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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 "firmware_handler.h"
#include <stdlib.h>
#include <iostream>
#include <android-base/file.h>
#include <gtest/gtest.h>
#include "uevent.h"
using android::base::GetExecutablePath;
using namespace std::literals;
namespace android {
namespace init {
void FirmwareTestWithExternalHandler(const std::string& test_name, bool expect_new_firmware) {
auto test_path = GetExecutablePath() + " firmware " + test_name;
auto external_firmware_handler = ExternalFirmwareHandler(
"/devices/led/firmware/test_firmware001.bin", getuid(), test_path);
auto firmware_handler = FirmwareHandler({"/test"}, {external_firmware_handler});
auto uevent = Uevent{
.path = "/devices/led/firmware/test_firmware001.bin",
.firmware = "test_firmware001.bin",
};
if (expect_new_firmware) {
EXPECT_EQ("other_firmware001.bin", firmware_handler.GetFirmwarePath(uevent));
} else {
EXPECT_EQ("test_firmware001.bin", firmware_handler.GetFirmwarePath(uevent));
}
// Always test the base case that the handler isn't invoked if the devpath doesn't match.
auto uevent_different_path = Uevent{
.path = "/devices/led/not/mine",
.firmware = "test_firmware001.bin",
};
EXPECT_EQ("test_firmware001.bin", firmware_handler.GetFirmwarePath(uevent_different_path));
}
TEST(firmware_handler, HandleChange) {
FirmwareTestWithExternalHandler("HandleChange", true);
}
int HandleChange(int argc, char** argv) {
// Assert that the environment is set up correctly.
if (getenv("DEVPATH") != "/devices/led/firmware/test_firmware001.bin"s) {
std::cerr << "$DEVPATH not set correctly" << std::endl;
return EXIT_FAILURE;
}
if (getenv("FIRMWARE") != "test_firmware001.bin"s) {
std::cerr << "$FIRMWARE not set correctly" << std::endl;
return EXIT_FAILURE;
}
std::cout << "other_firmware001.bin" << std::endl;
return 0;
}
TEST(firmware_handler, HandleAbort) {
FirmwareTestWithExternalHandler("HandleAbort", false);
}
int HandleAbort(int argc, char** argv) {
abort();
return 0;
}
TEST(firmware_handler, HandleFailure) {
FirmwareTestWithExternalHandler("HandleFailure", false);
}
int HandleFailure(int argc, char** argv) {
std::cerr << "Failed" << std::endl;
return EXIT_FAILURE;
}
TEST(firmware_handler, HandleBadPath) {
FirmwareTestWithExternalHandler("HandleBadPath", false);
}
int HandleBadPath(int argc, char** argv) {
std::cout << "../firmware.bin";
return 0;
}
} // namespace init
} // namespace android
// init_test.cpp contains the main entry point for all init tests.
int FirmwareTestChildMain(int argc, char** argv) {
if (argc < 3) {
return 1;
}
#define RunTest(testname) \
if (argv[2] == std::string(#testname)) { \
return android::init::testname(argc, argv); \
}
RunTest(HandleChange);
RunTest(HandleAbort);
RunTest(HandleFailure);
RunTest(HandleBadPath);
#undef RunTest
return 1;
}
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