src/content/browser/fileapi/upload_file_system_file_element_reader_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 "webkit/browser/fileapi/upload_file_system_file_element_reader.h"
   6
   7 #include "base/files/scoped_temp_dir.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/run_loop.h"
  10 #include "content/public/test/test_file_system_context.h"
  11 #include "net/base/io_buffer.h"
  12 #include "net/base/test_completion_callback.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14 #include "webkit/browser/fileapi/async_file_test_helper.h"
  15 #include "webkit/browser/fileapi/file_system_backend.h"
  16 #include "webkit/browser/fileapi/file_system_context.h"
  17 #include "webkit/browser/fileapi/file_system_operation_context.h"
  18 #include "webkit/browser/fileapi/file_system_url.h"
  19
  20 namespace fileapi {
  21
  22 namespace {
  23
  24 const char kFileSystemURLOrigin[] = "http://remote";
  25 const fileapi::FileSystemType kFileSystemType =
  26     fileapi::kFileSystemTypeTemporary;
  27
  28 }  // namespace
  29
  30 class UploadFileSystemFileElementReaderTest : public testing::Test {
  31  public:
  32   UploadFileSystemFileElementReaderTest() {}
  33
  34   virtual void SetUp() OVERRIDE {
  35     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
  36
  37     file_system_context_ = fileapi::CreateFileSystemContextForTesting(
  38         NULL, temp_dir_.path());
  39
  40     file_system_context_->OpenFileSystem(
  41         GURL(kFileSystemURLOrigin),
  42         kFileSystemType,
  43         OPEN_FILE_SYSTEM_CREATE_IF_NONEXISTENT,
  44         base::Bind(&UploadFileSystemFileElementReaderTest::OnOpenFileSystem,
  45                    base::Unretained(this)));
  46     base::RunLoop().RunUntilIdle();
  47     ASSERT_TRUE(file_system_root_url_.is_valid());
  48
  49     // Prepare a file on file system.
  50     const char kTestData[] = "abcdefghijklmnop0123456789";
  51     file_data_.assign(kTestData, kTestData + arraysize(kTestData) - 1);
  52     const char kFilename[] = "File.dat";
  53     file_url_ = GetFileSystemURL(kFilename);
  54     WriteFileSystemFile(kFilename, &file_data_[0], file_data_.size(),
  55                         &file_modification_time_);
  56
  57     // Create and initialize a reader.
  58     reader_.reset(
  59         new UploadFileSystemFileElementReader(file_system_context_.get(),
  60                                               file_url_,
  61                                               0,
  62                                               kuint64max,
  63                                               file_modification_time_));
  64     net::TestCompletionCallback callback;
  65     ASSERT_EQ(net::ERR_IO_PENDING, reader_->Init(callback.callback()));
  66     EXPECT_EQ(net::OK, callback.WaitForResult());
  67     EXPECT_EQ(file_data_.size(), reader_->GetContentLength());
  68     EXPECT_EQ(file_data_.size(), reader_->BytesRemaining());
  69     EXPECT_FALSE(reader_->IsInMemory());
  70   }
  71
  72  virtual void TearDown() OVERRIDE {
  73     reader_.reset();
  74     base::RunLoop().RunUntilIdle();
  75  }
  76
  77  protected:
  78   GURL GetFileSystemURL(const std::string& filename) {
  79     return GURL(file_system_root_url_.spec() + filename);
  80   }
  81
  82   void WriteFileSystemFile(const std::string& filename,
  83                            const char* buf,
  84                            int buf_size,
  85                            base::Time* modification_time) {
  86     fileapi::FileSystemURL url =
  87         file_system_context_->CreateCrackedFileSystemURL(
  88             GURL(kFileSystemURLOrigin),
  89             kFileSystemType,
  90             base::FilePath().AppendASCII(filename));
  91
  92     ASSERT_EQ(base::PLATFORM_FILE_OK,
  93               AsyncFileTestHelper::CreateFileWithData(
  94                   file_system_context_, url, buf, buf_size));
  95
  96     base::PlatformFileInfo file_info;
  97     ASSERT_EQ(base::PLATFORM_FILE_OK,
  98               AsyncFileTestHelper::GetMetadata(
  99                   file_system_context_, url, &file_info));
 100     *modification_time = file_info.last_modified;
 101   }
 102
 103   void OnOpenFileSystem(const GURL& root,
 104                         const std::string& name,
 105                         base::PlatformFileError result) {
 106     ASSERT_EQ(base::PLATFORM_FILE_OK, result);
 107     ASSERT_TRUE(root.is_valid());
 108     file_system_root_url_ = root;
 109   }
 110
 111   base::MessageLoopForIO message_loop_;
 112   base::ScopedTempDir temp_dir_;
 113   scoped_refptr<FileSystemContext> file_system_context_;
 114   GURL file_system_root_url_;
 115   std::vector<char> file_data_;
 116   GURL file_url_;
 117   base::Time file_modification_time_;
 118   scoped_ptr<UploadFileSystemFileElementReader> reader_;
 119 };
 120
 121 TEST_F(UploadFileSystemFileElementReaderTest, ReadAll) {
 122   scoped_refptr<net::IOBufferWithSize> buf =
 123       new net::IOBufferWithSize(file_data_.size());
 124   net::TestCompletionCallback read_callback;
 125   ASSERT_EQ(net::ERR_IO_PENDING,
 126             reader_->Read(buf.get(), buf->size(), read_callback.callback()));
 127   EXPECT_EQ(buf->size(), read_callback.WaitForResult());
 128   EXPECT_EQ(0U, reader_->BytesRemaining());
 129   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.end(), buf->data()));
 130   // Try to read again.
 131   EXPECT_EQ(0, reader_->Read(buf.get(), buf->size(), read_callback.callback()));
 132 }
 133
 134 TEST_F(UploadFileSystemFileElementReaderTest, ReadPartially) {
 135   const size_t kHalfSize = file_data_.size() / 2;
 136   ASSERT_EQ(file_data_.size(), kHalfSize * 2);
 137
 138   scoped_refptr<net::IOBufferWithSize> buf =
 139       new net::IOBufferWithSize(kHalfSize);
 140
 141   net::TestCompletionCallback read_callback1;
 142   ASSERT_EQ(net::ERR_IO_PENDING,
 143             reader_->Read(buf.get(), buf->size(), read_callback1.callback()));
 144   EXPECT_EQ(buf->size(), read_callback1.WaitForResult());
 145   EXPECT_EQ(file_data_.size() - buf->size(), reader_->BytesRemaining());
 146   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.begin() + kHalfSize,
 147                          buf->data()));
 148
 149   net::TestCompletionCallback read_callback2;
 150   EXPECT_EQ(net::ERR_IO_PENDING,
 151             reader_->Read(buf.get(), buf->size(), read_callback2.callback()));
 152   EXPECT_EQ(buf->size(), read_callback2.WaitForResult());
 153   EXPECT_EQ(0U, reader_->BytesRemaining());
 154   EXPECT_TRUE(std::equal(file_data_.begin() + kHalfSize, file_data_.end(),
 155                          buf->data()));
 156 }
 157
 158 TEST_F(UploadFileSystemFileElementReaderTest, ReadTooMuch) {
 159   const size_t kTooLargeSize = file_data_.size() * 2;
 160   scoped_refptr<net::IOBufferWithSize> buf =
 161       new net::IOBufferWithSize(kTooLargeSize);
 162   net::TestCompletionCallback read_callback;
 163   ASSERT_EQ(net::ERR_IO_PENDING,
 164             reader_->Read(buf.get(), buf->size(), read_callback.callback()));
 165   EXPECT_EQ(static_cast<int>(file_data_.size()), read_callback.WaitForResult());
 166   EXPECT_EQ(0U, reader_->BytesRemaining());
 167   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.end(), buf->data()));
 168 }
 169
 170 TEST_F(UploadFileSystemFileElementReaderTest, MultipleInit) {
 171   scoped_refptr<net::IOBufferWithSize> buf =
 172       new net::IOBufferWithSize(file_data_.size());
 173
 174   // Read all.
 175   net::TestCompletionCallback read_callback1;
 176   ASSERT_EQ(net::ERR_IO_PENDING,
 177             reader_->Read(buf.get(), buf->size(), read_callback1.callback()));
 178   EXPECT_EQ(buf->size(), read_callback1.WaitForResult());
 179   EXPECT_EQ(0U, reader_->BytesRemaining());
 180   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.end(), buf->data()));
 181
 182   // Call Init() again to reset the state.
 183   net::TestCompletionCallback init_callback;
 184   ASSERT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback.callback()));
 185   EXPECT_EQ(net::OK, init_callback.WaitForResult());
 186   EXPECT_EQ(file_data_.size(), reader_->GetContentLength());
 187   EXPECT_EQ(file_data_.size(), reader_->BytesRemaining());
 188
 189   // Read again.
 190   net::TestCompletionCallback read_callback2;
 191   ASSERT_EQ(net::ERR_IO_PENDING,
 192             reader_->Read(buf.get(), buf->size(), read_callback2.callback()));
 193   EXPECT_EQ(buf->size(), read_callback2.WaitForResult());
 194   EXPECT_EQ(0U, reader_->BytesRemaining());
 195   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.end(), buf->data()));
 196 }
 197
 198 TEST_F(UploadFileSystemFileElementReaderTest, InitDuringAsyncOperation) {
 199   scoped_refptr<net::IOBufferWithSize> buf =
 200       new net::IOBufferWithSize(file_data_.size());
 201
 202   // Start reading all.
 203   net::TestCompletionCallback read_callback1;
 204   EXPECT_EQ(net::ERR_IO_PENDING,
 205             reader_->Read(buf.get(), buf->size(), read_callback1.callback()));
 206
 207   // Call Init to cancel the previous read.
 208   net::TestCompletionCallback init_callback1;
 209   EXPECT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback1.callback()));
 210
 211   // Call Init again to cancel the previous init.
 212   net::TestCompletionCallback init_callback2;
 213   EXPECT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback2.callback()));
 214   EXPECT_EQ(net::OK, init_callback2.WaitForResult());
 215   EXPECT_EQ(file_data_.size(), reader_->GetContentLength());
 216   EXPECT_EQ(file_data_.size(), reader_->BytesRemaining());
 217
 218   // Read half.
 219   scoped_refptr<net::IOBufferWithSize> buf2 =
 220       new net::IOBufferWithSize(file_data_.size() / 2);
 221   net::TestCompletionCallback read_callback2;
 222   EXPECT_EQ(net::ERR_IO_PENDING,
 223             reader_->Read(buf2.get(), buf2->size(), read_callback2.callback()));
 224   EXPECT_EQ(buf2->size(), read_callback2.WaitForResult());
 225   EXPECT_EQ(file_data_.size() - buf2->size(), reader_->BytesRemaining());
 226   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.begin() + buf2->size(),
 227                          buf2->data()));
 228
 229   // Make sure callbacks are not called for cancelled operations.
 230   EXPECT_FALSE(read_callback1.have_result());
 231   EXPECT_FALSE(init_callback1.have_result());
 232 }
 233
 234 TEST_F(UploadFileSystemFileElementReaderTest, Range) {
 235   const int kOffset = 2;
 236   const int kLength = file_data_.size() - kOffset * 3;
 237   reader_.reset(new UploadFileSystemFileElementReader(
 238       file_system_context_.get(), file_url_, kOffset, kLength, base::Time()));
 239   net::TestCompletionCallback init_callback;
 240   ASSERT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback.callback()));
 241   EXPECT_EQ(net::OK, init_callback.WaitForResult());
 242   EXPECT_EQ(static_cast<uint64>(kLength), reader_->GetContentLength());
 243   EXPECT_EQ(static_cast<uint64>(kLength), reader_->BytesRemaining());
 244   scoped_refptr<net::IOBufferWithSize> buf = new net::IOBufferWithSize(kLength);
 245   net::TestCompletionCallback read_callback;
 246   ASSERT_EQ(net::ERR_IO_PENDING,
 247             reader_->Read(buf.get(), buf->size(), read_callback.callback()));
 248   EXPECT_EQ(kLength, read_callback.WaitForResult());
 249   EXPECT_TRUE(std::equal(file_data_.begin() + kOffset,
 250                          file_data_.begin() + kOffset + kLength,
 251                          buf->data()));
 252 }
 253
 254 TEST_F(UploadFileSystemFileElementReaderTest, FileChanged) {
 255   // Expect one second before the actual modification time to simulate change.
 256   const base::Time expected_modification_time =
 257       file_modification_time_ - base::TimeDelta::FromSeconds(1);
 258   reader_.reset(
 259       new UploadFileSystemFileElementReader(file_system_context_.get(),
 260                                             file_url_,
 261                                             0,
 262                                             kuint64max,
 263                                             expected_modification_time));
 264   net::TestCompletionCallback init_callback;
 265   ASSERT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback.callback()));
 266   EXPECT_EQ(net::ERR_UPLOAD_FILE_CHANGED, init_callback.WaitForResult());
 267 }
 268
 269 TEST_F(UploadFileSystemFileElementReaderTest, WrongURL) {
 270   const GURL wrong_url = GetFileSystemURL("wrong_file_name.dat");
 271   reader_.reset(new UploadFileSystemFileElementReader(
 272       file_system_context_.get(), wrong_url, 0, kuint64max, base::Time()));
 273   net::TestCompletionCallback init_callback;
 274   ASSERT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback.callback()));
 275   EXPECT_EQ(net::ERR_FILE_NOT_FOUND, init_callback.WaitForResult());
 276 }
 277
 278 }  // namespace fileapi