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| 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 unittest | |
| 7 | |
| 8 from idl_lexer import IDLLexer | |
| 9 from idl_ppapi_lexer import IDLPPAPILexer | |
| 10 | |
| 11 # | |
| 12 # FileToTokens | |
| 13 # | |
| 14 # From a source file generate a list of tokens. | |
| 15 # | |
| 16 def FileToTokens(lexer, filename): | |
| 17 with open(filename, 'rb') as srcfile: | |
| 18 lexer.Tokenize(srcfile.read(), filename) | |
| 19 return lexer.GetTokens() | |
| 20 | |
| 21 | |
| 22 # | |
| 23 # TextToTokens | |
| 24 # | |
| 25 # From a source file generate a list of tokens. | |
| 26 # | |
| 27 def TextToTokens(lexer, text): | |
| 28 lexer.Tokenize(text) | |
| 29 return lexer.GetTokens() | |
| 30 | |
| 31 | |
| 32 class WebIDLLexer(unittest.TestCase): | |
| 33 def setUp(self): | |
| 34 self.lexer = IDLLexer() | |
| 35 self.filenames = [ | |
| 36 'test_lexer/values.in', | |
| 37 'test_lexer/keywords.in' | |
| 38 ] | |
| 39 | |
| 40 # | |
| 41 # testRebuildText | |
| 42 # | |
| 43 # From a set of tokens, generate a new source text by joining with a | |
| 44 # single space. The new source is then tokenized and compared against the | |
| 45 # old set. | |
| 46 # | |
| 47 def testRebuildText(self): | |
| 48 for filename in self.filenames: | |
| 49 tokens1 = FileToTokens(self.lexer, filename) | |
| 50 to_text = '\n'.join(['%s' % t.value for t in tokens1]) | |
| 51 tokens2 = TextToTokens(self.lexer, to_text) | |
| 52 | |
| 53 count1 = len(tokens1) | |
| 54 count2 = len(tokens2) | |
| 55 self.assertEqual(count1, count2) | |
| 56 | |
| 57 for i in range(count1): | |
| 58 msg = 'Value %s does not match original %s on line %d of %s.' % ( | |
| 59 tokens2[i].value, tokens1[i].value, tokens1[i].lineno, filename) | |
| 60 self.assertEqual(tokens1[i].value, tokens2[i].value, msg) | |
| 61 | |
| 62 # | |
| 63 # testExpectedType | |
| 64 # | |
| 65 # From a set of tokens pairs, verify the type field of the second matches | |
| 66 # the value of the first, so that: | |
| 67 # integer 123 float 1.1 ... | |
| 68 # will generate a passing test, when the first token has both the type and | |
| 69 # value of the keyword integer and the second has the type of integer and | |
| 70 # value of 123 and so on. | |
| 71 # | |
| 72 def testExpectedType(self): | |
| 73 for filename in self.filenames: | |
| 74 tokens = FileToTokens(self.lexer, filename) | |
| 75 count = len(tokens) | |
| 76 self.assertTrue(count > 0) | |
| 77 self.assertFalse(count & 1) | |
| 78 | |
| 79 index = 0 | |
| 80 while index < count: | |
| 81 expect_type = tokens[index].value | |
| 82 actual_type = tokens[index + 1].type | |
| 83 msg = 'Type %s does not match expected %s on line %d of %s.' % ( | |
| 84 actual_type, expect_type, tokens[index].lineno, filename) | |
| 85 index += 2 | |
| 86 self.assertEqual(expect_type, actual_type, msg) | |
| 87 | |
| 88 | |
| 89 class PepperIDLLexer(WebIDLLexer): | |
| 90 def setUp(self): | |
| 91 self.lexer = IDLPPAPILexer() | |
| 92 self.filenames = [ | |
| 93 'test_lexer/values_ppapi.in', | |
| 94 'test_lexer/keywords_ppapi.in' | |
| 95 ] | |
| 96 | |
| 97 | |
| 98 if __name__ == '__main__': | |
| 99 unittest.main() | |
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Chromium Code Reviews
Issue 1713673002:
Remove //tools/idl_parser. (Closed)
Base URL: https://github.com/domokit/mojo.git@master