test(positive): add test suite positive for tests which can be compiled

unittest/positive/runAll.py

+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import os
+import subprocess
+import sys
+
+def read_txt_file(filename):
+	with open(filename,'r') as f:
+		txt = f.read().strip()
+	# Python should be able to do it automatically, but just in case...
+	txt = txt.replace('\r','')
+	return txt
+
+if __name__ == '__main__':
+	decaf_jar = os.path.join('..','..','result','decaf.jar')
+	names = sys.argv[1:]
+	if len(names) == 0:
+		names = sorted(os.listdir('.'))
+		if 'blackjack.decaf' in names:
+			names.remove('blackjack.decaf')
+	for name in names:
+		bname,ext = os.path.splitext(name)
+		if ext != '.decaf':
+			continue
+		# Run the test case, redirecting stdout/stderr to output/bname.tac
+		cmd = ['java', '-jar', decaf_jar, '-l', '2', name]
+		code = subprocess.call(cmd,
+				stdout = open(os.path.join('output',bname+'.tac'), 'w'),
+				stderr = subprocess.STDOUT)
+		fw = open(os.path.join('output',bname+'.result'), 'w')
+		if code == 0: # Run the TAC simulator
+			subprocess.call(
+					['java', '-jar', 'tac.jar', os.path.join('output',bname+'.tac')],
+					stdout = fw,
+					stderr = subprocess.STDOUT)
+
+		# Check the result
+		try:
+			reference = read_txt_file(os.path.join('result',bname+'.result'))
+			our_result = read_txt_file(os.path.join('output',bname+'.result'))
+		except IOError:
+			info = 'What the hell??'
+		else:
+			if reference == our_result:
+				info = 'OK :)'
+			else:
+				info = 'ERROR!'
+		print ('{0:<60}{1}'.format(name,info))
+	if os.name == 'nt':
+		print ('Press Enter to continue...')
+		try:
+			raw_input() # Python 2
+		except:
+			input() # Python 3