Adding upstream version 8.4.4.upstream/8.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 253 insertions, 0 deletions

diff --git a/tests/topotests/cspf_topo1/test_cspf_topo1.py b/tests/topotests/cspf_topo1/test_cspf_topo1.py
new file mode 100644
index 0000000..1b71ac3
--- /dev/null
+++ b/tests/topotests/cspf_topo1/test_cspf_topo1.py
@@ -0,0 +1,253 @@
+#!/usr/bin/env python
+
+#
+# test_cspf_topo1.py
+# Part of NetDEF Topology Tests
+#
+# Copyright (c) 2022 by Orange
+# Author: Olivier Dugeon <olivier.dugeon@orange.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_cspf_topo1.py: Test the FRR Constraint Shortest Path First algorithm.
+
+           +------------+
+           |            |
+           |     R1     |
+           | 10.0.225.1 |
+           |            |
+           +------------+
+        r1-eth0|    |r1-eth1
+               |    |
+    10.0.0.0/24|    |10.0.1.0/24
+               |    |2001:db8:1:/64
+               |    |
+        r2-eth0|    |r2-eth1
+           +------------+                  +------------+
+           |            |                  |            |
+           |     R2     |r2-eth2    r3-eth0|     R3     |
+           | 10.0.255.2 +------------------+ 10.0.255.3 |
+           |            |     10.0.3.0/24  |            |
+           +------------+  2001:db8:3:/64  +------+-----+
+           r2-eth3|                        r3-eth1|
+                  |                               |
+       10.0.4.0/24|                               |
+                  |                               |
+                  |                               |
+           r4-eth0|                 2001:db8:5:/64|
+           +------------+                         |
+           |            |                         |
+           |     R4     |r4-eth1                  |
+           | 10.0.255.4 +-------------------------+
+           |            |
+           +------------+
+
+"""
+
+import os
+import sys
+import json
+from functools import partial
+
+# 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
+
+# and Finally pytest
+import pytest
+
+pytestmark = [pytest.mark.isisd]
+
+
+def build_topo(tgen):
+    "Build function"
+
+    # Create 4 routers
+    for routern in range(1, 5):
+        tgen.add_router("r{}".format(routern))
+
+    # Interconect router 1 and 2 with 2 links
+    switch = tgen.add_switch("s1")
+    switch.add_link(tgen.gears["r1"])
+    switch.add_link(tgen.gears["r2"])
+    switch = tgen.add_switch("s2")
+    switch.add_link(tgen.gears["r1"])
+    switch.add_link(tgen.gears["r2"])
+
+    # Interconect router 3 and 2
+    switch = tgen.add_switch("s3")
+    switch.add_link(tgen.gears["r3"])
+    switch.add_link(tgen.gears["r2"])
+
+    # Interconect router 4 and 2
+    switch = tgen.add_switch("s4")
+    switch.add_link(tgen.gears["r4"])
+    switch.add_link(tgen.gears["r2"])
+
+    # Interconnect router 3 and 4
+    switch = tgen.add_switch("s5")
+    switch.add_link(tgen.gears["r3"])
+    switch.add_link(tgen.gears["r4"])
+
+
+def setup_module(mod):
+    "Sets up the pytest environment"
+
+    logger.info("\n\n---- Starting CSPF tests ----\n")
+
+    tgen = Topogen(build_topo, mod.__name__)
+    tgen.start_topology()
+
+    router_list = tgen.routers()
+
+    for rname, router in router_list.items():
+        router.load_config(
+            TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
+        )
+        router.load_config(
+            TopoRouter.RD_ISIS, os.path.join(CWD, "{}/isisd.conf".format(rname))
+        )
+        if rname == "r1":
+            router.load_config(
+                TopoRouter.RD_SHARP, os.path.join(CWD, "{}/sharpd.conf".format("r1"))
+            )
+
+    # Initialize all routers.
+    tgen.start_router()
+
+
+def teardown_module():
+    "Teardown the pytest environment"
+
+    tgen = get_topogen()
+    tgen.stop_topology()
+
+    logger.info("\n\n---- CSPF tests End ----\n")
+
+
+def compare_ted_json_output(tgen, rname, fileref):
+    "Compare TED JSON output"
+
+    logger.info('Comparing router "%s" TED output', rname)
+
+    filename = "{}/reference/{}".format(CWD, fileref)
+    expected = json.loads(open(filename).read())
+    command = "show sharp ted json"
+
+    # Run test function until we get an result. Wait at most 60 seconds.
+    test_func = partial(topotest.router_json_cmp, tgen.gears[rname], command, expected)
+    _, diff = topotest.run_and_expect(test_func, None, count=60, wait=2)
+    assertmsg = '"{}" TED JSON output mismatches the expected result'.format(rname)
+    assert diff is None, assertmsg
+
+
+def compare_cspf_output(tgen, rname, fileref, src, dst, cost, bw=""):
+    "Compare CSPF output"
+
+    logger.info('Comparing router "%s" CSPF output', rname)
+
+    filename = "{}/reference/{}".format(CWD, fileref)
+    expected = open(filename).read()
+    command = "show sharp cspf source {} destination {} {} {}".format(src, dst, cost, bw)
+
+    # Run test function until we get an result. Wait at most 60 seconds.
+    test_func = partial(topotest.router_output_cmp, tgen.gears[rname], command, expected)
+    result, diff = topotest.run_and_expect(test_func, "", count=2, wait=2)
+    assert result, "CSPF output mismatches the expected result on {}:\n{}".format(rname, diff)
+    
+
+def setup_testcase(msg):
+    "Setup test case"
+
+    logger.info(msg)
+    tgen = get_topogen()
+
+    # Skip if previous fatal error condition is raised
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    return tgen
+
+
+# Note that all routers must discover the same Network Topology, so the same TED.
+
+
+def test_step1():
+    "Step1: Check initial topology"
+
+    tgen = setup_testcase("Step1: test initial IS-IS TE Data Base import")
+    tgen.net["r1"].cmd('vtysh -c "sharp import-te"')
+
+    compare_ted_json_output(tgen, "r1", "sharp-ted.json")
+
+
+def test_step2():
+    "Step2: Test CSPF from r1 to r4 for IPv4 with various metric"
+
+    tgen = setup_testcase("Step2: CSPF(r1, r4, IPv4)")
+
+    compare_cspf_output(tgen, "r1", "cspf-ipv4-metric.txt", "10.0.0.1", "10.0.255.4", "metric 50")
+    compare_cspf_output(tgen, "r1", "cspf-ipv4-te-metric.txt", "10.0.255.1", "10.0.4.4", "te-metric 50")
+    compare_cspf_output(tgen, "r1", "cspf-ipv4-delay.txt", "10.0.255.1", "10.0.255.4", "delay 50000")
+    compare_cspf_output(tgen, "r1", "cspf-ipv4-delay.txt", "10.0.255.1", "10.0.255.4", "delay 50000", "rsv 7 100000000")
+
+
+def test_step3():
+    "Step3: Test CSPF from r1 to r4 for IPv6 with various metric"
+
+    tgen = setup_testcase("Step2: CSPF(r1, r4, IPv6)")
+
+    compare_cspf_output(tgen, "r1", "cspf-ipv6-metric.txt", "2001:db8:1::1:1", "2001:db8::4", "metric 50")
+    compare_cspf_output(tgen, "r1", "cspf-ipv6-te-metric.txt", "2001:db8::1", "2001:db8:5::3:4", "te-metric 80")
+    compare_cspf_output(tgen, "r1", "cspf-ipv6-delay.txt", "2001:db8::1", "2001:db8::4", "delay 80000")
+    compare_cspf_output(tgen, "r1", "cspf-ipv6-delay.txt", "2001:db8::1", "2001:db8::4", "delay 80000", "rsv 7 100000000")
+
+
+def test_step4():
+    "Step4: Test CSPF from r1 to r4 with no possible path"
+
+    tgen = setup_testcase("Step2: CSPF(r1, r4, failure)")
+
+    compare_cspf_output(tgen, "r1", "cspf-failed.txt", "10.0.255.1", "10.0.255.4", "metric 10")
+    compare_cspf_output(tgen, "r1", "cspf-failed.txt", "2001:db8::1", "2001:db8::4", "te-metric 50")
+    compare_cspf_output(tgen, "r1", "cspf-failed.txt", "10.0.255.1", "10.0.255.4", "delay 5000")
+    compare_cspf_output(tgen, "r1", "cspf-failed.txt", "2001:db8::1", "2001:db8::4", "delay 80000", "rsv 7 1000000000")
+    compare_cspf_output(tgen, "r1", "cspf-failed-src.txt", "10.0.0.3", "10.0.255.4", "metric 10")
+    compare_cspf_output(tgen, "r1", "cspf-failed-dst.txt", "10.0.0.1", "10.0.4.40", "metric 10")
+    compare_cspf_output(tgen, "r1", "cspf-failed-same.txt", "10.0.0.1", "10.0.0.1", "metric 10")
+
+
+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))