[GCM] Adding AccountInfo structure to persist accounts mapped to GCM

google_apis/gcm/engine/account_info_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 <string>
+
+#include "google_apis/gcm/engine/account_info.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace gcm {
+
+namespace {
+
+class AccountInfoTest : public testing::Test {

[Nicolas Zea, 2014/07/28 18:10:10]

nit: instead of having a dummy class like this, you can just do TEST instead of
TEST_F (no need for a fixture) 

[fgorski, 2014/07/29 16:24:02]

Done.

+ public:
+  AccountInfoTest();
+  virtual ~AccountInfoTest();
+};
+
+AccountInfoTest::AccountInfoTest() {
+}
+
+AccountInfoTest::~AccountInfoTest() {
+}
+
+TEST_F(AccountInfoTest, SerializeAccountInfo) {
+  AccountInfo account_info;
+  account_info.account_id = "acc_id";
+  account_info.email = "test@example.com";
+  account_info.last_message_id = "last_message_id_1";
+  account_info.last_message_type = AccountInfo::MSG_ADD;
+  account_info.last_message_timestamp = base::Time::FromInternalValue(
+      1305797421259935LL);  // Arbitrary timestamp.
+
+  EXPECT_EQ("test@example.com&add&last_message_id_1&1305797421259935",
+            account_info.SerializeAsString());
+
+  account_info.account_id = "acc_id2";
+  account_info.email = "test@gmail.com";
+  account_info.last_message_id = "last_message_id_2";
+  account_info.last_message_type = AccountInfo::MSG_REMOVE;
+  account_info.last_message_timestamp =
+      base::Time::FromInternalValue(1305734521259935LL);  // Other timestamp.
+
+  EXPECT_EQ("test@gmail.com&remove&last_message_id_2&1305734521259935",
+            account_info.SerializeAsString());
+
+  account_info.last_message_type = AccountInfo::MSG_NONE;
+
+  EXPECT_EQ("test@gmail.com&none", account_info.SerializeAsString());
+}
+
+TEST_F(AccountInfoTest, DeserializeAccountInfo) {
+  AccountInfo account_info;
+  account_info.account_id = "acc_id";
+  EXPECT_TRUE(account_info.ParseFromString(
+      "test@example.com&add&last_message_id_1&1305797421259935"));
+  EXPECT_EQ("acc_id", account_info.account_id);
+  EXPECT_EQ("test@example.com", account_info.email);
+  EXPECT_EQ(AccountInfo::MSG_ADD, account_info.last_message_type);
+  EXPECT_EQ("last_message_id_1", account_info.last_message_id);
+  EXPECT_EQ(base::Time::FromInternalValue(1305797421259935LL),
+            account_info.last_message_timestamp);
+
+  EXPECT_TRUE(account_info.ParseFromString(
+      "test@gmail.com&remove&last_message_id_2&1305734521259935"));
+  EXPECT_EQ("acc_id", account_info.account_id);
+  EXPECT_EQ("test@gmail.com", account_info.email);
+  EXPECT_EQ(AccountInfo::MSG_REMOVE, account_info.last_message_type);
+  EXPECT_EQ("last_message_id_2", account_info.last_message_id);
+  EXPECT_EQ(base::Time::FromInternalValue(1305734521259935LL),
+            account_info.last_message_timestamp);
+
+  EXPECT_TRUE(account_info.ParseFromString("test@gmail.com&none"));
+  EXPECT_EQ("acc_id", account_info.account_id);
+  EXPECT_EQ("test@gmail.com", account_info.email);
+  EXPECT_EQ(AccountInfo::MSG_NONE, account_info.last_message_type);
+  EXPECT_EQ("", account_info.last_message_id);
+  EXPECT_EQ(base::Time(), account_info.last_message_timestamp);
+}
+

[Nicolas Zea, 2014/07/28 18:10:10]

maybe add some parsing failure cases?

[fgorski, 2014/07/29 16:24:02]

Done.

+}  // namespace
+}  // namespace gcm