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