xref: /aosp_15_r20/build/bazel/rules/cc/cc_info_subject.bzl (revision 7594170e27e0732bc44b93d1440d87a54b6ffe7c) 
1# Copyright (C) 2023 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a cocc of the License at
6#
7#   http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15"""CcInfo testing subject."""
16
17load("@rules_testing//lib:truth.bzl", "subjects")
18
19def cc_info_subject(info, *, meta):
20    """Creates a new `CcInfoSubject` for a CcInfo provider instance.
21
22    Method: CcInfoSubject.new
23
24    Args:
25        info: The CcInfo object
26        meta: ExpectMeta object.
27
28    Returns:
29        A `CcInfoSubject` struct
30    """
31
32    # buildifier: disable=uninitialized
33    public = struct(
34        # go/keep-sorted start
35        headers = lambda *a, **k: _cc_info_subject_headers(self, *a, **k),
36        includes = lambda *a, **k: _cc_info_subject_includes(self, *a, **k),
37        system_includes = lambda *a, **k: _cc_info_subject_system_includes(self, *a, **k),
38        # go/keep-sorted end
39    )
40    self = struct(
41        actual = info,
42        meta = meta,
43    )
44    return public
45
46def _cc_info_subject_includes(self):
47    """Returns a `CollectionSubject` for the `includes` attribute.
48
49    Method: CcInfoSubject.includes
50    """
51    return subjects.collection(
52        self.actual.compilation_context.includes,
53        meta = self.meta.derive("includes()"),
54    )
55
56def _cc_info_subject_system_includes(self):
57    """Returns a `CollectionSubject` for the `system_includes` attribute.
58
59    Method: CcInfoSubject.system_includes
60    """
61    return subjects.collection(
62        self.actual.compilation_context.system_includes,
63        meta = self.meta.derive("system_includes()"),
64    )
65
66def _cc_info_subject_headers(self):
67    """Returns a `CollectionSubject` for the `headers` attribute.
68
69    Method: CcInfoSubject.headers
70    """
71    return subjects.depset_file(
72        self.actual.compilation_context.headers,
73        meta = self.meta.derive("headers()"),
74    )
75