Coverage for src/lib/dns/python/tests/testutil : 79%

# Copyright (C) 2010  Internet Systems Consortium. 

# 

# Permission to use, copy, modify, and 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 INTERNET SYSTEMS CONSORTIUM 

# DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL 

# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL 

# INTERNET SYSTEMS CONSORTIUM 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. 

# 

# helper functions for tests taken from C++ unittests 

# 

import os 

25if "TESTDATA_PATH" in os.environ: 

    testdata_path = os.environ["TESTDATA_PATH"] 

else: 

    testdata_path = "../tests/testdata" 

def read_wire_data(filename): 

    data = bytes() 

43    for path in testdata_path.split(":"): 

        try: 

            file = open(path + os.sep + filename, "r") 

            for line in file: 

                line = line.strip() 

                if line == "" or line.startswith("#"): 

                    pass 

                else: 

                    cur_data = bytes.fromhex(line) 

                    data += cur_data 

            return data 

        except IOError: 

            pass 

    raise ValueError("Data file " + filename + "cannot be found")