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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.
import libcst as cst
from libcst._nodes.tests.base import CSTNodeTest, DummyIndentedBlock
from libcst.testing.utils import data_provider
class EmptyLineTest(CSTNodeTest):
@data_provider(
(
(cst.EmptyLine(), "\n"),
(cst.EmptyLine(whitespace=cst.SimpleWhitespace(" ")), " \n"),
(cst.EmptyLine(comment=cst.Comment("# comment")), "# comment\n"),
(cst.EmptyLine(newline=cst.Newline("\r\n")), "\r\n"),
(DummyIndentedBlock(" ", cst.EmptyLine()), " \n"),
(DummyIndentedBlock(" ", cst.EmptyLine(indent=False)), "\n"),
(
DummyIndentedBlock(
"\t",
cst.EmptyLine(
whitespace=cst.SimpleWhitespace(" "),
comment=cst.Comment("# comment"),
newline=cst.Newline("\r\n"),
),
),
"\t # comment\r\n",
),
)
)
def test_valid(self, node: cst.CSTNode, code: str) -> None:
self.validate_node(node, code)
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