Yifan Hong | af766e6 | 2021-06-14 13:24:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2021 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 <sysexits.h> |
| 18 | |
| 19 | #include <chrono> |
| 20 | |
| 21 | #include <android-base/result-gmock.h> |
| 22 | #include <android-base/strings.h> |
| 23 | #include <gmock/gmock.h> |
| 24 | #include <gtest/gtest.h> |
| 25 | |
| 26 | #include "../UtilsHost.h" |
| 27 | |
| 28 | using android::base::testing::Ok; |
| 29 | using testing::Optional; |
| 30 | |
| 31 | namespace android { |
| 32 | |
| 33 | TEST(UtilsHost, ExecuteImmediately) { |
| 34 | auto result = execute({"echo", "foo"}, nullptr); |
| 35 | ASSERT_THAT(result, Ok()); |
| 36 | EXPECT_THAT(result->exitCode, Optional(EX_OK)); |
| 37 | EXPECT_EQ(result->stdout, "foo\n"); |
| 38 | } |
| 39 | |
| 40 | TEST(UtilsHost, ExecuteLongRunning) { |
| 41 | auto now = std::chrono::system_clock::now(); |
| 42 | |
| 43 | { |
| 44 | std::vector<std::string> args{"sh", "-c", |
| 45 | "sleep 0.5 && echo -n f && sleep 0.5 && echo oo && sleep 1"}; |
| 46 | auto result = execute(std::move(args), [](const CommandResult& commandResult) { |
| 47 | return android::base::EndsWith(commandResult.stdout, "\n"); |
| 48 | }); |
| 49 | auto elapsed = std::chrono::system_clock::now() - now; |
| 50 | auto elapsedMs = std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count(); |
| 51 | EXPECT_GE(elapsedMs, 1000); |
| 52 | EXPECT_LT(elapsedMs, 2000); |
| 53 | |
| 54 | ASSERT_THAT(result, Ok()); |
| 55 | EXPECT_EQ(std::nullopt, result->exitCode); |
| 56 | EXPECT_EQ(result->stdout, "foo\n"); |
| 57 | } |
| 58 | |
| 59 | // ~CommandResult() called, child process is killed. |
| 60 | // Assert that the second sleep does not finish. |
| 61 | auto elapsed = std::chrono::system_clock::now() - now; |
| 62 | auto elapsedMs = std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count(); |
| 63 | EXPECT_LT(elapsedMs, 2000); |
| 64 | } |
| 65 | |
| 66 | TEST(UtilsHost, ExecuteLongRunning2) { |
| 67 | auto now = std::chrono::system_clock::now(); |
| 68 | |
| 69 | { |
| 70 | std::vector<std::string> args{"sh", "-c", |
| 71 | "sleep 2 && echo -n f && sleep 2 && echo oo && sleep 2"}; |
| 72 | auto result = execute(std::move(args), [](const CommandResult& commandResult) { |
| 73 | return android::base::EndsWith(commandResult.stdout, "\n"); |
| 74 | }); |
| 75 | auto elapsed = std::chrono::system_clock::now() - now; |
| 76 | auto elapsedMs = std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count(); |
| 77 | EXPECT_GE(elapsedMs, 4000); |
| 78 | EXPECT_LT(elapsedMs, 6000); |
| 79 | |
| 80 | ASSERT_THAT(result, Ok()); |
| 81 | EXPECT_EQ(std::nullopt, result->exitCode); |
| 82 | EXPECT_EQ(result->stdout, "foo\n"); |
| 83 | } |
| 84 | |
| 85 | // ~CommandResult() called, child process is killed. |
| 86 | // Assert that the second sleep does not finish. |
| 87 | auto elapsed = std::chrono::system_clock::now() - now; |
| 88 | auto elapsedMs = std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count(); |
| 89 | EXPECT_LT(elapsedMs, 6000); |
| 90 | } |
| 91 | |
| 92 | TEST(UtilsHost, KillWithSigKill) { |
| 93 | std::vector<std::string> args{"sh", "-c", "echo foo && sleep 10"}; |
| 94 | auto result = execute(std::move(args), [](const CommandResult& commandResult) { |
| 95 | // FOR TEST PURPOSE ONLY. DON'T DO THIS! |
| 96 | if (commandResult.pid.has_value()) { |
| 97 | (void)kill(*commandResult.pid, SIGKILL); |
| 98 | } |
| 99 | // FOR TEST PURPOSE ONLY. DON'T DO THIS! |
| 100 | return false; |
| 101 | }); |
| 102 | |
| 103 | ASSERT_THAT(result, Ok()); |
| 104 | EXPECT_EQ(std::nullopt, result->exitCode); |
| 105 | EXPECT_THAT(result->signal, Optional(SIGKILL)); |
| 106 | } |
| 107 | |
| 108 | } // namespace android |