// 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 "base/bind.h"
#include "base/bind_helpers.h"
#include "base/file_util.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/browsing_data/browsing_data_database_helper.h"
#include "chrome/browser/browsing_data/browsing_data_helper_browsertest.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/test/test_browser_thread.h"

using content::BrowserContext;
using content::BrowserThread;

namespace {
typedef BrowsingDataHelperCallback<BrowsingDataDatabaseHelper::DatabaseInfo>
    TestCompletionCallback;

const char kTestIdentifier1[] = "http_www.google.com_0";

const char kTestIdentifierExtension[] =
  "chrome-extension_behllobkkfkfnphdnhnkndlbkcpglgmj_0";

class BrowsingDataDatabaseHelperTest : public InProcessBrowserTest {
 public:
  virtual void CreateDatabases() {
    webkit_database::DatabaseTracker* db_tracker =
        BrowserContext::GetDefaultStoragePartition(browser()->profile())->
            GetDatabaseTracker();
    base::string16 db_name = base::ASCIIToUTF16("db");
    base::string16 description = base::ASCIIToUTF16("db_description");
    int64 size;
    db_tracker->DatabaseOpened(kTestIdentifier1, db_name, description,
                               1, &size);
    db_tracker->DatabaseClosed(kTestIdentifier1, db_name);
    base::FilePath db_path1 =
        db_tracker->GetFullDBFilePath(kTestIdentifier1, db_name);
    base::CreateDirectory(db_path1.DirName());
    ASSERT_EQ(0, base::WriteFile(db_path1, NULL, 0));
    db_tracker->DatabaseOpened(kTestIdentifierExtension, db_name, description,
                               1, &size);
    db_tracker->DatabaseClosed(kTestIdentifierExtension, db_name);
    base::FilePath db_path2 =
        db_tracker->GetFullDBFilePath(kTestIdentifierExtension, db_name);
    base::CreateDirectory(db_path2.DirName());
    ASSERT_EQ(0, base::WriteFile(db_path2, NULL, 0));
    std::vector<webkit_database::OriginInfo> origins;
    db_tracker->GetAllOriginsInfo(&origins);
    ASSERT_EQ(2U, origins.size());
  }
};

// Called back by BrowsingDataDatabaseHelper on the UI thread once the database
// information has been retrieved.
class StopTestOnCallback {
 public:
  explicit StopTestOnCallback(
      BrowsingDataDatabaseHelper* database_helper)
      : database_helper_(database_helper) {
    DCHECK(database_helper_);
  }

  void Callback(const std::list<BrowsingDataDatabaseHelper::DatabaseInfo>&
                database_info_list) {
    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
    ASSERT_EQ(1UL, database_info_list.size());
    EXPECT_EQ(std::string(kTestIdentifier1),
              database_info_list.begin()->identifier.ToString());
    base::MessageLoop::current()->Quit();
  }

 private:
  BrowsingDataDatabaseHelper* database_helper_;
};

// Flaky on Win/Mac/Linux: http://crbug.com/92460
IN_PROC_BROWSER_TEST_F(BrowsingDataDatabaseHelperTest, DISABLED_FetchData) {
  CreateDatabases();
  scoped_refptr<BrowsingDataDatabaseHelper> database_helper(
      new BrowsingDataDatabaseHelper(browser()->profile()));
  StopTestOnCallback stop_test_on_callback(database_helper.get());
  database_helper->StartFetching(base::Bind(
      &StopTestOnCallback::Callback, base::Unretained(&stop_test_on_callback)));
  // Blocks until StopTestOnCallback::Callback is notified.
  content::RunMessageLoop();
}

IN_PROC_BROWSER_TEST_F(BrowsingDataDatabaseHelperTest, CannedAddDatabase) {
  const GURL origin1("http://host1:1/");
  const GURL origin2("http://host2:1/");
  const char origin_str1[] = "http_host1_1";
  const char origin_str2[] = "http_host2_1";
  const char db1[] = "db1";
  const char db2[] = "db2";
  const char db3[] = "db3";

  scoped_refptr<CannedBrowsingDataDatabaseHelper> helper(
      new CannedBrowsingDataDatabaseHelper(browser()->profile()));
  helper->AddDatabase(origin1, db1, std::string());
  helper->AddDatabase(origin1, db2, std::string());
  helper->AddDatabase(origin2, db3, std::string());

  TestCompletionCallback callback;
  helper->StartFetching(
      base::Bind(&TestCompletionCallback::callback,
                 base::Unretained(&callback)));

  std::list<BrowsingDataDatabaseHelper::DatabaseInfo> result =
      callback.result();

  ASSERT_EQ(3u, result.size());
  std::list<BrowsingDataDatabaseHelper::DatabaseInfo>::iterator info =
      result.begin();
  EXPECT_EQ(origin_str1, info->identifier.ToString());
  EXPECT_STREQ(db1, info->database_name.c_str());
  info++;
  EXPECT_EQ(origin_str1, info->identifier.ToString());
  EXPECT_STREQ(db2, info->database_name.c_str());
  info++;
  EXPECT_EQ(origin_str2, info->identifier.ToString());
  EXPECT_STREQ(db3, info->database_name.c_str());
}

IN_PROC_BROWSER_TEST_F(BrowsingDataDatabaseHelperTest, CannedUnique) {
  const GURL origin("http://host1:1/");
  const char origin_str[] = "http_host1_1";
  const char db[] = "db1";

  scoped_refptr<CannedBrowsingDataDatabaseHelper> helper(
      new CannedBrowsingDataDatabaseHelper(browser()->profile()));
  helper->AddDatabase(origin, db, std::string());
  helper->AddDatabase(origin, db, std::string());

  TestCompletionCallback callback;
  helper->StartFetching(
      base::Bind(&TestCompletionCallback::callback,
                 base::Unretained(&callback)));

  std::list<BrowsingDataDatabaseHelper::DatabaseInfo> result =
      callback.result();

  ASSERT_EQ(1u, result.size());
  EXPECT_EQ(origin_str, result.begin()->identifier.ToString());
  EXPECT_STREQ(db, result.begin()->database_name.c_str());
}
}  // namespace