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bgp-ecmp-topo: test BGP convergence

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Add a test that waits for BGP convergence.
This commit is contained in:
Rafael Zalamena 2017-07-24 13:06:52 -03:00 committed by Donald Sharp
parent 62271fe3fa
commit 35a00f240f
2 changed files with 137 additions and 0 deletions
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112
tests/topotests/bgp-ecmp-topo1/r1/summary.txt Normal file
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@ -0,0 +1,112 @@
{
"ipv4Unicast":{
"routerId":"10.0.255.1",
"as":100,
"vrfId":0,
"vrfName":"Default",
"peerCount":20,
"peers":{
"10.0.1.101":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.1.102":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.1.103":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.1.104":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.1.105":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.2.106":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.2.107":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.2.108":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.2.109":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.2.110":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.3.111":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.3.112":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.3.113":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.3.114":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.3.115":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.4.116":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.4.117":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.4.118":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.4.119":{
"outq":0,
"inq":0,
"state":"Established"
},
"10.0.4.120":{
"outq":0,
"inq":0,
"state":"Established"
}
},
"totalPeers":20
}
}

25
tests/topotests/bgp-ecmp-topo1/test_bgp_ecmp_topo1.py
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@ -26,6 +26,7 @@
test_bgp_ecmp_topo1.py: Test BGP topology with ECMP (Equal Cost MultiPath).
"""
import json
import os
import sys
import pytest
@ -114,6 +115,30 @@ def teardown_module(module):
tgen = get_topogen()
tgen.stop_topology()
def test_bgp_convergence():
"Test for BGP topology convergence"
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
topotest.sleep(20, 'waiting for bgp convergence')
# Expected result
reffile = os.path.join(CWD, 'r1/summary.txt')
expected = json.loads(open(reffile).read())
# Define test function and call it
router = tgen.gears['r1']
def _convergence_test():
output = router.vtysh_cmd('show ip bgp summary json', isjson=True)
return topotest.json_cmp(output, expected)
_, res = topotest.run_and_expect(_convergence_test, None, count=10, wait=1)
assertmsg = 'BGP router network did not converge'
assert res is None, assertmsg
def test_bgp_ecmp():
tgen = get_topogen()