
+router bgp 65001
+  no bgp ebgp-requires-policy
+  neighbor 192.168.255.1 remote-as 65000
+  neighbor 192.168.255.1 timers 3 10
+  address-family ipv4 unicast
+    redistribute connected
+  exit-address-family
+!
diff --git a/tests/topotests/bgp_default-route_route-map_match_set/r2/zebra.conf b/tests/topotests/bgp_default-route_route-map_match_set/r2/zebra.conf
new file mode 100644
index 0000000000..606c17bec9
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_match_set/r2/zebra.conf
@@ -0,0 +1,6 @@
+!
+interface r2-eth0
+ ip address 192.168.255.2/24
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_default-route_route-map/test_bgp_default-originate_route-map.py b/tests/topotests/bgp_default-route_route-map_match_set/test_bgp_default-originate_route-map_match_set.py
index a72c3a4cbf..d9ea5db278 100644
--- a/tests/topotests/bgp_default-route_route-map/test_bgp_default-originate_route-map.py
+++ b/tests/topotests/bgp_default-route_route-map_match_set/test_bgp_default-originate_route-map_match_set.py
@@ -1,10 +1,6 @@
 #!/usr/bin/env python
 
-#
-# bgp_default-originate_route-map.py
-# Part of NetDEF Topology Tests
-#
-# Copyright (c) 2019 by
+# Copyright (c) 2020 by
 # Donatas Abraitis <donatas.abraitis@gmail.com>
 #
 # Permission to use, copy, modify, and/or distribute this software
@@ -23,15 +19,8 @@
 #
 
 """
-bgp_default-originate_route-map.py:
-
-Test if works the following commands:
-router bgp 65031
-  address-family ipv4 unicast
-    neighbor 192.168.255.2 default-originate route-map default
-
-route-map default permit 10
-  set metric 123
+Test if default-originate works with match operations.
+And verify if set operations work as well.
 """
 
 import os
@@ -109,12 +98,12 @@ def test_bgp_default_originate_route_map():
         return topotest.json_cmp(output, expected)
 
     test_func = functools.partial(_bgp_converge, router)
-    success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
 
     assert result is None, 'Failed to see bgp convergence in "{}"'.format(router)
 
     test_func = functools.partial(_bgp_default_route_has_metric, router)
-    success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
 
     assert (
         result is None
diff --git a/tests/topotests/bgp_default-route_route-map_set/__init__.py b/tests/topotests/bgp_default-route_route-map_set/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_set/__init__.py
diff --git a/tests/topotests/bgp_default-route_route-map/r1/bgpd.conf b/tests/topotests/bgp_default-route_route-map_set/r1/bgpd.conf
index cb07ea9fdf..cb07ea9fdf 100644
--- a/tests/topotests/bgp_default-route_route-map/r1/bgpd.conf
+++ b/tests/topotests/bgp_default-route_route-map_set/r1/bgpd.conf
diff --git a/tests/topotests/bgp_default-route_route-map_set/r1/zebra.conf b/tests/topotests/bgp_default-route_route-map_set/r1/zebra.conf
new file mode 100644
index 0000000000..0a283c06d5
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_set/r1/zebra.conf
@@ -0,0 +1,9 @@
+!
+interface lo
+ ip address 172.16.255.254/32
+!
+interface r1-eth0
+ ip address 192.168.255.1/24
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_default-route_route-map_set/r2/bgpd.conf b/tests/topotests/bgp_default-route_route-map_set/r2/bgpd.conf
new file mode 100644
index 0000000000..00c96cc58b
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_set/r2/bgpd.conf
@@ -0,0 +1,8 @@
+router bgp 65001
+  no bgp ebgp-requires-policy
+  neighbor 192.168.255.1 remote-as 65000
+  neighbor 192.168.255.1 timers 3 10
+  address-family ipv4 unicast
+    redistribute connected
+  exit-address-family
+!
diff --git a/tests/topotests/bgp_default-route_route-map_set/r2/zebra.conf b/tests/topotests/bgp_default-route_route-map_set/r2/zebra.conf
new file mode 100644
index 0000000000..606c17bec9
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_set/r2/zebra.conf
@@ -0,0 +1,6 @@
+!
+interface r2-eth0
+ ip address 192.168.255.2/24
+!
+ip forwarding
+!
diff --git a/tests/topotests/bgp_default-route_route-map_set/test_bgp_default-originate_route-map_set.py b/tests/topotests/bgp_default-route_route-map_set/test_bgp_default-originate_route-map_set.py
new file mode 100644
index 0000000000..9a22c58b16
--- /dev/null
+++ b/tests/topotests/bgp_default-route_route-map_set/test_bgp_default-originate_route-map_set.py
@@ -0,0 +1,114 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2019-2020 by
+# Donatas Abraitis <donatas.abraitis@gmail.com>
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+"""
+Test if default-originate works with ONLY set operations.
+"""
+
+import os
+import sys
+import json
+import time
+import pytest
+import functools
+
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+
+# pylint: disable=C0413
+from lib import topotest
+from lib.topogen import Topogen, TopoRouter, get_topogen
+from lib.topolog import logger
+from mininet.topo import Topo
+
+
+class TemplateTopo(Topo):
+    def build(self, *_args, **_opts):
+        tgen = get_topogen(self)
+
+        for routern in range(1, 3):
+            tgen.add_router("r{}".format(routern))
+
+        switch = tgen.add_switch("s1")
+        switch.add_link(tgen.gears["r1"])
+        switch.add_link(tgen.gears["r2"])
+
+
+def setup_module(mod):
+    tgen = Topogen(TemplateTopo, mod.__name__)
+    tgen.start_topology()
+
+    router_list = tgen.routers()
+
+    for i, (rname, router) in enumerate(router_list.items(), 1):
+        router.load_config(
+            TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
+        )
+        router.load_config(
+            TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
+        )
+
+    tgen.start_router()
+
+
+def teardown_module(mod):
+    tgen = get_topogen()
+    tgen.stop_topology()
+
+
+def test_bgp_default_originate_route_map():
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    router = tgen.gears["r2"]
+
+    def _bgp_converge(router):
+        output = json.loads(router.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
+        expected = {
+            "192.168.255.1": {
+                "bgpState": "Established",
+                "addressFamilyInfo": {"ipv4Unicast": {"acceptedPrefixCounter": 1}},
+            }
+        }
+        return topotest.json_cmp(output, expected)
+
+    def _bgp_default_route_has_metric(router):
+        output = json.loads(router.vtysh_cmd("show ip bgp 0.0.0.0/0 json"))
+        expected = {"paths": [{"metric": 123}]}
+        return topotest.json_cmp(output, expected)
+
+    test_func = functools.partial(_bgp_converge, router)
+    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+
+    assert result is None, 'Failed to see bgp convergence in "{}"'.format(router)
+
+    test_func = functools.partial(_bgp_default_route_has_metric, router)
+    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
+
+    assert (
+        result is None
+    ), 'Failed to see applied metric for default route in "{}"'.format(router)
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))