// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/public/test/test_launcher.h"

#include "base/base_paths.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/sys_info.h"
#include "base/test/test_suite.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/content_test_suite_base.h"
#include "content/shell/app/shell_main_delegate.h"
#include "content/shell/browser/shell_content_browser_client.h"
#include "content/shell/common/shell_content_client.h"
#include "content/shell/common/shell_switches.h"
#include "testing/gtest/include/gtest/gtest.h"

#if defined(OS_ANDROID)
#include "base/message_loop/message_loop.h"
#include "content/public/test/nested_message_pump_android.h"
#endif

#if defined(OS_WIN)
#include "content/public/app/startup_helper_win.h"
#include "sandbox/win/src/sandbox_types.h"
#endif  // defined(OS_WIN)

namespace content {

class ContentShellTestSuiteInitializer
    : public testing::EmptyTestEventListener {
 public:
  ContentShellTestSuiteInitializer() {
  }

  virtual void OnTestStart(const testing::TestInfo& test_info) OVERRIDE {
    content_client_.reset(new ShellContentClient);
    browser_content_client_.reset(new ShellContentBrowserClient());
    SetContentClient(content_client_.get());
    SetBrowserClientForTesting(browser_content_client_.get());
  }

  virtual void OnTestEnd(const testing::TestInfo& test_info) OVERRIDE {
#if !defined(OS_ANDROID)
    // On Android, production code doesn't reset ContentClient during shutdown.
    // We try to do the same thing as production. Refer to crbug.com/181069.
    browser_content_client_.reset();
    content_client_.reset();
    SetContentClient(NULL);
#endif
  }

 private:
  scoped_ptr<ShellContentClient> content_client_;
  scoped_ptr<ShellContentBrowserClient> browser_content_client_;

  DISALLOW_COPY_AND_ASSIGN(ContentShellTestSuiteInitializer);
};

#if defined(OS_ANDROID)
base::MessagePump* CreateMessagePumpForUI() {
  return new NestedMessagePumpAndroid();
};
#endif

class ContentBrowserTestSuite : public ContentTestSuiteBase {
 public:
  ContentBrowserTestSuite(int argc, char** argv)
      : ContentTestSuiteBase(argc, argv) {
  }
  virtual ~ContentBrowserTestSuite() {
  }

 protected:
  virtual void Initialize() OVERRIDE {

#if defined(OS_ANDROID)
    // This needs to be done before base::TestSuite::Initialize() is called,
    // as it also tries to set MessagePumpForUIFactory.
    if (!base::MessageLoop::InitMessagePumpForUIFactory(
            &CreateMessagePumpForUI))
      VLOG(0) << "MessagePumpForUIFactory already set, unable to override.";
#endif

    ContentTestSuiteBase::Initialize();

    testing::TestEventListeners& listeners =
      testing::UnitTest::GetInstance()->listeners();
    listeners.Append(new ContentShellTestSuiteInitializer);
  }
  virtual void Shutdown() OVERRIDE {
    base::TestSuite::Shutdown();
  }

  virtual ContentClient* CreateClientForInitialization() OVERRIDE {
    return new ShellContentClient();
  }

  DISALLOW_COPY_AND_ASSIGN(ContentBrowserTestSuite);
};

class ContentTestLauncherDelegate : public TestLauncherDelegate {
 public:
  ContentTestLauncherDelegate() {}
  virtual ~ContentTestLauncherDelegate() {}

  virtual int RunTestSuite(int argc, char** argv) OVERRIDE {
    return ContentBrowserTestSuite(argc, argv).Run();
  }

  virtual bool AdjustChildProcessCommandLine(
      CommandLine* command_line, const base::FilePath& temp_data_dir) OVERRIDE {
    command_line->AppendSwitchPath(switches::kContentShellDataPath,
                                   temp_data_dir);
    command_line->AppendSwitch(switches::kUseFakeDeviceForMediaStream);
    command_line->AppendSwitch(switches::kUseFakeUIForMediaStream);
    return true;
  }

 protected:
  virtual ContentMainDelegate* CreateContentMainDelegate() OVERRIDE {
    return new ShellMainDelegate();
  }

 private:
  DISALLOW_COPY_AND_ASSIGN(ContentTestLauncherDelegate);
};

}  // namespace content

int main(int argc, char** argv) {
  int default_jobs = std::max(1, base::SysInfo::NumberOfProcessors() / 2);
  content::ContentTestLauncherDelegate launcher_delegate;
  return LaunchTests(&launcher_delegate, default_jobs, argc, argv);
}
