def test_parser_parse(patch, parser):
"""
Ensures the build method can build the grammar
"""
patch.many(Parser, ['lark', 'transformer'])
result = parser.parse('source')
Parser.lark().parse.assert_called_with('source\n')
Parser.transformer().transform.assert_called_with(Parser.lark().parse())
assert result == Parser.transformer().transform()
def parser(magic, patch):
patch.init(Parser)
parser = Parser()
parser.algo = "lalr"
parser.ebnf = None
parser.lark = magic()
return parser
def test_parser_parser_unexpected_token(capsys, patch, magic, parser):
patch.init(StoryError)
patch.object(StoryError, 'message')
patch.many(Parser, ['lark', 'transformer'])
Parser.lark().parse.side_effect = UnexpectedToken(magic(), 'exp', 0, 1)
with raises(SystemExit):
parser.parse('source', debug=False)
out, err = capsys.readouterr()
assert out == '{}\n'.format(StoryError.message())
def test_parser_parser_unexpected_token_debug(patch, magic, parser):
patch.many(Parser, ['lark', 'transformer'])
Parser.lark().parse.side_effect = UnexpectedToken(magic(), 'exp', 0, 1)
with raises(UnexpectedToken):
parser.parse('source', debug=True)
def test_parser_lex(patch, parser):
patch.many(Parser, ['lark', 'indenter'])
result = parser.lex('source')
Parser.lark().lex.assert_called_with('source')
assert result == Parser.lark().lex()
def test_parser_parser_unexpected_input_debug(patch, magic, parser):
patch.many(Parser, ['lark', 'transformer'])
Parser.lark().parse.side_effect = UnexpectedInput(magic(), 0, 0, 0)
with raises(UnexpectedInput):
parser.parse('source', debug=True)
