| // 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 "sync/engine/syncer_util.h" |
| |
| #include "base/rand_util.h" |
| #include "sync/internal_api/public/base/unique_position.h" |
| #include "sync/protocol/sync.pb.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace syncer { |
| |
| class GetUpdatePositionTest : public ::testing::Test { |
| public: |
| GetUpdatePositionTest() { |
| InitUpdate(); |
| |
| // Init test_position to some valid position value, but don't assign |
| // it to the update just yet. |
| std::string pos_suffix = UniquePosition::RandomSuffix(); |
| test_position = UniquePosition::InitialPosition(pos_suffix); |
| } |
| |
| void InitUpdate() { |
| update.set_id_string("I"); |
| update.set_parent_id_string("P"); |
| update.set_version(10); |
| update.set_mtime(100); |
| update.set_ctime(100); |
| update.set_deleted(false); |
| update.mutable_specifics()->mutable_bookmark()->set_title("Chrome"); |
| update.mutable_specifics()->mutable_bookmark()-> |
| set_url("https://www.chrome.com"); |
| } |
| |
| void InitSuffixIngredients() { |
| update.set_originator_cache_guid("CacheGUID"); |
| update.set_originator_client_item_id("OrigID"); |
| } |
| |
| void InitProtoPosition() { |
| test_position.ToProto(update.mutable_unique_position()); |
| } |
| |
| void InitInt64Position(int64 pos_value) { |
| update.set_position_in_parent(pos_value); |
| } |
| |
| sync_pb::SyncEntity update; |
| UniquePosition test_position; |
| }; |
| |
| // Generate a suffix from originator client GUID and client-assigned ID. These |
| // values should always be present in updates sent down to the client, and |
| // combine to create a globally unique value. |
| TEST_F(GetUpdatePositionTest, SuffixFromUpdate) { |
| InitSuffixIngredients(); |
| |
| // Expect suffix is valid and consistent. |
| std::string suffix1 = GetUniqueBookmarkTagFromUpdate(update); |
| std::string suffix2 = GetUniqueBookmarkTagFromUpdate(update); |
| |
| EXPECT_EQ(suffix1, suffix2); |
| EXPECT_TRUE(UniquePosition::IsValidSuffix(suffix1)); |
| } |
| |
| // Receive an update without the ingredients used to make a consistent suffix. |
| // |
| // The server should never send us an update like this. If it does, |
| // that's a bug and it needs to be fixed. Still, we'd like to not |
| // crash and have fairly reasonable results in this scenario. |
| TEST_F(GetUpdatePositionTest, SuffixFromRandom) { |
| // Intentonally do not call InitSuffixIngredients() |
| |
| // Expect suffix is valid but inconsistent. |
| std::string suffix1 = GetUniqueBookmarkTagFromUpdate(update); |
| std::string suffix2 = GetUniqueBookmarkTagFromUpdate(update); |
| |
| EXPECT_NE(suffix1, suffix2); |
| EXPECT_TRUE(UniquePosition::IsValidSuffix(suffix1)); |
| EXPECT_TRUE(UniquePosition::IsValidSuffix(suffix2)); |
| } |
| |
| TEST_F(GetUpdatePositionTest, FromInt64) { |
| InitSuffixIngredients(); |
| InitInt64Position(10); |
| |
| std::string suffix = GetUniqueBookmarkTagFromUpdate(update); |
| |
| // Expect the result is valid. |
| UniquePosition pos = GetUpdatePosition(update, suffix); |
| EXPECT_TRUE(pos.IsValid()); |
| |
| // Expect the position had some effect on ordering. |
| EXPECT_TRUE(pos.LessThan( |
| UniquePosition::FromInt64(11, UniquePosition::RandomSuffix()))); |
| } |
| |
| TEST_F(GetUpdatePositionTest, FromProto) { |
| InitSuffixIngredients(); |
| InitInt64Position(10); |
| |
| std::string suffix = GetUniqueBookmarkTagFromUpdate(update); |
| |
| // The proto position is not set, so we should get one based on the int64. |
| // It should not match the proto we defined in the test harness. |
| UniquePosition int64_pos = GetUpdatePosition(update, suffix); |
| EXPECT_FALSE(int64_pos.Equals(test_position)); |
| |
| // Move the test harness' position value into the update proto. |
| // Expect that it takes precedence over the int64-based position. |
| InitProtoPosition(); |
| UniquePosition pos = GetUpdatePosition(update, suffix); |
| EXPECT_TRUE(pos.Equals(test_position)); |
| } |
| |
| TEST_F(GetUpdatePositionTest, FromNothing) { |
| // Init none of the ingredients necessary to make a position. |
| // Verify we still generate a valid position locally. |
| |
| std::string suffix = GetUniqueBookmarkTagFromUpdate(update); |
| UniquePosition pos = GetUpdatePosition(update, suffix); |
| EXPECT_TRUE(pos.IsValid()); |
| } |
| |
| } // namespace syncer |