# Path: format_sql/parser.py
# class Identifier(object):
#     value = attr.ib()
#     alias = attr.ib(default=None)
#     as_ = attr.ib(default=None)
#     sort = attr.ib(default=None)
# 
#     def __str__(self):
#         return '%s' % self.value
# 
# class InvalidCondition(InvalidSQL):
#     pass
# 
# class InvalidIdentifier(InvalidSQL):
#     pass
# 
# class InvalidLimit(InvalidSQL):
#     pass
# 
# class Number(object):
#     value = attr.ib()
#     alias = attr.ib(default=None)
#     as_ = attr.ib(default=None)
#     sort = attr.ib(default=None)
# 
#     def __str__(self):
#         return '%s' % self.value
# 
# def _parse_identifier(toks):
#     count = 0
# 
#     if _match(toks, [(Token.IDENTIFIER, Token.STR, Token.NUMBER)]):
#         if toks[0]._type == Token.IDENTIFIER:
#             cls = Identifier
#         elif toks[0]._type == Token.NUMBER:
#             cls = Number
# 
#         value = cls(toks[0]._value)
#         count += 1
# 
#         alias, j = _parse_alias(toks[count:])
#         count += j
#         value.as_ = alias['as']
#         value.alias = alias['alias']
# 
#         return value, count
# 
#     raise InvalidIdentifier(toks)
# 
# def parse(toks):
#     for statement, unused_count in _parse(toks):
#         yield statement
# 
# Path: format_sql/tokenizer.py
# class Token:
#     AS = 'AS'
#     ASC = 'ASC'
#     COMMA = ','
#     COMPARE = 'compare'
#     DESC = 'DESC'
#     FROM = 'FROM'
#     FUNC = 'func'
#     GROUP_BY = 'GROUP'
#     IDENTIFIER = 'identifier'
#     IN = 'IN'
#     INSERT = 'INSERT'
#     IS = 'IS'
#     ON = 'ON'
#     NULL = 'NULL'
#     HAVING = 'HAVING'
#     JOIN = 'join'
#     LIMIT = 'LIMIT'
#     LINK = 'link'
#     NOT = 'NOT'
#     NUMBER = 'number'
#     ORDER_BY = 'ORDER'
#     PARENTHESIS_CLOSE = ')'
#     PARENTHESIS_OPEN = '('
#     SEMICOLON = ';'
#     SELECT = 'SELECT'
#     STR = 'str'
#     WITH_ROLLUP = 'WITH'
#     WHERE = 'WHERE'
#     VALUES = 'VALUES'
#     BETWEEN = 'BETWEEN'
#     CASE = 'CASE'
#     WHEN = 'WHEN'
#     THEN = 'THEN'
#     ELSE = 'ELSE'
# 
#     def __init__(self, token_type, token_value):
#         self._type = token_type
#         self._value = token_value
# 
#     def __repr__(self):
#         return '<%s: %s>' % (self._type, self._value)
# 
#     @staticmethod
#     def get_token(value):
#         normalized = value.split()[0].upper()
# 
#         if normalized in TOKEN_RES.keys():
#             return normalized
# 
#         normalized = value.split()[-1].upper()
#         if normalized == 'JOIN':
#             return Token.JOIN
# 
#         return None


import pytest
from format_sql.parser import (Identifier, InvalidCondition, InvalidIdentifier,
                               InvalidLimit, Number, _parse_identifier, parse)
from format_sql.tokenizer import Token
    assert parsed_statements == statements2


@pytest.mark.parametrize(('tokens', 'exception'), [
    ([Token(Token.LIMIT, '')], InvalidLimit),
    ([Token(Token.WHERE, ''), Token(Token.IDENTIFIER, '')], InvalidCondition),
])
def test_parse_exceptions(tokens, exception):
    with pytest.raises(exception):
        list(parse(tokens))


def test_parse_identifier_with_exception():
    with pytest.raises(InvalidIdentifier):
        _parse_identifier([])


@pytest.mark.parametrize(('tokens', 'expected_value', 'expected_count'), [
    ([Token(Token.IDENTIFIER, 'ident')],
     Identifier('ident'),
     1),
    ([Token(Token.NUMBER, '1')],
     Number('1'),
     1),
    ([Token(Token.IDENTIFIER, 'x'), Token(Token.IDENTIFIER, 't')],
     Identifier('x', alias='t'),
     2),
    ([Token(Token.IDENTIFIER, 'x'),
      Token(Token.AS, 'as'),
      Token(Token.IDENTIFIER, 't')],

# Path: format_sql/parser.py
# class Identifier(object):
#     value = attr.ib()
#     alias = attr.ib(default=None)
#     as_ = attr.ib(default=None)
#     sort = attr.ib(default=None)
# 
#     def __str__(self):
#         return '%s' % self.value
# 
# class InvalidCondition(InvalidSQL):
#     pass
# 
# class InvalidIdentifier(InvalidSQL):
#     pass
# 
# class InvalidLimit(InvalidSQL):
#     pass
# 
# class Number(object):
#     value = attr.ib()
#     alias = attr.ib(default=None)
#     as_ = attr.ib(default=None)
#     sort = attr.ib(default=None)
# 
#     def __str__(self):
#         return '%s' % self.value
# 
# def _parse_identifier(toks):
#     count = 0
# 
#     if _match(toks, [(Token.IDENTIFIER, Token.STR, Token.NUMBER)]):
#         if toks[0]._type == Token.IDENTIFIER:
#             cls = Identifier
#         elif toks[0]._type == Token.NUMBER:
#             cls = Number
# 
#         value = cls(toks[0]._value)
#         count += 1
# 
#         alias, j = _parse_alias(toks[count:])
#         count += j
#         value.as_ = alias['as']
#         value.alias = alias['alias']
# 
#         return value, count
# 
#     raise InvalidIdentifier(toks)
# 
# def parse(toks):
#     for statement, unused_count in _parse(toks):
#         yield statement
# 
# Path: format_sql/tokenizer.py
# class Token:
#     AS = 'AS'
#     ASC = 'ASC'
#     COMMA = ','
#     COMPARE = 'compare'
#     DESC = 'DESC'
#     FROM = 'FROM'
#     FUNC = 'func'
#     GROUP_BY = 'GROUP'
#     IDENTIFIER = 'identifier'
#     IN = 'IN'
#     INSERT = 'INSERT'
#     IS = 'IS'
#     ON = 'ON'
#     NULL = 'NULL'
#     HAVING = 'HAVING'
#     JOIN = 'join'
#     LIMIT = 'LIMIT'
#     LINK = 'link'
#     NOT = 'NOT'
#     NUMBER = 'number'
#     ORDER_BY = 'ORDER'
#     PARENTHESIS_CLOSE = ')'
#     PARENTHESIS_OPEN = '('
#     SEMICOLON = ';'
#     SELECT = 'SELECT'
#     STR = 'str'
#     WITH_ROLLUP = 'WITH'
#     WHERE = 'WHERE'
#     VALUES = 'VALUES'
#     BETWEEN = 'BETWEEN'
#     CASE = 'CASE'
#     WHEN = 'WHEN'
#     THEN = 'THEN'
#     ELSE = 'ELSE'
# 
#     def __init__(self, token_type, token_value):
#         self._type = token_type
#         self._value = token_value
# 
#     def __repr__(self):
#         return '<%s: %s>' % (self._type, self._value)
# 
#     @staticmethod
#     def get_token(value):
#         normalized = value.split()[0].upper()
# 
#         if normalized in TOKEN_RES.keys():
#             return normalized
# 
#         normalized = value.split()[-1].upper()
#         if normalized == 'JOIN':
#             return Token.JOIN
# 
#         return None


# Path: tests/test_parser.py
import pytest
from format_sql.parser import (Identifier, InvalidCondition, InvalidIdentifier,
                               InvalidLimit, Number, _parse_identifier, parse)
from format_sql.tokenizer import Token

    assert parsed_statements == statements2


@pytest.mark.parametrize(('tokens', 'exception'), [
    ([Token(Token.LIMIT, '')], InvalidLimit),
    ([Token(Token.WHERE, ''), Token(Token.IDENTIFIER, '')], InvalidCondition),
])
def test_parse_exceptions(tokens, exception):
    with pytest.raises(exception):
        list(parse(tokens))


def test_parse_identifier_with_exception():
    with pytest.raises(InvalidIdentifier):
        _parse_identifier([])


@pytest.mark.parametrize(('tokens', 'expected_value', 'expected_count'), [
    ([Token(Token.IDENTIFIER, 'ident')],
     Identifier('ident'),
     1),
    ([Token(Token.NUMBER, '1')],
     Number('1'),
     1),
    ([Token(Token.IDENTIFIER, 'x'), Token(Token.IDENTIFIER, 't')],
     Identifier('x', alias='t'),
     2),
    ([Token(Token.IDENTIFIER, 'x'),
      Token(Token.AS, 'as'),
      Token(Token.IDENTIFIER, 't')],

     Identifier('x', as_='as', alias='t'),