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tests: Validate the routes using polling for bgp_remove_private_as

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Do not fail at the first shot.

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
This commit is contained in:
Donatas Abraitis 2022-09-10 06:51:25 +03:00
parent db391f7d06
commit 7462dbb0c2
1 changed files with 6 additions and 13 deletions
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19
tests/topotests/bgp_remove_private_as/test_bgp_remove_private_as.py
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@ -361,13 +361,6 @@ def test_bgp_remove_private_as():
return True
return False
def _get_pfx_path_from_nh(router, prefix, nh):
"""Return as-path for a specific route + path."""
output = json.loads(tgen.gears[router].vtysh_cmd(f"show ip bgp {prefix} json"))
for path in output[prefix]:
if path["nexthops"]["ip"] == nh:
return path["aspath"]["string"]
def _routers_up(tx_rtrs, rx_rtrs):
"""Ensure all BGP sessions are up and all routes are installed."""
# all sessions go through tx_routers, so ensure all their peers are up
@ -408,11 +401,7 @@ def test_bgp_remove_private_as():
for pfx in prefixes:
good_path = expected_paths[rtr][remove_type][peer][pfx]
real_path = adj_rib_in["receivedRoutes"][pfx]["path"]
msg = (
f"{rtr} received incorrect AS-Path from {peer} "
f'({p_ip}) for {pfx}. remove_type: "{remove_type}"'
)
assert real_path == good_path, msg
return real_path == good_path
#######################
# Begin Test
@ -424,7 +413,11 @@ def test_bgp_remove_private_as():
# test each variation of remove-private-AS
for rmv_type in remove_types:
_change_remove_type(rmv_type, "add")
_validate_paths(rmv_type)
test_func = partial(_validate_paths, rmv_type)
_, result = topotest.run_and_expect(test_func, True, count=60, wait=0.5)
assert result == True, "Not all routes have correct AS-Path values!"
# each variation sets a separate peer flag in bgpd. we need to clear
# the old flag after each iteration so we only test the flags we expect.
_change_remove_type(rmv_type, "del")