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/*
* Copyright (C) 2021 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 <sysexits.h>
#include <chrono>
#include <android-base/result-gmock.h>
#include <android-base/strings.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "../UtilsHost.h"
using android::base::testing::Ok;
using testing::Optional;
namespace android {
TEST(UtilsHost, ExecuteImmediately) {
auto result = execute({"echo", "foo"}, nullptr);
ASSERT_THAT(result, Ok());
EXPECT_THAT(result->exitCode, Optional(EX_OK));
EXPECT_EQ(result->stdoutStr, "foo\n");
}
template <typename T>
auto millisSince(std::chrono::time_point<T> now) {
auto elapsed = std::chrono::system_clock::now() - now;
return std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count();
}
TEST(UtilsHost, ExecuteLongRunning) {
auto start = std::chrono::system_clock::now();
{
std::vector<std::string>
args{"sh", "-c", "sleep 0.5 && echo -n f && sleep 0.5 && echo oo && sleep 100"};
auto result = execute(std::move(args), [&](const CommandResult& commandResult) {
std::cout << millisSince(start)
<< "ms: GOT PARTIAL COMMAND RESULT:" << commandResult.stdoutStr << std::endl;
return android::base::EndsWith(commandResult.stdoutStr, "\n");
});
auto elapsedMs = millisSince(start);
EXPECT_GE(elapsedMs, 1000);
EXPECT_LT(elapsedMs, 2000);
ASSERT_THAT(result, Ok());
EXPECT_EQ(std::nullopt, result->exitCode);
EXPECT_EQ(result->stdoutStr, "foo\n");
}
// ~CommandResult() called, child process is killed.
// Assert that the second sleep does not finish.
EXPECT_LT(millisSince(start), 2000);
}
TEST(UtilsHost, ExecuteLongRunning2) {
auto start = std::chrono::system_clock::now();
{
std::vector<std::string> args{"sh", "-c",
"sleep 2 && echo -n f && sleep 2 && echo oo && sleep 100"};
auto result = execute(std::move(args), [&](const CommandResult& commandResult) {
std::cout << millisSince(start)
<< "ms: GOT PARTIAL COMMAND RESULT:" << commandResult.stdoutStr << std::endl;
return android::base::EndsWith(commandResult.stdoutStr, "\n");
});
auto elapsedMs = millisSince(start);
EXPECT_GE(elapsedMs, 4000);
EXPECT_LT(elapsedMs, 6000);
ASSERT_THAT(result, Ok());
EXPECT_EQ(std::nullopt, result->exitCode);
EXPECT_EQ(result->stdoutStr, "foo\n");
}
// ~CommandResult() called, child process is killed.
// Assert that the second sleep does not finish.
EXPECT_LT(millisSince(start), 6000);
}
TEST(UtilsHost, KillWithSigKill) {
std::vector<std::string> args{"sh", "-c", "echo foo && sleep 10"};
auto result = execute(std::move(args), [](const CommandResult& commandResult) {
// FOR TEST PURPOSE ONLY. DON'T DO THIS!
if (commandResult.pid.has_value()) {
(void)kill(*commandResult.pid, SIGKILL);
}
// FOR TEST PURPOSE ONLY. DON'T DO THIS!
return false;
});
ASSERT_THAT(result, Ok());
EXPECT_EQ(std::nullopt, result->exitCode);
EXPECT_THAT(result->signal, Optional(SIGKILL));
}
} // namespace android
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