content/browser/fileapi/blob_url_request_job_unittest.cc

   1 // Copyright 2013 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 "base/basictypes.h"
   6 #include "base/bind.h"
   7 #include "base/file_util.h"
   8 #include "base/files/file_path.h"
   9 #include "base/files/scoped_temp_dir.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/numerics/safe_conversions.h"
  13 #include "base/run_loop.h"
  14 #include "base/time/time.h"
  15 #include "content/browser/fileapi/mock_url_request_delegate.h"
  16 #include "content/public/test/async_file_test_helper.h"
  17 #include "content/public/test/test_file_system_context.h"
  18 #include "net/base/request_priority.h"
  19 #include "net/http/http_byte_range.h"
  20 #include "net/http/http_request_headers.h"
  21 #include "net/http/http_response_headers.h"
  22 #include "net/url_request/url_request.h"
  23 #include "net/url_request/url_request_context.h"
  24 #include "net/url_request/url_request_job_factory_impl.h"
  25 #include "testing/gtest/include/gtest/gtest.h"
  26 #include "webkit/browser/blob/blob_url_request_job.h"
  27 #include "webkit/browser/fileapi/file_system_context.h"
  28 #include "webkit/browser/fileapi/file_system_operation_context.h"
  29 #include "webkit/browser/fileapi/file_system_url.h"
  30 #include "webkit/common/blob/blob_data.h"
  31
  32 using storage::BlobData;
  33 using storage::BlobURLRequestJob;
  34
  35 namespace content {
  36
  37 namespace {
  38
  39 const int kBufferSize = 1024;
  40 const char kTestData1[] = "Hello";
  41 const char kTestData2[] = "Here it is data.";
  42 const char kTestFileData1[] = "0123456789";
  43 const char kTestFileData2[] = "This is sample file.";
  44 const char kTestFileSystemFileData1[] = "abcdefghijklmnop";
  45 const char kTestFileSystemFileData2[] = "File system file test data.";
  46 const char kTestContentType[] = "foo/bar";
  47 const char kTestContentDisposition[] = "attachment; filename=foo.txt";
  48
  49 const char kFileSystemURLOrigin[] = "http://remote";
  50 const storage::FileSystemType kFileSystemType =
  51     storage::kFileSystemTypeTemporary;
  52
  53 }  // namespace
  54
  55 class BlobURLRequestJobTest : public testing::Test {
  56  public:
  57   // A simple ProtocolHandler implementation to create BlobURLRequestJob.
  58   class MockProtocolHandler :
  59       public net::URLRequestJobFactory::ProtocolHandler {
  60    public:
  61     MockProtocolHandler(BlobURLRequestJobTest* test) : test_(test) {}
  62
  63     // net::URLRequestJobFactory::ProtocolHandler override.
  64     virtual net::URLRequestJob* MaybeCreateJob(
  65         net::URLRequest* request,
  66         net::NetworkDelegate* network_delegate) const OVERRIDE {
  67       return new BlobURLRequestJob(request,
  68                                    network_delegate,
  69                                    test_->blob_data_.get(),
  70                                    test_->file_system_context_.get(),
  71                                    base::MessageLoopProxy::current().get());
  72     }
  73
  74    private:
  75     BlobURLRequestJobTest* test_;
  76   };
  77
  78   BlobURLRequestJobTest()
  79       : blob_data_(new BlobData()),
  80         expected_status_code_(0) {}
  81
  82   virtual void SetUp() {
  83     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
  84
  85     temp_file1_ = temp_dir_.path().AppendASCII("BlobFile1.dat");
  86     ASSERT_EQ(static_cast<int>(arraysize(kTestFileData1) - 1),
  87               base::WriteFile(temp_file1_, kTestFileData1,
  88                                    arraysize(kTestFileData1) - 1));
  89     base::File::Info file_info1;
  90     base::GetFileInfo(temp_file1_, &file_info1);
  91     temp_file_modification_time1_ = file_info1.last_modified;
  92
  93     temp_file2_ = temp_dir_.path().AppendASCII("BlobFile2.dat");
  94     ASSERT_EQ(static_cast<int>(arraysize(kTestFileData2) - 1),
  95               base::WriteFile(temp_file2_, kTestFileData2,
  96                                    arraysize(kTestFileData2) - 1));
  97     base::File::Info file_info2;
  98     base::GetFileInfo(temp_file2_, &file_info2);
  99     temp_file_modification_time2_ = file_info2.last_modified;
 100
 101     url_request_job_factory_.SetProtocolHandler("blob",
 102                                                 new MockProtocolHandler(this));
 103     url_request_context_.set_job_factory(&url_request_job_factory_);
 104   }
 105
 106   virtual void TearDown() {
 107   }
 108
 109   void SetUpFileSystem() {
 110     // Prepare file system.
 111     file_system_context_ = CreateFileSystemContextForTesting(
 112         NULL, temp_dir_.path());
 113
 114     file_system_context_->OpenFileSystem(
 115         GURL(kFileSystemURLOrigin),
 116         kFileSystemType,
 117         storage::OPEN_FILE_SYSTEM_CREATE_IF_NONEXISTENT,
 118         base::Bind(&BlobURLRequestJobTest::OnValidateFileSystem,
 119                    base::Unretained(this)));
 120     base::RunLoop().RunUntilIdle();
 121     ASSERT_TRUE(file_system_root_url_.is_valid());
 122
 123     // Prepare files on file system.
 124     const char kFilename1[] = "FileSystemFile1.dat";
 125     temp_file_system_file1_ = GetFileSystemURL(kFilename1);
 126     WriteFileSystemFile(kFilename1, kTestFileSystemFileData1,
 127                         arraysize(kTestFileSystemFileData1) - 1,
 128                         &temp_file_system_file_modification_time1_);
 129     const char kFilename2[] = "FileSystemFile2.dat";
 130     temp_file_system_file2_ = GetFileSystemURL(kFilename2);
 131     WriteFileSystemFile(kFilename2, kTestFileSystemFileData2,
 132                         arraysize(kTestFileSystemFileData2) - 1,
 133                         &temp_file_system_file_modification_time2_);
 134   }
 135
 136   GURL GetFileSystemURL(const std::string& filename) {
 137     return GURL(file_system_root_url_.spec() + filename);
 138   }
 139
 140   void WriteFileSystemFile(const std::string& filename,
 141                            const char* buf, int buf_size,
 142                            base::Time* modification_time) {
 143     storage::FileSystemURL url =
 144         file_system_context_->CreateCrackedFileSystemURL(
 145             GURL(kFileSystemURLOrigin),
 146             kFileSystemType,
 147             base::FilePath().AppendASCII(filename));
 148
 149     ASSERT_EQ(base::File::FILE_OK,
 150               content::AsyncFileTestHelper::CreateFileWithData(
 151                   file_system_context_, url, buf, buf_size));
 152
 153     base::File::Info file_info;
 154     ASSERT_EQ(base::File::FILE_OK,
 155               content::AsyncFileTestHelper::GetMetadata(
 156                   file_system_context_, url, &file_info));
 157     if (modification_time)
 158       *modification_time = file_info.last_modified;
 159   }
 160
 161   void OnValidateFileSystem(const GURL& root,
 162                             const std::string& name,
 163                             base::File::Error result) {
 164     ASSERT_EQ(base::File::FILE_OK, result);
 165     ASSERT_TRUE(root.is_valid());
 166     file_system_root_url_ = root;
 167   }
 168
 169   void TestSuccessNonrangeRequest(const std::string& expected_response,
 170                                   int64 expected_content_length) {
 171     expected_status_code_ = 200;
 172     expected_response_ = expected_response;
 173     TestRequest("GET", net::HttpRequestHeaders());
 174     EXPECT_EQ(expected_content_length,
 175               request_->response_headers()->GetContentLength());
 176   }
 177
 178   void TestErrorRequest(int expected_status_code) {
 179     expected_status_code_ = expected_status_code;
 180     expected_response_ = "";
 181     TestRequest("GET", net::HttpRequestHeaders());
 182   }
 183
 184   void TestRequest(const std::string& method,
 185                    const net::HttpRequestHeaders& extra_headers) {
 186     request_ = url_request_context_.CreateRequest(
 187         GURL("blob:blah"), net::DEFAULT_PRIORITY, &url_request_delegate_, NULL);
 188     request_->set_method(method);
 189     if (!extra_headers.IsEmpty())
 190       request_->SetExtraRequestHeaders(extra_headers);
 191     request_->Start();
 192
 193     base::MessageLoop::current()->Run();
 194
 195     // Verify response.
 196     EXPECT_TRUE(request_->status().is_success());
 197     EXPECT_EQ(expected_status_code_,
 198               request_->response_headers()->response_code());
 199     EXPECT_EQ(expected_response_, url_request_delegate_.response_data());
 200   }
 201
 202   void BuildComplicatedData(std::string* expected_result) {
 203     blob_data_->AppendData(kTestData1 + 1, 2);
 204     blob_data_->AppendFile(temp_file1_, 2, 3, temp_file_modification_time1_);
 205     blob_data_->AppendFileSystemFile(temp_file_system_file1_, 3, 4,
 206                                      temp_file_system_file_modification_time1_);
 207     blob_data_->AppendData(kTestData2 + 4, 5);
 208     blob_data_->AppendFile(temp_file2_, 5, 6, temp_file_modification_time2_);
 209     blob_data_->AppendFileSystemFile(temp_file_system_file2_, 6, 7,
 210                                      temp_file_system_file_modification_time2_);
 211     *expected_result = std::string(kTestData1 + 1, 2);
 212     *expected_result += std::string(kTestFileData1 + 2, 3);
 213     *expected_result += std::string(kTestFileSystemFileData1 + 3, 4);
 214     *expected_result += std::string(kTestData2 + 4, 5);
 215     *expected_result += std::string(kTestFileData2 + 5, 6);
 216     *expected_result += std::string(kTestFileSystemFileData2 + 6, 7);
 217   }
 218
 219   // This only works if all the Blob items have a definite pre-computed length.
 220   // Otherwise, this will fail a CHECK.
 221   int64 GetTotalBlobLength() const {
 222     int64 total = 0;
 223     const std::vector<BlobData::Item>& items = blob_data_->items();
 224     for (std::vector<BlobData::Item>::const_iterator it = items.begin();
 225          it != items.end(); ++it) {
 226       int64 length = base::checked_cast<int64>(it->length());
 227       CHECK(length <= kint64max - total);
 228       total += length;
 229     }
 230     return total;
 231   }
 232
 233  protected:
 234   base::ScopedTempDir temp_dir_;
 235   base::FilePath temp_file1_;
 236   base::FilePath temp_file2_;
 237   base::Time temp_file_modification_time1_;
 238   base::Time temp_file_modification_time2_;
 239   GURL file_system_root_url_;
 240   GURL temp_file_system_file1_;
 241   GURL temp_file_system_file2_;
 242   base::Time temp_file_system_file_modification_time1_;
 243   base::Time temp_file_system_file_modification_time2_;
 244
 245   base::MessageLoopForIO message_loop_;
 246   scoped_refptr<storage::FileSystemContext> file_system_context_;
 247   scoped_refptr<BlobData> blob_data_;
 248   net::URLRequestJobFactoryImpl url_request_job_factory_;
 249   net::URLRequestContext url_request_context_;
 250   MockURLRequestDelegate url_request_delegate_;
 251   scoped_ptr<net::URLRequest> request_;
 252
 253   int expected_status_code_;
 254   std::string expected_response_;
 255 };
 256
 257 TEST_F(BlobURLRequestJobTest, TestGetSimpleDataRequest) {
 258   blob_data_->AppendData(kTestData1);
 259   TestSuccessNonrangeRequest(kTestData1, arraysize(kTestData1) - 1);
 260 }
 261
 262 TEST_F(BlobURLRequestJobTest, TestGetSimpleFileRequest) {
 263   blob_data_->AppendFile(temp_file1_, 0, kuint64max, base::Time());
 264   TestSuccessNonrangeRequest(kTestFileData1, arraysize(kTestFileData1) - 1);
 265 }
 266
 267 TEST_F(BlobURLRequestJobTest, TestGetLargeFileRequest) {
 268   base::FilePath large_temp_file =
 269       temp_dir_.path().AppendASCII("LargeBlob.dat");
 270   std::string large_data;
 271   large_data.reserve(kBufferSize * 5);
 272   for (int i = 0; i < kBufferSize * 5; ++i)
 273     large_data.append(1, static_cast<char>(i % 256));
 274   ASSERT_EQ(static_cast<int>(large_data.size()),
 275             base::WriteFile(large_temp_file, large_data.data(),
 276                                  large_data.size()));
 277   blob_data_->AppendFile(large_temp_file, 0, kuint64max, base::Time());
 278   TestSuccessNonrangeRequest(large_data, large_data.size());
 279 }
 280
 281 TEST_F(BlobURLRequestJobTest, TestGetNonExistentFileRequest) {
 282   base::FilePath non_existent_file =
 283       temp_file1_.InsertBeforeExtension(FILE_PATH_LITERAL("-na"));
 284   blob_data_->AppendFile(non_existent_file, 0, kuint64max, base::Time());
 285   TestErrorRequest(404);
 286 }
 287
 288 TEST_F(BlobURLRequestJobTest, TestGetChangedFileRequest) {
 289   base::Time old_time =
 290       temp_file_modification_time1_ - base::TimeDelta::FromSeconds(10);
 291   blob_data_->AppendFile(temp_file1_, 0, 3, old_time);
 292   TestErrorRequest(404);
 293 }
 294
 295 TEST_F(BlobURLRequestJobTest, TestGetSlicedFileRequest) {
 296   blob_data_->AppendFile(temp_file1_, 2, 4, temp_file_modification_time1_);
 297   std::string result(kTestFileData1 + 2, 4);
 298   TestSuccessNonrangeRequest(result, 4);
 299 }
 300
 301 TEST_F(BlobURLRequestJobTest, TestGetSimpleFileSystemFileRequest) {
 302   SetUpFileSystem();
 303   blob_data_->AppendFileSystemFile(temp_file_system_file1_, 0, kuint64max,
 304                                    base::Time());
 305   TestSuccessNonrangeRequest(kTestFileSystemFileData1,
 306                              arraysize(kTestFileSystemFileData1) - 1);
 307 }
 308
 309 TEST_F(BlobURLRequestJobTest, TestGetLargeFileSystemFileRequest) {
 310   SetUpFileSystem();
 311   std::string large_data;
 312   large_data.reserve(kBufferSize * 5);
 313   for (int i = 0; i < kBufferSize * 5; ++i)
 314     large_data.append(1, static_cast<char>(i % 256));
 315
 316   const char kFilename[] = "LargeBlob.dat";
 317   WriteFileSystemFile(kFilename, large_data.data(), large_data.size(), NULL);
 318
 319   blob_data_->AppendFileSystemFile(GetFileSystemURL(kFilename), 0, kuint64max,
 320                                    base::Time());
 321   TestSuccessNonrangeRequest(large_data, large_data.size());
 322 }
 323
 324 TEST_F(BlobURLRequestJobTest, TestGetNonExistentFileSystemFileRequest) {
 325   SetUpFileSystem();
 326   GURL non_existent_file = GetFileSystemURL("non-existent.dat");
 327   blob_data_->AppendFileSystemFile(non_existent_file, 0, kuint64max,
 328                                    base::Time());
 329   TestErrorRequest(404);
 330 }
 331
 332 TEST_F(BlobURLRequestJobTest, TestGetChangedFileSystemFileRequest) {
 333   SetUpFileSystem();
 334   base::Time old_time =
 335       temp_file_system_file_modification_time1_ -
 336       base::TimeDelta::FromSeconds(10);
 337   blob_data_->AppendFileSystemFile(temp_file_system_file1_, 0, 3, old_time);
 338   TestErrorRequest(404);
 339 }
 340
 341 TEST_F(BlobURLRequestJobTest, TestGetSlicedFileSystemFileRequest) {
 342   SetUpFileSystem();
 343   blob_data_->AppendFileSystemFile(temp_file_system_file1_, 2, 4,
 344                                   temp_file_system_file_modification_time1_);
 345   std::string result(kTestFileSystemFileData1 + 2, 4);
 346   TestSuccessNonrangeRequest(result, 4);
 347 }
 348
 349 TEST_F(BlobURLRequestJobTest, TestGetComplicatedDataAndFileRequest) {
 350   SetUpFileSystem();
 351   std::string result;
 352   BuildComplicatedData(&result);
 353   TestSuccessNonrangeRequest(result, GetTotalBlobLength());
 354 }
 355
 356 TEST_F(BlobURLRequestJobTest, TestGetRangeRequest1) {
 357   SetUpFileSystem();
 358   std::string result;
 359   BuildComplicatedData(&result);
 360   net::HttpRequestHeaders extra_headers;
 361   extra_headers.SetHeader(net::HttpRequestHeaders::kRange,
 362                           net::HttpByteRange::Bounded(5, 10).GetHeaderValue());
 363   expected_status_code_ = 206;
 364   expected_response_ = result.substr(5, 10 - 5 + 1);
 365   TestRequest("GET", extra_headers);
 366
 367   EXPECT_EQ(6, request_->response_headers()->GetContentLength());
 368
 369   int64 first = 0, last = 0, length = 0;
 370   EXPECT_TRUE(
 371       request_->response_headers()->GetContentRange(&first, &last, &length));
 372   EXPECT_EQ(5, first);
 373   EXPECT_EQ(10, last);
 374   EXPECT_EQ(GetTotalBlobLength(), length);
 375 }
 376
 377 TEST_F(BlobURLRequestJobTest, TestGetRangeRequest2) {
 378   SetUpFileSystem();
 379   std::string result;
 380   BuildComplicatedData(&result);
 381   net::HttpRequestHeaders extra_headers;
 382   extra_headers.SetHeader(net::HttpRequestHeaders::kRange,
 383                           net::HttpByteRange::Suffix(10).GetHeaderValue());
 384   expected_status_code_ = 206;
 385   expected_response_ = result.substr(result.length() - 10);
 386   TestRequest("GET", extra_headers);
 387
 388   EXPECT_EQ(10, request_->response_headers()->GetContentLength());
 389
 390   int64 total = GetTotalBlobLength();
 391   int64 first = 0, last = 0, length = 0;
 392   EXPECT_TRUE(
 393       request_->response_headers()->GetContentRange(&first, &last, &length));
 394   EXPECT_EQ(total - 10, first);
 395   EXPECT_EQ(total - 1, last);
 396   EXPECT_EQ(total, length);
 397 }
 398
 399 TEST_F(BlobURLRequestJobTest, TestExtraHeaders) {
 400   blob_data_->set_content_type(kTestContentType);
 401   blob_data_->set_content_disposition(kTestContentDisposition);
 402   blob_data_->AppendData(kTestData1);
 403   expected_status_code_ = 200;
 404   expected_response_ = kTestData1;
 405   TestRequest("GET", net::HttpRequestHeaders());
 406
 407   std::string content_type;
 408   EXPECT_TRUE(request_->response_headers()->GetMimeType(&content_type));
 409   EXPECT_EQ(kTestContentType, content_type);
 410   void* iter = NULL;
 411   std::string content_disposition;
 412   EXPECT_TRUE(request_->response_headers()->EnumerateHeader(
 413       &iter, "Content-Disposition", &content_disposition));
 414   EXPECT_EQ(kTestContentDisposition, content_disposition);
 415 }
 416
 417 }  // namespace content