memgraph/tests/unit/graph_db.cpp
Matija Santl fb6284cb99 Add unique constraint to label property index
Summary:
LabelPropertyIndex now has the ability to enforce unique constraint.

This doesn't lock the tx engine.

Reviewers: teon.banek, mferencevic

Reviewed By: teon.banek

Subscribers: pullbot, vkasljevic, buda

Differential Revision: https://phabricator.memgraph.io/D1660
2018-10-16 14:20:47 +02:00

39 lines
1.1 KiB
C++

#include <memory>
#include <gtest/gtest.h>
#include "database/single_node/graph_db.hpp"
#include "database/single_node/graph_db_accessor.hpp"
#include "storage/common/types.hpp"
#include "storage/single_node/indexes/label_property_index.hpp"
TEST(GraphDbTest, GarbageCollectIndices) {
database::Config config;
config.gc_cycle_sec = -1;
database::GraphDb graph_db{config};
std::unique_ptr<database::GraphDbAccessor> dba = graph_db.Access();
auto commit = [&] {
dba->Commit();
dba = graph_db.Access();
};
auto label = dba->Label("label");
auto property = dba->Property("property");
dba->BuildIndex(label, property, false);
commit();
auto vertex = dba->InsertVertex();
vertex.add_label(label);
vertex.PropsSet(property, 42);
commit();
EXPECT_EQ(dba->VerticesCount(label, property), 1);
auto vertex_transferred = dba->Transfer(vertex);
dba->RemoveVertex(vertex_transferred.value());
EXPECT_EQ(dba->VerticesCount(label, property), 1);
commit();
EXPECT_EQ(dba->VerticesCount(label, property), 1);
graph_db.CollectGarbage();
EXPECT_EQ(dba->VerticesCount(label, property), 0);
}