1 import antlr3 2 import testbase 3 import unittest 4 5 class t014parser(testbase.ANTLRTest): 6 def setUp(self): 7 self.compileGrammar() 8 9 10 def testValid(self): 11 cStream = antlr3.StringStream('var foobar; gnarz(); var blupp; flupp ( ) ;') 12 lexer = self.getLexer(cStream) 13 tStream = antlr3.CommonTokenStream(lexer) 14 parser = self.getParser(tStream) 15 parser.document() 16 17 self.assertEqual(parser.reportedErrors, []) 18 self.assertEqual(parser.events, 19 [('decl', 'foobar'), ('call', 'gnarz'), 20 ('decl', 'blupp'), ('call', 'flupp')]) 21 22 23 def testMalformedInput1(self): 24 cStream = antlr3.StringStream('var; foo();') 25 lexer = self.getLexer(cStream) 26 tStream = antlr3.CommonTokenStream(lexer) 27 parser = self.getParser(tStream) 28 29 parser.document() 30 31 # FIXME: currently strings with formatted errors are collected 32 # can't check error locations yet 33 self.assertEqual(len(parser.reportedErrors), 1, parser.reportedErrors) 34 self.assertEqual(parser.events, []) 35 36 37 def testMalformedInput2(self): 38 cStream = antlr3.StringStream('var foobar(); gnarz();') 39 lexer = self.getLexer(cStream) 40 tStream = antlr3.CommonTokenStream(lexer) 41 parser = self.getParser(tStream) 42 43 parser.document() 44 45 # FIXME: currently strings with formatted errors are collected 46 # can't check error locations yet 47 self.assertEqual(len(parser.reportedErrors), 1, parser.reportedErrors) 48 self.assertEqual(parser.events, [('call', 'gnarz')]) 49 50 51 def testMalformedInput3(self): 52 cStream = antlr3.StringStream('gnarz(; flupp();') 53 lexer = self.getLexer(cStream) 54 tStream = antlr3.CommonTokenStream(lexer) 55 parser = self.getParser(tStream) 56 57 parser.document() 58 59 # FIXME: currently strings with formatted errors are collected 60 # can't check error locations yet 61 self.assertEqual(len(parser.reportedErrors), 1, parser.reportedErrors) 62 self.assertEqual(parser.events, [('call', 'gnarz'), ('call', 'flupp')]) 63 64 65 if __name__ == '__main__': 66 unittest.main() 67
