Nan Zhou | 042b5ba | 2021-06-18 09:32:45 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: Apache-2.0 |
| 2 | // Copyright (C) 2021 Google |
| 3 | |
| 4 | #include "buffer_service.hpp" |
| 5 | #include "config.hpp" |
| 6 | #include "dbus_loop_mock.hpp" |
| 7 | #include "file_storage_mock.hpp" |
| 8 | #include "host_console_mock.hpp" |
| 9 | #include "log_buffer_mock.hpp" |
| 10 | |
| 11 | #include <memory> |
| 12 | #include <string> |
| 13 | #include <system_error> |
| 14 | |
| 15 | #include <gmock/gmock.h> |
| 16 | #include <gtest/gtest.h> |
| 17 | |
| 18 | namespace |
| 19 | { |
| 20 | |
| 21 | constexpr char firstDatagram[] = "Hello world"; |
| 22 | // Shouldn't read more than maximum size of a datagram. |
| 23 | constexpr int consoleReadMaxSize = 1024; |
| 24 | |
| 25 | using ::testing::_; |
| 26 | using ::testing::DoAll; |
| 27 | using ::testing::Eq; |
| 28 | using ::testing::InSequence; |
| 29 | using ::testing::Le; |
| 30 | using ::testing::Ref; |
| 31 | using ::testing::Return; |
| 32 | using ::testing::SetArrayArgument; |
| 33 | using ::testing::StrEq; |
| 34 | using ::testing::Test; |
| 35 | using ::testing::Throw; |
| 36 | |
| 37 | // A helper class that owns config. |
| 38 | struct ConfigInTest |
| 39 | { |
| 40 | Config config; |
Patrick Williams | b675272 | 2023-05-10 07:50:26 -0500 | [diff] [blame^] | 41 | ConfigInTest() : config() {} |
Nan Zhou | 042b5ba | 2021-06-18 09:32:45 -0700 | [diff] [blame] | 42 | }; |
| 43 | |
| 44 | class BufferServiceTest : public Test, public ConfigInTest, public BufferService |
| 45 | { |
| 46 | public: |
| 47 | // ConfigInTest::config is initialized before BufferService. |
| 48 | BufferServiceTest() : |
| 49 | BufferService(ConfigInTest::config, dbusLoopMock, hostConsoleMock, |
| 50 | logBufferMock, fileStorageMock) |
| 51 | {} |
| 52 | |
| 53 | MOCK_METHOD(void, flush, (), (override)); |
| 54 | MOCK_METHOD(void, readConsole, (), (override)); |
| 55 | |
| 56 | protected: |
| 57 | // Set hostConsole firstly read specified data and then read nothing. |
Patrick Williams | b675272 | 2023-05-10 07:50:26 -0500 | [diff] [blame^] | 58 | void setHostConsoleOnce(const char* data, size_t len) |
Nan Zhou | 042b5ba | 2021-06-18 09:32:45 -0700 | [diff] [blame] | 59 | { |
| 60 | EXPECT_CALL(hostConsoleMock, read(_, Le(consoleReadMaxSize))) |
| 61 | .WillOnce(DoAll(SetArrayArgument<0>(data, data + len), Return(len))) |
| 62 | .WillOnce(Return(0)); |
| 63 | } |
| 64 | |
| 65 | DbusLoopMock dbusLoopMock; |
| 66 | HostConsoleMock hostConsoleMock; |
| 67 | LogBufferMock logBufferMock; |
| 68 | FileStorageMock fileStorageMock; |
| 69 | }; |
| 70 | |
| 71 | TEST_F(BufferServiceTest, FlushEmptyBuffer) |
| 72 | { |
| 73 | EXPECT_CALL(logBufferMock, empty()).WillOnce(Return(true)); |
| 74 | EXPECT_NO_THROW(BufferService::flush()); |
| 75 | } |
| 76 | |
| 77 | TEST_F(BufferServiceTest, FlushExceptionCaught) |
| 78 | { |
| 79 | InSequence sequence; |
| 80 | EXPECT_CALL(logBufferMock, empty()).WillOnce(Return(false)); |
| 81 | EXPECT_CALL(fileStorageMock, save(Ref(logBufferMock))) |
| 82 | .WillOnce(Throw(std::runtime_error("Mock error"))); |
| 83 | EXPECT_NO_THROW(BufferService::flush()); |
| 84 | } |
| 85 | |
| 86 | TEST_F(BufferServiceTest, FlushOk) |
| 87 | { |
| 88 | InSequence sequence; |
| 89 | EXPECT_CALL(logBufferMock, empty()).WillOnce(Return(false)); |
| 90 | EXPECT_CALL(fileStorageMock, save(Ref(logBufferMock))); |
| 91 | EXPECT_CALL(logBufferMock, clear()); |
| 92 | EXPECT_NO_THROW(BufferService::flush()); |
| 93 | } |
| 94 | |
| 95 | TEST_F(BufferServiceTest, ReadConsoleExceptionCaught) |
| 96 | { |
| 97 | InSequence sequence; |
| 98 | // Shouldn't read more than maximum size of a datagram. |
| 99 | EXPECT_CALL(hostConsoleMock, read(_, Le(1024))) |
| 100 | .WillOnce(Throw(std::system_error(std::error_code(), "Mock error"))); |
| 101 | EXPECT_NO_THROW(BufferService::readConsole()); |
| 102 | } |
| 103 | |
| 104 | TEST_F(BufferServiceTest, ReadConsoleOk) |
| 105 | { |
Nan Zhou | 042b5ba | 2021-06-18 09:32:45 -0700 | [diff] [blame] | 106 | setHostConsoleOnce(firstDatagram, strlen(firstDatagram)); |
| 107 | EXPECT_CALL(logBufferMock, |
| 108 | append(StrEq(firstDatagram), Eq(strlen(firstDatagram)))) |
| 109 | .WillOnce(Return()); |
| 110 | EXPECT_NO_THROW(BufferService::readConsole()); |
| 111 | } |
| 112 | |
| 113 | TEST_F(BufferServiceTest, RunIoRegisterError) |
| 114 | { |
| 115 | EXPECT_CALL(hostConsoleMock, connect()).WillOnce(Return()); |
| 116 | EXPECT_CALL(dbusLoopMock, addSignalHandler(Eq(SIGUSR1), _)) |
| 117 | .WillOnce(Return()); |
| 118 | EXPECT_CALL(dbusLoopMock, addSignalHandler(Eq(SIGTERM), _)) |
| 119 | .WillOnce(Return()); |
| 120 | EXPECT_CALL(dbusLoopMock, addIoHandler(Eq(int(hostConsoleMock)), _)) |
| 121 | .WillOnce(Throw(std::runtime_error("Mock error"))); |
| 122 | EXPECT_THROW(run(), std::runtime_error); |
| 123 | } |
| 124 | |
| 125 | TEST_F(BufferServiceTest, RunSignalRegisterError) |
| 126 | { |
| 127 | EXPECT_CALL(hostConsoleMock, connect()).WillOnce(Return()); |
| 128 | EXPECT_CALL(dbusLoopMock, addSignalHandler(Eq(SIGUSR1), _)) |
| 129 | .WillOnce(Throw(std::runtime_error("Mock error"))); |
| 130 | EXPECT_THROW(run(), std::runtime_error); |
| 131 | } |
| 132 | |
| 133 | TEST_F(BufferServiceTest, RunOk) |
| 134 | { |
| 135 | ConfigInTest::config.bufFlushFull = true; |
| 136 | EXPECT_CALL(hostConsoleMock, connect()).WillOnce(Return()); |
| 137 | EXPECT_CALL(dbusLoopMock, addIoHandler(Eq(int(hostConsoleMock)), _)) |
| 138 | .WillOnce(Return()); |
| 139 | EXPECT_CALL(dbusLoopMock, addSignalHandler(Eq(SIGTERM), _)) |
| 140 | .WillOnce(Return()); |
| 141 | EXPECT_CALL(logBufferMock, setFullHandler(_)).WillOnce(Return()); |
| 142 | EXPECT_CALL(dbusLoopMock, addSignalHandler(Eq(SIGUSR1), _)) |
| 143 | .WillOnce(Return()); |
| 144 | EXPECT_CALL(dbusLoopMock, |
| 145 | addPropertyHandler(StrEq(ConfigInTest::config.hostState), _, _)) |
| 146 | .WillOnce(Return()); |
| 147 | EXPECT_CALL(dbusLoopMock, run).WillOnce(Return(0)); |
| 148 | EXPECT_CALL(logBufferMock, empty()).WillOnce(Return(false)); |
| 149 | EXPECT_CALL(*this, flush()).WillOnce(Return()); |
| 150 | EXPECT_NO_THROW(run()); |
| 151 | } |
| 152 | } // namespace |