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// Copyright 2016 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 "components/sync/model_impl/passthrough_metadata_change_list.h"
#include <iterator>
#include <map>
#include <memory>
#include <set>
#include <utility>
#include <vector>
#include "base/bind.h"
#include "base/run_loop.h"
#include "components/sync/model/mock_model_type_store.h"
#include "components/sync/protocol/entity_metadata.pb.h"
#include "components/sync/protocol/model_type_state.pb.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace syncer {
namespace {
using EntityMetadata = sync_pb::EntityMetadata;
using ModelTypeState = sync_pb::ModelTypeState;
using WriteBatch = ModelTypeStore::WriteBatch;
const char kKey1[] = "key1";
const char kKey2[] = "key2";
void RecordWriteGlobalMetadata(std::vector<std::string>* vector,
WriteBatch* batch,
const std::string& value) {
vector->push_back(value);
}
void RecordDeleteGlobalMetadata(int* call_count, WriteBatch* batch) {
++(*call_count);
}
void RecordWriteMetadata(std::multimap<std::string, std::string>* map,
WriteBatch* batch,
const std::string& key,
const std::string& value) {
map->insert(std::make_pair(key, value));
}
void RecordDeleteMetadata(std::multiset<std::string>* set,
WriteBatch* batch,
const std::string& id) {
set->insert(id);
}
} // namespace
class PassthroughMetadataChangeListTest : public testing::Test {
protected:
PassthroughMetadataChangeListTest()
: batch_(store_.CreateWriteBatch()), passthrough_(&store_, batch_.get()) {
store_.RegisterWriteGlobalMetadataHandler(
base::Bind(&RecordWriteGlobalMetadata, &global_metadata_vector_));
store_.RegisterDeleteGlobalMetadataHandler(
base::Bind(&RecordDeleteGlobalMetadata, &clear_global_metadata_count_));
store_.RegisterWriteMetadataHandler(
base::Bind(&RecordWriteMetadata, &update_metadata_map_));
store_.RegisterDeleteMetadataHandler(
base::Bind(&RecordDeleteMetadata, &clear_metadata_set_));
}
MetadataChangeList* mcl() { return &passthrough_; }
const std::vector<std::string>& global_metadata_vector() {
return global_metadata_vector_;
}
int clear_global_metadata_count() { return clear_global_metadata_count_; }
const std::multimap<std::string, std::string>& update_metadata_map() {
return update_metadata_map_;
}
const std::multiset<std::string>& clear_metadata_set() {
return clear_metadata_set_;
}
private:
// MockModelTypeStore needs MessageLoop.
base::MessageLoop message_loop_;
MockModelTypeStore store_;
std::unique_ptr<WriteBatch> batch_;
PassthroughMetadataChangeList passthrough_;
std::vector<std::string> global_metadata_vector_;
int clear_global_metadata_count_ = 0;
std::multimap<std::string, std::string> update_metadata_map_;
std::multiset<std::string> clear_metadata_set_;
};
TEST_F(PassthroughMetadataChangeListTest, ConstructorOnly) {
EXPECT_EQ(0u, global_metadata_vector().size());
EXPECT_EQ(0, clear_global_metadata_count());
EXPECT_EQ(0u, update_metadata_map().size());
EXPECT_EQ(0u, clear_metadata_set().size());
}
TEST_F(PassthroughMetadataChangeListTest, UpdateModelTypeState) {
ModelTypeState state;
mcl()->UpdateModelTypeState(state);
EXPECT_EQ(1u, global_metadata_vector().size());
EXPECT_EQ(0, clear_global_metadata_count());
EXPECT_EQ(0u, update_metadata_map().size());
EXPECT_EQ(0u, clear_metadata_set().size());
EXPECT_EQ(state.SerializeAsString(), global_metadata_vector()[0]);
state.set_encryption_key_name("ekn");
EXPECT_NE(state.SerializeAsString(), global_metadata_vector()[0]);
mcl()->UpdateModelTypeState(state);
EXPECT_EQ(2u, global_metadata_vector().size());
EXPECT_EQ(state.SerializeAsString(), global_metadata_vector()[1]);
}
TEST_F(PassthroughMetadataChangeListTest, ClearModelTypeState) {
mcl()->ClearModelTypeState();
EXPECT_EQ(0u, global_metadata_vector().size());
EXPECT_EQ(1, clear_global_metadata_count());
EXPECT_EQ(0u, update_metadata_map().size());
EXPECT_EQ(0u, clear_metadata_set().size());
mcl()->ClearModelTypeState();
EXPECT_EQ(2, clear_global_metadata_count());
}
TEST_F(PassthroughMetadataChangeListTest, UpdateMetadata) {
EntityMetadata metadata;
metadata.set_client_tag_hash("some_hash");
std::string serialized_metadata1 = metadata.SerializeAsString();
mcl()->UpdateMetadata(kKey1, metadata);
EXPECT_EQ(0u, global_metadata_vector().size());
EXPECT_EQ(0, clear_global_metadata_count());
EXPECT_EQ(1u, update_metadata_map().size());
EXPECT_EQ(1u, update_metadata_map().count(kKey1));
EXPECT_EQ(serialized_metadata1, update_metadata_map().find(kKey1)->second);
EXPECT_EQ(0u, clear_metadata_set().size());
metadata.set_client_tag_hash("other_hash");
std::string serialized_metadata2 = metadata.SerializeAsString();
EXPECT_NE(serialized_metadata1, serialized_metadata2);
mcl()->UpdateMetadata(kKey1, metadata);
mcl()->UpdateMetadata(kKey2, metadata);
EXPECT_EQ(3u, update_metadata_map().size());
EXPECT_EQ(2u, update_metadata_map().count(kKey1));
EXPECT_EQ(1u, update_metadata_map().count(kKey2));
auto key1_iter = update_metadata_map().find(kKey1);
EXPECT_EQ(serialized_metadata1, key1_iter->second);
EXPECT_EQ(serialized_metadata2, std::next(key1_iter)->second);
EXPECT_EQ(serialized_metadata2, update_metadata_map().find(kKey2)->second);
}
TEST_F(PassthroughMetadataChangeListTest, ClearMetadata) {
mcl()->ClearMetadata(kKey1);
EXPECT_EQ(1u, clear_metadata_set().size());
EXPECT_EQ(1u, clear_metadata_set().count(kKey1));
mcl()->ClearMetadata(kKey1);
mcl()->ClearMetadata(kKey2);
EXPECT_EQ(3u, clear_metadata_set().size());
EXPECT_EQ(2u, clear_metadata_set().count(kKey1));
EXPECT_EQ(1u, clear_metadata_set().count(kKey2));
}
TEST_F(PassthroughMetadataChangeListTest, Everything) {
mcl()->UpdateModelTypeState(ModelTypeState());
mcl()->ClearModelTypeState();
mcl()->UpdateMetadata(kKey1, EntityMetadata());
mcl()->ClearMetadata(kKey1);
EXPECT_EQ(1u, global_metadata_vector().size());
EXPECT_EQ(1, clear_global_metadata_count());
EXPECT_EQ(1u, update_metadata_map().size());
EXPECT_EQ(1u, clear_metadata_set().size());
}
} // namespace syncer
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