1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
# 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 libcst import Comment, MetadataWrapper, parse_module
from libcst.codemod import CodemodContext, CodemodTest
from libcst.codemod.visitors import GatherCommentsVisitor
from libcst.testing.utils import UnitTest
class TestGatherCommentsVisitor(UnitTest):
def gather_comments(self, code: str) -> GatherCommentsVisitor:
mod = MetadataWrapper(parse_module(CodemodTest.make_fixture_data(code)))
mod.resolve_many(GatherCommentsVisitor.METADATA_DEPENDENCIES)
instance = GatherCommentsVisitor(
CodemodContext(wrapper=mod), r".*\Wnoqa(\W.*)?$"
)
mod.visit(instance)
return instance
def test_no_comments(self) -> None:
visitor = self.gather_comments(
"""
def foo() -> None:
pass
"""
)
self.assertEqual(visitor.comments, {})
def test_noqa_comments(self) -> None:
visitor = self.gather_comments(
"""
import a.b.c # noqa
import d # somethingelse
# noqa
def foo() -> None:
pass
"""
)
self.assertEqual(visitor.comments.keys(), {1, 4})
self.assertTrue(isinstance(visitor.comments[1], Comment))
self.assertEqual(visitor.comments[1].value, "# noqa")
self.assertTrue(isinstance(visitor.comments[4], Comment))
self.assertEqual(visitor.comments[4].value, "# noqa")
|
