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# Copyright (c) Meta Platforms, Inc. and affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
from typing import Any
import libcst as cst
from libcst import parse_expression
from libcst._nodes.tests.base import CSTNodeTest
from libcst.metadata import CodeRange
from libcst.testing.utils import data_provider
class BooleanOperationTest(CSTNodeTest):
@data_provider(
(
# Simple boolean operations
{
"node": cst.BooleanOperation(
cst.Name("foo"), cst.And(), cst.Name("bar")
),
"code": "foo and bar",
"parser": parse_expression,
"expected_position": None,
},
{
"node": cst.BooleanOperation(
cst.Name("foo"), cst.Or(), cst.Name("bar")
),
"code": "foo or bar",
"parser": parse_expression,
"expected_position": None,
},
# Parenthesized boolean operation
{
"node": cst.BooleanOperation(
lpar=(cst.LeftParen(),),
left=cst.Name("foo"),
operator=cst.Or(),
right=cst.Name("bar"),
rpar=(cst.RightParen(),),
),
"code": "(foo or bar)",
"parser": parse_expression,
"expected_position": None,
},
{
"node": cst.BooleanOperation(
left=cst.Name(
"foo", lpar=(cst.LeftParen(),), rpar=(cst.RightParen(),)
),
operator=cst.Or(
whitespace_before=cst.SimpleWhitespace(""),
whitespace_after=cst.SimpleWhitespace(""),
),
right=cst.Name(
"bar", lpar=(cst.LeftParen(),), rpar=(cst.RightParen(),)
),
),
"code": "(foo)or(bar)",
"parser": parse_expression,
"expected_position": CodeRange((1, 0), (1, 12)),
},
# Make sure that spacing works
{
"node": cst.BooleanOperation(
lpar=(cst.LeftParen(whitespace_after=cst.SimpleWhitespace(" ")),),
left=cst.Name("foo"),
operator=cst.And(
whitespace_before=cst.SimpleWhitespace(" "),
whitespace_after=cst.SimpleWhitespace(" "),
),
right=cst.Name("bar"),
rpar=(cst.RightParen(whitespace_before=cst.SimpleWhitespace(" ")),),
),
"code": "( foo and bar )",
"parser": parse_expression,
"expected_position": None,
},
)
)
def test_valid(self, **kwargs: Any) -> None:
self.validate_node(**kwargs)
@data_provider(
(
{
"get_node": lambda: cst.BooleanOperation(
cst.Name("foo"), cst.And(), cst.Name("bar"), lpar=(cst.LeftParen(),)
),
"expected_re": "left paren without right paren",
},
{
"get_node": lambda: cst.BooleanOperation(
cst.Name("foo"),
cst.And(),
cst.Name("bar"),
rpar=(cst.RightParen(),),
),
"expected_re": "right paren without left paren",
},
{
"get_node": lambda: cst.BooleanOperation(
left=cst.Name("foo"),
operator=cst.Or(
whitespace_before=cst.SimpleWhitespace(""),
whitespace_after=cst.SimpleWhitespace(""),
),
right=cst.Name("bar"),
),
"expected_re": "at least one space around boolean operator",
},
)
)
def test_invalid(self, **kwargs: Any) -> None:
self.assert_invalid(**kwargs)
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