usse/funda-scraper/venv/lib/python3.10/site-packages/mypyc/test/test_emitwrapper.py

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2023-02-20 22:38:24 +00:00
import unittest
from typing import List
from mypy.test.helpers import assert_string_arrays_equal
from mypyc.codegen.emit import Emitter, EmitterContext, ReturnHandler
from mypyc.codegen.emitwrapper import generate_arg_check
from mypyc.ir.rtypes import list_rprimitive, int_rprimitive
from mypyc.namegen import NameGenerator
class TestArgCheck(unittest.TestCase):
def setUp(self) -> None:
self.context = EmitterContext(NameGenerator([['mod']]))
def test_check_list(self) -> None:
emitter = Emitter(self.context)
generate_arg_check('x', list_rprimitive, emitter, ReturnHandler('NULL'))
lines = emitter.fragments
self.assert_lines([
'PyObject *arg_x;',
'if (likely(PyList_Check(obj_x)))',
' arg_x = obj_x;',
'else {',
' CPy_TypeError("list", obj_x);',
' return NULL;',
'}',
], lines)
def test_check_int(self) -> None:
emitter = Emitter(self.context)
generate_arg_check('x', int_rprimitive, emitter, ReturnHandler('NULL'))
generate_arg_check('y', int_rprimitive, emitter, ReturnHandler('NULL'), optional=True)
lines = emitter.fragments
self.assert_lines([
'CPyTagged arg_x;',
'if (likely(PyLong_Check(obj_x)))',
' arg_x = CPyTagged_BorrowFromObject(obj_x);',
'else {',
' CPy_TypeError("int", obj_x); return NULL;',
'}',
'CPyTagged arg_y;',
'if (obj_y == NULL) {',
' arg_y = CPY_INT_TAG;',
'} else if (likely(PyLong_Check(obj_y)))',
' arg_y = CPyTagged_BorrowFromObject(obj_y);',
'else {',
' CPy_TypeError("int", obj_y); return NULL;',
'}',
], lines)
def assert_lines(self, expected: List[str], actual: List[str]) -> None:
actual = [line.rstrip('\n') for line in actual]
assert_string_arrays_equal(expected, actual, 'Invalid output')