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| 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 "content/public/test/test_file_error_injector.h" | |
| 6 | |
| 7 #include <vector> | |
| 8 | |
| 9 #include "base/compiler_specific.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "content/browser/download/download_create_info.h" | |
| 12 #include "content/browser/download/download_file_impl.h" | |
| 13 #include "content/browser/download/download_file_manager.h" | |
| 14 #include "content/browser/download/download_interrupt_reasons_impl.h" | |
| 15 #include "content/browser/power_save_blocker.h" | |
| 16 #include "content/browser/renderer_host/resource_dispatcher_host_impl.h" | |
| 17 #include "content/public/browser/browser_thread.h" | |
| 18 #include "content/public/browser/download_id.h" | |
| 19 #include "googleurl/src/gurl.h" | |
| 20 | |
| 21 namespace content { | |
| 22 class ByteStreamReader; | |
| 23 } | |
| 24 | |
| 25 namespace { | |
| 26 | |
| 27 DownloadFileManager* GetDownloadFileManager() { | |
| 28 content::ResourceDispatcherHostImpl* rdh = | |
| 29 content::ResourceDispatcherHostImpl::Get(); | |
| 30 DCHECK(rdh != NULL); | |
| 31 return rdh->download_file_manager(); | |
| 32 } | |
| 33 | |
| 34 // A class that performs file operations and injects errors. | |
| 35 class DownloadFileWithErrors: public DownloadFileImpl { | |
| 36 public: | |
| 37 typedef base::Callback<void(const GURL& url, content::DownloadId id)> | |
| 38 ConstructionCallback; | |
| 39 typedef base::Callback<void(const GURL& url)> DestructionCallback; | |
| 40 | |
| 41 DownloadFileWithErrors( | |
| 42 const DownloadCreateInfo* info, | |
| 43 scoped_ptr<content::ByteStreamReader> stream, | |
| 44 DownloadRequestHandleInterface* request_handle, | |
| 45 content::DownloadManager* download_manager, | |
| 46 bool calculate_hash, | |
| 47 const net::BoundNetLog& bound_net_log, | |
| 48 const content::TestFileErrorInjector::FileErrorInfo& error_info, | |
| 49 const ConstructionCallback& ctor_callback, | |
| 50 const DestructionCallback& dtor_callback); | |
| 51 | |
| 52 ~DownloadFileWithErrors(); | |
| 53 | |
| 54 // DownloadFile interface. | |
| 55 virtual content::DownloadInterruptReason Initialize() OVERRIDE; | |
| 56 virtual content::DownloadInterruptReason AppendDataToFile( | |
| 57 const char* data, size_t data_len) OVERRIDE; | |
| 58 virtual void Rename(const FilePath& full_path, | |
| 59 bool overwrite_existing_file, | |
| 60 const RenameCompletionCallback& callback) OVERRIDE; | |
| 61 | |
| 62 private: | |
| 63 // Error generating helper. | |
| 64 content::DownloadInterruptReason ShouldReturnError( | |
| 65 content::TestFileErrorInjector::FileOperationCode code, | |
| 66 content::DownloadInterruptReason original_error); | |
| 67 | |
| 68 // Used in place of original rename callback to intercept with | |
| 69 // ShouldReturnError. | |
| 70 void RenameErrorCallback( | |
| 71 const RenameCompletionCallback& original_callback, | |
| 72 content::DownloadInterruptReason original_error, | |
| 73 const FilePath& path_result); | |
| 74 | |
| 75 // Source URL for the file being downloaded. | |
| 76 GURL source_url_; | |
| 77 | |
| 78 // Our injected error. Only one per file. | |
| 79 content::TestFileErrorInjector::FileErrorInfo error_info_; | |
| 80 | |
| 81 // Count per operation. 0-based. | |
| 82 std::map<content::TestFileErrorInjector::FileOperationCode, int> | |
| 83 operation_counter_; | |
| 84 | |
| 85 // Callback for destruction. | |
| 86 DestructionCallback destruction_callback_; | |
| 87 }; | |
| 88 | |
| 89 DownloadFileWithErrors::DownloadFileWithErrors( | |
| 90 const DownloadCreateInfo* info, | |
| 91 scoped_ptr<content::ByteStreamReader> stream, | |
| 92 DownloadRequestHandleInterface* request_handle, | |
| 93 content::DownloadManager* download_manager, | |
| 94 bool calculate_hash, | |
| 95 const net::BoundNetLog& bound_net_log, | |
| 96 const content::TestFileErrorInjector::FileErrorInfo& error_info, | |
| 97 const ConstructionCallback& ctor_callback, | |
| 98 const DestructionCallback& dtor_callback) | |
| 99 : DownloadFileImpl(info, | |
| 100 stream.Pass(), | |
| 101 request_handle, | |
| 102 download_manager, | |
| 103 calculate_hash, | |
| 104 scoped_ptr<content::PowerSaveBlocker>(NULL).Pass(), | |
| 105 bound_net_log), | |
| 106 source_url_(info->url()), | |
| 107 error_info_(error_info), | |
| 108 destruction_callback_(dtor_callback) { | |
| 109 ctor_callback.Run(source_url_, info->download_id); | |
| 110 } | |
| 111 | |
| 112 DownloadFileWithErrors::~DownloadFileWithErrors() { | |
| 113 destruction_callback_.Run(source_url_); | |
| 114 } | |
| 115 | |
| 116 content::DownloadInterruptReason DownloadFileWithErrors::Initialize() { | |
| 117 return ShouldReturnError( | |
| 118 content::TestFileErrorInjector::FILE_OPERATION_INITIALIZE, | |
| 119 DownloadFileImpl::Initialize()); | |
| 120 } | |
| 121 | |
| 122 content::DownloadInterruptReason DownloadFileWithErrors::AppendDataToFile( | |
| 123 const char* data, size_t data_len) { | |
| 124 return ShouldReturnError( | |
| 125 content::TestFileErrorInjector::FILE_OPERATION_WRITE, | |
| 126 DownloadFileImpl::AppendDataToFile(data, data_len)); | |
| 127 } | |
| 128 | |
| 129 void DownloadFileWithErrors::Rename( | |
| 130 const FilePath& full_path, | |
| 131 bool overwrite_existing_file, | |
| 132 const RenameCompletionCallback& callback) { | |
| 133 DownloadFileImpl::Rename( | |
| 134 full_path, overwrite_existing_file, | |
| 135 base::Bind(&DownloadFileWithErrors::RenameErrorCallback, | |
| 136 // Unretained since this'll only be called from | |
| 137 // the DownloadFileImpl slice of the same object. | |
| 138 base::Unretained(this), callback)); | |
| 139 } | |
| 140 | |
| 141 content::DownloadInterruptReason DownloadFileWithErrors::ShouldReturnError( | |
| 142 content::TestFileErrorInjector::FileOperationCode code, | |
| 143 content::DownloadInterruptReason original_error) { | |
| 144 int counter = operation_counter_[code]; | |
| 145 ++operation_counter_[code]; | |
| 146 | |
| 147 if (code != error_info_.code) | |
| 148 return original_error; | |
| 149 | |
| 150 if (counter != error_info_.operation_instance) | |
| 151 return original_error; | |
| 152 | |
| 153 VLOG(1) << " " << __FUNCTION__ << "()" | |
| 154 << " url = '" << source_url_.spec() << "'" | |
| 155 << " code = " << content::TestFileErrorInjector::DebugString(code) | |
| 156 << " (" << code << ")" | |
| 157 << " counter = " << counter | |
| 158 << " original_error = " | |
| 159 << content::InterruptReasonDebugString(original_error) | |
| 160 << " (" << original_error << ")" | |
| 161 << " new error = " | |
| 162 << content::InterruptReasonDebugString(error_info_.error) | |
| 163 << " (" << error_info_.error << ")"; | |
| 164 | |
| 165 return error_info_.error; | |
| 166 } | |
| 167 | |
| 168 void DownloadFileWithErrors::RenameErrorCallback( | |
| 169 const RenameCompletionCallback& original_callback, | |
| 170 content::DownloadInterruptReason original_error, | |
| 171 const FilePath& path_result) { | |
| 172 original_callback.Run(ShouldReturnError( | |
| 173 content::TestFileErrorInjector::FILE_OPERATION_RENAME, | |
| 174 original_error), path_result); | |
| 175 } | |
| 176 | |
| 177 } // namespace | |
| 178 | |
| 179 namespace content { | |
| 180 | |
| 181 // A factory for constructing DownloadFiles that inject errors. | |
| 182 class DownloadFileWithErrorsFactory | |
| 183 : public DownloadFileManager::DownloadFileFactory { | |
| 184 public: | |
| 185 | |
| 186 DownloadFileWithErrorsFactory( | |
| 187 const DownloadFileWithErrors::ConstructionCallback& ctor_callback, | |
| 188 const DownloadFileWithErrors::DestructionCallback& dtor_callback); | |
| 189 virtual ~DownloadFileWithErrorsFactory(); | |
| 190 | |
| 191 // DownloadFileFactory interface. | |
| 192 virtual DownloadFile* CreateFile( | |
| 193 DownloadCreateInfo* info, | |
| 194 scoped_ptr<content::ByteStreamReader> stream, | |
| 195 content::DownloadManager* download_manager, | |
| 196 bool calculate_hash, | |
| 197 const net::BoundNetLog& bound_net_log); | |
| 198 | |
| 199 bool AddError( | |
| 200 const TestFileErrorInjector::FileErrorInfo& error_info); | |
| 201 | |
| 202 void ClearErrors(); | |
| 203 | |
| 204 private: | |
| 205 // Our injected error list, mapped by URL. One per file. | |
| 206 TestFileErrorInjector::ErrorMap injected_errors_; | |
| 207 | |
| 208 // Callback for creation and destruction. | |
| 209 DownloadFileWithErrors::ConstructionCallback construction_callback_; | |
| 210 DownloadFileWithErrors::DestructionCallback destruction_callback_; | |
| 211 }; | |
| 212 | |
| 213 DownloadFileWithErrorsFactory::DownloadFileWithErrorsFactory( | |
| 214 const DownloadFileWithErrors::ConstructionCallback& ctor_callback, | |
| 215 const DownloadFileWithErrors::DestructionCallback& dtor_callback) | |
| 216 : construction_callback_(ctor_callback), | |
| 217 destruction_callback_(dtor_callback) { | |
| 218 } | |
| 219 | |
| 220 DownloadFileWithErrorsFactory::~DownloadFileWithErrorsFactory() { | |
| 221 } | |
| 222 | |
| 223 content::DownloadFile* DownloadFileWithErrorsFactory::CreateFile( | |
| 224 DownloadCreateInfo* info, | |
| 225 scoped_ptr<content::ByteStreamReader> stream, | |
| 226 content::DownloadManager* download_manager, | |
| 227 bool calculate_hash, | |
| 228 const net::BoundNetLog& bound_net_log) { | |
| 229 std::string url = info->url().spec(); | |
| 230 | |
| 231 if (injected_errors_.find(url) == injected_errors_.end()) { | |
| 232 // Have to create entry, because FileErrorInfo is not a POD type. | |
| 233 TestFileErrorInjector::FileErrorInfo err_info = { | |
| 234 url, | |
| 235 TestFileErrorInjector::FILE_OPERATION_INITIALIZE, | |
| 236 -1, | |
| 237 content::DOWNLOAD_INTERRUPT_REASON_NONE | |
| 238 }; | |
| 239 injected_errors_[url] = err_info; | |
| 240 } | |
| 241 | |
| 242 return new DownloadFileWithErrors( | |
| 243 info, | |
| 244 stream.Pass(), | |
| 245 new DownloadRequestHandle(info->request_handle), | |
| 246 download_manager, | |
| 247 calculate_hash, | |
| 248 bound_net_log, | |
| 249 injected_errors_[url], | |
| 250 construction_callback_, | |
| 251 destruction_callback_); | |
| 252 } | |
| 253 | |
| 254 bool DownloadFileWithErrorsFactory::AddError( | |
| 255 const TestFileErrorInjector::FileErrorInfo& error_info) { | |
| 256 // Creates an empty entry if necessary. Duplicate entries overwrite. | |
| 257 injected_errors_[error_info.url] = error_info; | |
| 258 | |
| 259 return true; | |
| 260 } | |
| 261 | |
| 262 void DownloadFileWithErrorsFactory::ClearErrors() { | |
| 263 injected_errors_.clear(); | |
| 264 } | |
| 265 | |
| 266 TestFileErrorInjector::TestFileErrorInjector() | |
| 267 : created_factory_(NULL) { | |
| 268 // Record the value of the pointer, for later validation. | |
| 269 created_factory_ = | |
| 270 new DownloadFileWithErrorsFactory( | |
| 271 base::Bind(&TestFileErrorInjector:: | |
| 272 RecordDownloadFileConstruction, | |
| 273 this), | |
| 274 base::Bind(&TestFileErrorInjector:: | |
| 275 RecordDownloadFileDestruction, | |
| 276 this)); | |
| 277 | |
| 278 // We will transfer ownership of the factory to the download file manager. | |
| 279 scoped_ptr<DownloadFileWithErrorsFactory> download_file_factory( | |
| 280 created_factory_); | |
| 281 | |
| 282 content::BrowserThread::PostTask( | |
| 283 content::BrowserThread::FILE, | |
| 284 FROM_HERE, | |
| 285 base::Bind(&TestFileErrorInjector::AddFactory, | |
| 286 this, | |
| 287 base::Passed(&download_file_factory))); | |
| 288 } | |
| 289 | |
| 290 TestFileErrorInjector::~TestFileErrorInjector() { | |
| 291 } | |
| 292 | |
| 293 void TestFileErrorInjector::AddFactory( | |
| 294 scoped_ptr<DownloadFileWithErrorsFactory> factory) { | |
| 295 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE)); | |
| 296 | |
| 297 DownloadFileManager* download_file_manager = GetDownloadFileManager(); | |
| 298 DCHECK(download_file_manager); | |
| 299 | |
| 300 // Convert to base class pointer, for GCC. | |
| 301 scoped_ptr<DownloadFileManager::DownloadFileFactory> plain_factory( | |
| 302 factory.release()); | |
| 303 | |
| 304 download_file_manager->SetFileFactoryForTesting(plain_factory.Pass()); | |
| 305 } | |
| 306 | |
| 307 bool TestFileErrorInjector::AddError(const FileErrorInfo& error_info) { | |
| 308 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | |
| 309 DCHECK_LE(0, error_info.operation_instance); | |
| 310 DCHECK(injected_errors_.find(error_info.url) == injected_errors_.end()); | |
| 311 | |
| 312 // Creates an empty entry if necessary. | |
| 313 injected_errors_[error_info.url] = error_info; | |
| 314 | |
| 315 return true; | |
| 316 } | |
| 317 | |
| 318 void TestFileErrorInjector::ClearErrors() { | |
| 319 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | |
| 320 injected_errors_.clear(); | |
| 321 } | |
| 322 | |
| 323 bool TestFileErrorInjector::InjectErrors() { | |
| 324 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | |
| 325 | |
| 326 ClearFoundFiles(); | |
| 327 | |
| 328 content::BrowserThread::PostTask( | |
| 329 content::BrowserThread::FILE, | |
| 330 FROM_HERE, | |
| 331 base::Bind(&TestFileErrorInjector::InjectErrorsOnFileThread, | |
| 332 this, | |
| 333 injected_errors_, | |
| 334 created_factory_)); | |
| 335 | |
| 336 return true; | |
| 337 } | |
| 338 | |
| 339 void TestFileErrorInjector::InjectErrorsOnFileThread( | |
| 340 ErrorMap map, DownloadFileWithErrorsFactory* factory) { | |
| 341 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE)); | |
| 342 | |
| 343 // Validate that our factory is in use. | |
| 344 DownloadFileManager* download_file_manager = GetDownloadFileManager(); | |
| 345 DCHECK(download_file_manager); | |
| 346 | |
| 347 DownloadFileManager::DownloadFileFactory* file_factory = | |
| 348 download_file_manager->GetFileFactoryForTesting(); | |
| 349 | |
| 350 // Validate that we still have the same factory. | |
| 351 DCHECK_EQ(static_cast<DownloadFileManager::DownloadFileFactory*>(factory), | |
| 352 file_factory); | |
| 353 | |
| 354 // We want to replace all existing injection errors. | |
| 355 factory->ClearErrors(); | |
| 356 | |
| 357 for (ErrorMap::const_iterator it = map.begin(); it != map.end(); ++it) | |
| 358 factory->AddError(it->second); | |
| 359 } | |
| 360 | |
| 361 size_t TestFileErrorInjector::CurrentFileCount() const { | |
| 362 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | |
| 363 return files_.size(); | |
| 364 } | |
| 365 | |
| 366 size_t TestFileErrorInjector::TotalFileCount() const { | |
| 367 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | |
| 368 return found_files_.size(); | |
| 369 } | |
| 370 | |
| 371 | |
| 372 bool TestFileErrorInjector::HadFile(const GURL& url) const { | |
| 373 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | |
| 374 | |
| 375 return (found_files_.find(url) != found_files_.end()); | |
| 376 } | |
| 377 | |
| 378 const content::DownloadId TestFileErrorInjector::GetId( | |
| 379 const GURL& url) const { | |
| 380 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | |
| 381 | |
| 382 FileMap::const_iterator it = found_files_.find(url); | |
| 383 if (it == found_files_.end()) | |
| 384 return content::DownloadId::Invalid(); | |
| 385 | |
| 386 return it->second; | |
| 387 } | |
| 388 | |
| 389 void TestFileErrorInjector::ClearFoundFiles() { | |
| 390 found_files_.clear(); | |
| 391 } | |
| 392 | |
| 393 void TestFileErrorInjector::DownloadFileCreated(GURL url, | |
| 394 content::DownloadId id) { | |
| 395 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | |
| 396 DCHECK(files_.find(url) == files_.end()); | |
| 397 | |
| 398 files_[url] = id; | |
| 399 found_files_[url] = id; | |
| 400 } | |
| 401 | |
| 402 void TestFileErrorInjector::DestroyingDownloadFile(GURL url) { | |
| 403 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | |
| 404 DCHECK(files_.find(url) != files_.end()); | |
| 405 | |
| 406 files_.erase(url); | |
| 407 } | |
| 408 | |
| 409 void TestFileErrorInjector::RecordDownloadFileConstruction( | |
| 410 const GURL& url, content::DownloadId id) { | |
| 411 content::BrowserThread::PostTask( | |
| 412 content::BrowserThread::UI, | |
| 413 FROM_HERE, | |
| 414 base::Bind(&TestFileErrorInjector::DownloadFileCreated, | |
| 415 this, | |
| 416 url, | |
| 417 id)); | |
| 418 } | |
| 419 | |
| 420 void TestFileErrorInjector::RecordDownloadFileDestruction(const GURL& url) { | |
| 421 content::BrowserThread::PostTask( | |
| 422 content::BrowserThread::UI, | |
| 423 FROM_HERE, | |
| 424 base::Bind(&TestFileErrorInjector::DestroyingDownloadFile, | |
| 425 this, | |
| 426 url)); | |
| 427 } | |
| 428 | |
| 429 // static | |
| 430 scoped_refptr<TestFileErrorInjector> TestFileErrorInjector::Create() { | |
| 431 static bool visited = false; | |
| 432 DCHECK(!visited); // Only allowed to be called once. | |
| 433 visited = true; | |
| 434 | |
| 435 scoped_refptr<TestFileErrorInjector> single_injector( | |
| 436 new TestFileErrorInjector); | |
| 437 | |
| 438 return single_injector; | |
| 439 } | |
| 440 | |
| 441 // static | |
| 442 std::string TestFileErrorInjector::DebugString(FileOperationCode code) { | |
| 443 switch (code) { | |
| 444 case FILE_OPERATION_INITIALIZE: | |
| 445 return "INITIALIZE"; | |
| 446 case FILE_OPERATION_WRITE: | |
| 447 return "WRITE"; | |
| 448 case FILE_OPERATION_RENAME: | |
| 449 return "RENAME"; | |
| 450 default: | |
| 451 break; | |
| 452 } | |
| 453 | |
| 454 return "Unknown"; | |
| 455 } | |
| 456 | |
| 457 } // namespace content | |
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Chromium Code Reviews
Issue 10826311:
Move the corresponding cc files from content\test to be alongside their headers in content\public\t… (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/