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# Copyright 2014 BitPay, Inc.
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
from __future__ import division,print_function,unicode_literals
import subprocess
import os
import json
import sys
import binascii
def parse_output(a, fmt):
if fmt == 'json': # json: compare parsed data
return json.loads(a)
elif fmt == 'hex': # hex: parse and compare binary data
return binascii.a2b_hex(a.strip())
else:
raise NotImplementedError("Don't know how to compare %s" % fmt)
def bctest(testDir, testObj, exeext):
execprog = testObj['exec'] + exeext
execargs = testObj['args']
execrun = [execprog] + execargs
stdinCfg = None
inputData = None
if "input" in testObj:
filename = testDir + "/" + testObj['input']
inputData = open(filename).read()
stdinCfg = subprocess.PIPE
outputFn = None
outputData = None
if "output_cmp" in testObj:
outputFn = testObj['output_cmp']
outputType = os.path.splitext(outputFn)[1][1:] # output type from file extension (determines how to compare)
outputData = open(testDir + "/" + outputFn).read()
if not outputData:
print("Output data missing for " + outputFn)
sys.exit(1)
proc = subprocess.Popen(execrun, stdin=stdinCfg, stdout=subprocess.PIPE, stderr=subprocess.PIPE,universal_newlines=True)
try:
outs = proc.communicate(input=inputData)
except OSError:
print("OSError, Failed to execute " + execprog)
sys.exit(1)
if outputData:
try:
a_parsed = parse_output(outs[0], outputType)
except Exception as e:
print('Error parsing command output as %s: %s' % (outputType,e))
sys.exit(1)
try:
b_parsed = parse_output(outputData, outputType)
except Exception as e:
print('Error parsing expected output %s as %s: %s' % (outputFn,outputType,e))
sys.exit(1)
if a_parsed != b_parsed:
print("Output data mismatch for " + outputFn + " (format " + outputType + ")")
sys.exit(1)
if outs[0] != outputData:
print("Output formatting mismatch for " + outputFn + " (format " + outputType + ")")
sys.exit(1)
wantRC = 0
if "return_code" in testObj:
wantRC = testObj['return_code']
if proc.returncode != wantRC:
print("Return code mismatch for " + outputFn)
sys.exit(1)
def bctester(testDir, input_basename, buildenv, verbose = False):
input_filename = testDir + "/" + input_basename
raw_data = open(input_filename).read()
input_data = json.loads(raw_data)
for testObj in input_data:
if verbose and "description" in testObj:
print ("Testing: " + testObj["description"])
bctest(testDir, testObj, buildenv.exeext)
if verbose and "description" in testObj:
print ("PASS")
sys.exit(0)
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