OBSOLETE: Move (most of) chrome/browser/chromeos/drive into components/drive.

chrome/browser/chromeos/drive/file_system/download_operation_unittest.cc

Index: chrome/browser/chromeos/drive/file_system/download_operation_unittest.cc
diff --git a/chrome/browser/chromeos/drive/file_system/download_operation_unittest.cc b/chrome/browser/chromeos/drive/file_system/download_operation_unittest.cc
deleted file mode 100644
index ea595830994b98c21345431c51af8c2872150d8a..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/drive/file_system/download_operation_unittest.cc
+++ /dev/null
@@ -1,505 +0,0 @@
-// Copyright 2013 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/drive/file_system/download_operation.h"
-
-#include "base/files/file_util.h"
-#include "base/task_runner_util.h"
-#include "chrome/browser/chromeos/drive/fake_free_disk_space_getter.h"
-#include "chrome/browser/chromeos/drive/file_cache.h"
-#include "chrome/browser/chromeos/drive/file_change.h"
-#include "chrome/browser/chromeos/drive/file_system/operation_test_base.h"
-#include "chrome/browser/chromeos/drive/file_system_core_util.h"
-#include "chrome/browser/chromeos/drive/job_scheduler.h"
-#include "components/drive/service/fake_drive_service.h"
-#include "content/public/test/test_utils.h"
-#include "google_apis/drive/test_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/cros_system_api/constants/cryptohome.h"
-
-namespace drive {
-namespace file_system {
-
-class DownloadOperationTest : public OperationTestBase {
- protected:
-  void SetUp() override {
-    OperationTestBase::SetUp();
-
-    operation_.reset(new DownloadOperation(
-        blocking_task_runner(), delegate(), scheduler(), metadata(), cache(),
-        temp_dir()));
-  }
-
-  scoped_ptr<DownloadOperation> operation_;
-};
-
-TEST_F(DownloadOperationTest,
-       EnsureFileDownloadedByPath_FromServer_EnoughSpace) {
-  base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
-  ResourceEntry src_entry;
-  ASSERT_EQ(FILE_ERROR_OK, GetLocalResourceEntry(file_in_root, &src_entry));
-  const int64 file_size = src_entry.file_info().size();
-
-  // Pretend we have enough space.
-  fake_free_disk_space_getter()->set_default_value(
-      file_size + cryptohome::kMinFreeSpaceInBytes);
-
-  FileError error = FILE_ERROR_FAILED;
-  base::FilePath file_path;
-  scoped_ptr<ResourceEntry> entry;
-  operation_->EnsureFileDownloadedByPath(
-      file_in_root,
-      ClientContext(USER_INITIATED),
-      GetFileContentInitializedCallback(),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &file_path, &entry));
-  content::RunAllBlockingPoolTasksUntilIdle();
-
-  EXPECT_EQ(FILE_ERROR_OK, error);
-  ASSERT_TRUE(entry);
-  EXPECT_FALSE(entry->file_specific_info().is_hosted_document());
-
-  // The transfered file is cached and the change of "offline available"
-  // attribute is notified.
-  EXPECT_EQ(1U, delegate()->get_changed_files().size());
-  EXPECT_EQ(1U, delegate()->get_changed_files().count(file_in_root));
-}
-
-TEST_F(DownloadOperationTest,
-       EnsureFileDownloadedByPath_FromServer_NoSpaceAtAll) {
-  base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
-
-  // Pretend we have no space at all.
-  fake_free_disk_space_getter()->set_default_value(0);
-
-  FileError error = FILE_ERROR_OK;
-  base::FilePath file_path;
-  scoped_ptr<ResourceEntry> entry;
-  operation_->EnsureFileDownloadedByPath(
-      file_in_root,
-      ClientContext(USER_INITIATED),
-      GetFileContentInitializedCallback(),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &file_path, &entry));
-  content::RunAllBlockingPoolTasksUntilIdle();
-
-  EXPECT_EQ(FILE_ERROR_NO_LOCAL_SPACE, error);
-}
-
-TEST_F(DownloadOperationTest,
-       EnsureFileDownloadedByPath_FromServer_NoEnoughSpaceButCanFreeUp) {
-  base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
-  ResourceEntry src_entry;
-  ASSERT_EQ(FILE_ERROR_OK, GetLocalResourceEntry(file_in_root, &src_entry));
-  const int64 file_size = src_entry.file_info().size();
-
-  // Make another file cached.
-  // This file's cache file will be removed to free up the disk space.
-  base::FilePath cached_file(
-      FILE_PATH_LITERAL("drive/root/Duplicate Name.txt"));
-  FileError error = FILE_ERROR_FAILED;
-  base::FilePath file_path;
-  scoped_ptr<ResourceEntry> entry;
-  operation_->EnsureFileDownloadedByPath(
-      cached_file,
-      ClientContext(USER_INITIATED),
-      GetFileContentInitializedCallback(),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &file_path, &entry));
-  content::RunAllBlockingPoolTasksUntilIdle();
-  EXPECT_EQ(FILE_ERROR_OK, error);
-  ASSERT_TRUE(entry);
-  EXPECT_TRUE(entry->file_specific_info().cache_state().is_present());
-
-  // Pretend we have no space first (checked before downloading a file),
-  // but then start reporting we have space. This is to emulate that
-  // the disk space was freed up by removing temporary files.
-  fake_free_disk_space_getter()->set_default_value(
-      file_size + cryptohome::kMinFreeSpaceInBytes);
-  fake_free_disk_space_getter()->PushFakeValue(0);
-
-  operation_->EnsureFileDownloadedByPath(
-      file_in_root,
-      ClientContext(USER_INITIATED),
-      GetFileContentInitializedCallback(),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &file_path, &entry));
-  content::RunAllBlockingPoolTasksUntilIdle();
-
-  EXPECT_EQ(FILE_ERROR_OK, error);
-  ASSERT_TRUE(entry);
-  EXPECT_FALSE(entry->file_specific_info().is_hosted_document());
-
-  // The transfered file is cached and the change of "offline available"
-  // attribute is notified.
-  EXPECT_EQ(2U, delegate()->get_changed_files().size());
-  EXPECT_TRUE(delegate()->get_changed_files().count(file_in_root));
-  EXPECT_TRUE(delegate()->get_changed_files().count(cached_file));
-
-  // The cache for the other file should be removed in order to free up space.
-  ResourceEntry cached_file_entry;
-  EXPECT_EQ(FILE_ERROR_OK,
-            GetLocalResourceEntry(cached_file, &cached_file_entry));
-  EXPECT_FALSE(
-      cached_file_entry.file_specific_info().cache_state().is_present());
-}
-
-TEST_F(DownloadOperationTest,
-       EnsureFileDownloadedByPath_FromServer_EnoughSpaceButBecomeFull) {
-  base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
-  ResourceEntry src_entry;
-  ASSERT_EQ(FILE_ERROR_OK, GetLocalResourceEntry(file_in_root, &src_entry));
-  const int64 file_size = src_entry.file_info().size();
-
-  // Pretend we have enough space first (checked before downloading a file),
-  // but then start reporting we have not enough space. This is to emulate that
-  // the disk space becomes full after the file is downloaded for some reason
-  // (ex. the actual file was larger than the expected size).
-  fake_free_disk_space_getter()->PushFakeValue(
-      file_size + cryptohome::kMinFreeSpaceInBytes);
-  fake_free_disk_space_getter()->set_default_value(
-      cryptohome::kMinFreeSpaceInBytes - 1);
-
-  FileError error = FILE_ERROR_OK;
-  base::FilePath file_path;
-  scoped_ptr<ResourceEntry> entry;
-  operation_->EnsureFileDownloadedByPath(
-      file_in_root,
-      ClientContext(USER_INITIATED),
-      GetFileContentInitializedCallback(),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &file_path, &entry));
-  content::RunAllBlockingPoolTasksUntilIdle();
-
-  EXPECT_EQ(FILE_ERROR_NO_LOCAL_SPACE, error);
-}
-
-TEST_F(DownloadOperationTest, EnsureFileDownloadedByPath_FromCache) {
-  base::FilePath temp_file;
-  ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir(), &temp_file));
-
-  base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
-  ResourceEntry src_entry;
-  ASSERT_EQ(FILE_ERROR_OK, GetLocalResourceEntry(file_in_root, &src_entry));
-
-  // Store something as cached version of this file.
-  FileError error = FILE_ERROR_OK;
-  base::PostTaskAndReplyWithResult(
-      blocking_task_runner(),
-      FROM_HERE,
-      base::Bind(&internal::FileCache::Store,
-                 base::Unretained(cache()),
-                 GetLocalId(file_in_root),
-                 src_entry.file_specific_info().md5(),
-                 temp_file,
-                 internal::FileCache::FILE_OPERATION_COPY),
-      google_apis::test_util::CreateCopyResultCallback(&error));
-  content::RunAllBlockingPoolTasksUntilIdle();
-  EXPECT_EQ(FILE_ERROR_OK, error);
-
-  base::FilePath file_path;
-  scoped_ptr<ResourceEntry> entry;
-  operation_->EnsureFileDownloadedByPath(
-      file_in_root,
-      ClientContext(USER_INITIATED),
-      GetFileContentInitializedCallback(),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &file_path, &entry));
-  content::RunAllBlockingPoolTasksUntilIdle();
-
-  EXPECT_EQ(FILE_ERROR_OK, error);
-  ASSERT_TRUE(entry);
-  EXPECT_FALSE(entry->file_specific_info().is_hosted_document());
-}
-
-TEST_F(DownloadOperationTest, EnsureFileDownloadedByPath_HostedDocument) {
-  base::FilePath file_in_root(FILE_PATH_LITERAL(
-      "drive/root/Document 1 excludeDir-test.gdoc"));
-
-  FileError error = FILE_ERROR_FAILED;
-  base::FilePath file_path;
-  scoped_ptr<ResourceEntry> entry;
-  operation_->EnsureFileDownloadedByPath(
-      file_in_root,
-      ClientContext(USER_INITIATED),
-      GetFileContentInitializedCallback(),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &file_path, &entry));
-  content::RunAllBlockingPoolTasksUntilIdle();
-
-  EXPECT_EQ(FILE_ERROR_OK, error);
-  ASSERT_TRUE(entry);
-  EXPECT_TRUE(entry->file_specific_info().is_hosted_document());
-  EXPECT_FALSE(file_path.empty());
-
-  EXPECT_EQ(GURL(entry->file_specific_info().alternate_url()),
-            util::ReadUrlFromGDocFile(file_path));
-  EXPECT_EQ(entry->resource_id(), util::ReadResourceIdFromGDocFile(file_path));
-  EXPECT_EQ(FILE_PATH_LITERAL(".gdoc"), file_path.Extension());
-}
-
-TEST_F(DownloadOperationTest, EnsureFileDownloadedByLocalId) {
-  base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
-  ResourceEntry src_entry;
-  ASSERT_EQ(FILE_ERROR_OK, GetLocalResourceEntry(file_in_root, &src_entry));
-
-  FileError error = FILE_ERROR_OK;
-  base::FilePath file_path;
-  scoped_ptr<ResourceEntry> entry;
-  operation_->EnsureFileDownloadedByLocalId(
-      GetLocalId(file_in_root),
-      ClientContext(USER_INITIATED),
-      GetFileContentInitializedCallback(),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &file_path, &entry));
-  content::RunAllBlockingPoolTasksUntilIdle();
-
-  EXPECT_EQ(FILE_ERROR_OK, error);
-  ASSERT_TRUE(entry);
-  EXPECT_FALSE(entry->file_specific_info().is_hosted_document());
-
-  // The transfered file is cached and the change of "offline available"
-  // attribute is notified.
-  EXPECT_EQ(1U, delegate()->get_changed_files().size());
-  EXPECT_EQ(1U, delegate()->get_changed_files().count(file_in_root));
-}
-
-TEST_F(DownloadOperationTest,
-       EnsureFileDownloadedByPath_WithGetContentCallback) {
-  base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
-
-  {
-    FileError initialized_error = FILE_ERROR_FAILED;
-    scoped_ptr<ResourceEntry> entry, entry_dontcare;
-    base::FilePath local_path, local_path_dontcare;
-    google_apis::test_util::TestGetContentCallback get_content_callback;
-    FileError completion_error = FILE_ERROR_FAILED;
-    base::Closure cancel_download = operation_->EnsureFileDownloadedByPath(
-        file_in_root,
-        ClientContext(USER_INITIATED),
-        google_apis::test_util::CreateCopyResultCallback(
-            &initialized_error, &local_path, &entry),
-        get_content_callback.callback(),
-        google_apis::test_util::CreateCopyResultCallback(
-            &completion_error, &local_path_dontcare, &entry_dontcare));
-    content::RunAllBlockingPoolTasksUntilIdle();
-
-    // For the first time, file is downloaded from the remote server.
-    // In this case, |local_path| is empty.
-    EXPECT_EQ(FILE_ERROR_OK, initialized_error);
-    ASSERT_TRUE(entry);
-    ASSERT_TRUE(local_path.empty());
-    EXPECT_FALSE(cancel_download.is_null());
-    // Content is available through the second callback argument.
-    EXPECT_EQ(static_cast<size_t>(entry->file_info().size()),
-              get_content_callback.GetConcatenatedData().size());
-    EXPECT_EQ(FILE_ERROR_OK, completion_error);
-
-    // The transfered file is cached and the change of "offline available"
-    // attribute is notified.
-    EXPECT_EQ(1U, delegate()->get_changed_files().size());
-    EXPECT_EQ(1U, delegate()->get_changed_files().count(file_in_root));
-  }
-
-  {
-    FileError initialized_error = FILE_ERROR_FAILED;
-    scoped_ptr<ResourceEntry> entry, entry_dontcare;
-    base::FilePath local_path, local_path_dontcare;
-    google_apis::test_util::TestGetContentCallback get_content_callback;
-    FileError completion_error = FILE_ERROR_FAILED;
-    base::Closure cancel_download = operation_->EnsureFileDownloadedByPath(
-        file_in_root,
-        ClientContext(USER_INITIATED),
-        google_apis::test_util::CreateCopyResultCallback(
-            &initialized_error, &local_path, &entry),
-        get_content_callback.callback(),
-        google_apis::test_util::CreateCopyResultCallback(
-            &completion_error, &local_path_dontcare, &entry_dontcare));
-    content::RunAllBlockingPoolTasksUntilIdle();
-
-    // Try second download. In this case, the file should be cached, so
-    // |local_path| should not be empty.
-    EXPECT_EQ(FILE_ERROR_OK, initialized_error);
-    ASSERT_TRUE(entry);
-    ASSERT_TRUE(!local_path.empty());
-    EXPECT_FALSE(cancel_download.is_null());
-    // The content is available from the cache file.
-    EXPECT_TRUE(get_content_callback.data().empty());
-    int64 local_file_size = 0;
-    base::GetFileSize(local_path, &local_file_size);
-    EXPECT_EQ(entry->file_info().size(), local_file_size);
-    EXPECT_EQ(FILE_ERROR_OK, completion_error);
-  }
-}
-
-TEST_F(DownloadOperationTest, EnsureFileDownloadedByLocalId_FromCache) {
-  base::FilePath temp_file;
-  ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir(), &temp_file));
-
-  base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
-  ResourceEntry src_entry;
-  ASSERT_EQ(FILE_ERROR_OK, GetLocalResourceEntry(file_in_root, &src_entry));
-
-  // Store something as cached version of this file.
-  FileError error = FILE_ERROR_FAILED;
-  base::PostTaskAndReplyWithResult(
-      blocking_task_runner(),
-      FROM_HERE,
-      base::Bind(&internal::FileCache::Store,
-                 base::Unretained(cache()),
-                 GetLocalId(file_in_root),
-                 src_entry.file_specific_info().md5(),
-                 temp_file,
-                 internal::FileCache::FILE_OPERATION_COPY),
-      google_apis::test_util::CreateCopyResultCallback(&error));
-  content::RunAllBlockingPoolTasksUntilIdle();
-  EXPECT_EQ(FILE_ERROR_OK, error);
-
-  // The file is obtained from the cache.
-  // Hence the downloading should work even if the drive service is offline.
-  fake_service()->set_offline(true);
-
-  base::FilePath file_path;
-  scoped_ptr<ResourceEntry> entry;
-  operation_->EnsureFileDownloadedByLocalId(
-      GetLocalId(file_in_root),
-      ClientContext(USER_INITIATED),
-      GetFileContentInitializedCallback(),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &file_path, &entry));
-  content::RunAllBlockingPoolTasksUntilIdle();
-
-  EXPECT_EQ(FILE_ERROR_OK, error);
-  ASSERT_TRUE(entry);
-  EXPECT_FALSE(entry->file_specific_info().is_hosted_document());
-}
-
-TEST_F(DownloadOperationTest, EnsureFileDownloadedByPath_DirtyCache) {
-  base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
-  ResourceEntry src_entry;
-  ASSERT_EQ(FILE_ERROR_OK, GetLocalResourceEntry(file_in_root, &src_entry));
-
-  // Prepare a dirty file to store to cache that has a different size than
-  // stored in resource metadata.
-  base::FilePath dirty_file = temp_dir().AppendASCII("dirty.txt");
-  size_t dirty_size = src_entry.file_info().size() + 10;
-  google_apis::test_util::WriteStringToFile(dirty_file,
-                                            std::string(dirty_size, 'x'));
-
-  // Store the file as a cache, marking it to be dirty.
-  FileError error = FILE_ERROR_FAILED;
-  base::PostTaskAndReplyWithResult(
-      blocking_task_runner(),
-      FROM_HERE,
-      base::Bind(&internal::FileCache::Store,
-                 base::Unretained(cache()),
-                 GetLocalId(file_in_root),
-                 std::string(),
-                 dirty_file,
-                 internal::FileCache::FILE_OPERATION_COPY),
-      google_apis::test_util::CreateCopyResultCallback(&error));
-  content::RunAllBlockingPoolTasksUntilIdle();
-  EXPECT_EQ(FILE_ERROR_OK, error);
-
-  // Record values passed to GetFileContentInitializedCallback().
-  FileError init_error;
-  base::FilePath init_path;
-  scoped_ptr<ResourceEntry> init_entry;
-  base::FilePath file_path;
-  scoped_ptr<ResourceEntry> entry;
-  base::Closure cancel_callback = operation_->EnsureFileDownloadedByPath(
-      file_in_root,
-      ClientContext(USER_INITIATED),
-      google_apis::test_util::CreateCopyResultCallback(
-          &init_error, &init_path, &init_entry),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &file_path, &entry));
-  content::RunAllBlockingPoolTasksUntilIdle();
-
-  EXPECT_EQ(FILE_ERROR_OK, error);
-  // Check that the result of local modification is propagated.
-  EXPECT_EQ(static_cast<int64>(dirty_size), init_entry->file_info().size());
-  EXPECT_EQ(static_cast<int64>(dirty_size), entry->file_info().size());
-}
-
-TEST_F(DownloadOperationTest, EnsureFileDownloadedByPath_LocallyCreatedFile) {
-  // Add a new file with an empty resource ID.
-  base::FilePath file_path(FILE_PATH_LITERAL("drive/root/New File.txt"));
-  ResourceEntry parent;
-  ASSERT_EQ(FILE_ERROR_OK, GetLocalResourceEntry(file_path.DirName(), &parent));
-
-  ResourceEntry new_file;
-  new_file.set_title("New File.txt");
-  new_file.set_parent_local_id(parent.local_id());
-
-  FileError error = FILE_ERROR_FAILED;
-  std::string local_id;
-  base::PostTaskAndReplyWithResult(
-      blocking_task_runner(),
-      FROM_HERE,
-      base::Bind(&internal::ResourceMetadata::AddEntry,
-                 base::Unretained(metadata()),
-                 new_file,
-                 &local_id),
-      google_apis::test_util::CreateCopyResultCallback(&error));
-  content::RunAllBlockingPoolTasksUntilIdle();
-  EXPECT_EQ(FILE_ERROR_OK, error);
-
-  // Empty cache file should be returned.
-  base::FilePath cache_file_path;
-  scoped_ptr<ResourceEntry> entry;
-  operation_->EnsureFileDownloadedByPath(
-      file_path,
-      ClientContext(USER_INITIATED),
-      GetFileContentInitializedCallback(),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &cache_file_path, &entry));
-  content::RunAllBlockingPoolTasksUntilIdle();
-  EXPECT_EQ(FILE_ERROR_OK, error);
-
-  int64 cache_file_size = 0;
-  EXPECT_TRUE(base::GetFileSize(cache_file_path, &cache_file_size));
-  EXPECT_EQ(static_cast<int64>(0), cache_file_size);
-  ASSERT_TRUE(entry);
-  EXPECT_EQ(cache_file_size, entry->file_info().size());
-}
-
-TEST_F(DownloadOperationTest, CancelBeforeDownloadStarts) {
-  base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
-  ResourceEntry src_entry;
-  ASSERT_EQ(FILE_ERROR_OK, GetLocalResourceEntry(file_in_root, &src_entry));
-
-  // Start operation.
-  FileError error = FILE_ERROR_OK;
-  base::FilePath file_path;
-  scoped_ptr<ResourceEntry> entry;
-  base::Closure cancel_closure = operation_->EnsureFileDownloadedByLocalId(
-      GetLocalId(file_in_root),
-      ClientContext(USER_INITIATED),
-      GetFileContentInitializedCallback(),
-      google_apis::GetContentCallback(),
-      google_apis::test_util::CreateCopyResultCallback(
-          &error, &file_path, &entry));
-
-  // Cancel immediately.
-  ASSERT_FALSE(cancel_closure.is_null());
-  cancel_closure.Run();
-  content::RunAllBlockingPoolTasksUntilIdle();
-
-  EXPECT_EQ(FILE_ERROR_ABORT, error);
-}
-
-}  // namespace file_system
-}  // namespace drive