tests: Introduce test for multi-homing STP features
Config file sets omo-stp instance to bind on 2 IP addresses, and then the test verfies through linux /proc/net/sctp/* that binding is done correctly and that it can be reached from another remote address to one of the configured addresses. Change-Id: Ifa11b1fc882dff415405f62024e94bed67228866
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@ -6,7 +6,7 @@ SUBDIRS = include src tests examples stp doc contrib
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pkgconfigdir = $(libdir)/pkgconfig
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pkgconfig_DATA = libosmo-sccp.pc libosmo-mtp.pc libosmo-sigtran.pc libosmo-xua.pc
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EXTRA_DIST = .version git-version-gen osmoappdesc.py doc/examples/osmo-stp.cfg
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EXTRA_DIST = .version git-version-gen osmoappdesc.py
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AM_DISTCHECK_CONFIGURE_FLAGS = \
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--with-systemdsystemunitdir=$$dc_install_base/$(systemdsystemunitdir)
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@ -1,7 +1,7 @@
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examples_stpdir = $(docdir)/examples/osmo-stp
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examples_stp_DATA = osmo-stp.cfg
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examples_stp_DATA = osmo-stp.cfg osmo-stp-multihome.cfg
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osmoconfdir = $(sysconfdir)/osmocom
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osmoconf_DATA = osmo-stp.cfg
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EXTRA_DIST = osmo-stp.cfg
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EXTRA_DIST = osmo-stp.cfg osmo-stp-multihome.cfg
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@ -0,0 +1,22 @@
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!
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! osmo-stp (0.0.6.3.179-b248) configuration saved from vty
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!!
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!
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log stderr
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logging filter all 1
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logging color 1
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logging print category 1
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logging timestamp 0
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logging level lss7 debug
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logging level lsccp debug
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logging level lsua debug
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logging level lm3ua debug
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line vty
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no login
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!
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cs7 instance 0
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xua rkm routing-key-allocation dynamic-permitted
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listen m3ua 2905
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accept-asp-connections dynamic-permitted
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local-ip 127.0.0.2
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local-ip 127.0.0.1
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@ -5,7 +5,10 @@ AM_LDFLAGS = -static
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LDADD = $(top_builddir)/src/libosmo-sigtran.la \
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$(LIBOSMOCORE_LIBS) $(LIBOSMOVTY_LIBS) $(LIBOSMONETIF_LIBS) $(LIBSCTP_LIBS)
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EXTRA_DIST = ss7_asp_test.vty
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EXTRA_DIST = \
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ss7_asp_test.vty \
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vty_test_runner.py \
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$(NULL)
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noinst_PROGRAMS = ss7_asp_vty_test
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@ -19,14 +22,22 @@ ext-tests:
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echo "Not running python-based external tests (determined at configure-time)"
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endif
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vty-python-test: $(BUILT_SOURCES)
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$(srcdir)/vty_test_runner.py -w $(abs_top_builddir) -v
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# To update the VTY script from current application behavior,
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# pass -u to osmo_verify_transcript_vty.py by doing:
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# make vty-test U=-u
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vty-test: ss7_asp_vty_test
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vty-transcript-test: ss7_asp_vty_test
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osmo_verify_transcript_vty.py -v \
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-p 42043 \
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-r "$(builddir)/ss7_asp_vty_test" \
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$(U) $(srcdir)/ss7_asp_*.vty
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# don't run multiple tests concurrently so that the ports don't conflict
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vty-test:
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$(MAKE) vty-python-test
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$(MAKE) vty-transcript-test
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check-local:
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$(MAKE) $(AM_MAKEFLAGS) ext-tests
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@ -0,0 +1,173 @@
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#!/usr/bin/env python2
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# (C) 2013 by Katerina Barone-Adesi <kat.obsc@gmail.com>
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# (C) 2013 by Holger Hans Peter Freyther
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# (C) 2019 by sysmocom s.f.m.c. GmbH
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os, sys
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import time
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import unittest
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import socket
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import subprocess
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import time
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import osmopy.obscvty as obscvty
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import osmopy.osmoutil as osmoutil
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from osmopy.osmo_ipa import IPA
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# to be able to find $top_srcdir/doc/...
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confpath = os.path.join(sys.path[0], '..')
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class TestVTYBase(unittest.TestCase):
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def checkForEndAndExit(self):
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res = self.vty.command("list")
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#print ('looking for "exit"\n')
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self.assert_(res.find(' exit\r') > 0)
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#print 'found "exit"\nlooking for "end"\n'
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self.assert_(res.find(' end\r') > 0)
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#print 'found "end"\n'
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def vty_command(self):
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raise Exception("Needs to be implemented by a subclass")
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def vty_app(self):
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raise Exception("Needs to be implemented by a subclass")
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def setUp(self):
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osmo_vty_cmd = self.vty_command()[:]
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config_index = osmo_vty_cmd.index('-c')
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if config_index:
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cfi = config_index + 1
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osmo_vty_cmd[cfi] = os.path.join(confpath, osmo_vty_cmd[cfi])
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try:
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self.proc = osmoutil.popen_devnull(osmo_vty_cmd)
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except OSError:
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print >> sys.stderr, "Current directory: %s" % os.getcwd()
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print >> sys.stderr, "Consider setting -b"
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appstring = self.vty_app()[2]
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appport = self.vty_app()[0]
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self.vty = obscvty.VTYInteract(appstring, "127.0.0.1", appport)
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def tearDown(self):
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if self.vty:
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self.vty._close_socket()
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self.vty = None
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osmoutil.end_proc(self.proc)
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class TestVTYSTP(TestVTYBase):
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def vty_command(self):
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return ["./stp/osmo-stp", "-c",
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"../doc/examples/osmo-stp-multihome.cfg"]
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def vty_app(self):
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return (4239, "./stp/osmo-stp", "OsmoSTP", "stp")
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def check_sctp_sock_local(self, laddr_list, lport):
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path = "/proc/net/sctp/eps"
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try:
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with open(path, "r") as fp:
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#drop first line, contains column names:
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fp.readline()
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while True:
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# Read next line
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line = fp.readline().strip()
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if not line:
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return False
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print "%s: parsing line: %s" %(path, line)
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it = line.split()
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if lport == int(it[5]):
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print "%s: local port %d found" %(path, lport)
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itaddr_list = it[8:]
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if len(itaddr_list) != len(laddr_list):
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print "%s: addr list mismatch: %r vs %r" % (path, repr(itaddr_list), repr(laddr_list))
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continue
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for addr in laddr_list:
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if addr not in itaddr_list:
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print "%s: addr not found in list: %s vs %r" % (path, addr, repr(itaddr_list))
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return False
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return True
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return False
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except IOError as e:
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print "I/O error({0}): {1}".format(e.errno, e.strerror)
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return False
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def testMultiHome(self):
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# first check if STP is listening in required addresses:
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found = False
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for i in range(5):
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if self.check_sctp_sock_local(['127.0.0.1', '127.0.0.2'], 2905):
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found = True
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break
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else:
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print "[%d] osmo-stp not yet available, retrying in a second" % i
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time.sleep(1)
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self.assert_(found)
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try:
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proto = socket.IPPROTO_SCTP
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except AttributeError: # it seems to be not defined under python2?
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proto = 132
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, proto)
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s.bind(('127.0.0.3', 0))
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try:
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s.connect(('127.0.0.2',2905))
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except socket.error as msg:
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s.close()
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self.assert_(False)
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print "Connected to STP through SCTP"
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s.close()
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if __name__ == '__main__':
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import argparse
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import sys
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workdir = '.'
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parser = argparse.ArgumentParser()
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parser.add_argument("-v", "--verbose", dest="verbose",
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action="store_true", help="verbose mode")
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parser.add_argument("-p", "--pythonconfpath", dest="p",
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help="searchpath for config")
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parser.add_argument("-w", "--workdir", dest="w",
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help="Working directory")
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parser.add_argument("test_name", nargs="*", help="(parts of) test names to run, case-insensitive")
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args = parser.parse_args()
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verbose_level = 1
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if args.verbose:
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verbose_level = 2
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if args.w:
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workdir = args.w
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if args.p:
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confpath = args.p
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print "confpath %s, workdir %s" % (confpath, workdir)
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os.chdir(workdir)
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print "Running tests for specific VTY commands"
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suite = unittest.TestSuite()
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suite.addTest(unittest.TestLoader().loadTestsFromTestCase(TestVTYSTP))
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if args.test_name:
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osmoutil.pick_tests(suite, *args.test_name)
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res = unittest.TextTestRunner(verbosity=verbose_level, stream=sys.stdout).run(suite)
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sys.exit(len(res.errors) + len(res.failures))
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# vim: shiftwidth=4 expandtab nocin ai
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