1 /*
2 * Copyright (C) 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <string>
18 #include <utility>
19 #include <functional>
20 #include <vector>
21
22 #include <flag_checker.h>
23 #include <gtest/gtest.h>
24 #include <android-base/strings.h>
25 #include <android-base/stringprintf.h>
26 #include <android-base/properties.h>
27
28 #define SYSTEM_PROPERTY_PREFIX "persist.device_config."
29
30 namespace android::test::flag {
31
GetFlagsNotMetRequirements(const std::vector<std::pair<bool,std::vector<p_flag>>> flag_conditions)32 std::vector<std::pair<bool, std::string>> GetFlagsNotMetRequirements(
33 const std::vector<std::pair<bool, std::vector<p_flag>>> flag_conditions) {
34 std::vector<std::pair<bool, std::string>> unsatisfied_flags;
35 for (const std::pair<bool, std::vector<p_flag>> flag_condition : flag_conditions) {
36 bool expected_condition = flag_condition.first;
37 for (const p_flag feature_flag : flag_condition.second) {
38 if (!CheckFlagCondition(expected_condition, feature_flag)) {
39 // Records the feature flag if it doesn't meet the expected condition.
40 unsatisfied_flags.push_back({expected_condition, feature_flag.second});
41 }
42 }
43 }
44 return unsatisfied_flags;
45 }
46
CheckFlagCondition(bool expected_condition,const p_flag feature_flag)47 bool CheckFlagCondition(bool expected_condition, const p_flag feature_flag) {
48 // Checks the aconfig flag.
49 if (feature_flag.first) {
50 return feature_flag.first() == expected_condition;
51 }
52 // Checks the legacy flag.
53 std::vector<std::string> flag_args = android::base::Split(feature_flag.second, ",");
54 if (flag_args.size() != 3) {
55 return false;
56 }
57 std::string package_name = android::base::StringReplace(flag_args[1], "::", ".", true);
58 std::string full_flag_name = android::base::StringPrintf(
59 "%s.%s.%s",
60 android::base::Trim(flag_args[0]).c_str(),
61 android::base::Trim(package_name).c_str(),
62 android::base::Trim(flag_args[2]).c_str()
63 );
64 return android::base::GetProperty(SYSTEM_PROPERTY_PREFIX + full_flag_name, "") ==
65 (expected_condition ? "true":"false");
66 }
67
68 } // namespace android::test::flag