[fsp] Add support for providing thumbnails.

chrome/browser/chromeos/file_system_provider/fileapi/file_stream_reader_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/file_system_provider/fileapi/file_stream_reader.h"
 
 #include <string>
 #include <vector>
 
 #include "base/files/file.h"
@@ skipping 63 matching lines @@
 // TearDown().
 KeyedService* CreateService(content::BrowserContext* context) {
   return new Service(Profile::FromBrowserContext(context),
                      extensions::ExtensionRegistry::Get(context));
 }
 
 }  // namespace
 
 class FileSystemProviderFileStreamReader : public testing::Test {
  protected:
-  FileSystemProviderFileStreamReader() {}
+  FileSystemProviderFileStreamReader() : profile_(NULL), fake_file_(NULL) {}
   virtual ~FileSystemProviderFileStreamReader() {}
 
   virtual void SetUp() OVERRIDE {
     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
     profile_manager_.reset(
         new TestingProfileManager(TestingBrowserProcess::GetGlobal()));
     ASSERT_TRUE(profile_manager_->SetUp());
     profile_ = profile_manager_->CreateTestingProfile("testing-profile");
 
     ServiceFactory::GetInstance()->SetTestingFactory(profile_, &CreateService);
     Service* service = Service::Get(profile_);  // Owned by its factory.
     service->SetFileSystemFactoryForTesting(
         base::Bind(&FakeProvidedFileSystem::Create));
 
     const bool result = service->MountFileSystem(kExtensionId,
                                                  kFileSystemId,
                                                  "Testing File System",
                                                  false /* writable */);
     ASSERT_TRUE(result);
     FakeProvidedFileSystem* provided_file_system =
         static_cast<FakeProvidedFileSystem*>(
             service->GetProvidedFileSystem(kExtensionId, kFileSystemId));
     ASSERT_TRUE(provided_file_system);
-    ASSERT_TRUE(provided_file_system->GetEntry(
-        base::FilePath::FromUTF8Unsafe(kFakeFilePath), &fake_file_));
+    fake_file_ = provided_file_system->GetEntry(
+        base::FilePath::FromUTF8Unsafe(kFakeFilePath));
+    ASSERT_TRUE(fake_file_);
     const ProvidedFileSystemInfo& file_system_info =
         service->GetProvidedFileSystem(kExtensionId, kFileSystemId)
             ->GetFileSystemInfo();
     const std::string mount_point_name =
         file_system_info.mount_path().BaseName().AsUTF8Unsafe();
 
     file_url_ = CreateFileSystemURL(
         mount_point_name, base::FilePath::FromUTF8Unsafe(kFakeFilePath + 1));
     ASSERT_TRUE(file_url_.is_valid());
     wrong_file_url_ = CreateFileSystemURL(
         mount_point_name, base::FilePath::FromUTF8Unsafe("im-not-here.txt"));
     ASSERT_TRUE(wrong_file_url_.is_valid());
   }
 
   virtual void TearDown() OVERRIDE {
     // Setting the testing factory to NULL will destroy the created service
     // associated with the testing profile.
     ServiceFactory::GetInstance()->SetTestingFactory(profile_, NULL);
   }
 
   content::TestBrowserThreadBundle thread_bundle_;
   base::ScopedTempDir data_dir_;
   scoped_ptr<TestingProfileManager> profile_manager_;
-  TestingProfile* profile_;  // Owned by TestingProfileManager.
-  FakeEntry fake_file_;
+  TestingProfile* profile_;     // Owned by TestingProfileManager.
+  const FakeEntry* fake_file_;  // Owned by FakePRovidedFileSystem.
   storage::FileSystemURL file_url_;
   storage::FileSystemURL wrong_file_url_;
 };
 
 TEST_F(FileSystemProviderFileStreamReader, Read_AllAtOnce) {
   EventLogger logger;
 
   const int64 initial_offset = 0;
   FileStreamReader reader(
-      NULL, file_url_, initial_offset, fake_file_.metadata.modification_time);
+      NULL, file_url_, initial_offset, fake_file_->metadata->modification_time);
   scoped_refptr<net::IOBuffer> io_buffer(
-      new net::IOBuffer(fake_file_.metadata.size));
+      new net::IOBuffer(fake_file_->metadata->size));
 
   const int result =
       reader.Read(io_buffer.get(),
-                  fake_file_.metadata.size,
+                  fake_file_->metadata->size,
                   base::Bind(&EventLogger::OnRead, logger.GetWeakPtr()));
   EXPECT_EQ(net::ERR_IO_PENDING, result);
   base::RunLoop().RunUntilIdle();
 
   ASSERT_EQ(1u, logger.results().size());
   EXPECT_LT(0, logger.results()[0]);
-  EXPECT_EQ(fake_file_.metadata.size, logger.results()[0]);
+  EXPECT_EQ(fake_file_->metadata->size, logger.results()[0]);
 
-  std::string buffer_as_string(io_buffer->data(), fake_file_.metadata.size);
-  EXPECT_EQ(fake_file_.contents, buffer_as_string);
+  std::string buffer_as_string(io_buffer->data(), fake_file_->metadata->size);
+  EXPECT_EQ(fake_file_->contents, buffer_as_string);
 }
 
 TEST_F(FileSystemProviderFileStreamReader, Read_WrongFile) {
   EventLogger logger;
 
   const int64 initial_offset = 0;
   FileStreamReader reader(NULL,
                           wrong_file_url_,
                           initial_offset,
-                          fake_file_.metadata.modification_time);
+                          fake_file_->metadata->modification_time);
   scoped_refptr<net::IOBuffer> io_buffer(
-      new net::IOBuffer(fake_file_.metadata.size));
+      new net::IOBuffer(fake_file_->metadata->size));
 
   const int result =
       reader.Read(io_buffer.get(),
-                  fake_file_.metadata.size,
+                  fake_file_->metadata->size,
                   base::Bind(&EventLogger::OnRead, logger.GetWeakPtr()));
   EXPECT_EQ(net::ERR_IO_PENDING, result);
   base::RunLoop().RunUntilIdle();
 
   ASSERT_EQ(1u, logger.results().size());
   EXPECT_EQ(net::ERR_FILE_NOT_FOUND, logger.results()[0]);
 }
 
 TEST_F(FileSystemProviderFileStreamReader, Read_InChunks) {
   EventLogger logger;
 
   const int64 initial_offset = 0;
   FileStreamReader reader(
-      NULL, file_url_, initial_offset, fake_file_.metadata.modification_time);
+      NULL, file_url_, initial_offset, fake_file_->metadata->modification_time);
 
-  for (int64 offset = 0; offset < fake_file_.metadata.size; ++offset) {
+  for (int64 offset = 0; offset < fake_file_->metadata->size; ++offset) {
     scoped_refptr<net::IOBuffer> io_buffer(new net::IOBuffer(1));
     const int result =
         reader.Read(io_buffer.get(),
                     1,
                     base::Bind(&EventLogger::OnRead, logger.GetWeakPtr()));
     EXPECT_EQ(net::ERR_IO_PENDING, result);
     base::RunLoop().RunUntilIdle();
     ASSERT_EQ(offset + 1, static_cast<int64>(logger.results().size()));
     EXPECT_EQ(1, logger.results()[offset]);
-    EXPECT_EQ(fake_file_.contents[offset], io_buffer->data()[0]);
+    EXPECT_EQ(fake_file_->contents[offset], io_buffer->data()[0]);
   }
 }
 
 TEST_F(FileSystemProviderFileStreamReader, Read_Slice) {
   EventLogger logger;
 
   // Trim first 3 and last 3 characters.
   const int64 initial_offset = 3;
-  const int length = fake_file_.metadata.size - initial_offset - 3;
-  ASSERT_GT(fake_file_.metadata.size, initial_offset);
+  const int length = fake_file_->metadata->size - initial_offset - 3;
+  ASSERT_GT(fake_file_->metadata->size, initial_offset);
   ASSERT_LT(0, length);
 
   FileStreamReader reader(
-      NULL, file_url_, initial_offset, fake_file_.metadata.modification_time);
+      NULL, file_url_, initial_offset, fake_file_->metadata->modification_time);
   scoped_refptr<net::IOBuffer> io_buffer(new net::IOBuffer(length));
 
   const int result =
       reader.Read(io_buffer.get(),
                   length,
                   base::Bind(&EventLogger::OnRead, logger.GetWeakPtr()));
   EXPECT_EQ(net::ERR_IO_PENDING, result);
   base::RunLoop().RunUntilIdle();
 
   ASSERT_EQ(1u, logger.results().size());
   EXPECT_EQ(length, logger.results()[0]);
 
   std::string buffer_as_string(io_buffer->data(), length);
-  std::string expected_buffer(fake_file_.contents.data() + initial_offset,
+  std::string expected_buffer(fake_file_->contents.data() + initial_offset,
                               length);
   EXPECT_EQ(expected_buffer, buffer_as_string);
 }
 
 TEST_F(FileSystemProviderFileStreamReader, Read_Beyond) {
   EventLogger logger;
 
   // Request reading 1KB more than available.
   const int64 initial_offset = 0;
-  const int length = fake_file_.metadata.size + 1024;
+  const int length = fake_file_->metadata->size + 1024;
 
   FileStreamReader reader(
-      NULL, file_url_, initial_offset, fake_file_.metadata.modification_time);
+      NULL, file_url_, initial_offset, fake_file_->metadata->modification_time);
   scoped_refptr<net::IOBuffer> io_buffer(new net::IOBuffer(length));
 
   const int result =
       reader.Read(io_buffer.get(),
                   length,
                   base::Bind(&EventLogger::OnRead, logger.GetWeakPtr()));
   EXPECT_EQ(net::ERR_IO_PENDING, result);
   base::RunLoop().RunUntilIdle();
 
   ASSERT_EQ(1u, logger.results().size());
   EXPECT_LT(0, logger.results()[0]);
-  EXPECT_EQ(fake_file_.metadata.size, logger.results()[0]);
+  EXPECT_EQ(fake_file_->metadata->size, logger.results()[0]);
 
-  std::string buffer_as_string(io_buffer->data(), fake_file_.metadata.size);
-  EXPECT_EQ(fake_file_.contents, buffer_as_string);
+  std::string buffer_as_string(io_buffer->data(), fake_file_->metadata->size);
+  EXPECT_EQ(fake_file_->contents, buffer_as_string);
 }
 
 TEST_F(FileSystemProviderFileStreamReader, Read_ModifiedFile) {
   EventLogger logger;
 
   const int64 initial_offset = 0;
   FileStreamReader reader(NULL, file_url_, initial_offset, base::Time::Max());
 
   scoped_refptr<net::IOBuffer> io_buffer(
-      new net::IOBuffer(fake_file_.metadata.size));
+      new net::IOBuffer(fake_file_->metadata->size));
   const int result =
       reader.Read(io_buffer.get(),
-                  fake_file_.metadata.size,
+                  fake_file_->metadata->size,
                   base::Bind(&EventLogger::OnRead, logger.GetWeakPtr()));
 
   EXPECT_EQ(net::ERR_IO_PENDING, result);
   base::RunLoop().RunUntilIdle();
 
   ASSERT_EQ(1u, logger.results().size());
   EXPECT_EQ(net::ERR_UPLOAD_FILE_CHANGED, logger.results()[0]);
 }
 
 TEST_F(FileSystemProviderFileStreamReader, Read_ExpectedModificationTimeNull) {
   EventLogger logger;
 
   const int64 initial_offset = 0;
   FileStreamReader reader(NULL, file_url_, initial_offset, base::Time());
 
   scoped_refptr<net::IOBuffer> io_buffer(
-      new net::IOBuffer(fake_file_.metadata.size));
+      new net::IOBuffer(fake_file_->metadata->size));
   const int result =
       reader.Read(io_buffer.get(),
-                  fake_file_.metadata.size,
+                  fake_file_->metadata->size,
                   base::Bind(&EventLogger::OnRead, logger.GetWeakPtr()));
 
   EXPECT_EQ(net::ERR_IO_PENDING, result);
   base::RunLoop().RunUntilIdle();
 
   ASSERT_EQ(1u, logger.results().size());
-  EXPECT_EQ(fake_file_.metadata.size, logger.results()[0]);
+  EXPECT_EQ(fake_file_->metadata->size, logger.results()[0]);
 
-  std::string buffer_as_string(io_buffer->data(), fake_file_.metadata.size);
-  EXPECT_EQ(fake_file_.contents, buffer_as_string);
+  std::string buffer_as_string(io_buffer->data(), fake_file_->metadata->size);
+  EXPECT_EQ(fake_file_->contents, buffer_as_string);
 }
 
 TEST_F(FileSystemProviderFileStreamReader, GetLength) {
   EventLogger logger;
 
   const int64 initial_offset = 0;
   FileStreamReader reader(
-      NULL, file_url_, initial_offset, fake_file_.metadata.modification_time);
+      NULL, file_url_, initial_offset, fake_file_->metadata->modification_time);
 
   const int result = reader.GetLength(
       base::Bind(&EventLogger::OnGetLength, logger.GetWeakPtr()));
   EXPECT_EQ(net::ERR_IO_PENDING, result);
   base::RunLoop().RunUntilIdle();
 
   ASSERT_EQ(1u, logger.results().size());
   EXPECT_LT(0, logger.results()[0]);
-  EXPECT_EQ(fake_file_.metadata.size, logger.results()[0]);
+  EXPECT_EQ(fake_file_->metadata->size, logger.results()[0]);
 }
 
 TEST_F(FileSystemProviderFileStreamReader, GetLength_WrongFile) {
   EventLogger logger;
 
   const int64 initial_offset = 0;
   FileStreamReader reader(NULL,
                           wrong_file_url_,
                           initial_offset,
-                          fake_file_.metadata.modification_time);
+                          fake_file_->metadata->modification_time);
 
   const int result = reader.GetLength(
       base::Bind(&EventLogger::OnGetLength, logger.GetWeakPtr()));
   EXPECT_EQ(net::ERR_IO_PENDING, result);
   base::RunLoop().RunUntilIdle();
 
   ASSERT_EQ(1u, logger.results().size());
   EXPECT_EQ(net::ERR_FILE_NOT_FOUND, logger.results()[0]);
 }
 
@@ skipping 19 matching lines @@
   const int64 initial_offset = 0;
   FileStreamReader reader(NULL, file_url_, initial_offset, base::Time());
 
   const int result = reader.GetLength(
       base::Bind(&EventLogger::OnGetLength, logger.GetWeakPtr()));
   EXPECT_EQ(net::ERR_IO_PENDING, result);
   base::RunLoop().RunUntilIdle();
 
   ASSERT_EQ(1u, logger.results().size());
   EXPECT_LT(0, logger.results()[0]);
-  EXPECT_EQ(fake_file_.metadata.size, logger.results()[0]);
+  EXPECT_EQ(fake_file_->metadata->size, logger.results()[0]);
 }
 
 }  // namespace file_system_provider
 }  // namespace chromeos