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#------------------------------------------------------------------------------
# Copyright (c) 2020-2024, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file LICENSE, distributed with this software.
#------------------------------------------------------------------------------
import sys
import ast
from textwrap import dedent
import pytest
from enaml.core.parser import parse
from .test_parser import validate_ast
TEST_SOURCE = {
'yield': r"""
def f():
yield
""",
'yield a': r"""
def f():
yield a
""",
'yield a, (b, c)': r"""
def f():
yield a, (b, c)
""",
'yield from a': r"""
def f():
yield from a
"""
}
TEST_SOURCE_38 = {
'yield a, *b': r"""
def f():
yield a, *b
"""
}
@pytest.mark.parametrize('desc',
list(TEST_SOURCE) + list(TEST_SOURCE_38) if sys.version_info >= (3, 8) else []
)
def test_return_stmt(desc):
"""Test that we produce valid ast use of the := walrus operator.
"""
src = dedent(TEST_SOURCE.get(desc, TEST_SOURCE_38.get(desc))).strip()
print(src)
# Ensure it's valid
py_ast = ast.parse(src)
enaml_ast = parse(src).body[0].ast
validate_ast(py_ast.body[0], enaml_ast.body[0], True)
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