Demo/parser/test_parser.py

   1 #! /usr/bin/env python
   2 #  (Force the script to use the latest build.)
   3 #
   4 #  test_parser.py
   5
   6 import parser, traceback
   7
   8 _numFailed = 0
   9
  10 def testChunk(t, fileName):
  11     global _numFailed
  12     print '----', fileName,
  13     try:
  14         ast = parser.suite(t)
  15         tup = parser.ast2tuple(ast)
  16         # this discards the first AST; a huge memory savings when running
  17         # against a large source file like Tkinter.py.
  18         ast = None
  19         new = parser.tuple2ast(tup)
  20     except parser.ParserError, err:
  21         print
  22         print 'parser module raised exception on input file', fileName + ':'
  23         traceback.print_exc()
  24         _numFailed = _numFailed + 1
  25     else:
  26         if tup != parser.ast2tuple(new):
  27             print
  28             print 'parser module failed on input file', fileName
  29             _numFailed = _numFailed + 1
  30         else:
  31             print 'o.k.'
  32
  33 def testFile(fileName):
  34     t = open(fileName).read()
  35     testChunk(t, fileName)
  36
  37 def test():
  38     import sys
  39     args = sys.argv[1:]
  40     if not args:
  41         import glob
  42         args = glob.glob("*.py")
  43         args.sort()
  44     map(testFile, args)
  45     sys.exit(_numFailed != 0)
  46
  47 if __name__ == '__main__':
  48     test()