#!/usr/bin/env python

# Test expected failure
#
#
# Usage: <script> <inputfile> --openscad=<executable-path> --retval=<retval> [openscad args]
#
#
# This script should return 0 on success, not-0 on error.
#

import sys, os, re, subprocess, argparse

def failquit(*args):
	if len(args)!=0: print(args)
	print('export_import_pngtest args:',str(sys.argv))
	print('exiting export_import_pngtest.py with failure')
	sys.exit(1)

def createImport(inputfile, scadfile):
        print ('createImport: ' + inputfile + " " + scadfile)
        outputdir = os.path.dirname(scadfile)
        try:
                if outputdir and not os.path.exists(outputdir): os.mkdir(outputdir)
                f = open(scadfile,'w')
                f.write('import("'+inputfile+'");'+os.linesep)
                f.close()
        except:
                failquit('failure while opening/writing ' + scadfile + ': ' + str(sys.exc_info()))
        

#
# Parse arguments
#
parser = argparse.ArgumentParser()
parser.add_argument('--openscad', required=True, help='Specify OpenSCAD executable')
parser.add_argument('--retval', required=True, help='Expected return value')
args,remaining_args = parser.parse_known_args()

inputfile = remaining_args[0]         # Can be .scad file or a file to be imported
remaining_args = remaining_args[1:]    # Passed on to the OpenSCAD executable

if not os.path.exists(inputfile):
	failquit('cant find input file named: ' + inputfile)
if not os.path.exists(args.openscad):
	failquit('cant find openscad executable named: ' + args.openscad)

inputpath, inputfilename = os.path.split(inputfile)
inputbasename,inputsuffix = os.path.splitext(inputfilename)

export_cmd = [args.openscad, inputfile] + remaining_args
print('Running OpenSCAD:')
print(' '.join(export_cmd))
result = subprocess.call(export_cmd)
if str(result) != str(args.retval):
	failquit('OpenSCAD failed with unexpected return value ' + str(result) + ' (should be ' + str(args.retval) + ')')