/usr/share/pyshared/simpleparse/tests/test_grammarparser.py is in python-simpleparse 2.1.0a1-6build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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"""
import unittest, pprint
from simpleparse.simpleparsegrammar import SPGenerator, declaration
from simpleparse.parser import Parser
from simpleparse.error import ParserSyntaxError
from simpleparse.stt.TextTools import TextTools
from genericvalues import NullResult, AnyInt
from simpleparse.stt.TextTools import print_tagtable
print_tagtable(
SPGenerator.buildParser( 'range' )
)
class SimpleParseGrammarTests(unittest.TestCase):
"""Test parsing of the the simpleparse grammar elements"""
def doBasicTest(self, parserName, testValue, expected, ):
parser = SPGenerator.buildParser( parserName )
result = TextTools.tag( testValue, parser )
assert result == expected, '''\nexpected:%s\n got:%s\n'''%( expected, result )
def testChar1( self ):
self.doBasicTest(
"CHARNODBLQUOTE",
'test\\""',
(1, [], 4),
)
def testChar2( self ):
self.doBasicTest(
"ESCAPEDCHAR",
'\\n"',
(1, [('SPECIALESCAPEDCHAR', 1, 2, NullResult)], 2),
)
def testChar3( self ):
self.doBasicTest(
"ESCAPEDCHAR",
'\\007"',
(1, [('OCTALESCAPEDCHAR', 1, 4, NullResult)], 4),
)
def testChar4( self ):
testValue = '\\""'
self.doBasicTest(
"CHARNODBLQUOTE",
testValue,
(0, [], AnyInt),
)
def testChar5( self ):
self.doBasicTest(
"CHARNODBLQUOTE",
'ehllo\\""',
(1, [], 5),
)
def testChar6( self ):
self.doBasicTest(
"CHARNODBLQUOTE",
'007',
(1, [], 3),
)
def testChar7( self ):
self.doBasicTest(
"ESCAPEDCHAR",
'\\"',
(1, [('SPECIALESCAPEDCHAR', 1, 2, NullResult)], 2),
)
def testChar8( self ):
self.doBasicTest(
"ESCAPEDCHAR",
'\\"',
(1, [('SPECIALESCAPEDCHAR', 1, 2, NullResult)], 2),
)
def testChar9( self ):
self.doBasicTest(
"ESCAPEDCHAR",
'\\x10',
(1, [('HEXESCAPEDCHAR', 2, 4, NullResult)], 4),
)
def testChar85( self ):
self.doBasicTest(
"HEXESCAPEDCHAR",
'10',
(1, [], 2),
)
def testCharNoBrace1( self ):
self.doBasicTest(
"CHARNOBRACE",
'a-z',
(1, [('CHAR', 0, 1, NullResult)], 1),
)
def testCharRange1( self ):
self.doBasicTest(
"CHARRANGE",
'a-z',
(1, [('CHARNOBRACE', 0, 1, [('CHAR', 0, 1, NullResult)]),('CHARNOBRACE', 2, 3, [('CHAR', 2, 3, NullResult)])], 3),
)
def testRange1( self ):
self.doBasicTest(
"range",
'[a-zA-Z]',
(1, [
('CHARRANGE',1,4,[
('CHARNOBRACE', 1, 2, [('CHAR', 1, 2, NullResult)]),
('CHARNOBRACE', 3, 4, [('CHAR', 3, 4, NullResult)]),
]),
('CHARRANGE',4,7,[
('CHARNOBRACE', 4, 5, [('CHAR', 4, 5, NullResult)]),
('CHARNOBRACE', 6, 7, [('CHAR', 6, 7, NullResult)]),
]),
], 8)
)
def testRange2( self ):
self.doBasicTest(
"range",
'[-a-zA-Z]',
(1, [
('CHARDASH', 1, 2, NullResult),
('CHARRANGE',2,5,[
('CHARNOBRACE', 2, 3, [('CHAR', 2, 3, NullResult)]),
('CHARNOBRACE', 4, 5, [('CHAR', 4, 5, NullResult)]),
]),
('CHARRANGE',5,8,[
('CHARNOBRACE', 5, 6, [('CHAR', 5, 6, NullResult)]),
('CHARNOBRACE', 7, 8, [('CHAR', 7, 8, NullResult)]),
]),
], 9),
)
def testRange3( self ):
self.doBasicTest(
"range",
'[]a-zA-Z]',
(1, [
('CHARBRACE', 1, 2, NullResult),
('CHARRANGE',2,5,[
('CHARNOBRACE', 2, 3, [('CHAR', 2, 3, NullResult)]),
('CHARNOBRACE', 4, 5, [('CHAR', 4, 5, NullResult)]),
]),
('CHARRANGE',5,8,[
('CHARNOBRACE', 5, 6, [('CHAR', 5, 6, NullResult)]),
('CHARNOBRACE', 7, 8, [('CHAR', 7, 8, NullResult)]),
]),
], 9),
)
def testRange4( self ):
"""Test optional repeating children running into eof
Original SimpleParse had a major failure here,
system hung trying to parse the [] string. Basically,
there was no check for EOF during a repeating-item
parse (save for literals and character sets), so you
wound up with infinite loops.
"""
self.doBasicTest(
"range",
'[]',
(0, [], AnyInt),
)
def testRange5( self ):
"""Test optional repeating children with no termination
Original SimpleParse had a major failure here,
system hung trying to parse the [] string. Basically,
there was no check for EOF during a repeating-item
parse (save for literals and character sets), so you
wound up with infinite loops.
"""
self.doBasicTest(
"range",
'[] ',
(0, [], AnyInt),
)
def testLiteral1( self ):
self.doBasicTest(
"literal",
'"test"',
(1, [('CHARNODBLQUOTE', 1, 5, NullResult)], 6),
)
def testLiteral2( self ):
self.doBasicTest(
"literal",
'"test\\""',
(1, [
('CHARNODBLQUOTE', 1, 5, NullResult),
('ESCAPEDCHAR', 5, 7, [
('SPECIALESCAPEDCHAR', 6, 7, NullResult)
])
], 8)
)
def testLiteral3( self ):
self.doBasicTest(
"literal",
'""',
(1, [], 2),
)
def testLiteral4( self ):
self.doBasicTest(
"literal",
'"\'"',
(1, [('CHARNODBLQUOTE', 1, 2, NullResult),], 3),
)
def testLiteral5( self ):
self.doBasicTest(
"literal",
'"\\"test"',
(1, [
('ESCAPEDCHAR', 1, 3, [
('SPECIALESCAPEDCHAR', 2, 3, NullResult)
]),
('CHARNODBLQUOTE', 3, 7, NullResult)
], 8)
)
def testLiteral6( self ):
self.doBasicTest(
"literal",
'"test\\023""',
(1, [
('CHARNODBLQUOTE', 1, 5, NullResult),
('ESCAPEDCHAR', 5, 9, [
('OCTALESCAPEDCHAR', 6, 9, NullResult)
])
], 10)
)
def testLiteralDecorator( self ):
self.doBasicTest(
"literalDecorator",
'c',
(1, [], 1),
)
def testLiteralDecorator2( self ):
self.doBasicTest(
"literal",
'c"this"',
(1, [('literalDecorator',0,1,NullResult),('CHARNODBLQUOTE',2,6,NullResult)], 7),
)
def testLiteralDecorator3( self ):
"""Decorator must be right next to literal, no whitespace"""
self.doBasicTest(
"literal",
'c "this"',
(0, [], AnyInt),
)
def testWhitespace1( self ):
self.doBasicTest(
"ts",
' \t',
(1, [], 3)
)
def testWhitespace2( self ):
self.doBasicTest(
"ts",
' \t\n',
(1, [], 4)
)
def testWhitespace3( self ):
self.doBasicTest(
"ts",
' \t#testing\r\n',
(1, [('comment', 3, 13, NullResult)], 13)
)
def testWhitespace4( self ):
self.doBasicTest(
"ts",
'nospace',
(1, [], 0)
)
def testWhitespace5( self ):
"""Bug in 2.0.0 where Null comments such as:
"#\n"
didn't parse.
"""
self.doBasicTest(
"ts",
' #\n ',
(1, [('comment',1,3,NullResult)], 4)
)
def testName1( self ):
self.doBasicTest(
"name",
'abcdefg',
(1, [], 7)
)
def testName2( self ):
self.doBasicTest(
"name",
'2abcdefg',
(0, [], AnyInt)
)
def testName3( self ):
self.doBasicTest(
"name",
'_abcdefg_-',
(1, [], 9)
)
def testUnreportedName1( self ):
self.doBasicTest(
"unreportedname",
'<abcdefg>',
(1, [('name',1,8,NullResult)], 9)
)
def testUnreportedName2( self ):
self.doBasicTest(
"unreportedname",
'<>',
(0, [], AnyInt)
)
def testExpandedName1( self ):
self.doBasicTest(
"expandedname",
'>abcdefg<',
(1, [('name',1,8,NullResult)], 9)
)
def testExpandedName2( self ):
self.doBasicTest(
"expandedname",
'><',
(0, [], AnyInt)
)
def testComment1( self ):
self.doBasicTest(
"comment",
'>',
(0, [], AnyInt)
)
def testComment2( self ):
self.doBasicTest(
"comment",
'#testing\n',
(1, [], 9)
)
def testOccurenceIndicator1( self ):
self.doBasicTest(
"occurence_indicator",
'*',
(1, [], 1)
)
def testOccurenceIndicator2( self ):
self.doBasicTest(
"occurence_indicator",
'+',
(1, [], 1)
)
def testOccurenceIndicator3( self ):
self.doBasicTest(
"occurence_indicator",
'?',
(1, [], 1)
)
def testOccurenceIndicator4( self ):
self.doBasicTest(
"occurence_indicator",
'hello',
(0, [], AnyInt)
)
def testOccurenceIndicator5( self ):
self.doBasicTest(
"occurence_indicator",
'',
(0, [], AnyInt)
)
def testLookAheadIndicator1( self ):
self.doBasicTest(
"lookahead_indicator",
'?',
(1, [], 1)
)
def testLookAheadIndicator2( self ):
self.doBasicTest(
"lookahead_indicator",
'',
(0, [], AnyInt)
)
def testNegposIndicator1( self ):
self.doBasicTest(
"negpos_indicator",
'-',
(1, [], 1)
)
def testNegposIndicator2( self ):
self.doBasicTest(
"negpos_indicator",
'+',
(1, [], 1)
)
def testNegposIndicator2( self ):
self.doBasicTest(
"negpos_indicator",
')',
(0, [], AnyInt)
)
def testErrorOnFailFlag1( self ):
self.doBasicTest(
"error_on_fail",
'!',
(1, [], 1)
)
def testFOGroup1( self ):
self.doBasicTest(
"fo_group",
'a/b',
(1, [
('element_token', 0,1,[
("name",0,1,NullResult),
]),
('element_token', 2,3,[
("name",2,3,NullResult),
]),
], 3)
)
def testSEQToken1( self ):
self.doBasicTest(
"seq_group",
'a,b',
(1, [
('element_token', 0,1,[
("name",0,1,NullResult),
]),
('element_token', 2,3,[
("name",2,3,NullResult),
]),
], 3)
)
def testSEQGroup1( self ):
self.doBasicTest(
"seq_group",
'a,#c\012b',
(1, [
('element_token', 0,1,[
("name",0,1,NullResult),
]),
('element_token', 5,6,[
("name",5,6,NullResult),
]),
], 6)
)
def testSeqGroup2( self ):
self.doBasicTest(
"seq_group",
'ts, (unreportedname/expandedname/name)',
(1, [
('element_token', 0,2,[
("name",0,2,NullResult),
]),
('element_token', 4,38,[
('seq_group',5,37,[
('fo_group',5,37,[
('element_token', 7,8,[
("name",7,8,NullResult),
])
]),
]),
]),
], 38)
)
def testSeqGroup2( self ):
self.doBasicTest(
"seq_group",
'(a/b/c)',
(1, [
('element_token',0,7,[
('seq_group',1,6,[
('fo_group',1,6,[
('element_token', 1,2,[
("name",1,2,NullResult),
]),
('element_token', 3,4,[
("name",3,4,NullResult),
]),
('element_token', 5,6,[
("name",5,6,NullResult),
]),
]),
]),
]),
], 7)
)
def testGroup1( self ):
self.doBasicTest(
"group",
'()',
(0, [], AnyInt)
)
def testGroup2( self ):
self.doBasicTest(
"group",
'(hello)',
(1, [
('seq_group',1,6,[
('element_token', 1,6,[
("name",1,6,NullResult),
]),
]),
], 7)
)
def testGroup3( self ):
'''Test group with sequential added group
Note that this test also serves to test
the function of non-reporting names'''
self.doBasicTest(
"group",
'(hello, there)',
(1, [
('seq_group', 1,13,[
('element_token', 1,6,[
("name",1,6,NullResult),
]),
('element_token', 8,13,[
("name",8,13,NullResult),
]),
]),
], 14)
)
def testGroup4( self ):
'''Test group with sequential added group
Note that this test also serves to test
the function of non-reporting names'''
self.doBasicTest(
"group",
'(hello/there)',
(1, [
('seq_group',1,12,[
('fo_group',1,12,[
('element_token', 1,6,[
("name",1,6,NullResult),
]),
('element_token', 7,12,[
("name",7,12,NullResult),
]),
]),
]),
], 13)
)
def testGroup5( self ):
'''Test group with sequential added group
Note that this test also serves to test
the function of non-reporting names'''
self.doBasicTest(
"group",
'([the]/"and")',
(1, [
('seq_group',1,12,[
('fo_group',1,12,[
('element_token', 1,6,[
("range",1,6,[
('CHARNOBRACE', 2,3,[ # this should really be a collapsed level
('CHAR', 2,3,NullResult),
]),
('CHARNOBRACE', 3,4,[ # this should really be a collapsed level
('CHAR', 3,4,NullResult),
]),
('CHARNOBRACE', 4,5,[ # this should really be a collapsed level
('CHAR', 4,5,NullResult),
]),
]),
]),
('element_token', 7,12,[
("literal",7,12,[
('CHARNODBLQUOTE', 8,11,NullResult),
]),
]),
]),
]),
], 13)
)
def testGroup6( self ):
'''Test group with multiple / 'd values'''
self.doBasicTest(
"group",
'(hello/there/a)',
(1, [
('seq_group',1,14,[
('fo_group',1,14,[
('element_token', 1,6,[
("name",1,6,NullResult),
]),
('element_token', 7,12,[
("name",7,12,NullResult),
]),
('element_token', 13,14,[
("name",13,14,NullResult),
]),
]),
]),
], 15)
)
def testElementToken1( self ):
self.doBasicTest(
"element_token",
'hello',
(1, [
("name",0,5,NullResult),
], 5)
)
def testElementToken2( self ):
self.doBasicTest(
"element_token",
'-hello',
(1, [
("negpos_indicator",0,1,NullResult),
("name",1,6,NullResult),
], 6)
)
def testElementToken3( self ):
self.doBasicTest(
"element_token",
'-hello?',
(1, [
("negpos_indicator",0,1,NullResult),
("name",1,6,NullResult),
("occurence_indicator",6,7,NullResult),
], 7)
)
def testElementToken4( self ):
self.doBasicTest(
"element_token",
'- hello ?',
(1, [
("negpos_indicator",0,1,NullResult),
("name",2,7,NullResult),
("occurence_indicator",8,9,NullResult),
], 9)
)
def testElementToken5( self ):
self.doBasicTest(
"element_token",
'+ hello ?',
(1, [
("negpos_indicator",0,1,NullResult),
("name",2,7,NullResult),
("occurence_indicator",8,9,NullResult),
], 9)
)
def testElementToken6( self ):
"""Lookahead indicator with positive"""
self.doBasicTest(
"element_token",
'? + hello ?',
(1, [
("lookahead_indicator",0,1,NullResult),
("negpos_indicator",2,3,NullResult),
("name",4,9,NullResult),
("occurence_indicator",10,11,NullResult),
], 11)
)
def testElementToken7( self ):
"""Lookahead indicator with negative"""
self.doBasicTest(
"element_token",
'? - hello ?',
(1, [
("lookahead_indicator",0,1,NullResult),
("negpos_indicator",2,3,NullResult),
("name",4,9,NullResult),
("occurence_indicator",10,11,NullResult),
], 11)
)
def testElementToken8( self ):
"""Lookahead indicator with no neg or pos"""
self.doBasicTest(
"element_token",
'?hello?',
(1, [
("lookahead_indicator",0,1,NullResult),
("name",1,6,NullResult),
("occurence_indicator",6,7,NullResult),
], 7)
)
def testElementToken8( self ):
"""Error on fail indicator"""
self.doBasicTest(
"element_token",
'hello+!',
(1, [
("name",0,5,NullResult),
("occurence_indicator",5,6,NullResult),
("error_on_fail",6,7,NullResult),
], 7)
)
def testElementToken9( self ):
"""Error on fail indicator with message"""
self.doBasicTest(
"element_token",
'hello+! "Unable to complete parse, yikes!"',
(1, [
("name",0,5,NullResult),
("occurence_indicator",5,6,NullResult),
("error_on_fail",6,42,[
("literal",8,42,[
("CHARNODBLQUOTE",9,41,NullResult),
]),
]),
], 42)
)
def testCutToken2( self ):
self.doBasicTest(
"element_token",
'(!,a)',
(1, [
('seq_group', 1,4, [
("error_on_fail",1,2,NullResult),
('element_token',3,4,[
("name",3,4,NullResult),
]),
]),
], 5)
)
def testCutToken3( self ):
self.doBasicTest(
"element_token",
'(a,!"this")',
(1, [
('seq_group', 1,10, [
('element_token',1,2,[
("name",1,2,NullResult),
]),
("error_on_fail",3,10,[
("literal",4,10,[
("CHARNODBLQUOTE",5,9,NullResult),
]),
]),
]),
], 11)
)
def testCutToken4( self ):
self.doBasicTest(
"element_token",
'(a,!"this",b)',
(1, [
('seq_group', 1,12, [
('element_token',1,2,[
("name",1,2,NullResult),
]),
("error_on_fail",3,10,[
("literal",4,10,[
("CHARNODBLQUOTE",5,9,NullResult),
]),
]),
('element_token',11,12,[
("name",11,12,NullResult),
]),
]),
], 13)
)
def testDeclaration( self ):
self.doBasicTest(
"declaration",
'a := "a"',
(1, [
("name",0,1,NullResult),
('seq_group',4,8,[
('element_token', 5,8,[
("literal",5,8,[
('CHARNODBLQUOTE', 6,7,NullResult),
]),
]),
]),
], 8)
)
def testDeclaration2( self ):
self.doBasicTest(
"declaration",
'a := b',
(1, [
("name",0,1,NullResult),
('seq_group',4,6,[
('element_token', 5,6,[
("name",5,6,NullResult),
])
]),
], 6)
)
def testDeclaration3( self ):
self.doBasicTest(
"declaration",
'a := ',
(0,[],AnyInt)
)
def testDeclaration4( self ):
self.doBasicTest(
"declaration",
'<a> := b',
(1, [
("unreportedname",0,3,[
("name",1,2,NullResult),
]),
('seq_group',6,8,[
('element_token', 7,8,[
("name",7,8,NullResult),
]),
])
], 8)
)
def testDeclaration5( self ):
self.doBasicTest(
"declaration",
'>a< := b',
(1, [
("expandedname",0,3,[
("name",1,2,NullResult),
]),
('seq_group',6,8,[
('element_token', 7,8,[
("name",7,8,NullResult),
])
]),
], 8)
)
def testDeclarationSet1( self ):
self.doBasicTest(
"declarationset",
'a := b #hello\012b:="c"',
(1, [
('declaration', 0,15,[
("name",0,1,NullResult),
('seq_group',4,15,[
('element_token', 5,15,[
("name",5,6,NullResult),
])
])
]),
('declaration', 15,21,[
("name",15,16,NullResult),
('seq_group',18,21,[
('element_token', 18,21,[
("literal",18,21,[
('CHARNODBLQUOTE', 19,20,NullResult),
]),
]),
]),
]),
], 21)
)
def testDeclarationSet2( self ):
'''Just tries to parse and sees that everything was parsed, doesn't predict the result'''
parser = SPGenerator.buildParser( "declarationset" )
result = TextTools.tag( declaration, parser )
assert result[-1] == len(declaration), '''Didn't complete parse of the simpleparse declaration, only got %s chars, should have %s'''%(result[-1], len(declaration))
recursiveParser = Parser(declaration)
class SimpleParseRecursiveTests(SimpleParseGrammarTests):
"""Test parsing of grammar elements with generated version of simpleparse grammar"""
def doBasicTest(self, parserName, testValue, expected, ):
result = recursiveParser.parse( testValue, production=parserName )
assert result == expected, '''\nexpected:%s\n got:%s\n'''%( expected, result )
def getSuite():
return unittest.TestSuite((
unittest.makeSuite(SimpleParseGrammarTests,'test'),
unittest.makeSuite(SimpleParseRecursiveTests,'test'),
))
if __name__ == "__main__":
unittest.main(defaultTest="getSuite")
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