src/chrome/browser/service_process/service_process_control_browsertest.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/browser/service_process/service_process_control.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/command_line.h"
  10 #include "base/path_service.h"
  11 #include "base/process/kill.h"
  12 #include "base/process/process_handle.h"
  13 #include "base/process/process_iterator.h"
  14 #include "base/test/test_timeouts.h"
  15 #include "chrome/browser/ui/browser.h"
  16 #include "chrome/common/chrome_constants.h"
  17 #include "chrome/common/chrome_version_info.h"
  18 #include "chrome/common/service_process_util.h"
  19 #include "chrome/test/base/in_process_browser_test.h"
  20 #include "content/public/common/content_paths.h"
  21 #include "content/public/common/content_switches.h"
  22 #include "content/public/test/test_utils.h"
  23 #include "testing/gmock/include/gmock/gmock.h"
  24
  25 class ServiceProcessControlBrowserTest
  26     : public InProcessBrowserTest {
  27  public:
  28   ServiceProcessControlBrowserTest()
  29       : service_process_handle_(base::kNullProcessHandle) {
  30   }
  31   virtual ~ServiceProcessControlBrowserTest() {
  32     base::CloseProcessHandle(service_process_handle_);
  33     service_process_handle_ = base::kNullProcessHandle;
  34   }
  35
  36   void HistogramsCallback() {
  37     MockHistogramsCallback();
  38     QuitMessageLoop();
  39   }
  40
  41   MOCK_METHOD0(MockHistogramsCallback, void());
  42
  43  protected:
  44   void LaunchServiceProcessControl() {
  45     // Launch the process asynchronously.
  46     ServiceProcessControl::GetInstance()->Launch(
  47         base::Bind(&ServiceProcessControlBrowserTest::ProcessControlLaunched,
  48                    this),
  49         base::Bind(
  50             &ServiceProcessControlBrowserTest::ProcessControlLaunchFailed,
  51             this));
  52
  53     // Then run the message loop to keep things running.
  54     content::RunMessageLoop();
  55   }
  56
  57   static void QuitMessageLoop() {
  58     base::MessageLoop::current()->Quit();
  59   }
  60
  61   static void CloudPrintInfoCallback(
  62       const cloud_print::CloudPrintProxyInfo& proxy_info) {
  63     QuitMessageLoop();
  64   }
  65
  66   void Disconnect() {
  67     // This will close the IPC connection.
  68     ServiceProcessControl::GetInstance()->Disconnect();
  69   }
  70
  71   virtual void SetUp() override {
  72     service_process_handle_ = base::kNullProcessHandle;
  73   }
  74
  75   virtual void TearDown() override {
  76     if (ServiceProcessControl::GetInstance()->IsConnected())
  77       EXPECT_TRUE(ServiceProcessControl::GetInstance()->Shutdown());
  78 #if defined(OS_MACOSX)
  79     // ForceServiceProcessShutdown removes the process from launched on Mac.
  80     ForceServiceProcessShutdown("", 0);
  81 #endif  // OS_MACOSX
  82     if (service_process_handle_ != base::kNullProcessHandle) {
  83       EXPECT_TRUE(base::WaitForSingleProcess(
  84           service_process_handle_,
  85           TestTimeouts::action_max_timeout()));
  86       service_process_handle_ = base::kNullProcessHandle;
  87     }
  88   }
  89
  90   void ProcessControlLaunched() {
  91     base::ProcessId service_pid;
  92     EXPECT_TRUE(GetServiceProcessData(NULL, &service_pid));
  93     EXPECT_NE(static_cast<base::ProcessId>(0), service_pid);
  94     EXPECT_TRUE(base::OpenProcessHandleWithAccess(
  95         service_pid,
  96         base::kProcessAccessWaitForTermination |
  97         // we need query permission to get exit code
  98         base::kProcessAccessQueryInformation,
  99         &service_process_handle_));
 100     // Quit the current message. Post a QuitTask instead of just calling Quit()
 101     // because this can get invoked in the context of a Launch() call and we
 102     // may not be in Run() yet.
 103     base::MessageLoop::current()->PostTask(FROM_HERE,
 104                                            base::MessageLoop::QuitClosure());
 105   }
 106
 107   void ProcessControlLaunchFailed() {
 108     ADD_FAILURE();
 109     // Quit the current message.
 110     base::MessageLoop::current()->PostTask(FROM_HERE,
 111                                            base::MessageLoop::QuitClosure());
 112   }
 113
 114  private:
 115   base::ProcessHandle service_process_handle_;
 116 };
 117
 118 class RealServiceProcessControlBrowserTest
 119       : public ServiceProcessControlBrowserTest {
 120  public:
 121   void SetUpCommandLine(CommandLine* command_line) override {
 122     ServiceProcessControlBrowserTest::SetUpCommandLine(command_line);
 123     base::FilePath exe;
 124     PathService::Get(base::DIR_EXE, &exe);
 125 #if defined(OS_MACOSX)
 126     exe = exe.DirName().DirName().DirName();
 127 #endif
 128     exe = exe.Append(chrome::kHelperProcessExecutablePath);
 129     // Run chrome instead of browser_tests.exe.
 130     EXPECT_TRUE(base::PathExists(exe));
 131     command_line->AppendSwitchPath(switches::kBrowserSubprocessPath, exe);
 132   }
 133 };
 134
 135 // TODO(vitalybuka): Fix crbug.com/340563
 136 IN_PROC_BROWSER_TEST_F(RealServiceProcessControlBrowserTest,
 137                        DISABLED_LaunchAndIPC) {
 138   LaunchServiceProcessControl();
 139
 140   // Make sure we are connected to the service process.
 141   ASSERT_TRUE(ServiceProcessControl::GetInstance()->IsConnected());
 142   ServiceProcessControl::GetInstance()->GetCloudPrintProxyInfo(
 143         base::Bind(&ServiceProcessControlBrowserTest::CloudPrintInfoCallback));
 144   content::RunMessageLoop();
 145
 146   // And then shutdown the service process.
 147   EXPECT_TRUE(ServiceProcessControl::GetInstance()->Shutdown());
 148 }
 149
 150 IN_PROC_BROWSER_TEST_F(ServiceProcessControlBrowserTest, LaunchAndIPC) {
 151   LaunchServiceProcessControl();
 152
 153   // Make sure we are connected to the service process.
 154   ASSERT_TRUE(ServiceProcessControl::GetInstance()->IsConnected());
 155   ServiceProcessControl::GetInstance()->GetCloudPrintProxyInfo(
 156         base::Bind(&ServiceProcessControlBrowserTest::CloudPrintInfoCallback));
 157   content::RunMessageLoop();
 158
 159   // And then shutdown the service process.
 160   EXPECT_TRUE(ServiceProcessControl::GetInstance()->Shutdown());
 161 }
 162
 163 // This tests the case when a service process is launched when the browser
 164 // starts but we try to launch it again while setting up Cloud Print.
 165 IN_PROC_BROWSER_TEST_F(ServiceProcessControlBrowserTest, LaunchTwice) {
 166   // Launch the service process the first time.
 167   LaunchServiceProcessControl();
 168
 169   // Make sure we are connected to the service process.
 170   ASSERT_TRUE(ServiceProcessControl::GetInstance()->IsConnected());
 171   EXPECT_TRUE(ServiceProcessControl::GetInstance()->GetCloudPrintProxyInfo(
 172         base::Bind(&ServiceProcessControlBrowserTest::CloudPrintInfoCallback)));
 173   content::RunMessageLoop();
 174
 175   // Launch the service process again.
 176   LaunchServiceProcessControl();
 177   ASSERT_TRUE(ServiceProcessControl::GetInstance()->IsConnected());
 178   EXPECT_TRUE(ServiceProcessControl::GetInstance()->GetCloudPrintProxyInfo(
 179         base::Bind(&ServiceProcessControlBrowserTest::CloudPrintInfoCallback)));
 180   content::RunMessageLoop();
 181 }
 182
 183 static void DecrementUntilZero(int* count) {
 184   (*count)--;
 185   if (!(*count))
 186     base::MessageLoop::current()->PostTask(FROM_HERE,
 187                                            base::MessageLoop::QuitClosure());
 188 }
 189
 190 // Invoke multiple Launch calls in succession and ensure that all the tasks
 191 // get invoked.
 192 IN_PROC_BROWSER_TEST_F(ServiceProcessControlBrowserTest,
 193                        MultipleLaunchTasks) {
 194   ServiceProcessControl* process = ServiceProcessControl::GetInstance();
 195   int launch_count = 5;
 196   for (int i = 0; i < launch_count; i++) {
 197     // Launch the process asynchronously.
 198     process->Launch(base::Bind(&DecrementUntilZero, &launch_count),
 199                     base::MessageLoop::QuitClosure());
 200   }
 201   // Then run the message loop to keep things running.
 202   content::RunMessageLoop();
 203   EXPECT_EQ(0, launch_count);
 204 }
 205
 206 // Make sure using the same task for success and failure tasks works.
 207 IN_PROC_BROWSER_TEST_F(ServiceProcessControlBrowserTest, SameLaunchTask) {
 208   ServiceProcessControl* process = ServiceProcessControl::GetInstance();
 209   int launch_count = 5;
 210   for (int i = 0; i < launch_count; i++) {
 211     // Launch the process asynchronously.
 212     base::Closure task = base::Bind(&DecrementUntilZero, &launch_count);
 213     process->Launch(task, task);
 214   }
 215   // Then run the message loop to keep things running.
 216   content::RunMessageLoop();
 217   EXPECT_EQ(0, launch_count);
 218 }
 219
 220 // Tests whether disconnecting from the service IPC causes the service process
 221 // to die.
 222 IN_PROC_BROWSER_TEST_F(ServiceProcessControlBrowserTest, DieOnDisconnect) {
 223   // Launch the service process.
 224   LaunchServiceProcessControl();
 225   // Make sure we are connected to the service process.
 226   ASSERT_TRUE(ServiceProcessControl::GetInstance()->IsConnected());
 227   Disconnect();
 228 }
 229
 230 IN_PROC_BROWSER_TEST_F(ServiceProcessControlBrowserTest, ForceShutdown) {
 231   // Launch the service process.
 232   LaunchServiceProcessControl();
 233   // Make sure we are connected to the service process.
 234   ASSERT_TRUE(ServiceProcessControl::GetInstance()->IsConnected());
 235   base::ProcessId service_pid;
 236   EXPECT_TRUE(GetServiceProcessData(NULL, &service_pid));
 237   EXPECT_NE(static_cast<base::ProcessId>(0), service_pid);
 238   chrome::VersionInfo version_info;
 239   ForceServiceProcessShutdown(version_info.Version(), service_pid);
 240 }
 241
 242 IN_PROC_BROWSER_TEST_F(ServiceProcessControlBrowserTest, CheckPid) {
 243   base::ProcessId service_pid;
 244   EXPECT_FALSE(GetServiceProcessData(NULL, &service_pid));
 245   // Launch the service process.
 246   LaunchServiceProcessControl();
 247   EXPECT_TRUE(GetServiceProcessData(NULL, &service_pid));
 248   EXPECT_NE(static_cast<base::ProcessId>(0), service_pid);
 249   // Disconnect from service process.
 250   Disconnect();
 251 }
 252
 253 IN_PROC_BROWSER_TEST_F(ServiceProcessControlBrowserTest, HistogramsNoService) {
 254   ASSERT_FALSE(ServiceProcessControl::GetInstance()->IsConnected());
 255   EXPECT_CALL(*this, MockHistogramsCallback()).Times(0);
 256   EXPECT_FALSE(ServiceProcessControl::GetInstance()->GetHistograms(
 257       base::Bind(&ServiceProcessControlBrowserTest::HistogramsCallback,
 258                  base::Unretained(this)),
 259       base::TimeDelta()));
 260 }
 261
 262 IN_PROC_BROWSER_TEST_F(ServiceProcessControlBrowserTest, HistogramsTimeout) {
 263   LaunchServiceProcessControl();
 264   ASSERT_TRUE(ServiceProcessControl::GetInstance()->IsConnected());
 265   // Callback should not be called during GetHistograms call.
 266   EXPECT_CALL(*this, MockHistogramsCallback()).Times(0);
 267   EXPECT_TRUE(ServiceProcessControl::GetInstance()->GetHistograms(
 268       base::Bind(&ServiceProcessControlBrowserTest::HistogramsCallback,
 269                  base::Unretained(this)),
 270       base::TimeDelta::FromMilliseconds(100)));
 271   EXPECT_CALL(*this, MockHistogramsCallback()).Times(1);
 272   EXPECT_TRUE(ServiceProcessControl::GetInstance()->Shutdown());
 273   content::RunMessageLoop();
 274 }
 275
 276 IN_PROC_BROWSER_TEST_F(ServiceProcessControlBrowserTest, Histograms) {
 277   LaunchServiceProcessControl();
 278   ASSERT_TRUE(ServiceProcessControl::GetInstance()->IsConnected());
 279   // Callback should not be called during GetHistograms call.
 280   EXPECT_CALL(*this, MockHistogramsCallback()).Times(0);
 281   // Wait for real callback by providing large timeout value.
 282   EXPECT_TRUE(ServiceProcessControl::GetInstance()->GetHistograms(
 283       base::Bind(&ServiceProcessControlBrowserTest::HistogramsCallback,
 284                 base::Unretained(this)),
 285       base::TimeDelta::FromHours(1)));
 286   EXPECT_CALL(*this, MockHistogramsCallback()).Times(1);
 287   content::RunMessageLoop();
 288 }