// Copyright 2013 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 "chrome/browser/ui/sync/sync_promo_ui.h"

#include "base/basictypes.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/signin/fake_signin_manager.h"
#include "chrome/browser/signin/signin_manager_factory.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/test/base/testing_profile.h"
#include "testing/gtest/include/gtest/gtest.h"

class SyncPromoUITest : public testing::Test {
 public:
  SyncPromoUITest() {}

  // testing::Test:
  virtual void SetUp() OVERRIDE {
    testing::Test::SetUp();
    profile_.reset(new TestingProfile());
  }

 protected:
  void CreateSigninManager(const std::string& username) {
    FakeSigninManagerForTesting* signin_manager =
        static_cast<FakeSigninManagerForTesting*>(
            SigninManagerFactory::GetInstance()->SetTestingFactoryAndUse(
                profile_.get(),
                &FakeSigninManagerBase::Build));

    if (!username.empty()) {
      ASSERT_TRUE(signin_manager);
      signin_manager->SetAuthenticatedUsername(username);
    }
  }

  void DisableSync() {
    CommandLine::ForCurrentProcess()->AppendSwitch(switches::kDisableSync);
  }

  scoped_ptr<TestingProfile> profile_;

 private:
  DISALLOW_COPY_AND_ASSIGN(SyncPromoUITest);
};

// Verifies that ShouldShowSyncPromo returns false if sync is disabled by
// policy.
TEST_F(SyncPromoUITest, ShouldShowSyncPromoSyncDisabled) {
  CreateSigninManager("");
  DisableSync();
  EXPECT_FALSE(SyncPromoUI::ShouldShowSyncPromo(profile_.get()));
}

// Verifies that ShouldShowSyncPromo returns true if all conditions to
// show the promo are met.
TEST_F(SyncPromoUITest, ShouldShowSyncPromoSyncEnabled) {
  CreateSigninManager("");
#if defined(OS_CHROMEOS)
  // No sync promo on CrOS.
  EXPECT_FALSE(SyncPromoUI::ShouldShowSyncPromo(profile_.get()));
#else
  EXPECT_TRUE(SyncPromoUI::ShouldShowSyncPromo(profile_.get()));
#endif
}