tools/idl_parser/idl_parser_test.py

   1 #!/usr/bin/env python
   2 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 import glob
   7 import unittest
   8
   9 from idl_lexer import IDLLexer
  10 from idl_parser import IDLParser, ParseFile
  11 from idl_ppapi_lexer import IDLPPAPILexer
  12 from idl_ppapi_parser import IDLPPAPIParser
  13
  14 def ParseCommentTest(comment):
  15   comment = comment.strip()
  16   comments = comment.split(None, 1)
  17   return comments[0], comments[1]
  18
  19
  20 class WebIDLParser(unittest.TestCase):
  21   def setUp(self):
  22     self.parser = IDLParser(IDLLexer(), mute_error=True)
  23     self.filenames = glob.glob('test_parser/*_web.idl')
  24
  25   def _TestNode(self, node):
  26     comments = node.GetListOf('Comment')
  27     for comment in comments:
  28       check, value = ParseCommentTest(comment.GetName())
  29       if check == 'BUILD':
  30         msg = 'Expecting %s, but found %s.\n' % (value, str(node))
  31         self.assertEqual(value, str(node), msg)
  32
  33       if check == 'ERROR':
  34         msg = node.GetLogLine('Expecting\n\t%s\nbut found \n\t%s\n' % (
  35                               value, str(node)))
  36         self.assertEqual(value, node.GetName(), msg)
  37
  38       if check == 'PROP':
  39         key, expect = value.split('=')
  40         actual = str(node.GetProperty(key))
  41         msg = 'Mismatched property %s: %s vs %s.\n' % (key, expect, actual)
  42         self.assertEqual(expect, actual, msg)
  43
  44       if check == 'TREE':
  45         quick = '\n'.join(node.Tree())
  46         lineno = node.GetProperty('LINENO')
  47         msg = 'Mismatched tree at line %d:\n%sVS\n%s' % (lineno, value, quick)
  48         self.assertEqual(value, quick, msg)
  49
  50   def testExpectedNodes(self):
  51     for filename in self.filenames:
  52       filenode = ParseFile(self.parser, filename)
  53       children = filenode.GetChildren()
  54       self.assertTrue(len(children) > 2, 'Expecting children in %s.' %
  55                       filename)
  56
  57       for node in filenode.GetChildren()[2:]:
  58         self._TestNode(node)
  59
  60
  61 class PepperIDLParser(unittest.TestCase):
  62   def setUp(self):
  63     self.parser = IDLPPAPIParser(IDLPPAPILexer(), mute_error=True)
  64     self.filenames = glob.glob('test_parser/*_ppapi.idl')
  65
  66   def _TestNode(self, filename, node):
  67     comments = node.GetListOf('Comment')
  68     for comment in comments:
  69       check, value = ParseCommentTest(comment.GetName())
  70       if check == 'BUILD':
  71         msg = '%s - Expecting %s, but found %s.\n' % (
  72             filename, value, str(node))
  73         self.assertEqual(value, str(node), msg)
  74
  75       if check == 'ERROR':
  76         msg = node.GetLogLine('%s - Expecting\n\t%s\nbut found \n\t%s\n' % (
  77                               filename, value, str(node)))
  78         self.assertEqual(value, node.GetName(), msg)
  79
  80       if check == 'PROP':
  81         key, expect = value.split('=')
  82         actual = str(node.GetProperty(key))
  83         msg = '%s - Mismatched property %s: %s vs %s.\n' % (
  84                               filename, key, expect, actual)
  85         self.assertEqual(expect, actual, msg)
  86
  87       if check == 'TREE':
  88         quick = '\n'.join(node.Tree())
  89         lineno = node.GetProperty('LINENO')
  90         msg = '%s - Mismatched tree at line %d:\n%sVS\n%s' % (
  91                               filename, lineno, value, quick)
  92         self.assertEqual(value, quick, msg)
  93
  94   def testExpectedNodes(self):
  95     for filename in self.filenames:
  96       filenode = ParseFile(self.parser, filename)
  97       children = filenode.GetChildren()
  98       self.assertTrue(len(children) > 2, 'Expecting children in %s.' %
  99                       filename)
 100
 101       for node in filenode.GetChildren()[2:]:
 102         self._TestNode(filename, node)
 103
 104 if __name__ == '__main__':
 105   unittest.main(verbosity=2)
 106