Add a --with-regression-traces configure option, to allow using externally supplied regression traces instead of fetching them from the network.
#! /usr/bin/env python
"""Trace-comparison-type regression test for the Network Simulation Cradle."""
import os
import shutil
import sys
import tracediff
import platform
def run(verbose, generate):
"""Run a Network Simulation Cradle test involving two TCP streams."""
if not tracediff.env['ENABLE_NSC']:
print >>sys.stderr, "Skipping tcp-nsc-lfn: NSC not available."
raise NotImplementedError
testName = "tcp-nsc-lfn"
arguments = ["--ns3::OnOffApplication::DataRate=40000", "--runtime=20"]
platform_bits = platform.architecture()[0]
if platform_bits == "64bit":
traceDirName = testName + "_64bit.ref"
elif platform_bits == "32bit":
traceDirName = testName + "_32bit.ref"
else:
# Something unexpected. How should we signal an error here? Rasing a
# string might not be the best idea?
raise "Unknown architecture, not 64 or 32 bit?"
return tracediff.run_test(verbose, generate,
testName, arguments=arguments, refTestName=traceDirName)