mirror of
https://github.com/davidhalter/parso.git
synced 2025-12-08 05:34:51 +08:00
54 lines
1.0 KiB
Python
54 lines
1.0 KiB
Python
import pytest
|
|
|
|
from parso import load_grammar, ParserSyntaxError
|
|
|
|
|
|
@pytest.fixture
|
|
def grammar():
|
|
return load_grammar(language="python-f-string")
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
'code', [
|
|
'{1}',
|
|
'',
|
|
'{1!a}',
|
|
'{1!a:1}',
|
|
'{1:1}',
|
|
'{1:1.{32}}',
|
|
'{1::>4}',
|
|
'{foo} {bar}',
|
|
|
|
# Invalid, but will be checked, later.
|
|
'{}',
|
|
'{1:}',
|
|
'{:}',
|
|
'{:1}',
|
|
'{!:}',
|
|
'{!}',
|
|
'{!a}',
|
|
'{1:{}}',
|
|
'{1:{:}}',
|
|
]
|
|
)
|
|
def test_valid(code, grammar):
|
|
fstring = grammar.parse(code, error_recovery=False)
|
|
assert fstring.type == 'fstring'
|
|
assert fstring.get_code() == code
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
'code', [
|
|
'}',
|
|
'{',
|
|
'{1!{a}}',
|
|
'{!{a}}',
|
|
]
|
|
)
|
|
def test_invalid(code, grammar):
|
|
with pytest.raises(ParserSyntaxError):
|
|
grammar.parse(code, error_recovery=False)
|
|
|
|
# It should work with error recovery.
|
|
grammar.parse(code, error_recovery=True)
|