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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/strings.h>
#include <gtest/gtest.h>
#include <filesystem>
#include <memory>
#include <ApexProperties.sysprop.h>
#include "apex_constants.h"
#include "apex_shim.h"
#include "apexd_utils.h"
#include "string_log.h"
namespace android {
namespace apex {
TEST(FlattenedApexTest, SysPropIsFalse) {
bool value = android::sysprop::ApexProperties::updatable().value_or(false);
ASSERT_FALSE(value);
}
TEST(FlattenedApexTest, ApexFilesAreFlattened) {
namespace fs = std::filesystem;
auto assert_is_dir = [&](const fs::directory_entry& entry) {
if (entry.path().filename() == shim::kSystemShimApexName) {
return;
}
std::error_code ec;
bool is_dir = entry.is_directory(ec);
ASSERT_FALSE(ec) << ec.message();
ASSERT_TRUE(is_dir) << entry.path() << " is not a directory";
};
WalkDir(kApexPackageSystemDir, assert_is_dir);
}
TEST(FlattenedApexTest, MountsAreCorrect) {
using android::base::ReadFileToString;
using android::base::Split;
std::string mounts;
ASSERT_TRUE(ReadFileToString("/proc/self/mountinfo", &mounts));
bool has_apex_mount = false;
for (const auto& mount : Split(mounts, "\n")) {
const std::vector<std::string>& tokens = Split(mount, " ");
// line format:
// mnt_id parent_mnt_id major:minor source target option propagation_type
if (tokens.size() < 7) {
continue;
}
const std::string& source = tokens[3];
const std::string& target = tokens[4];
if (source == kApexPackageSystemDir && target == "/apex") {
has_apex_mount = true;
}
}
ASSERT_TRUE(has_apex_mount) << "Failed to find apex mount point";
}
TEST(FlattenedApexTest, ApexdIsNotRunning) {
constexpr const char* kCmd = "pidof -s apexd";
std::unique_ptr<FILE, int (*)(FILE*)> pipe(popen(kCmd, "r"), pclose);
ASSERT_NE(nullptr, pipe) << "Failed to open pipe for: " << kCmd;
char buf[1024];
if (fgets(buf, 1024, pipe.get()) != nullptr) {
FAIL() << "apexd is running and has pid " << buf;
}
}
} // namespace apex
} // namespace android
int main(int argc, char** argv) {
android::base::InitLogging(argv, &android::base::StderrLogger);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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