chrome/browser/download/notification/download_item_notification_unittest.cc

// Copyright 2015 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/download/notification/download_item_notification.h"

#include <stddef.h>
#include <utility>

#include "base/guid.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/test/test_simple_task_runner.h"
#include "base/threading/thread_task_runner_handle.h"
#include "chrome/browser/download/notification/download_notification_manager.h"
#include "chrome/browser/notifications/notification_display_service.h"
#include "chrome/browser/notifications/notification_display_service_factory.h"
#include "chrome/browser/notifications/notification_display_service_tester.h"
#include "chrome/browser/notifications/notification_handler.h"
#include "chrome/browser/notifications/notification_test_util.h"
#include "chrome/browser/notifications/platform_notification_service_impl.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chrome/test/base/testing_profile.h"
#include "chrome/test/base/testing_profile_manager.h"
#include "components/download/public/common/mock_download_item.h"
#include "content/public/browser/download_item_utils.h"
#include "content/public/test/mock_download_manager.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

using testing::NiceMock;
using testing::Return;
using testing::ReturnRefOfCopy;
using testing::_;

namespace {

const base::FilePath::CharType kDownloadItemTargetPathString[] =
    FILE_PATH_LITERAL("/tmp/TITLE.bin");

}  // anonymouse namespace

namespace test {

class DownloadItemNotificationTest : public testing::Test {
 public:
  DownloadItemNotificationTest() : profile_(nullptr) {}

  void SetUp() override {
    testing::Test::SetUp();

    profile_manager_.reset(
        new TestingProfileManager(TestingBrowserProcess::GetGlobal()));
    ASSERT_TRUE(profile_manager_->SetUp());
    profile_ = profile_manager_->CreateTestingProfile("test-user");

    service_tester_ =
        std::make_unique<NotificationDisplayServiceTester>(profile_);

    download_notification_manager_.reset(
        new DownloadNotificationManagerForProfile(profile_, nullptr));

    base::FilePath download_item_target_path(kDownloadItemTargetPathString);
    download_item_.reset(new NiceMock<download::MockDownloadItem>());
    ON_CALL(*download_item_, GetId()).WillByDefault(Return(12345));
    ON_CALL(*download_item_, GetGuid())
        .WillByDefault(ReturnRefOfCopy(base::GenerateGUID()));
    ON_CALL(*download_item_, GetState())
        .WillByDefault(Return(download::DownloadItem::IN_PROGRESS));
    ON_CALL(*download_item_, IsDangerous()).WillByDefault(Return(false));
    ON_CALL(*download_item_, GetFileNameToReportUser())
        .WillByDefault(Return(base::FilePath("TITLE.bin")));
    ON_CALL(*download_item_, GetTargetFilePath())
        .WillByDefault(ReturnRefOfCopy(download_item_target_path));
    ON_CALL(*download_item_, GetDangerType())
        .WillByDefault(Return(download::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS));
    ON_CALL(*download_item_, IsDone()).WillByDefault(Return(false));
    ON_CALL(*download_item_, GetURL()).WillByDefault(ReturnRefOfCopy(
        GURL("http://www.example.com/download.bin")));
    content::DownloadItemUtils::AttachInfo(download_item_.get(), profile_,
                                           nullptr);
  }

  void TearDown() override {
    download_item_notification_ = nullptr;  // will be free'd in the manager.
    download_notification_manager_.reset();
    profile_manager_.reset();
    testing::Test::TearDown();
  }

 protected:
  std::string notification_id() const {
    return download_item_notification_->notification_->id();
  }

  std::unique_ptr<message_center::Notification> LookUpNotification() const {
    std::vector<message_center::Notification> notifications =
        service_tester_->GetDisplayedNotificationsForType(
            NotificationHandler::Type::TRANSIENT);
    for (const auto& notification : notifications) {
      if (notification.id() == download_item_notification_->GetNotificationId())
        return std::make_unique<message_center::Notification>(notification);
    }
    return nullptr;
  }

  size_t NotificationCount() const {
    return service_tester_
        ->GetDisplayedNotificationsForType(NotificationHandler::Type::TRANSIENT)
        .size();
  }

  void RemoveNotification() {
    service_tester_->RemoveNotification(
        NotificationHandler::Type::TRANSIENT,
        download_item_notification_->GetNotificationId(), false);
  }

  void CreateDownloadItemNotification() {
    download_notification_manager_->OnNewDownloadReady(download_item_.get());
    download_item_notification_ =
        download_notification_manager_->items_[download_item_.get()].get();
    NotificationDisplayServiceFactory::GetForProfile(profile_)->Display(
        NotificationHandler::Type::TRANSIENT,
        *download_item_notification_->notification_);
  }

  content::TestBrowserThreadBundle test_browser_thread_bundle_;

  std::unique_ptr<TestingProfileManager> profile_manager_;
  Profile* profile_;

  std::unique_ptr<NiceMock<download::MockDownloadItem>> download_item_;
  std::unique_ptr<DownloadNotificationManagerForProfile>
      download_notification_manager_;
  DownloadItemNotification* download_item_notification_;
  std::unique_ptr<NotificationDisplayServiceTester> service_tester_;
};

TEST_F(DownloadItemNotificationTest, ShowAndCloseNotification) {
  EXPECT_EQ(0u, NotificationCount());

  // Shows a notification
  CreateDownloadItemNotification();
  download_item_->NotifyObserversDownloadOpened();
  EXPECT_EQ(1u, NotificationCount());

  // Makes sure the DownloadItem::Cancel() is not called.
  EXPECT_CALL(*download_item_, Cancel(_)).Times(0);
  // Closes it once.
  RemoveNotification();

  // Confirms that the notification is closed.
  EXPECT_EQ(0u, NotificationCount());

  // Makes sure the DownloadItem::Cancel() is never called.
  EXPECT_CALL(*download_item_, Cancel(_)).Times(0);
}

TEST_F(DownloadItemNotificationTest, PauseAndResumeNotification) {
  // Shows a notification
  CreateDownloadItemNotification();
  download_item_->NotifyObserversDownloadOpened();

  // Confirms that the notification is shown as a popup.
  EXPECT_EQ(1u, NotificationCount());

  // Pauses and makes sure the DownloadItem::Pause() is called.
  EXPECT_CALL(*download_item_, Pause()).Times(1);
  EXPECT_CALL(*download_item_, IsPaused()).WillRepeatedly(Return(true));
  download_item_notification_->Click(0, base::nullopt);
  download_item_->NotifyObserversDownloadUpdated();

  // Resumes and makes sure the DownloadItem::Resume() is called.
  EXPECT_CALL(*download_item_, Resume()).Times(1);
  EXPECT_CALL(*download_item_, IsPaused()).WillRepeatedly(Return(false));
  download_item_notification_->Click(0, base::nullopt);
  download_item_->NotifyObserversDownloadUpdated();
}

TEST_F(DownloadItemNotificationTest, OpenDownload) {
  EXPECT_CALL(*download_item_, GetState())
      .WillRepeatedly(Return(download::DownloadItem::COMPLETE));
  EXPECT_CALL(*download_item_, IsDone()).WillRepeatedly(Return(true));

  // Shows a notification.
  CreateDownloadItemNotification();
  download_item_->NotifyObserversDownloadOpened();
  download_item_->NotifyObserversDownloadUpdated();

  // Clicks and confirms that the OpenDownload() is called.
  EXPECT_CALL(*download_item_, OpenDownload()).Times(1);
  EXPECT_CALL(*download_item_, SetOpenWhenComplete(_)).Times(0);
  download_item_notification_->Click(base::nullopt, base::nullopt);
}

TEST_F(DownloadItemNotificationTest, OpenWhenComplete) {
  // Shows a notification
  CreateDownloadItemNotification();
  download_item_->NotifyObserversDownloadOpened();

  EXPECT_CALL(*download_item_, OpenDownload()).Times(0);

  // Toggles open-when-complete (new value: true).
  EXPECT_CALL(*download_item_, SetOpenWhenComplete(true))
      .Times(1)
      .WillOnce(Return());
  download_item_notification_->Click(base::nullopt, base::nullopt);
  EXPECT_CALL(*download_item_, GetOpenWhenComplete())
      .WillRepeatedly(Return(true));

  // Toggles open-when-complete (new value: false).
  EXPECT_CALL(*download_item_, SetOpenWhenComplete(false))
      .Times(1)
      .WillOnce(Return());
  download_item_notification_->Click(base::nullopt, base::nullopt);
  EXPECT_CALL(*download_item_, GetOpenWhenComplete())
      .WillRepeatedly(Return(false));

  // Sets open-when-complete.
  EXPECT_CALL(*download_item_, SetOpenWhenComplete(true))
      .Times(1)
      .WillOnce(Return());
  download_item_notification_->Click(base::nullopt, base::nullopt);
  EXPECT_CALL(*download_item_, GetOpenWhenComplete())
      .WillRepeatedly(Return(true));

  // Downloading is completed.
  EXPECT_CALL(*download_item_, GetState())
      .WillRepeatedly(Return(download::DownloadItem::COMPLETE));
  EXPECT_CALL(*download_item_, IsDone()).WillRepeatedly(Return(true));
  download_item_->NotifyObserversDownloadUpdated();

  // DownloadItem::OpenDownload must not be called since the file opens
  // automatically due to the open-when-complete flag.
}

TEST_F(DownloadItemNotificationTest, DisablePopup) {
  CreateDownloadItemNotification();
  download_item_->NotifyObserversDownloadOpened();

  EXPECT_EQ(message_center::DEFAULT_PRIORITY, LookUpNotification()->priority());

  download_item_notification_->DisablePopup();
  // Priority is low.
  EXPECT_EQ(message_center::LOW_PRIORITY, LookUpNotification()->priority());

  // Downloading is completed.
  EXPECT_CALL(*download_item_, GetState())
      .WillRepeatedly(Return(download::DownloadItem::COMPLETE));
  EXPECT_CALL(*download_item_, IsDone()).WillRepeatedly(Return(true));
  download_item_->NotifyObserversDownloadUpdated();

  // Priority is increased by the download's completion.
  EXPECT_GT(LookUpNotification()->priority(), message_center::LOW_PRIORITY);
}

}  // namespace test