import os
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import sys
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import antlr3
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import testbase
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import unittest
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from cStringIO import StringIO
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import difflib
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class t020fuzzy(testbase.ANTLRTest):
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def setUp(self):
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self.compileGrammar('t020fuzzyLexer.g')
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def testValid(self):
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inputPath = os.path.splitext(__file__)[0] + '.input'
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stream = antlr3.StringStream(open(inputPath).read())
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lexer = self.getLexer(stream)
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while True:
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token = lexer.nextToken()
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if token.type == antlr3.EOF:
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break
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output = lexer.output.getvalue()
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outputPath = os.path.splitext(__file__)[0] + '.output'
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testOutput = open(outputPath).read()
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success = (output == testOutput)
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if not success:
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d = difflib.Differ()
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r = d.compare(output.splitlines(1), testOutput.splitlines(1))
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self.fail(
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''.join([l.encode('ascii', 'backslashreplace') for l in r])
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)
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if __name__ == '__main__':
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unittest.main()
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