src/chrome/installer/util/copy_tree_work_item_unittest.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 <windows.h>
   6
   7 #include <fstream>
   8
   9 #include "base/base_paths.h"
  10 #include "base/files/file_util.h"
  11 #include "base/files/scoped_temp_dir.h"
  12 #include "base/logging.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "base/strings/string_util.h"
  15 #include "base/threading/platform_thread.h"
  16 #include "chrome/installer/util/copy_tree_work_item.h"
  17 #include "chrome/installer/util/work_item.h"
  18 #include "testing/gtest/include/gtest/gtest.h"
  19
  20 namespace {
  21
  22 class CopyTreeWorkItemTest : public testing::Test {
  23  protected:
  24   virtual void SetUp() {
  25     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
  26     ASSERT_TRUE(test_dir_.CreateUniqueTempDir());
  27   }
  28
  29   virtual void TearDown() {
  30     logging::CloseLogFile();
  31   }
  32
  33   // the path to temporary directory used to contain the test operations
  34   base::ScopedTempDir test_dir_;
  35   base::ScopedTempDir temp_dir_;
  36 };
  37
  38 // Simple function to dump some text into a new file.
  39 void CreateTextFile(const std::wstring& filename,
  40                     const std::wstring& contents) {
  41   std::ofstream file;
  42   file.open(filename.c_str());
  43   ASSERT_TRUE(file.is_open());
  44   file << contents;
  45   file.close();
  46 }
  47
  48 bool IsFileInUse(const base::FilePath& path) {
  49   if (!base::PathExists(path))
  50     return false;
  51
  52   HANDLE handle = ::CreateFile(path.value().c_str(), FILE_ALL_ACCESS,
  53                                NULL, NULL, OPEN_EXISTING, NULL, NULL);
  54   if (handle  == INVALID_HANDLE_VALUE)
  55     return true;
  56
  57   CloseHandle(handle);
  58   return false;
  59 }
  60
  61 // Simple function to read text from a file.
  62 std::wstring ReadTextFile(const std::wstring& filename) {
  63   WCHAR contents[64];
  64   std::wifstream file;
  65   file.open(filename.c_str());
  66   EXPECT_TRUE(file.is_open());
  67   file.getline(contents, 64);
  68   file.close();
  69   return std::wstring(contents);
  70 }
  71
  72 const wchar_t text_content_1[] = L"Gooooooooooooooooooooogle";
  73 const wchar_t text_content_2[] = L"Overwrite Me";
  74
  75 }  // namespace
  76
  77 // Copy one file from source to destination.
  78 TEST_F(CopyTreeWorkItemTest, CopyFile) {
  79   // Create source file
  80   base::FilePath file_name_from(test_dir_.path());
  81   file_name_from = file_name_from.AppendASCII("File_From.txt");
  82   CreateTextFile(file_name_from.value(), text_content_1);
  83   ASSERT_TRUE(base::PathExists(file_name_from));
  84
  85   // Create destination path
  86   base::FilePath dir_name_to(test_dir_.path());
  87   dir_name_to = dir_name_to.AppendASCII("Copy_To_Subdir");
  88   base::CreateDirectory(dir_name_to);
  89   ASSERT_TRUE(base::PathExists(dir_name_to));
  90
  91   base::FilePath file_name_to(dir_name_to);
  92   file_name_to = file_name_to.AppendASCII("File_To.txt");
  93
  94   // test Do()
  95   scoped_ptr<CopyTreeWorkItem> work_item(
  96       WorkItem::CreateCopyTreeWorkItem(file_name_from,
  97                                        file_name_to,
  98                                        temp_dir_.path(),
  99                                        WorkItem::ALWAYS,
 100                                        base::FilePath()));
 101
 102   EXPECT_TRUE(work_item->Do());
 103
 104   EXPECT_TRUE(base::PathExists(file_name_from));
 105   EXPECT_TRUE(base::PathExists(file_name_to));
 106   EXPECT_TRUE(base::ContentsEqual(file_name_from, file_name_to));
 107
 108   // test rollback()
 109   work_item->Rollback();
 110
 111   EXPECT_FALSE(base::PathExists(file_name_to));
 112   EXPECT_TRUE(base::PathExists(file_name_from));
 113 }
 114
 115 // Copy one file, overwriting the existing one in destination.
 116 // Test with always_overwrite being true or false. The file is overwritten
 117 // regardless since the content at destination file is different from source.
 118 TEST_F(CopyTreeWorkItemTest, CopyFileOverwrite) {
 119   // Create source file
 120   base::FilePath file_name_from(test_dir_.path());
 121   file_name_from = file_name_from.AppendASCII("File_From.txt");
 122   CreateTextFile(file_name_from.value(), text_content_1);
 123   ASSERT_TRUE(base::PathExists(file_name_from));
 124
 125   // Create destination file
 126   base::FilePath dir_name_to(test_dir_.path());
 127   dir_name_to = dir_name_to.AppendASCII("Copy_To_Subdir");
 128   base::CreateDirectory(dir_name_to);
 129   ASSERT_TRUE(base::PathExists(dir_name_to));
 130
 131   base::FilePath file_name_to(dir_name_to);
 132   file_name_to = file_name_to.AppendASCII("File_To.txt");
 133   CreateTextFile(file_name_to.value(), text_content_2);
 134   ASSERT_TRUE(base::PathExists(file_name_to));
 135
 136   // test Do() with always_overwrite being true.
 137   scoped_ptr<CopyTreeWorkItem> work_item(
 138       WorkItem::CreateCopyTreeWorkItem(file_name_from,
 139                                        file_name_to,
 140                                        temp_dir_.path(),
 141                                        WorkItem::ALWAYS,
 142                                        base::FilePath()));
 143
 144   EXPECT_TRUE(work_item->Do());
 145
 146   EXPECT_TRUE(base::PathExists(file_name_from));
 147   EXPECT_TRUE(base::PathExists(file_name_to));
 148   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 149   EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_1));
 150
 151   // test rollback()
 152   work_item->Rollback();
 153
 154   EXPECT_TRUE(base::PathExists(file_name_from));
 155   EXPECT_TRUE(base::PathExists(file_name_to));
 156   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 157   EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_2));
 158
 159   // test Do() with always_overwrite being false.
 160   // the file is still overwritten since the content is different.
 161   work_item.reset(
 162       WorkItem::CreateCopyTreeWorkItem(file_name_from,
 163                                        file_name_to,
 164                                        temp_dir_.path(),
 165                                        WorkItem::IF_DIFFERENT,
 166                                        base::FilePath()));
 167
 168   EXPECT_TRUE(work_item->Do());
 169
 170   EXPECT_TRUE(base::PathExists(file_name_from));
 171   EXPECT_TRUE(base::PathExists(file_name_to));
 172   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 173   EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_1));
 174
 175   // test rollback()
 176   work_item->Rollback();
 177
 178   EXPECT_TRUE(base::PathExists(file_name_from));
 179   EXPECT_TRUE(base::PathExists(file_name_to));
 180   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 181   EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_2));
 182 }
 183
 184 // Copy one file, with the existing one in destination having the same
 185 // content.
 186 // If always_overwrite being true, the file is overwritten.
 187 // If always_overwrite being false, the file is unchanged.
 188 TEST_F(CopyTreeWorkItemTest, CopyFileSameContent) {
 189   // Create source file
 190   base::FilePath file_name_from(test_dir_.path());
 191   file_name_from = file_name_from.AppendASCII("File_From.txt");
 192   CreateTextFile(file_name_from.value(), text_content_1);
 193   ASSERT_TRUE(base::PathExists(file_name_from));
 194
 195   // Create destination file
 196   base::FilePath dir_name_to(test_dir_.path());
 197   dir_name_to = dir_name_to.AppendASCII("Copy_To_Subdir");
 198   base::CreateDirectory(dir_name_to);
 199   ASSERT_TRUE(base::PathExists(dir_name_to));
 200
 201   base::FilePath file_name_to(dir_name_to);
 202   file_name_to = file_name_to.AppendASCII("File_To.txt");
 203   CreateTextFile(file_name_to.value(), text_content_1);
 204   ASSERT_TRUE(base::PathExists(file_name_to));
 205
 206   // test Do() with always_overwrite being true.
 207   scoped_ptr<CopyTreeWorkItem> work_item(
 208       WorkItem::CreateCopyTreeWorkItem(file_name_from,
 209                                        file_name_to,
 210                                        temp_dir_.path(),
 211                                        WorkItem::ALWAYS,
 212                                        base::FilePath()));
 213
 214   EXPECT_TRUE(work_item->Do());
 215
 216   // Get the path of backup file
 217   base::FilePath backup_file(work_item->backup_path_.path());
 218   EXPECT_FALSE(backup_file.empty());
 219   backup_file = backup_file.AppendASCII("File_To.txt");
 220
 221   EXPECT_TRUE(base::PathExists(file_name_from));
 222   EXPECT_TRUE(base::PathExists(file_name_to));
 223   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 224   EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_1));
 225   // we verify the file is overwritten by checking the existence of backup
 226   // file.
 227   EXPECT_TRUE(base::PathExists(backup_file));
 228   EXPECT_EQ(0, ReadTextFile(backup_file.value()).compare(text_content_1));
 229
 230   // test rollback()
 231   work_item->Rollback();
 232
 233   EXPECT_TRUE(base::PathExists(file_name_from));
 234   EXPECT_TRUE(base::PathExists(file_name_to));
 235   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 236   EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_1));
 237   // the backup file should be gone after rollback
 238   EXPECT_FALSE(base::PathExists(backup_file));
 239
 240   // test Do() with always_overwrite being false. nothing should change.
 241   work_item.reset(
 242       WorkItem::CreateCopyTreeWorkItem(file_name_from,
 243                                        file_name_to,
 244                                        temp_dir_.path(),
 245                                        WorkItem::IF_DIFFERENT,
 246                                        base::FilePath()));
 247
 248   EXPECT_TRUE(work_item->Do());
 249
 250   EXPECT_TRUE(base::PathExists(file_name_from));
 251   EXPECT_TRUE(base::PathExists(file_name_to));
 252   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 253   EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_1));
 254   // we verify the file is not overwritten by checking that the backup
 255   // file does not exist.
 256   EXPECT_FALSE(base::PathExists(backup_file));
 257
 258   // test rollback(). nothing should happen here.
 259   work_item->Rollback();
 260
 261   EXPECT_TRUE(base::PathExists(file_name_from));
 262   EXPECT_TRUE(base::PathExists(file_name_to));
 263   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 264   EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_1));
 265   EXPECT_FALSE(base::PathExists(backup_file));
 266 }
 267
 268 // Copy one file and without rollback. Verify all temporary files are deleted.
 269 TEST_F(CopyTreeWorkItemTest, CopyFileAndCleanup) {
 270   // Create source file
 271   base::FilePath file_name_from(test_dir_.path());
 272   file_name_from = file_name_from.AppendASCII("File_From.txt");
 273   CreateTextFile(file_name_from.value(), text_content_1);
 274   ASSERT_TRUE(base::PathExists(file_name_from));
 275
 276   // Create destination file
 277   base::FilePath dir_name_to(test_dir_.path());
 278   dir_name_to = dir_name_to.AppendASCII("Copy_To_Subdir");
 279   base::CreateDirectory(dir_name_to);
 280   ASSERT_TRUE(base::PathExists(dir_name_to));
 281
 282   base::FilePath file_name_to(dir_name_to);
 283   file_name_to = file_name_to.AppendASCII("File_To.txt");
 284   CreateTextFile(file_name_to.value(), text_content_2);
 285   ASSERT_TRUE(base::PathExists(file_name_to));
 286
 287   base::FilePath backup_file;
 288
 289   {
 290     // test Do().
 291     scoped_ptr<CopyTreeWorkItem> work_item(
 292         WorkItem::CreateCopyTreeWorkItem(file_name_from,
 293                                          file_name_to,
 294                                          temp_dir_.path(),
 295                                          WorkItem::IF_DIFFERENT,
 296                                          base::FilePath()));
 297
 298     EXPECT_TRUE(work_item->Do());
 299
 300     // Get the path of backup file
 301     backup_file = work_item->backup_path_.path();
 302     EXPECT_FALSE(backup_file.empty());
 303     backup_file = backup_file.AppendASCII("File_To.txt");
 304
 305     EXPECT_TRUE(base::PathExists(file_name_from));
 306     EXPECT_TRUE(base::PathExists(file_name_to));
 307     EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 308     EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_1));
 309     // verify the file is moved to backup place.
 310     EXPECT_TRUE(base::PathExists(backup_file));
 311     EXPECT_EQ(0, ReadTextFile(backup_file.value()).compare(text_content_2));
 312   }
 313
 314   // verify the backup file is cleaned up as well.
 315   EXPECT_FALSE(base::PathExists(backup_file));
 316 }
 317
 318 // Copy one file, with the existing one in destination being used with
 319 // overwrite option as IF_DIFFERENT. This destination-file-in-use should
 320 // be moved to backup location after Do() and moved back after Rollback().
 321 TEST_F(CopyTreeWorkItemTest, CopyFileInUse) {
 322   // Create source file
 323   base::FilePath file_name_from(test_dir_.path());
 324   file_name_from = file_name_from.AppendASCII("File_From");
 325   CreateTextFile(file_name_from.value(), text_content_1);
 326   ASSERT_TRUE(base::PathExists(file_name_from));
 327
 328   // Create an executable in destination path by copying ourself to it.
 329   wchar_t exe_full_path_str[MAX_PATH];
 330   ::GetModuleFileName(NULL, exe_full_path_str, MAX_PATH);
 331   base::FilePath exe_full_path(exe_full_path_str);
 332
 333   base::FilePath dir_name_to(test_dir_.path());
 334   dir_name_to = dir_name_to.AppendASCII("Copy_To_Subdir");
 335   base::CreateDirectory(dir_name_to);
 336   ASSERT_TRUE(base::PathExists(dir_name_to));
 337
 338   base::FilePath file_name_to(dir_name_to);
 339   file_name_to = file_name_to.AppendASCII("File_To");
 340   base::CopyFile(exe_full_path, file_name_to);
 341   ASSERT_TRUE(base::PathExists(file_name_to));
 342
 343   VLOG(1) << "copy ourself from " << exe_full_path.value()
 344           << " to " << file_name_to.value();
 345
 346   // Run the executable in destination path
 347   STARTUPINFOW si = {sizeof(si)};
 348   PROCESS_INFORMATION pi = {0};
 349   ASSERT_TRUE(
 350       ::CreateProcess(NULL, const_cast<wchar_t*>(file_name_to.value().c_str()),
 351                        NULL, NULL, FALSE, CREATE_NO_WINDOW | CREATE_SUSPENDED,
 352                        NULL, NULL, &si, &pi));
 353
 354   // test Do().
 355   scoped_ptr<CopyTreeWorkItem> work_item(
 356       WorkItem::CreateCopyTreeWorkItem(file_name_from,
 357                                        file_name_to,
 358                                        temp_dir_.path(),
 359                                        WorkItem::IF_DIFFERENT,
 360                                        base::FilePath()));
 361
 362   EXPECT_TRUE(work_item->Do());
 363
 364   // Get the path of backup file
 365   base::FilePath backup_file(work_item->backup_path_.path());
 366   EXPECT_FALSE(backup_file.empty());
 367   backup_file = backup_file.AppendASCII("File_To");
 368
 369   EXPECT_TRUE(base::PathExists(file_name_from));
 370   EXPECT_TRUE(base::PathExists(file_name_to));
 371   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 372   EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_1));
 373   // verify the file in used is moved to backup place.
 374   EXPECT_TRUE(base::PathExists(backup_file));
 375   EXPECT_TRUE(base::ContentsEqual(exe_full_path, backup_file));
 376
 377   // test rollback()
 378   work_item->Rollback();
 379
 380   EXPECT_TRUE(base::PathExists(file_name_from));
 381   EXPECT_TRUE(base::PathExists(file_name_to));
 382   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 383   EXPECT_TRUE(base::ContentsEqual(exe_full_path, file_name_to));
 384   // the backup file should be gone after rollback
 385   EXPECT_FALSE(base::PathExists(backup_file));
 386
 387   TerminateProcess(pi.hProcess, 0);
 388   // make sure the handle is closed.
 389   EXPECT_TRUE(WaitForSingleObject(pi.hProcess, 10000) == WAIT_OBJECT_0);
 390   CloseHandle(pi.hProcess);
 391   CloseHandle(pi.hThread);
 392 }
 393
 394 // Test overwrite option NEW_NAME_IF_IN_USE:
 395 // 1. If destination file is in use, the source should be copied with the
 396 //    new name after Do() and this new name file should be deleted
 397 //    after rollback.
 398 // 2. If destination file is not in use, the source should be copied in the
 399 //    destination folder after Do() and should be rolled back after Rollback().
 400 TEST_F(CopyTreeWorkItemTest, NewNameAndCopyTest) {
 401   // Create source file
 402   base::FilePath file_name_from(test_dir_.path());
 403   file_name_from = file_name_from.AppendASCII("File_From");
 404   CreateTextFile(file_name_from.value(), text_content_1);
 405   ASSERT_TRUE(base::PathExists(file_name_from));
 406
 407   // Create an executable in destination path by copying ourself to it.
 408   wchar_t exe_full_path_str[MAX_PATH];
 409   ::GetModuleFileName(NULL, exe_full_path_str, MAX_PATH);
 410   base::FilePath exe_full_path(exe_full_path_str);
 411
 412   base::FilePath dir_name_to(test_dir_.path());
 413   dir_name_to = dir_name_to.AppendASCII("Copy_To_Subdir");
 414   base::CreateDirectory(dir_name_to);
 415   ASSERT_TRUE(base::PathExists(dir_name_to));
 416
 417   base::FilePath file_name_to(dir_name_to), alternate_to(dir_name_to);
 418   file_name_to = file_name_to.AppendASCII("File_To");
 419   alternate_to = alternate_to.AppendASCII("Alternate_To");
 420   base::CopyFile(exe_full_path, file_name_to);
 421   ASSERT_TRUE(base::PathExists(file_name_to));
 422
 423   VLOG(1) << "copy ourself from " << exe_full_path.value()
 424           << " to " << file_name_to.value();
 425
 426   // Run the executable in destination path
 427   STARTUPINFOW si = {sizeof(si)};
 428   PROCESS_INFORMATION pi = {0};
 429   ASSERT_TRUE(
 430       ::CreateProcess(NULL, const_cast<wchar_t*>(file_name_to.value().c_str()),
 431                        NULL, NULL, FALSE, CREATE_NO_WINDOW | CREATE_SUSPENDED,
 432                        NULL, NULL, &si, &pi));
 433
 434   // test Do().
 435   scoped_ptr<CopyTreeWorkItem> work_item(
 436       WorkItem::CreateCopyTreeWorkItem(file_name_from,
 437                                        file_name_to,
 438                                        temp_dir_.path(),
 439                                        WorkItem::NEW_NAME_IF_IN_USE,
 440                                        alternate_to));
 441
 442   EXPECT_TRUE(work_item->Do());
 443
 444   EXPECT_TRUE(base::PathExists(file_name_from));
 445   EXPECT_TRUE(base::PathExists(file_name_to));
 446   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 447   EXPECT_TRUE(base::ContentsEqual(exe_full_path, file_name_to));
 448   // verify that the backup path does not exist
 449   EXPECT_TRUE(work_item->backup_path_.path().empty());
 450   EXPECT_TRUE(base::ContentsEqual(file_name_from, alternate_to));
 451
 452   // test rollback()
 453   work_item->Rollback();
 454
 455   EXPECT_TRUE(base::PathExists(file_name_from));
 456   EXPECT_TRUE(base::PathExists(file_name_to));
 457   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 458   EXPECT_TRUE(base::ContentsEqual(exe_full_path, file_name_to));
 459   EXPECT_TRUE(work_item->backup_path_.path().empty());
 460   // the alternate file should be gone after rollback
 461   EXPECT_FALSE(base::PathExists(alternate_to));
 462
 463   TerminateProcess(pi.hProcess, 0);
 464   // make sure the handle is closed.
 465   EXPECT_TRUE(WaitForSingleObject(pi.hProcess, 10000) == WAIT_OBJECT_0);
 466   CloseHandle(pi.hProcess);
 467   CloseHandle(pi.hThread);
 468
 469   // Now the process has terminated, lets try overwriting the file again
 470   work_item.reset(WorkItem::CreateCopyTreeWorkItem(
 471       file_name_from, file_name_to,
 472       temp_dir_.path(), WorkItem::NEW_NAME_IF_IN_USE,
 473       alternate_to));
 474   if (IsFileInUse(file_name_to))
 475     base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(2));
 476   // If file is still in use, the rest of the test will fail.
 477   ASSERT_FALSE(IsFileInUse(file_name_to));
 478   EXPECT_TRUE(work_item->Do());
 479
 480   // Get the path of backup file
 481   base::FilePath backup_file(work_item->backup_path_.path());
 482   EXPECT_FALSE(backup_file.empty());
 483   backup_file = backup_file.AppendASCII("File_To");
 484
 485   EXPECT_TRUE(base::PathExists(file_name_from));
 486   EXPECT_TRUE(base::PathExists(file_name_to));
 487   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 488   EXPECT_TRUE(base::ContentsEqual(file_name_from, file_name_to));
 489   // verify that the backup path does exist
 490   EXPECT_TRUE(base::PathExists(backup_file));
 491   EXPECT_FALSE(base::PathExists(alternate_to));
 492
 493   // test rollback()
 494   work_item->Rollback();
 495
 496   EXPECT_TRUE(base::PathExists(file_name_from));
 497   EXPECT_TRUE(base::PathExists(file_name_to));
 498   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 499   EXPECT_TRUE(base::ContentsEqual(exe_full_path, file_name_to));
 500   // the backup file should be gone after rollback
 501   EXPECT_FALSE(base::PathExists(backup_file));
 502   EXPECT_FALSE(base::PathExists(alternate_to));
 503 }
 504
 505 // Test overwrite option IF_NOT_PRESENT:
 506 // 1. If destination file/directory exist, the source should not be copied
 507 // 2. If destination file/directory do not exist, the source should be copied
 508 //    in the destination folder after Do() and should be rolled back after
 509 //    Rollback().
 510 // Flaky, http://crbug.com/59785.
 511 TEST_F(CopyTreeWorkItemTest, DISABLED_IfNotPresentTest) {
 512   // Create source file
 513   base::FilePath file_name_from(test_dir_.path());
 514   file_name_from = file_name_from.AppendASCII("File_From");
 515   CreateTextFile(file_name_from.value(), text_content_1);
 516   ASSERT_TRUE(base::PathExists(file_name_from));
 517
 518   // Create an executable in destination path by copying ourself to it.
 519   wchar_t exe_full_path_str[MAX_PATH];
 520   ::GetModuleFileName(NULL, exe_full_path_str, MAX_PATH);
 521   base::FilePath exe_full_path(exe_full_path_str);
 522
 523   base::FilePath dir_name_to(test_dir_.path());
 524   dir_name_to = dir_name_to.AppendASCII("Copy_To_Subdir");
 525   base::CreateDirectory(dir_name_to);
 526   ASSERT_TRUE(base::PathExists(dir_name_to));
 527   base::FilePath file_name_to(dir_name_to);
 528   file_name_to = file_name_to.AppendASCII("File_To");
 529   base::CopyFile(exe_full_path, file_name_to);
 530   ASSERT_TRUE(base::PathExists(file_name_to));
 531
 532   // Get the path of backup file
 533   base::FilePath backup_file(temp_dir_.path());
 534   backup_file = backup_file.AppendASCII("File_To");
 535
 536   // test Do().
 537   scoped_ptr<CopyTreeWorkItem> work_item(
 538       WorkItem::CreateCopyTreeWorkItem(
 539           file_name_from,
 540           file_name_to, temp_dir_.path(),
 541           WorkItem::IF_NOT_PRESENT,
 542           base::FilePath()));
 543   EXPECT_TRUE(work_item->Do());
 544
 545   // verify that the source, destination have not changed and backup path
 546   // does not exist
 547   EXPECT_TRUE(base::PathExists(file_name_from));
 548   EXPECT_TRUE(base::PathExists(file_name_to));
 549   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 550   EXPECT_TRUE(base::ContentsEqual(exe_full_path, file_name_to));
 551   EXPECT_FALSE(base::PathExists(backup_file));
 552
 553   // test rollback()
 554   work_item->Rollback();
 555
 556   // verify that the source, destination have not changed and backup path
 557   // does not exist after rollback also
 558   EXPECT_TRUE(base::PathExists(file_name_from));
 559   EXPECT_TRUE(base::PathExists(file_name_to));
 560   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 561   EXPECT_TRUE(base::ContentsEqual(exe_full_path, file_name_to));
 562   EXPECT_FALSE(base::PathExists(backup_file));
 563
 564   // Now delete the destination and try copying the file again.
 565   base::DeleteFile(file_name_to, true);
 566   work_item.reset(WorkItem::CreateCopyTreeWorkItem(
 567       file_name_from, file_name_to,
 568       temp_dir_.path(), WorkItem::IF_NOT_PRESENT,
 569       base::FilePath()));
 570   EXPECT_TRUE(work_item->Do());
 571
 572   // verify that the source, destination are the same and backup path
 573   // does not exist
 574   EXPECT_TRUE(base::PathExists(file_name_from));
 575   EXPECT_TRUE(base::PathExists(file_name_to));
 576   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 577   EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_1));
 578   EXPECT_FALSE(base::PathExists(backup_file));
 579
 580   // test rollback()
 581   work_item->Rollback();
 582
 583   // verify that the destination does not exist anymore
 584   EXPECT_TRUE(base::PathExists(file_name_from));
 585   EXPECT_FALSE(base::PathExists(file_name_to));
 586   EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 587   EXPECT_FALSE(base::PathExists(backup_file));
 588 }
 589
 590 // Copy one file without rollback. The existing one in destination is in use.
 591 // Verify it is moved to backup location and stays there.
 592 // Flaky, http://crbug.com/59783.
 593 TEST_F(CopyTreeWorkItemTest, DISABLED_CopyFileInUseAndCleanup) {
 594   // Create source file
 595   base::FilePath file_name_from(test_dir_.path());
 596   file_name_from = file_name_from.AppendASCII("File_From");
 597   CreateTextFile(file_name_from.value(), text_content_1);
 598   ASSERT_TRUE(base::PathExists(file_name_from));
 599
 600   // Create an executable in destination path by copying ourself to it.
 601   wchar_t exe_full_path_str[MAX_PATH];
 602   ::GetModuleFileName(NULL, exe_full_path_str, MAX_PATH);
 603   base::FilePath exe_full_path(exe_full_path_str);
 604
 605   base::FilePath dir_name_to(test_dir_.path());
 606   dir_name_to = dir_name_to.AppendASCII("Copy_To_Subdir");
 607   base::CreateDirectory(dir_name_to);
 608   ASSERT_TRUE(base::PathExists(dir_name_to));
 609
 610   base::FilePath file_name_to(dir_name_to);
 611   file_name_to = file_name_to.AppendASCII("File_To");
 612   base::CopyFile(exe_full_path, file_name_to);
 613   ASSERT_TRUE(base::PathExists(file_name_to));
 614
 615   VLOG(1) << "copy ourself from " << exe_full_path.value()
 616           << " to " << file_name_to.value();
 617
 618   // Run the executable in destination path
 619   STARTUPINFOW si = {sizeof(si)};
 620   PROCESS_INFORMATION pi = {0};
 621   ASSERT_TRUE(
 622       ::CreateProcess(NULL, const_cast<wchar_t*>(file_name_to.value().c_str()),
 623                        NULL, NULL, FALSE, CREATE_NO_WINDOW | CREATE_SUSPENDED,
 624                        NULL, NULL, &si, &pi));
 625
 626   base::FilePath backup_file;
 627
 628   // test Do().
 629   {
 630     scoped_ptr<CopyTreeWorkItem> work_item(
 631         WorkItem::CreateCopyTreeWorkItem(file_name_from,
 632                                          file_name_to,
 633                                          temp_dir_.path(),
 634                                          WorkItem::IF_DIFFERENT,
 635                                          base::FilePath()));
 636
 637     EXPECT_TRUE(work_item->Do());
 638
 639     // Get the path of backup file
 640     backup_file = work_item->backup_path_.path();
 641     EXPECT_FALSE(backup_file.empty());
 642     backup_file = backup_file.AppendASCII("File_To");
 643
 644     EXPECT_TRUE(base::PathExists(file_name_from));
 645     EXPECT_TRUE(base::PathExists(file_name_to));
 646     EXPECT_EQ(0, ReadTextFile(file_name_from.value()).compare(text_content_1));
 647     EXPECT_EQ(0, ReadTextFile(file_name_to.value()).compare(text_content_1));
 648     // verify the file in used is moved to backup place.
 649     EXPECT_TRUE(base::PathExists(backup_file));
 650     EXPECT_TRUE(base::ContentsEqual(exe_full_path, backup_file));
 651   }
 652
 653   // verify the file in used should be still at the backup place.
 654   EXPECT_TRUE(base::PathExists(backup_file));
 655   EXPECT_TRUE(base::ContentsEqual(exe_full_path, backup_file));
 656
 657   TerminateProcess(pi.hProcess, 0);
 658   // make sure the handle is closed.
 659   EXPECT_TRUE(WaitForSingleObject(pi.hProcess, 10000) == WAIT_OBJECT_0);
 660   CloseHandle(pi.hProcess);
 661   CloseHandle(pi.hThread);
 662 }
 663
 664 // Copy a tree from source to destination.
 665 // Flaky, http://crbug.com/59784.
 666 TEST_F(CopyTreeWorkItemTest, DISABLED_CopyTree) {
 667   // Create source tree
 668   base::FilePath dir_name_from(test_dir_.path());
 669   dir_name_from = dir_name_from.AppendASCII("from");
 670   base::CreateDirectory(dir_name_from);
 671   ASSERT_TRUE(base::PathExists(dir_name_from));
 672
 673   base::FilePath dir_name_from_1(dir_name_from);
 674   dir_name_from_1 = dir_name_from_1.AppendASCII("1");
 675   base::CreateDirectory(dir_name_from_1);
 676   ASSERT_TRUE(base::PathExists(dir_name_from_1));
 677
 678   base::FilePath dir_name_from_2(dir_name_from);
 679   dir_name_from_2 = dir_name_from_2.AppendASCII("2");
 680   base::CreateDirectory(dir_name_from_2);
 681   ASSERT_TRUE(base::PathExists(dir_name_from_2));
 682
 683   base::FilePath file_name_from_1(dir_name_from_1);
 684   file_name_from_1 = file_name_from_1.AppendASCII("File_1.txt");
 685   CreateTextFile(file_name_from_1.value(), text_content_1);
 686   ASSERT_TRUE(base::PathExists(file_name_from_1));
 687
 688   base::FilePath file_name_from_2(dir_name_from_2);
 689   file_name_from_2 = file_name_from_2.AppendASCII("File_2.txt");
 690   CreateTextFile(file_name_from_2.value(), text_content_1);
 691   ASSERT_TRUE(base::PathExists(file_name_from_2));
 692
 693   base::FilePath dir_name_to(test_dir_.path());
 694   dir_name_to = dir_name_to.AppendASCII("to");
 695
 696   // test Do()
 697   {
 698     scoped_ptr<CopyTreeWorkItem> work_item(
 699         WorkItem::CreateCopyTreeWorkItem(dir_name_from,
 700                                          dir_name_to,
 701                                          temp_dir_.path(),
 702                                          WorkItem::ALWAYS,
 703                                          base::FilePath()));
 704
 705     EXPECT_TRUE(work_item->Do());
 706   }
 707
 708   base::FilePath file_name_to_1(dir_name_to);
 709   file_name_to_1 = file_name_to_1.AppendASCII("1");
 710   file_name_to_1 = file_name_to_1.AppendASCII("File_1.txt");
 711   EXPECT_TRUE(base::PathExists(file_name_to_1));
 712   VLOG(1) << "compare " << file_name_from_1.value()
 713           << " and " << file_name_to_1.value();
 714   EXPECT_TRUE(base::ContentsEqual(file_name_from_1, file_name_to_1));
 715
 716   base::FilePath file_name_to_2(dir_name_to);
 717   file_name_to_2 = file_name_to_2.AppendASCII("2");
 718   file_name_to_2 = file_name_to_2.AppendASCII("File_2.txt");
 719   EXPECT_TRUE(base::PathExists(file_name_to_2));
 720   VLOG(1) << "compare " << file_name_from_2.value()
 721           << " and " << file_name_to_2.value();
 722   EXPECT_TRUE(base::ContentsEqual(file_name_from_2, file_name_to_2));
 723 }