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Diffstat (limited to 'tests/topotests/example_test/test_template.py')
| -rw-r--r-- | tests/topotests/example_test/test_template.py | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/tests/topotests/example_test/test_template.py b/tests/topotests/example_test/test_template.py new file mode 100644 index 0000000000..0265dbe796 --- /dev/null +++ b/tests/topotests/example_test/test_template.py @@ -0,0 +1,139 @@ +#!/usr/bin/env python + +# +# <template>.py +# Part of NetDEF Topology Tests +# +# Copyright (c) 2017 by +# Network Device Education Foundation, Inc. ("NetDEF") +# +# 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. +# + +""" +<template>.py: Test <template>. +""" + +import os +import sys +import pytest + +# 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.topogen import Topogen, TopoRouter, get_topogen +from lib.topolog import logger + +# Required to instantiate the topology builder class. +from mininet.topo import Topo + + +# TODO: select markers based on daemons used during test +# pytest module level markers +""" +pytestmark = pytest.mark.bfdd # single marker +pytestmark = [ + pytest.mark.bgpd, + pytest.mark.ospfd, + pytest.mark.ospf6d +] # multiple markers +""" + + +class TemplateTopo(Topo): + "Test topology builder" + + def build(self, *_args, **_opts): + "Build function" + tgen = get_topogen(self) + + # This function only purpose is to define allocation and relationship + # between routers, switches and hosts. + # + # Example + # + # Create 2 routers + for routern in range(1, 3): + tgen.add_router("r{}".format(routern)) + + # Create a switch with just one router connected to it to simulate a + # empty network. + switch = tgen.add_switch("s1") + switch.add_link(tgen.gears["r1"]) + + # Create a connection between r1 and r2 + switch = tgen.add_switch("s2") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r2"]) + + +def setup_module(mod): + "Sets up the pytest environment" + # This function initiates the topology build with Topogen... + tgen = Topogen(TemplateTopo, mod.__name__) + # ... and here it calls Mininet initialization functions. + tgen.start_topology() + + # This is a sample of configuration loading. + router_list = tgen.routers() + + # For all registred routers, load the zebra configuration file + for rname, router in router_list.items(): + router.load_config( + TopoRouter.RD_ZEBRA, + # Uncomment next line to load configuration from ./router/zebra.conf + # os.path.join(CWD, '{}/zebra.conf'.format(rname)) + ) + + # After loading the configurations, this function loads configured daemons. + tgen.start_router() + + +def teardown_module(mod): + "Teardown the pytest environment" + tgen = get_topogen() + + # This function tears down the whole topology. + tgen.stop_topology() + + +def test_call_mininet_cli(): + "Dummy test that just calls mininet CLI so we can interact with the build." + tgen = get_topogen() + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + logger.info("calling mininet CLI") + tgen.mininet_cli() + + +# Memory leak test template +def test_memory_leak(): + "Run the memory leak test and report results." + tgen = get_topogen() + if not tgen.is_memleak_enabled(): + pytest.skip("Memory leak test/report is disabled") + + tgen.report_memory_leaks() + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |
