[fsp] Add support for observing entries and notifying about changes.

chrome/browser/chromeos/file_system_provider/operations/observe_directory_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/operations/create_directory.h"
+#include "chrome/browser/chromeos/file_system_provider/operations/observe_directory.h"
 
 #include <string>
 #include <vector>
 
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "chrome/browser/chromeos/file_system_provider/operations/test_util.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h"
 #include "chrome/common/extensions/api/file_system_provider.h"
 #include "chrome/common/extensions/api/file_system_provider_internal.h"
 #include "extensions/browser/event_router.h"
 #include "storage/browser/fileapi/async_file_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromeos {
 namespace file_system_provider {
 namespace operations {
 namespace {
 
 const char kExtensionId[] = "mbflcebpggnecokmikipoihdbecnjfoj";
 const char kFileSystemId[] = "testing-file-system";
 const int kRequestId = 2;
 const base::FilePath::CharType kDirectoryPath[] = "/kitty/and/puppy/happy";
 
 }  // namespace
 
-class FileSystemProviderOperationsCreateDirectoryTest : public testing::Test {
+class FileSystemProviderOperationsObserveDirectoryTest : public testing::Test {
  protected:
-  FileSystemProviderOperationsCreateDirectoryTest() {}
-  virtual ~FileSystemProviderOperationsCreateDirectoryTest() {}
+  FileSystemProviderOperationsObserveDirectoryTest() {}
+  virtual ~FileSystemProviderOperationsObserveDirectoryTest() {}
 
   virtual void SetUp() override {
     file_system_info_ =
         ProvidedFileSystemInfo(kExtensionId,
                                kFileSystemId,
                                "" /* file_system_name */,
-                               true /* writable */,
+                               false /* writable */,
+                               false /* supports_notify_tag */,
                                base::FilePath() /* mount_path */);
   }
 
   ProvidedFileSystemInfo file_system_info_;
 };
 
-TEST_F(FileSystemProviderOperationsCreateDirectoryTest, Execute) {
-  using extensions::api::file_system_provider::CreateDirectoryRequestedOptions;
+TEST_F(FileSystemProviderOperationsObserveDirectoryTest, Execute) {
+  using extensions::api::file_system_provider::ObserveDirectoryRequestedOptions;
 
   util::LoggingDispatchEventImpl dispatcher(true /* dispatch_reply */);
   util::StatusCallbackLog callback_log;
 
-  CreateDirectory create_directory(
+  ObserveDirectory observe_directory(
       NULL,
       file_system_info_,
       base::FilePath::FromUTF8Unsafe(kDirectoryPath),
       true /* recursive */,
       base::Bind(&util::LogStatusCallback, &callback_log));
-  create_directory.SetDispatchEventImplForTesting(
+  observe_directory.SetDispatchEventImplForTesting(
       base::Bind(&util::LoggingDispatchEventImpl::OnDispatchEventImpl,
                  base::Unretained(&dispatcher)));
 
-  EXPECT_TRUE(create_directory.Execute(kRequestId));
+  EXPECT_TRUE(observe_directory.Execute(kRequestId));
 
   ASSERT_EQ(1u, dispatcher.events().size());
   extensions::Event* event = dispatcher.events()[0];
-  EXPECT_EQ(extensions::api::file_system_provider::OnCreateDirectoryRequested::
+  EXPECT_EQ(extensions::api::file_system_provider::OnObserveDirectoryRequested::
                 kEventName,
             event->event_name);
   base::ListValue* event_args = event->event_args.get();
   ASSERT_EQ(1u, event_args->GetSize());
 
   const base::DictionaryValue* options_as_value = NULL;
   ASSERT_TRUE(event_args->GetDictionary(0, &options_as_value));
 
-  CreateDirectoryRequestedOptions options;
+  ObserveDirectoryRequestedOptions options;
   ASSERT_TRUE(
-      CreateDirectoryRequestedOptions::Populate(*options_as_value, &options));
+      ObserveDirectoryRequestedOptions::Populate(*options_as_value, &options));
   EXPECT_EQ(kFileSystemId, options.file_system_id);
   EXPECT_EQ(kRequestId, options.request_id);
   EXPECT_EQ(kDirectoryPath, options.directory_path);
   EXPECT_TRUE(options.recursive);
 }
 
-TEST_F(FileSystemProviderOperationsCreateDirectoryTest, Execute_NoListener) {
+TEST_F(FileSystemProviderOperationsObserveDirectoryTest, Execute_NoListener) {
   util::LoggingDispatchEventImpl dispatcher(false /* dispatch_reply */);
   util::StatusCallbackLog callback_log;
 
-  CreateDirectory create_directory(
+  ObserveDirectory observe_directory(
       NULL,
       file_system_info_,
       base::FilePath::FromUTF8Unsafe(kDirectoryPath),
       true /* recursive */,
       base::Bind(&util::LogStatusCallback, &callback_log));
-  create_directory.SetDispatchEventImplForTesting(
+  observe_directory.SetDispatchEventImplForTesting(
       base::Bind(&util::LoggingDispatchEventImpl::OnDispatchEventImpl,
                  base::Unretained(&dispatcher)));
 
-  EXPECT_FALSE(create_directory.Execute(kRequestId));
+  EXPECT_FALSE(observe_directory.Execute(kRequestId));
 }
 
-TEST_F(FileSystemProviderOperationsCreateDirectoryTest, Execute_ReadOnly) {
+TEST_F(FileSystemProviderOperationsObserveDirectoryTest, OnSuccess) {
   util::LoggingDispatchEventImpl dispatcher(true /* dispatch_reply */);
   util::StatusCallbackLog callback_log;
 
-  const ProvidedFileSystemInfo read_only_file_system_info(
-      kExtensionId,
-      kFileSystemId,
-      "" /* file_system_name */,
-      false /* writable */,
-      base::FilePath() /* mount_path */);
-
-  CreateDirectory create_directory(
-      NULL,
-      read_only_file_system_info,
-      base::FilePath::FromUTF8Unsafe(kDirectoryPath),
-      true /* recursive */,
-      base::Bind(&util::LogStatusCallback, &callback_log));
-  create_directory.SetDispatchEventImplForTesting(
-      base::Bind(&util::LoggingDispatchEventImpl::OnDispatchEventImpl,
-                 base::Unretained(&dispatcher)));
-
-  EXPECT_FALSE(create_directory.Execute(kRequestId));
-}
-
-TEST_F(FileSystemProviderOperationsCreateDirectoryTest, OnSuccess) {
-  util::LoggingDispatchEventImpl dispatcher(true /* dispatch_reply */);
-  util::StatusCallbackLog callback_log;
-
-  CreateDirectory create_directory(
+  ObserveDirectory observe_directory(
       NULL,
       file_system_info_,
       base::FilePath::FromUTF8Unsafe(kDirectoryPath),
       true /* recursive */,
       base::Bind(&util::LogStatusCallback, &callback_log));
-  create_directory.SetDispatchEventImplForTesting(
+  observe_directory.SetDispatchEventImplForTesting(
       base::Bind(&util::LoggingDispatchEventImpl::OnDispatchEventImpl,
                  base::Unretained(&dispatcher)));
 
-  EXPECT_TRUE(create_directory.Execute(kRequestId));
+  EXPECT_TRUE(observe_directory.Execute(kRequestId));
 
-  create_directory.OnSuccess(kRequestId,
-                             scoped_ptr<RequestValue>(new RequestValue()),
-                             false /* has_more */);
+  observe_directory.OnSuccess(kRequestId,
+                              scoped_ptr<RequestValue>(new RequestValue()),
+                              false /* has_more */);
   ASSERT_EQ(1u, callback_log.size());
   EXPECT_EQ(base::File::FILE_OK, callback_log[0]);
 }
 
-TEST_F(FileSystemProviderOperationsCreateDirectoryTest, OnError) {
+TEST_F(FileSystemProviderOperationsObserveDirectoryTest, OnError) {
   util::LoggingDispatchEventImpl dispatcher(true /* dispatch_reply */);
   util::StatusCallbackLog callback_log;
 
-  CreateDirectory create_directory(
+  ObserveDirectory observe_directory(
       NULL,
       file_system_info_,
       base::FilePath::FromUTF8Unsafe(kDirectoryPath),
       true /* recursive */,
       base::Bind(&util::LogStatusCallback, &callback_log));
-  create_directory.SetDispatchEventImplForTesting(
+  observe_directory.SetDispatchEventImplForTesting(
       base::Bind(&util::LoggingDispatchEventImpl::OnDispatchEventImpl,
                  base::Unretained(&dispatcher)));
 
-  EXPECT_TRUE(create_directory.Execute(kRequestId));
+  EXPECT_TRUE(observe_directory.Execute(kRequestId));
 
-  create_directory.OnError(kRequestId,
-                           scoped_ptr<RequestValue>(new RequestValue()),
-                           base::File::FILE_ERROR_TOO_MANY_OPENED);
+  observe_directory.OnError(kRequestId,
+                            scoped_ptr<RequestValue>(new RequestValue()),
+                            base::File::FILE_ERROR_TOO_MANY_OPENED);
   ASSERT_EQ(1u, callback_log.size());
   EXPECT_EQ(base::File::FILE_ERROR_TOO_MANY_OPENED, callback_log[0]);
 }
 
 }  // namespace operations
 }  // namespace file_system_provider
 }  // namespace chromeos