chrome/common/service_process_util_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/common/service_process_util.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/bind.h"
   9 #include "base/command_line.h"
  10 #include "base/files/file_path.h"
  11 #include "base/process/kill.h"
  12 #include "base/process/launch.h"
  13 #include "base/strings/string_split.h"
  14
  15 #if !defined(OS_MACOSX)
  16 #include "base/at_exit.h"
  17 #include "base/memory/scoped_ptr.h"
  18 #include "base/strings/string_util.h"
  19 #include "base/strings/utf_string_conversions.h"
  20 #include "base/test/multiprocess_test.h"
  21 #include "base/test/test_timeouts.h"
  22 #include "base/threading/thread.h"
  23 #include "chrome/common/chrome_switches.h"
  24 #include "chrome/common/chrome_version_info.h"
  25 #include "testing/multiprocess_func_list.h"
  26
  27 #if defined(OS_WIN)
  28 #include "base/win/win_util.h"
  29 #endif
  30
  31 #if defined(OS_POSIX)
  32 #include "chrome/common/auto_start_linux.h"
  33 #endif
  34
  35 #if defined(USE_AURA)
  36 // This test fails http://crbug.com/84854, and is very flaky on CrOS and
  37 // somewhat flaky on other Linux.
  38 #define MAYBE_ForceShutdown DISABLED_ForceShutdown
  39 #else
  40 #if defined(OS_LINUX) || defined(OS_WIN)
  41 #define MAYBE_ForceShutdown DISABLED_ForceShutdown
  42 #else
  43 #define MAYBE_ForceShutdown ForceShutdown
  44 #endif
  45 #endif
  46
  47 namespace {
  48
  49 bool g_good_shutdown = false;
  50
  51 void ShutdownTask(base::MessageLoop* loop) {
  52   // Quit the main message loop.
  53   ASSERT_FALSE(g_good_shutdown);
  54   g_good_shutdown = true;
  55   loop->PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
  56 }
  57
  58 }  // namespace
  59
  60 TEST(ServiceProcessUtilTest, ScopedVersionedName) {
  61   std::string test_str = "test";
  62   std::string scoped_name = GetServiceProcessScopedVersionedName(test_str);
  63   chrome::VersionInfo version_info;
  64   EXPECT_TRUE(EndsWith(scoped_name, test_str, true));
  65   EXPECT_NE(std::string::npos, scoped_name.find(version_info.Version()));
  66 }
  67
  68 class ServiceProcessStateTest : public base::MultiProcessTest {
  69  public:
  70   ServiceProcessStateTest();
  71   ~ServiceProcessStateTest() override;
  72   void SetUp() override;
  73   base::MessageLoopProxy* IOMessageLoopProxy() {
  74     return io_thread_.message_loop_proxy().get();
  75   }
  76   void LaunchAndWait(const std::string& name);
  77
  78  private:
  79   // This is used to release the ServiceProcessState singleton after each test.
  80   base::ShadowingAtExitManager at_exit_manager_;
  81   base::Thread io_thread_;
  82 };
  83
  84 ServiceProcessStateTest::ServiceProcessStateTest()
  85     : io_thread_("ServiceProcessStateTestThread") {
  86 }
  87
  88 ServiceProcessStateTest::~ServiceProcessStateTest() {
  89 }
  90
  91 void ServiceProcessStateTest::SetUp() {
  92   base::Thread::Options options(base::MessageLoop::TYPE_IO, 0);
  93   ASSERT_TRUE(io_thread_.StartWithOptions(options));
  94 }
  95
  96 void ServiceProcessStateTest::LaunchAndWait(const std::string& name) {
  97   base::ProcessHandle handle = SpawnChild(name);
  98   ASSERT_TRUE(handle);
  99   int exit_code = 0;
 100   ASSERT_TRUE(base::WaitForExitCode(handle, &exit_code));
 101   ASSERT_EQ(exit_code, 0);
 102 }
 103
 104 TEST_F(ServiceProcessStateTest, Singleton) {
 105   ServiceProcessState state;
 106   ASSERT_TRUE(state.Initialize());
 107   LaunchAndWait("ServiceProcessStateTestSingleton");
 108 }
 109
 110 // http://crbug.com/396390
 111 TEST_F(ServiceProcessStateTest, DISABLED_ReadyState) {
 112   ASSERT_FALSE(CheckServiceProcessReady());
 113   ServiceProcessState state;
 114   ASSERT_TRUE(state.Initialize());
 115   ASSERT_TRUE(state.SignalReady(IOMessageLoopProxy(), base::Closure()));
 116   LaunchAndWait("ServiceProcessStateTestReadyTrue");
 117   state.SignalStopped();
 118   LaunchAndWait("ServiceProcessStateTestReadyFalse");
 119 }
 120
 121 TEST_F(ServiceProcessStateTest, AutoRun) {
 122   ServiceProcessState state;
 123   ASSERT_TRUE(state.AddToAutoRun());
 124   scoped_ptr<CommandLine> autorun_command_line;
 125 #if defined(OS_WIN)
 126   std::string value_name = GetServiceProcessScopedName("_service_run");
 127   base::string16 value;
 128   EXPECT_TRUE(base::win::ReadCommandFromAutoRun(HKEY_CURRENT_USER,
 129                                                 base::UTF8ToWide(value_name),
 130                                                 &value));
 131   autorun_command_line.reset(new CommandLine(CommandLine::FromString(value)));
 132 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
 133 #if defined(GOOGLE_CHROME_BUILD)
 134   std::string base_desktop_name = "google-chrome-service.desktop";
 135 #else  // CHROMIUM_BUILD
 136   std::string base_desktop_name = "chromium-service.desktop";
 137 #endif
 138   std::string exec_value;
 139   EXPECT_TRUE(AutoStart::GetAutostartFileValue(
 140       GetServiceProcessScopedName(base_desktop_name), "Exec", &exec_value));
 141
 142   // Make sure |exec_value| doesn't contain strings a shell would
 143   // treat specially.
 144   ASSERT_EQ(std::string::npos, exec_value.find('#'));
 145   ASSERT_EQ(std::string::npos, exec_value.find('\n'));
 146   ASSERT_EQ(std::string::npos, exec_value.find('"'));
 147   ASSERT_EQ(std::string::npos, exec_value.find('\''));
 148
 149   CommandLine::StringVector argv;
 150   base::SplitString(exec_value, ' ', &argv);
 151   ASSERT_GE(argv.size(), 2U)
 152       << "Expected at least one command-line option in: " << exec_value;
 153   autorun_command_line.reset(new CommandLine(argv));
 154 #endif  // defined(OS_WIN)
 155   if (autorun_command_line.get()) {
 156     EXPECT_EQ(autorun_command_line->GetSwitchValueASCII(switches::kProcessType),
 157               std::string(switches::kServiceProcess));
 158   }
 159   ASSERT_TRUE(state.RemoveFromAutoRun());
 160 #if defined(OS_WIN)
 161   EXPECT_FALSE(base::win::ReadCommandFromAutoRun(HKEY_CURRENT_USER,
 162                                                  base::UTF8ToWide(value_name),
 163                                                  &value));
 164 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
 165   EXPECT_FALSE(AutoStart::GetAutostartFileValue(
 166       GetServiceProcessScopedName(base_desktop_name), "Exec", &exec_value));
 167 #endif  // defined(OS_WIN)
 168 }
 169
 170 // http://crbug.com/396390
 171 TEST_F(ServiceProcessStateTest, DISABLED_SharedMem) {
 172   std::string version;
 173   base::ProcessId pid;
 174 #if defined(OS_WIN)
 175   // On Posix, named shared memory uses a file on disk. This file
 176   // could be lying around from previous crashes which could cause
 177   // GetServiceProcessPid to lie. On Windows, we use a named event so we
 178   // don't have this issue. Until we have a more stable shared memory
 179   // implementation on Posix, this check will only execute on Windows.
 180   ASSERT_FALSE(GetServiceProcessData(&version, &pid));
 181 #endif  // defined(OS_WIN)
 182   ServiceProcessState state;
 183   ASSERT_TRUE(state.Initialize());
 184   ASSERT_TRUE(GetServiceProcessData(&version, &pid));
 185   ASSERT_EQ(base::GetCurrentProcId(), pid);
 186 }
 187
 188 TEST_F(ServiceProcessStateTest, MAYBE_ForceShutdown) {
 189   base::ProcessHandle handle = SpawnChild("ServiceProcessStateTestShutdown");
 190   ASSERT_TRUE(handle);
 191   for (int i = 0; !CheckServiceProcessReady() && i < 10; ++i) {
 192     base::PlatformThread::Sleep(TestTimeouts::tiny_timeout());
 193   }
 194   ASSERT_TRUE(CheckServiceProcessReady());
 195   std::string version;
 196   base::ProcessId pid;
 197   ASSERT_TRUE(GetServiceProcessData(&version, &pid));
 198   ASSERT_TRUE(ForceServiceProcessShutdown(version, pid));
 199   int exit_code = 0;
 200   ASSERT_TRUE(base::WaitForExitCodeWithTimeout(handle,
 201       &exit_code, TestTimeouts::action_max_timeout()));
 202   base::CloseProcessHandle(handle);
 203   ASSERT_EQ(exit_code, 0);
 204 }
 205
 206 MULTIPROCESS_TEST_MAIN(ServiceProcessStateTestSingleton) {
 207   ServiceProcessState state;
 208   EXPECT_FALSE(state.Initialize());
 209   return 0;
 210 }
 211
 212 MULTIPROCESS_TEST_MAIN(ServiceProcessStateTestReadyTrue) {
 213   EXPECT_TRUE(CheckServiceProcessReady());
 214   return 0;
 215 }
 216
 217 MULTIPROCESS_TEST_MAIN(ServiceProcessStateTestReadyFalse) {
 218   EXPECT_FALSE(CheckServiceProcessReady());
 219   return 0;
 220 }
 221
 222 MULTIPROCESS_TEST_MAIN(ServiceProcessStateTestShutdown) {
 223   base::MessageLoop message_loop;
 224   message_loop.set_thread_name("ServiceProcessStateTestShutdownMainThread");
 225   base::Thread io_thread_("ServiceProcessStateTestShutdownIOThread");
 226   base::Thread::Options options(base::MessageLoop::TYPE_IO, 0);
 227   EXPECT_TRUE(io_thread_.StartWithOptions(options));
 228   ServiceProcessState state;
 229   EXPECT_TRUE(state.Initialize());
 230   EXPECT_TRUE(state.SignalReady(
 231       io_thread_.message_loop_proxy().get(),
 232       base::Bind(&ShutdownTask, base::MessageLoop::current())));
 233   message_loop.PostDelayedTask(FROM_HERE,
 234                                base::MessageLoop::QuitClosure(),
 235                                TestTimeouts::action_max_timeout());
 236   EXPECT_FALSE(g_good_shutdown);
 237   message_loop.Run();
 238   EXPECT_TRUE(g_good_shutdown);
 239   return 0;
 240 }
 241
 242 #else  // !OS_MACOSX
 243
 244 #include <CoreFoundation/CoreFoundation.h>
 245
 246 #include "base/files/file_path.h"
 247 #include "base/files/file_util.h"
 248 #include "base/files/scoped_temp_dir.h"
 249 #include "base/mac/mac_util.h"
 250 #include "base/test/test_timeouts.h"
 251 #include "base/threading/thread.h"
 252 #include "chrome/common/mac/launchd.h"
 253 #include "chrome/common/mac/mock_launchd.h"
 254 #include "testing/gtest/include/gtest/gtest.h"
 255
 256 class ServiceProcessStateFileManipulationTest : public ::testing::Test {
 257  protected:
 258   ServiceProcessStateFileManipulationTest()
 259       : io_thread_("ServiceProcessStateFileManipulationTest_IO") {
 260   }
 261   virtual ~ServiceProcessStateFileManipulationTest() { }
 262
 263   virtual void SetUp() {
 264     base::Thread::Options options;
 265     options.message_loop_type = base::MessageLoop::TYPE_IO;
 266     ASSERT_TRUE(io_thread_.StartWithOptions(options));
 267     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 268     ASSERT_TRUE(MockLaunchd::MakeABundle(GetTempDirPath(),
 269                                          "Test",
 270                                          &bundle_path_,
 271                                          &executable_path_));
 272     mock_launchd_.reset(new MockLaunchd(executable_path_, &loop_,
 273                                         false, false));
 274     scoped_launchd_instance_.reset(
 275         new Launchd::ScopedInstance(mock_launchd_.get()));
 276     ASSERT_TRUE(service_process_state_.Initialize());
 277     ASSERT_TRUE(service_process_state_.SignalReady(
 278         io_thread_.message_loop_proxy().get(), base::Closure()));
 279     loop_.PostDelayedTask(FROM_HERE,
 280                           base::MessageLoop::QuitClosure(),
 281                           TestTimeouts::action_max_timeout());
 282   }
 283
 284   const MockLaunchd* mock_launchd() const { return mock_launchd_.get(); }
 285   const base::FilePath& executable_path() const { return executable_path_; }
 286   const base::FilePath& bundle_path() const { return bundle_path_; }
 287   const base::FilePath& GetTempDirPath() const { return temp_dir_.path(); }
 288
 289   base::MessageLoopProxy* GetIOMessageLoopProxy() {
 290     return io_thread_.message_loop_proxy().get();
 291   }
 292   void Run() { loop_.Run(); }
 293
 294  private:
 295   base::ScopedTempDir temp_dir_;
 296   base::MessageLoopForUI loop_;
 297   base::Thread io_thread_;
 298   base::FilePath executable_path_, bundle_path_;
 299   scoped_ptr<MockLaunchd> mock_launchd_;
 300   scoped_ptr<Launchd::ScopedInstance> scoped_launchd_instance_;
 301   ServiceProcessState service_process_state_;
 302 };
 303
 304 void DeleteFunc(const base::FilePath& file) {
 305   EXPECT_TRUE(base::DeleteFile(file, true));
 306 }
 307
 308 void MoveFunc(const base::FilePath& from, const base::FilePath& to) {
 309   EXPECT_TRUE(base::Move(from, to));
 310 }
 311
 312 void ChangeAttr(const base::FilePath& from, int mode) {
 313   EXPECT_EQ(chmod(from.value().c_str(), mode), 0);
 314 }
 315
 316 class ScopedAttributesRestorer {
 317  public:
 318   ScopedAttributesRestorer(const base::FilePath& path, int mode)
 319       : path_(path), mode_(mode) {
 320   }
 321   ~ScopedAttributesRestorer() {
 322     ChangeAttr(path_, mode_);
 323   }
 324  private:
 325   base::FilePath path_;
 326   int mode_;
 327 };
 328
 329 void TrashFunc(const base::FilePath& src) {
 330   FSRef path_ref;
 331   FSRef new_path_ref;
 332   EXPECT_TRUE(base::mac::FSRefFromPath(src.value(), &path_ref));
 333   OSStatus status = FSMoveObjectToTrashSync(&path_ref,
 334                                             &new_path_ref,
 335                                             kFSFileOperationDefaultOptions);
 336   EXPECT_EQ(status, noErr) << "FSMoveObjectToTrashSync " << status;
 337 }
 338
 339 TEST_F(ServiceProcessStateFileManipulationTest, VerifyLaunchD) {
 340   // There have been problems where launchd has gotten into a bad state, usually
 341   // because something had deleted all the files in /tmp. launchd depends on
 342   // a Unix Domain Socket that it creates at /tmp/launchd*/sock.
 343   // The symptom of this problem is that the service process connect fails
 344   // on Mac and "launch_msg(): Socket is not connected" appears.
 345   // This test is designed to make sure that launchd is working.
 346   // http://crbug/75518
 347   // Note: This particular problem no longer affects launchd in 10.10+, since
 348   // there is no user owned launchd process and sockets are no longer made at
 349   // /tmp/launchd*/sock. This test is still useful as a sanity check to make
 350   // sure that launchd appears to be working.
 351
 352   CommandLine cl(base::FilePath("/bin/launchctl"));
 353   cl.AppendArg("limit");
 354
 355   std::string output;
 356   int exit_code = -1;
 357   ASSERT_TRUE(base::GetAppOutputWithExitCode(cl, &output, &exit_code)
 358               && exit_code == 0)
 359       << " exit_code:" << exit_code << " " << output;
 360 }
 361
 362 TEST_F(ServiceProcessStateFileManipulationTest, DeleteFile) {
 363   GetIOMessageLoopProxy()->PostTask(
 364       FROM_HERE,
 365       base::Bind(&DeleteFunc, executable_path()));
 366   Run();
 367   ASSERT_TRUE(mock_launchd()->remove_called());
 368   ASSERT_TRUE(mock_launchd()->delete_called());
 369 }
 370
 371 TEST_F(ServiceProcessStateFileManipulationTest, DeleteBundle) {
 372   GetIOMessageLoopProxy()->PostTask(
 373       FROM_HERE,
 374       base::Bind(&DeleteFunc, bundle_path()));
 375   Run();
 376   ASSERT_TRUE(mock_launchd()->remove_called());
 377   ASSERT_TRUE(mock_launchd()->delete_called());
 378 }
 379
 380 TEST_F(ServiceProcessStateFileManipulationTest, MoveBundle) {
 381   base::FilePath new_loc = GetTempDirPath().AppendASCII("MoveBundle");
 382   GetIOMessageLoopProxy()->PostTask(
 383       FROM_HERE,
 384       base::Bind(&MoveFunc, bundle_path(), new_loc));
 385   Run();
 386   ASSERT_TRUE(mock_launchd()->restart_called());
 387   ASSERT_TRUE(mock_launchd()->write_called());
 388 }
 389
 390 TEST_F(ServiceProcessStateFileManipulationTest, MoveFile) {
 391   base::FilePath new_loc = GetTempDirPath().AppendASCII("MoveFile");
 392   GetIOMessageLoopProxy()->PostTask(
 393       FROM_HERE,
 394       base::Bind(&MoveFunc, executable_path(), new_loc));
 395   Run();
 396   ASSERT_TRUE(mock_launchd()->remove_called());
 397   ASSERT_TRUE(mock_launchd()->delete_called());
 398 }
 399
 400 TEST_F(ServiceProcessStateFileManipulationTest, TrashBundle) {
 401   FSRef bundle_ref;
 402   ASSERT_TRUE(base::mac::FSRefFromPath(bundle_path().value(), &bundle_ref));
 403   GetIOMessageLoopProxy()->PostTask(
 404       FROM_HERE,
 405       base::Bind(&TrashFunc, bundle_path()));
 406   Run();
 407   ASSERT_TRUE(mock_launchd()->remove_called());
 408   ASSERT_TRUE(mock_launchd()->delete_called());
 409   std::string path(base::mac::PathFromFSRef(bundle_ref));
 410   base::FilePath file_path(path);
 411   ASSERT_TRUE(base::DeleteFile(file_path, true));
 412 }
 413
 414 TEST_F(ServiceProcessStateFileManipulationTest, ChangeAttr) {
 415   ScopedAttributesRestorer restorer(bundle_path(), 0777);
 416   GetIOMessageLoopProxy()->PostTask(
 417       FROM_HERE,
 418       base::Bind(&ChangeAttr, bundle_path(), 0222));
 419   Run();
 420   ASSERT_TRUE(mock_launchd()->remove_called());
 421   ASSERT_TRUE(mock_launchd()->delete_called());
 422 }
 423
 424 #endif  // !OS_MACOSX