diff options
Diffstat (limited to 'tests/topotests/example_topojson_test/test_topo_json_single_link/test_example_topojson.py')
-rwxr-xr-x | tests/topotests/example_topojson_test/test_topo_json_single_link/test_example_topojson.py | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/tests/topotests/example_topojson_test/test_topo_json_single_link/test_example_topojson.py b/tests/topotests/example_topojson_test/test_topo_json_single_link/test_example_topojson.py new file mode 100755 index 0000000..8bc2852 --- /dev/null +++ b/tests/topotests/example_topojson_test/test_topo_json_single_link/test_example_topojson.py @@ -0,0 +1,197 @@ +#!/usr/bin/env python + +# +# Copyright (c) 2019 by VMware, Inc. ("VMware") +# Used Copyright (c) 2018 by Network Device Education Foundation, Inc. ("NetDEF") +# in this file. +# +# 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 VMWARE DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE 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. +# + +""" +<example>.py: Test <example tests>. +""" + +import os +import sys +import time +import json +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, "../")) +sys.path.append(os.path.join(CWD, "../../")) + +# pylint: disable=C0413 +from lib.topogen import Topogen, get_topogen + +# Required to instantiate the topology builder class. + +# Import topoJson from lib, to create topology and initial configuration +from lib.common_config import ( + start_topology, + write_test_header, + write_test_footer, + verify_rib, +) +from lib.topolog import logger +from lib.bgp import verify_bgp_convergence +from lib.topojson import build_topo_from_json, build_config_from_json + + +# 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 +""" + + +# Reading the data from JSON File for topology and configuration creation +jsonFile = "{}/example_topojson.json".format(CWD) + +try: + with open(jsonFile, "r") as topoJson: + topo = json.load(topoJson) +except IOError: + assert False, "Could not read file {}".format(jsonFile) + +# Global variables +bgp_convergence = False +input_dict = {} + + +def build_topo(tgen): + "Build function" + + # This function only purpose is to create topology + # as defined in input json file. + # + # Example + # + # Creating 2 routers having single links in between, + # which is used to establised BGP neighborship + + # Building topology from json file + build_topo_from_json(tgen, topo) + + +def setup_module(mod): + """ + Sets up the pytest environment + + * `mod`: module name + """ + + testsuite_run_time = time.asctime(time.localtime(time.time())) + logger.info("Testsuite start time: {}".format(testsuite_run_time)) + logger.info("=" * 40) + + logger.info("Running setup_module to create topology") + + # This function initiates the topology build with Topogen... + tgen = Topogen(build_topo, mod.__name__) + # ... and here it calls Mininet initialization functions. + + # Starting topology, create tmp files which are loaded to routers + # to start daemons and then start routers + start_topology(tgen) + + # This function only purpose is to create configuration + # as defined in input json file. + # + # Example + # + # Creating configuration defined in input JSON + # file, example, BGP config, interface config, static routes + # config, prefix list config + + # Creating configuration from JSON + build_config_from_json(tgen, topo) + + logger.info("Running setup_module() done") + + +def teardown_module(mod): + """ + Teardown the pytest environment + + * `mod`: module name + """ + + logger.info("Running teardown_module to delete topology") + + tgen = get_topogen() + + # Stop toplogy and Remove tmp files + tgen.stop_topology() + + +def test_bgp_convergence(request): + "Test BGP daemon convergence" + + tgen = get_topogen() + global bgp_convergence + # test case name + tc_name = request.node.name + write_test_header(tc_name) + + # Don't run this test if we have any failure. + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + # Api call verify whether BGP is converged + bgp_convergence = verify_bgp_convergence(tgen, topo) + assert ( + bgp_convergence is True + ), "test_bgp_convergence failed.. \n" " Error: {}".format(bgp_convergence) + + logger.info("BGP is converged successfully \n") + write_test_footer(tc_name) + + +def test_static_routes(request): + "Test to create and verify static routes." + + tgen = get_topogen() + if bgp_convergence is not True: + pytest.skip("skipped because of BGP Convergence failure") + + # test case name + tc_name = request.node.name + write_test_header(tc_name) + + # Static routes are created as part of initial configuration, + # verifying RIB + dut = "r3" + next_hop = "10.0.0.1" + input_dict = {"r1": topo["routers"]["r1"]} + + # Uncomment below to debug + # tgen.mininet_cli() + result = verify_rib(tgen, "ipv4", dut, input_dict, next_hop=next_hop) + assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result) + + write_test_footer(tc_name) + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |