Wire up GetKeyDataEx() in Chrome

chromeos/cryptohome/homedir_methods_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 "chromeos/cryptohome/homedir_methods.h"
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "chromeos/dbus/cryptohome/rpc.pb.h"
+#include "chromeos/dbus/cryptohome_client.h"
+#include "chromeos/dbus/dbus_method_call_status.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/mock_cryptohome_client.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using testing::_;
+using testing::Invoke;
+using testing::WithArg;
+
+namespace cryptohome {
+
+namespace {
+
+MATCHER_P(EqualsProto, expected_proto, "") {
+  std::string expected_value;
+  expected_proto.SerializeToString(&expected_value);
+  std::string actual_value;
+  arg.SerializeToString(&actual_value);
+  return actual_value == expected_value;
+}
+
+}  // namespace
+
+const char kUserID[] = "user@example.com";
+const char kKeyLabel[] = "key_label";
+
+const int64 kKeyRevision = 123;
+const char kProviderData1Name[] = "data_1";
+const int64 kProviderData1Number = 12345;
+const char kProviderData2Name[] = "data_2";
+const char kProviderData2Bytes[] = "data_2 bytes";
+
+class HomedirMethodsTest : public testing::Test {
+ public:
+  HomedirMethodsTest();
+  virtual ~HomedirMethodsTest();
+
+  // testing::Test:
+  virtual void SetUp() OVERRIDE;
+  virtual void TearDown() OVERRIDE;
+
+  void RunProtobufMethodCallback(
+      const chromeos::CryptohomeClient::ProtobufMethodCallback& callback);
+
+  void StoreGetKeyDataExResult(bool success,
+                               MountError return_code,
+                               ScopedVector<RetrievedKeyData> key_data);
+
+ protected:
+  chromeos::MockCryptohomeClient* cryptohome_client_;
+
+  // The reply that |cryptohome_client_| will make.
+  cryptohome::BaseReply cryptohome_reply_;
+
+  // The results of the most recent |HomedirMethods| method call.
+  bool success_;
+  MountError return_code_;
+  ScopedVector<RetrievedKeyData> key_data_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(HomedirMethodsTest);
+};
+
+HomedirMethodsTest::HomedirMethodsTest() : cryptohome_client_(NULL),
+                                           success_(false),
+                                           return_code_(MOUNT_ERROR_FATAL) {
+}
+
+HomedirMethodsTest::~HomedirMethodsTest() {
+}
+
+void HomedirMethodsTest::SetUp() {
+  scoped_ptr<chromeos::MockCryptohomeClient> cryptohome_client(
+      new chromeos::MockCryptohomeClient);
+  cryptohome_client_ = cryptohome_client.get();
+  chromeos::DBusThreadManager::GetSetterForTesting()->SetCryptohomeClient(
+      cryptohome_client.PassAs<chromeos::CryptohomeClient>());
+  HomedirMethods::Initialize();
+}
+
+void HomedirMethodsTest::TearDown() {
+  HomedirMethods::Shutdown();
+  chromeos::DBusThreadManager::Shutdown();
+}
+
+void HomedirMethodsTest::RunProtobufMethodCallback(
+    const chromeos::CryptohomeClient::ProtobufMethodCallback& callback) {
+  callback.Run(chromeos::DBUS_METHOD_CALL_SUCCESS,
+               true,
+               cryptohome_reply_);
+}
+
+void HomedirMethodsTest::StoreGetKeyDataExResult(
+    bool success,
+    MountError return_code,
+    ScopedVector<RetrievedKeyData> key_data) {
+  success_ = success;
+  return_code_ = return_code;
+  key_data_.swap(key_data);
+}
+
+// Verifies that the result of a GetKeyDataEx() call is correctly parsed.
+TEST_F(HomedirMethodsTest, GetKeyDataEx) {
+  AccountIdentifier expected_id;
+  expected_id.set_email(kUserID);
+  const cryptohome::AuthorizationRequest expected_auth;
+  cryptohome::GetKeyDataRequest expected_request;
+      expected_request.mutable_key()->mutable_data()->set_label(kKeyLabel);
+
+  EXPECT_CALL(*cryptohome_client_,
+              GetKeyDataEx(EqualsProto(expected_id),
+                           EqualsProto(expected_auth),
+                           EqualsProto(expected_request),
+                           _))
+      .Times(1)
+      .WillOnce(WithArg<3>(Invoke(
+          this,
+          &HomedirMethodsTest::RunProtobufMethodCallback)));
+
+  // Set up the reply that |cryptohome_client_| will make.
+  cryptohome::GetKeyDataReply* reply =
+      cryptohome_reply_.MutableExtension(cryptohome::GetKeyDataReply::reply);
+  KeyData* key_data = reply->add_key_data();
+  key_data->set_type(KeyData::KEY_TYPE_PASSWORD);
+  key_data->set_label(kKeyLabel);
+  key_data->mutable_privileges()->set_update(false);
+  key_data->set_revision(kKeyRevision);
+  key_data->add_authorization_data()->set_type(
+      KeyAuthorizationData::KEY_AUTHORIZATION_TYPE_HMACSHA256);
+  KeyProviderData* data = key_data->mutable_provider_data();
+  KeyProviderData::Entry* entry = data->add_entry();
+  entry->set_name(kProviderData1Name);
+  entry->set_number(kProviderData1Number);
+  entry = data->add_entry();
+  entry->set_name(kProviderData2Name);
+  entry->set_bytes(kProviderData2Bytes);
+
+  // Call GetKeyDataEx().
+  HomedirMethods::GetInstance()->GetKeyDataEx(
+    Identification(kUserID),
+    kKeyLabel,
+    base::Bind(&HomedirMethodsTest::StoreGetKeyDataExResult,
+               base::Unretained(this)));
+
+  // Verify that the call was successful and the result was correctly parsed.
+  EXPECT_TRUE(success_);
+  EXPECT_EQ(MOUNT_ERROR_NONE, return_code_);
+  ASSERT_EQ(1u, key_data_.size());
+  const RetrievedKeyData* retrieved_key_data = key_data_.front();
+  EXPECT_EQ(RetrievedKeyData::TYPE_PASSWORD, retrieved_key_data->type);
+  EXPECT_EQ(PRIV_MOUNT | PRIV_ADD | PRIV_REMOVE,
+            retrieved_key_data->privileges);
+  EXPECT_EQ(kKeyRevision, retrieved_key_data->revision);
+  ASSERT_EQ(1u, retrieved_key_data->authorization_types.size());
+  EXPECT_EQ(RetrievedKeyData::AUTHORIZATION_TYPE_HMACSHA256,
+            retrieved_key_data->authorization_types.front());
+  ASSERT_EQ(2u, retrieved_key_data->provider_data.size());
+  const RetrievedKeyData::ProviderData* provider_data =
+      retrieved_key_data->provider_data[0];
+  EXPECT_EQ(kProviderData1Name, provider_data->name);
+  ASSERT_TRUE(provider_data->number);
+  EXPECT_EQ(kProviderData1Number, *provider_data->number.get());
+  EXPECT_FALSE(provider_data->bytes);
+  provider_data = retrieved_key_data->provider_data[1];
+  EXPECT_EQ(kProviderData2Name, provider_data->name);
+  EXPECT_FALSE(provider_data->number);
+  ASSERT_TRUE(provider_data->bytes);
+  EXPECT_EQ(kProviderData2Bytes, *provider_data->bytes.get());
+}
+
+}  // namespace cryptohome