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 "content/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/async_file_test_helper.h"
  11 #include "content/public/test/test_file_system_context.h"
  12 #include "net/base/io_buffer.h"
  13 #include "net/base/test_completion_callback.h"
  14 #include "testing/gtest/include/gtest/gtest.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 using content::AsyncFileTestHelper;
  21 using fileapi::FileSystemContext;
  22 using fileapi::FileSystemType;
  23 using fileapi::FileSystemURL;
  24
  25 namespace content {
  26
  27 namespace {
  28
  29 const char kFileSystemURLOrigin[] = "http://remote";
  30 const fileapi::FileSystemType kFileSystemType =
  31     fileapi::kFileSystemTypeTemporary;
  32
  33 }  // namespace
  34
  35 class UploadFileSystemFileElementReaderTest : public testing::Test {
  36  public:
  37   UploadFileSystemFileElementReaderTest() {}
  38
  39   virtual void SetUp() OVERRIDE {
  40     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
  41
  42     file_system_context_ = CreateFileSystemContextForTesting(
  43         NULL, temp_dir_.path());
  44
  45     file_system_context_->OpenFileSystem(
  46         GURL(kFileSystemURLOrigin),
  47         kFileSystemType,
  48         fileapi::OPEN_FILE_SYSTEM_CREATE_IF_NONEXISTENT,
  49         base::Bind(&UploadFileSystemFileElementReaderTest::OnOpenFileSystem,
  50                    base::Unretained(this)));
  51     base::RunLoop().RunUntilIdle();
  52     ASSERT_TRUE(file_system_root_url_.is_valid());
  53
  54     // Prepare a file on file system.
  55     const char kTestData[] = "abcdefghijklmnop0123456789";
  56     file_data_.assign(kTestData, kTestData + arraysize(kTestData) - 1);
  57     const char kFilename[] = "File.dat";
  58     file_url_ = GetFileSystemURL(kFilename);
  59     WriteFileSystemFile(kFilename, &file_data_[0], file_data_.size(),
  60                         &file_modification_time_);
  61
  62     // Create and initialize a reader.
  63     reader_.reset(
  64         new UploadFileSystemFileElementReader(file_system_context_.get(),
  65                                               file_url_,
  66                                               0,
  67                                               kuint64max,
  68                                               file_modification_time_));
  69     net::TestCompletionCallback callback;
  70     ASSERT_EQ(net::ERR_IO_PENDING, reader_->Init(callback.callback()));
  71     EXPECT_EQ(net::OK, callback.WaitForResult());
  72     EXPECT_EQ(file_data_.size(), reader_->GetContentLength());
  73     EXPECT_EQ(file_data_.size(), reader_->BytesRemaining());
  74     EXPECT_FALSE(reader_->IsInMemory());
  75   }
  76
  77  virtual void TearDown() OVERRIDE {
  78     reader_.reset();
  79     base::RunLoop().RunUntilIdle();
  80  }
  81
  82  protected:
  83   GURL GetFileSystemURL(const std::string& filename) {
  84     return GURL(file_system_root_url_.spec() + filename);
  85   }
  86
  87   void WriteFileSystemFile(const std::string& filename,
  88                            const char* buf,
  89                            int buf_size,
  90                            base::Time* modification_time) {
  91     fileapi::FileSystemURL url =
  92         file_system_context_->CreateCrackedFileSystemURL(
  93             GURL(kFileSystemURLOrigin),
  94             kFileSystemType,
  95             base::FilePath().AppendASCII(filename));
  96
  97     ASSERT_EQ(base::File::FILE_OK,
  98               AsyncFileTestHelper::CreateFileWithData(
  99                   file_system_context_, url, buf, buf_size));
 100
 101     base::File::Info file_info;
 102     ASSERT_EQ(base::File::FILE_OK,
 103               AsyncFileTestHelper::GetMetadata(
 104                   file_system_context_, url, &file_info));
 105     *modification_time = file_info.last_modified;
 106   }
 107
 108   void OnOpenFileSystem(const GURL& root,
 109                         const std::string& name,
 110                         base::File::Error result) {
 111     ASSERT_EQ(base::File::FILE_OK, result);
 112     ASSERT_TRUE(root.is_valid());
 113     file_system_root_url_ = root;
 114   }
 115
 116   base::MessageLoopForIO message_loop_;
 117   base::ScopedTempDir temp_dir_;
 118   scoped_refptr<FileSystemContext> file_system_context_;
 119   GURL file_system_root_url_;
 120   std::vector<char> file_data_;
 121   GURL file_url_;
 122   base::Time file_modification_time_;
 123   scoped_ptr<UploadFileSystemFileElementReader> reader_;
 124 };
 125
 126 TEST_F(UploadFileSystemFileElementReaderTest, ReadAll) {
 127   scoped_refptr<net::IOBufferWithSize> buf =
 128       new net::IOBufferWithSize(file_data_.size());
 129   net::TestCompletionCallback read_callback;
 130   ASSERT_EQ(net::ERR_IO_PENDING,
 131             reader_->Read(buf.get(), buf->size(), read_callback.callback()));
 132   EXPECT_EQ(buf->size(), read_callback.WaitForResult());
 133   EXPECT_EQ(0U, reader_->BytesRemaining());
 134   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.end(), buf->data()));
 135   // Try to read again.
 136   EXPECT_EQ(0, reader_->Read(buf.get(), buf->size(), read_callback.callback()));
 137 }
 138
 139 TEST_F(UploadFileSystemFileElementReaderTest, ReadPartially) {
 140   const size_t kHalfSize = file_data_.size() / 2;
 141   ASSERT_EQ(file_data_.size(), kHalfSize * 2);
 142
 143   scoped_refptr<net::IOBufferWithSize> buf =
 144       new net::IOBufferWithSize(kHalfSize);
 145
 146   net::TestCompletionCallback read_callback1;
 147   ASSERT_EQ(net::ERR_IO_PENDING,
 148             reader_->Read(buf.get(), buf->size(), read_callback1.callback()));
 149   EXPECT_EQ(buf->size(), read_callback1.WaitForResult());
 150   EXPECT_EQ(file_data_.size() - buf->size(), reader_->BytesRemaining());
 151   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.begin() + kHalfSize,
 152                          buf->data()));
 153
 154   net::TestCompletionCallback read_callback2;
 155   EXPECT_EQ(net::ERR_IO_PENDING,
 156             reader_->Read(buf.get(), buf->size(), read_callback2.callback()));
 157   EXPECT_EQ(buf->size(), read_callback2.WaitForResult());
 158   EXPECT_EQ(0U, reader_->BytesRemaining());
 159   EXPECT_TRUE(std::equal(file_data_.begin() + kHalfSize, file_data_.end(),
 160                          buf->data()));
 161 }
 162
 163 TEST_F(UploadFileSystemFileElementReaderTest, ReadTooMuch) {
 164   const size_t kTooLargeSize = file_data_.size() * 2;
 165   scoped_refptr<net::IOBufferWithSize> buf =
 166       new net::IOBufferWithSize(kTooLargeSize);
 167   net::TestCompletionCallback read_callback;
 168   ASSERT_EQ(net::ERR_IO_PENDING,
 169             reader_->Read(buf.get(), buf->size(), read_callback.callback()));
 170   EXPECT_EQ(static_cast<int>(file_data_.size()), read_callback.WaitForResult());
 171   EXPECT_EQ(0U, reader_->BytesRemaining());
 172   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.end(), buf->data()));
 173 }
 174
 175 TEST_F(UploadFileSystemFileElementReaderTest, MultipleInit) {
 176   scoped_refptr<net::IOBufferWithSize> buf =
 177       new net::IOBufferWithSize(file_data_.size());
 178
 179   // Read all.
 180   net::TestCompletionCallback read_callback1;
 181   ASSERT_EQ(net::ERR_IO_PENDING,
 182             reader_->Read(buf.get(), buf->size(), read_callback1.callback()));
 183   EXPECT_EQ(buf->size(), read_callback1.WaitForResult());
 184   EXPECT_EQ(0U, reader_->BytesRemaining());
 185   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.end(), buf->data()));
 186
 187   // Call Init() again to reset the state.
 188   net::TestCompletionCallback init_callback;
 189   ASSERT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback.callback()));
 190   EXPECT_EQ(net::OK, init_callback.WaitForResult());
 191   EXPECT_EQ(file_data_.size(), reader_->GetContentLength());
 192   EXPECT_EQ(file_data_.size(), reader_->BytesRemaining());
 193
 194   // Read again.
 195   net::TestCompletionCallback read_callback2;
 196   ASSERT_EQ(net::ERR_IO_PENDING,
 197             reader_->Read(buf.get(), buf->size(), read_callback2.callback()));
 198   EXPECT_EQ(buf->size(), read_callback2.WaitForResult());
 199   EXPECT_EQ(0U, reader_->BytesRemaining());
 200   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.end(), buf->data()));
 201 }
 202
 203 TEST_F(UploadFileSystemFileElementReaderTest, InitDuringAsyncOperation) {
 204   scoped_refptr<net::IOBufferWithSize> buf =
 205       new net::IOBufferWithSize(file_data_.size());
 206
 207   // Start reading all.
 208   net::TestCompletionCallback read_callback1;
 209   EXPECT_EQ(net::ERR_IO_PENDING,
 210             reader_->Read(buf.get(), buf->size(), read_callback1.callback()));
 211
 212   // Call Init to cancel the previous read.
 213   net::TestCompletionCallback init_callback1;
 214   EXPECT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback1.callback()));
 215
 216   // Call Init again to cancel the previous init.
 217   net::TestCompletionCallback init_callback2;
 218   EXPECT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback2.callback()));
 219   EXPECT_EQ(net::OK, init_callback2.WaitForResult());
 220   EXPECT_EQ(file_data_.size(), reader_->GetContentLength());
 221   EXPECT_EQ(file_data_.size(), reader_->BytesRemaining());
 222
 223   // Read half.
 224   scoped_refptr<net::IOBufferWithSize> buf2 =
 225       new net::IOBufferWithSize(file_data_.size() / 2);
 226   net::TestCompletionCallback read_callback2;
 227   EXPECT_EQ(net::ERR_IO_PENDING,
 228             reader_->Read(buf2.get(), buf2->size(), read_callback2.callback()));
 229   EXPECT_EQ(buf2->size(), read_callback2.WaitForResult());
 230   EXPECT_EQ(file_data_.size() - buf2->size(), reader_->BytesRemaining());
 231   EXPECT_TRUE(std::equal(file_data_.begin(), file_data_.begin() + buf2->size(),
 232                          buf2->data()));
 233
 234   // Make sure callbacks are not called for cancelled operations.
 235   EXPECT_FALSE(read_callback1.have_result());
 236   EXPECT_FALSE(init_callback1.have_result());
 237 }
 238
 239 TEST_F(UploadFileSystemFileElementReaderTest, Range) {
 240   const int kOffset = 2;
 241   const int kLength = file_data_.size() - kOffset * 3;
 242   reader_.reset(new UploadFileSystemFileElementReader(
 243       file_system_context_.get(), file_url_, kOffset, kLength, base::Time()));
 244   net::TestCompletionCallback init_callback;
 245   ASSERT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback.callback()));
 246   EXPECT_EQ(net::OK, init_callback.WaitForResult());
 247   EXPECT_EQ(static_cast<uint64>(kLength), reader_->GetContentLength());
 248   EXPECT_EQ(static_cast<uint64>(kLength), reader_->BytesRemaining());
 249   scoped_refptr<net::IOBufferWithSize> buf = new net::IOBufferWithSize(kLength);
 250   net::TestCompletionCallback read_callback;
 251   ASSERT_EQ(net::ERR_IO_PENDING,
 252             reader_->Read(buf.get(), buf->size(), read_callback.callback()));
 253   EXPECT_EQ(kLength, read_callback.WaitForResult());
 254   EXPECT_TRUE(std::equal(file_data_.begin() + kOffset,
 255                          file_data_.begin() + kOffset + kLength,
 256                          buf->data()));
 257 }
 258
 259 TEST_F(UploadFileSystemFileElementReaderTest, FileChanged) {
 260   // Expect one second before the actual modification time to simulate change.
 261   const base::Time expected_modification_time =
 262       file_modification_time_ - base::TimeDelta::FromSeconds(1);
 263   reader_.reset(
 264       new UploadFileSystemFileElementReader(file_system_context_.get(),
 265                                             file_url_,
 266                                             0,
 267                                             kuint64max,
 268                                             expected_modification_time));
 269   net::TestCompletionCallback init_callback;
 270   ASSERT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback.callback()));
 271   EXPECT_EQ(net::ERR_UPLOAD_FILE_CHANGED, init_callback.WaitForResult());
 272 }
 273
 274 TEST_F(UploadFileSystemFileElementReaderTest, WrongURL) {
 275   const GURL wrong_url = GetFileSystemURL("wrong_file_name.dat");
 276   reader_.reset(new UploadFileSystemFileElementReader(
 277       file_system_context_.get(), wrong_url, 0, kuint64max, base::Time()));
 278   net::TestCompletionCallback init_callback;
 279   ASSERT_EQ(net::ERR_IO_PENDING, reader_->Init(init_callback.callback()));
 280   EXPECT_EQ(net::ERR_FILE_NOT_FOUND, init_callback.WaitForResult());
 281 }
 282
 283 }  // namespace content