import unittest
from simpleparse.parser import Parser
from simpleparse.common import strings
from simpleparse import dispatchprocessor


parseTests = [
    # each production should match the whole of all of the first,
    # and not match any of the second...
    ("string_triple_single", [
        """'''this and that'''""",
        """'''this \\''' '''""",
        """''''''""",
        """''''\\''''""",
    ],[]),
    ("string_triple_double", [
        '''"""this and that"""''',
        '''"""this \\""" """''',
        '''""""""''',
        '''""""\\""""''',
    ],[]),
    ("string_double_quote", [
        '"\\p"',
        '"\\""',
    ],[]),
    ("string",[
        "'this'",
        '"that"',
        r'"\b\f\n\r"',
        r'"\x32\xff\xcf"',
        r'"\032\033\055\077"',
        r'"\t\v\\\a\b\f\n\r"',
        r'"\t"',
        r'"\v"',
        r'"\""',
    ], []),
]


class CommonTests(unittest.TestCase):
    def testBasic( self ):
        proc = dispatchprocessor.DispatchProcessor()
        setattr(proc, "string", strings.StringInterpreter())
        for production, yestable, notable in parseTests:
            p = Parser( "x := %s"%production, 'x')
            for data in yestable:
                if production == 'string':
                    success, results, next = p.parse( data, processor=proc)
                else:
                    success, results, next = p.parse( data)
                assert success and (next == len(data)), """Did not parse string %s as a %s result=%s"""%( repr(data), production, (success, results, next))
                assert results, """Didn't get any results for string %s as a %s result=%s"""%( repr(data), production, (success, results, next))
                if production == 'string':
                    expected = eval( data, {},{})
                    assert results[0] == expected, """Got different interpreted value for data %s, we got %s, expected %s"""%( repr(data), repr(results[0]), repr(expected))
            for data in notable:
                success, results, next = p.parse( data)
                assert not success, """Parsed %s of %s as a %s result=%s"""%( repr(data), production, (success, results, next))
                
        
        
def getSuite():
    return unittest.makeSuite(CommonTests, 'test')

if __name__ == "__main__":
    unittest.main(defaultTest="getSuite")