Add tests for sync performes about HTTP_FORBIDDEN handling

chrome/browser/chromeos/drive/sync/remove_performer_unittest.cc

 // 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/sync/remove_performer.h"
 
 #include "base/task_runner_util.h"
 #include "chrome/browser/chromeos/drive/file_system/operation_test_base.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/job_scheduler.h"
@@ skipping 130 matching lines @@
   EXPECT_EQ(FILE_ERROR_OK, error);
 
   // Remove the entry.
   performer.Remove(local_id, ClientContext(USER_INITIATED),
                    google_apis::test_util::CreateCopyResultCallback(&error));
   content::RunAllBlockingPoolTasksUntilIdle();
   EXPECT_EQ(FILE_ERROR_OK, error);
   EXPECT_EQ(FILE_ERROR_NOT_FOUND, GetLocalResourceEntryById(local_id, &entry));
 }
 
+TEST_F(RemovePerformerTest, Remove_InsufficientPermission) {
+  RemovePerformer performer(blocking_task_runner(), delegate(), scheduler(),
+                            metadata());
+
+  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));
+
+  // Remove locally.
+  ResourceEntry updated_entry(src_entry);
+  updated_entry.set_parent_local_id(util::kDriveTrashDirLocalId);
+
+  FileError error = FILE_ERROR_FAILED;
+  base::PostTaskAndReplyWithResult(
+      blocking_task_runner(),
+      FROM_HERE,
+      base::Bind(&ResourceMetadata::RefreshEntry,
+                 base::Unretained(metadata()),
+                 updated_entry),
+      google_apis::test_util::CreateCopyResultCallback(&error));
+  content::RunAllBlockingPoolTasksUntilIdle();
+  EXPECT_EQ(FILE_ERROR_OK, error);
+
+  // Set user permission to forbid server side update.
+  EXPECT_EQ(google_apis::HTTP_SUCCESS, fake_service()->SetUserPermission(
+      src_entry.resource_id(), google_apis::drive::PERMISSION_ROLE_READER));
+
+  // Try to perform remove.
+  error = FILE_ERROR_FAILED;
+  performer.Remove(src_entry.local_id(),
+                   ClientContext(USER_INITIATED),
+                   google_apis::test_util::CreateCopyResultCallback(&error));
+  content::RunAllBlockingPoolTasksUntilIdle();
+  EXPECT_EQ(FILE_ERROR_OK, error);
+
+  // This should result in reverting the local change.
+  ResourceEntry result_entry;
+  EXPECT_EQ(FILE_ERROR_OK,
+            GetLocalResourceEntryById(src_entry.local_id(), &result_entry));
+  EXPECT_EQ(src_entry.parent_local_id(), result_entry.parent_local_id());
+
+  ASSERT_EQ(1U, delegate()->drive_sync_errors().size());
+  EXPECT_EQ(file_system::DRIVE_SYNC_ERROR_DELETE_WITHOUT_PERMISSION,
+            delegate()->drive_sync_errors()[0]);
+}
+
 }  // namespace internal
 }  // namespace drive