[fsp] Add the getMetadata operation.

chrome/browser/chromeos/file_system_provider/operations/get_metadata_unittest.cc

Index: chrome/browser/chromeos/file_system_provider/operations/get_metadata_unittest.cc
diff --git a/chrome/browser/chromeos/file_system_provider/operations/get_metadata_unittest.cc b/chrome/browser/chromeos/file_system_provider/operations/get_metadata_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4b091ac3a0d97f680cc2b6bbd57eac8eeecc6cdb
--- /dev/null
+++ b/chrome/browser/chromeos/file_system_provider/operations/get_metadata_unittest.cc
@@ -0,0 +1,256 @@
+// 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 <string>
+
+#include "base/files/file.h"
+#include "base/files/file_path.h"
+#include "base/json/json_reader.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/scoped_vector.h"
+#include "chrome/browser/chromeos/file_system_provider/operations/get_metadata.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 "testing/gtest/include/gtest/gtest.h"
+#include "webkit/browser/fileapi/async_file_util.h"
+
+namespace chromeos {
+namespace file_system_provider {
+namespace operations {
+namespace {
+
+const char kExtensionId[] = "mbflcebpggnecokmikipoihdbecnjfoj";
+const int kFileSystemId = 1;
+const int kRequestId = 2;
+const base::FilePath::CharType kDirectoryPath[] = "/directory";
+
+// Fake event dispatcher implementation with extra logging capability. Acts as
+// a providing extension end-point.
+class LoggingDispatchEventImpl {
+ public:
+  explicit LoggingDispatchEventImpl(bool dispatch_reply)
+      : dispatch_reply_(dispatch_reply) {}
+  virtual ~LoggingDispatchEventImpl() {}
+
+  bool OnDispatchEventImpl(scoped_ptr<extensions::Event> event) {
+    events_.push_back(event->DeepCopy());
+    return dispatch_reply_;
+  }
+
+  ScopedVector<extensions::Event>& events() { return events_; }
+
+ private:
+  ScopedVector<extensions::Event> events_;
+  bool dispatch_reply_;
+
+  DISALLOW_COPY_AND_ASSIGN(LoggingDispatchEventImpl);
+};
+
+// Callback invocation logger. Acts as a fileapi end-point.
+class CallbackLogger {
+ public:
+  class Event {
+   public:
+    Event(base::File::Error result, const base::File::Info& file_info)
+        : result_(result), file_info_(file_info) {}
+    virtual ~Event() {}
+
+    base::File::Error result() { return result_; }
+    const base::File::Info& file_info() { return file_info_; }
+
+   private:
+    base::File::Error result_;
+    base::File::Info file_info_;
+
+    DISALLOW_COPY_AND_ASSIGN(Event);
+  };
+
+  CallbackLogger() : weak_ptr_factory_(this) {}
+  virtual ~CallbackLogger() {}
+
+  void OnGetMetadata(base::File::Error result,
+                     const base::File::Info& file_info) {
+    events_.push_back(new Event(result, file_info));
+  }
+
+  ScopedVector<Event>& events() { return events_; }
+
+  base::WeakPtr<CallbackLogger> GetWeakPtr() {
+    return weak_ptr_factory_.GetWeakPtr();
+  }
+
+ private:
+  ScopedVector<Event> events_;
+  bool dispatch_reply_;
+  base::WeakPtrFactory<CallbackLogger> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(CallbackLogger);
+};
+
+}  // namespace
+
+class FileSystemProviderOperationsGetMetadataTest : public testing::Test {
+ protected:
+  FileSystemProviderOperationsGetMetadataTest() {}
+  virtual ~FileSystemProviderOperationsGetMetadataTest() {}
+
+  virtual void SetUp() OVERRIDE {
+    file_system_info_ =
+        ProvidedFileSystemInfo(kExtensionId,
+                               kFileSystemId,
+                               "" /* file_system_name */,
+                               base::FilePath() /* mount_path */);
+  }
+
+  ProvidedFileSystemInfo file_system_info_;
+};
+
+TEST_F(FileSystemProviderOperationsGetMetadataTest, Execute) {
+  LoggingDispatchEventImpl dispatcher(true /* dispatch_reply */);
+  CallbackLogger callback_logger;
+
+  GetMetadata get_metadata(
+      NULL,
+      file_system_info_,
+      base::FilePath::FromUTF8Unsafe(kDirectoryPath),
+      base::Bind(&CallbackLogger::OnGetMetadata, callback_logger.GetWeakPtr()));
+  get_metadata.SetDispatchEventImplForTesting(
+      base::Bind(&LoggingDispatchEventImpl::OnDispatchEventImpl,
+                 base::Unretained(&dispatcher)));
+
+  EXPECT_TRUE(get_metadata.Execute(kRequestId));
+
+  ASSERT_EQ(1u, dispatcher.events().size());
+  extensions::Event* event = dispatcher.events()[0];
+  EXPECT_EQ(
+      extensions::api::file_system_provider::OnGetMetadataRequested::kEventName,
+      event->event_name);
+  base::ListValue* event_args = event->event_args.get();
+  ASSERT_EQ(3u, event_args->GetSize());
+
+  int event_file_system_id = -1;
+  EXPECT_TRUE(event_args->GetInteger(0, &event_file_system_id));
+  EXPECT_EQ(kFileSystemId, event_file_system_id);
+
+  int event_request_id = -1;
+  EXPECT_TRUE(event_args->GetInteger(1, &event_request_id));
+  EXPECT_EQ(kRequestId, event_request_id);
+
+  std::string event_directory_path;
+  EXPECT_TRUE(event_args->GetString(2, &event_directory_path));
+  EXPECT_EQ(kDirectoryPath, event_directory_path);
+}
+
+TEST_F(FileSystemProviderOperationsGetMetadataTest, Execute_NoListener) {
+  LoggingDispatchEventImpl dispatcher(false /* dispatch_reply */);
+  CallbackLogger callback_logger;
+
+  GetMetadata get_metadata(
+      NULL,
+      file_system_info_,
+      base::FilePath::FromUTF8Unsafe(kDirectoryPath),
+      base::Bind(&CallbackLogger::OnGetMetadata, callback_logger.GetWeakPtr()));
+  get_metadata.SetDispatchEventImplForTesting(
+      base::Bind(&LoggingDispatchEventImpl::OnDispatchEventImpl,
+                 base::Unretained(&dispatcher)));
+
+  EXPECT_FALSE(get_metadata.Execute(kRequestId));
+}
+
+TEST_F(FileSystemProviderOperationsGetMetadataTest, OnSuccess) {
+  using extensions::api::file_system_provider::EntryMetadata;
+  using extensions::api::file_system_provider_internal::
+      GetMetadataRequestedSuccess::Params;
+
+  LoggingDispatchEventImpl dispatcher(true /* dispatch_reply */);
+  CallbackLogger callback_logger;
+
+  GetMetadata get_metadata(
+      NULL,
+      file_system_info_,
+      base::FilePath::FromUTF8Unsafe(kDirectoryPath),
+      base::Bind(&CallbackLogger::OnGetMetadata, callback_logger.GetWeakPtr()));
+  get_metadata.SetDispatchEventImplForTesting(
+      base::Bind(&LoggingDispatchEventImpl::OnDispatchEventImpl,
+                 base::Unretained(&dispatcher)));
+
+  EXPECT_TRUE(get_metadata.Execute(kRequestId));
+
+  // Sample input as JSON. Keep in sync with file_system_provider_api.idl.
+  // As for now, it is impossible to create *::Params class directly, not from
+  // base::Value.
+  const std::string input =
+      "[\n"
+      "  1,\n"  // kFileSystemId
+      "  2,\n"  // kRequestId
+      "  {\n"
+      "    \"isDirectory\": false,\n"
+      "    \"name\": \"blueberries.txt\",\n"
+      "    \"size\": 4096,\n"
+      "    \"modificationTime\": {\n"
+      "      \"value\": \"Thu Apr 24 00:46:52 UTC 2014\"\n"
+      "    }\n"
+      "  }\n"
+      "]\n";
+
+  int json_error_code;
+  std::string json_error_msg;
+  scoped_ptr<base::Value> value(base::JSONReader::ReadAndReturnError(
+      input, base::JSON_PARSE_RFC, &json_error_code, &json_error_msg));
+  ASSERT_TRUE(value.get()) << json_error_msg;
+
+  base::ListValue* value_as_list;
+  ASSERT_TRUE(value->GetAsList(&value_as_list));
+  scoped_ptr<Params> params(Params::Create(*value_as_list));
+  ASSERT_TRUE(params.get());
+  scoped_ptr<RequestValue> request_value(
+      RequestValue::CreateForGetMetadataSuccess(params.Pass()));
+  ASSERT_TRUE(request_value.get());
+
+  const bool has_next = false;
+  get_metadata.OnSuccess(kRequestId, request_value.Pass(), has_next);
+
+  ASSERT_EQ(1u, callback_logger.events().size());
+  CallbackLogger::Event* event = callback_logger.events()[0];
+  EXPECT_EQ(base::File::FILE_OK, event->result());
+
+  const base::File::Info& file_info = event->file_info();
+  EXPECT_FALSE(file_info.is_directory);
+  EXPECT_EQ(4096, file_info.size);
+  base::Time expected_time;
+  EXPECT_TRUE(
+      base::Time::FromString("Thu Apr 24 00:46:52 UTC 2014", &expected_time));
+  EXPECT_EQ(expected_time, file_info.last_modified);
+}
+
+TEST_F(FileSystemProviderOperationsGetMetadataTest, OnError) {
+  using extensions::api::file_system_provider::EntryMetadata;
+  using extensions::api::file_system_provider_internal::
+      GetMetadataRequestedError::Params;
+
+  LoggingDispatchEventImpl dispatcher(true /* dispatch_reply */);
+  CallbackLogger callback_logger;
+
+  GetMetadata get_metadata(
+      NULL,
+      file_system_info_,
+      base::FilePath::FromUTF8Unsafe(kDirectoryPath),
+      base::Bind(&CallbackLogger::OnGetMetadata, callback_logger.GetWeakPtr()));
+  get_metadata.SetDispatchEventImplForTesting(
+      base::Bind(&LoggingDispatchEventImpl::OnDispatchEventImpl,
+                 base::Unretained(&dispatcher)));
+
+  EXPECT_TRUE(get_metadata.Execute(kRequestId));
+
+  get_metadata.OnError(kRequestId, base::File::FILE_ERROR_TOO_MANY_OPENED);
+
+  ASSERT_EQ(1u, callback_logger.events().size());
+  CallbackLogger::Event* event = callback_logger.events()[0];
+  EXPECT_EQ(base::File::FILE_ERROR_TOO_MANY_OPENED, event->result());
+}
+
+}  // namespace operations
+}  // namespace file_system_provider
+}  // namespace chromeos