memgraph/tests/unit/storage_rocks.cpp
2023-04-07 15:10:59 +02:00

324 lines
16 KiB
C++

// Copyright 2023 Memgraph Ltd.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
// License, and you may not use this file except in compliance with the Business Source License.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <exception>
#include <unordered_set>
#include "query/common.hpp"
#include "query/db_accessor.hpp"
#include "storage/rocks/storage.hpp"
#include "storage/v2/delta.hpp"
#include "storage/v2/id_types.hpp"
#include "storage/v2/isolation_level.hpp"
#include "storage/v2/property_value.hpp"
#include "storage/v2/storage.hpp"
#include "storage/v2/vertex_accessor.hpp"
#include "storage/v2/view.hpp"
class RocksDBStorageTest : public ::testing::TestWithParam<bool> {
public:
~RocksDBStorageTest() { db.Clear(); }
protected:
memgraph::storage::rocks::RocksDBStorage db;
memgraph::storage::Storage storage;
};
TEST_F(RocksDBStorageTest, SerializeVertexGID) {
// empty vertices, only gid is serialized
auto storage_dba = storage.Access(memgraph::storage::IsolationLevel::READ_UNCOMMITTED);
memgraph::query::DbAccessor dba(&storage_dba);
std::unordered_set<uint64_t> gids;
for (uint64_t i = 0; i < 5; ++i) {
gids.insert(i);
auto impl = dba.InsertVertex();
impl.SetGid(memgraph::storage::Gid::FromUint(i));
db.StoreVertex(impl);
}
// load vertices from disk
auto loaded_vertices = db.Vertices(dba);
ASSERT_EQ(loaded_vertices.size(), 5);
for (const auto &vertex_acc : loaded_vertices) {
ASSERT_TRUE(gids.contains(vertex_acc.Gid().AsUint()));
}
}
TEST_F(RocksDBStorageTest, SerializeVertexGIDLabels) {
// serialize vertex's gid with its single label
auto storage_dba = storage.Access(memgraph::storage::IsolationLevel::READ_UNCOMMITTED);
memgraph::query::DbAccessor dba(&storage_dba);
// save vertices on disk
std::unordered_set<uint64_t> gids;
std::vector<memgraph::storage::LabelId> label_ids{dba.NameToLabel("Player"), dba.NameToLabel("Person"),
dba.NameToLabel("Ball")};
for (int i = 0; i < 5; ++i) {
gids.insert(i);
auto impl = dba.InsertVertex();
impl.SetGid(memgraph::storage::Gid::FromUint(i));
impl.AddLabel(label_ids[i % 3]);
db.StoreVertex(impl);
}
// load vertices from disk
auto loaded_vertices = db.Vertices(dba);
ASSERT_EQ(loaded_vertices.size(), 5);
for (const auto &vertex_acc : loaded_vertices) {
ASSERT_TRUE(gids.contains(vertex_acc.Gid().AsUint()));
auto labels = vertex_acc.Labels(memgraph::storage::View::OLD);
ASSERT_EQ(labels->size(), 1);
ASSERT_TRUE(std::all_of(labels->begin(), labels->end(), [&label_ids](const auto &label_id) {
return std::find(label_ids.begin(), label_ids.end(), label_id) != label_ids.end();
}));
}
}
TEST_F(RocksDBStorageTest, SerializeVertexGIDMutlipleLabels) {
// serialize vertex's gid with multiple labels it contains
auto storage_dba = storage.Access(memgraph::storage::IsolationLevel::READ_UNCOMMITTED);
memgraph::query::DbAccessor dba(&storage_dba);
// save vertices on disk
std::unordered_set<uint64_t> gids;
std::vector<memgraph::storage::LabelId> label_ids{dba.NameToLabel("Player"), dba.NameToLabel("Person"),
dba.NameToLabel("Ball")};
for (int i = 0; i < 5; ++i) {
gids.insert(i);
auto impl = dba.InsertVertex();
impl.SetGid(memgraph::storage::Gid::FromUint(i));
impl.AddLabel(label_ids[i % 3]);
impl.AddLabel(label_ids[(i + 1) % 3]);
db.StoreVertex(impl);
}
// load vertices from disk
auto loaded_vertices = db.Vertices(dba);
ASSERT_EQ(loaded_vertices.size(), 5);
for (const auto &vertex_acc : loaded_vertices) {
ASSERT_TRUE(gids.contains(vertex_acc.Gid().AsUint()));
auto labels = vertex_acc.Labels(memgraph::storage::View::OLD);
ASSERT_EQ(labels->size(), 2);
ASSERT_TRUE(std::all_of(labels->begin(), labels->end(), [&label_ids](const auto &label_id) {
return std::find(label_ids.begin(), label_ids.end(), label_id) != label_ids.end();
}));
}
}
TEST_F(RocksDBStorageTest, GetVerticesByLabel) {
// search vertices by label
auto storage_dba = storage.Access(memgraph::storage::IsolationLevel::READ_UNCOMMITTED);
memgraph::query::DbAccessor dba(&storage_dba);
// prepare labels
std::vector<memgraph::storage::LabelId> label_ids{dba.NameToLabel("Player"), dba.NameToLabel("Player"),
dba.NameToLabel("Ball")};
// insert vertices
for (int i = 0; i < 5; ++i) {
auto impl = dba.InsertVertex();
impl.AddLabel(label_ids[i % 3]);
db.StoreVertex(impl);
}
// load vertices from disk
auto player_vertices = db.Vertices(dba, dba.NameToLabel("Player"));
auto ball_vertices = db.Vertices(dba, dba.NameToLabel("Ball"));
ASSERT_EQ(player_vertices.size(), 4);
ASSERT_EQ(ball_vertices.size(), 1);
}
TEST_F(RocksDBStorageTest, GetVerticesByProperty) {
// search vertices by property value
auto storage_dba = storage.Access(memgraph::storage::IsolationLevel::READ_UNCOMMITTED);
memgraph::query::DbAccessor dba(&storage_dba);
// prepare ssd properties
std::map<memgraph::storage::PropertyId, memgraph::storage::PropertyValue> ssd_properties_1;
ssd_properties_1.emplace(dba.NameToProperty("price"), memgraph::storage::PropertyValue(225.84));
std::map<memgraph::storage::PropertyId, memgraph::storage::PropertyValue> ssd_properties_2;
ssd_properties_2.emplace(dba.NameToProperty("price"), memgraph::storage::PropertyValue(226.84));
// prepare hdd properties
std::map<memgraph::storage::PropertyId, memgraph::storage::PropertyValue> hdd_properties_1;
hdd_properties_1.emplace(dba.NameToProperty("price"), memgraph::storage::PropertyValue(125.84));
std::vector properties{ssd_properties_1, ssd_properties_2, hdd_properties_1, hdd_properties_1};
// insert vertices
for (int i = 0; i < 4; ++i) {
auto impl = dba.InsertVertex();
memgraph::query::MultiPropsInitChecked(&impl, properties[i]);
db.StoreVertex(impl);
}
// load vertices from disk
auto ssd_vertices_1 = db.Vertices(dba, dba.NameToProperty("price"), memgraph::storage::PropertyValue(225.84));
auto hdd_vertices = db.Vertices(dba, dba.NameToProperty("price"), memgraph::storage::PropertyValue(125.84));
auto hdd_vertices_non_existing =
db.Vertices(dba, dba.NameToProperty("price"), memgraph::storage::PropertyValue(125.81));
ASSERT_EQ(ssd_vertices_1.size(), 1);
ASSERT_EQ(hdd_vertices.size(), 2);
ASSERT_EQ(hdd_vertices_non_existing.size(), 0);
}
TEST_F(RocksDBStorageTest, DeleteVertex) {
// auto storage_dba = storage.Access(memgraph::storage::IsolationLevel::READ_UNCOMMITTE);
auto storage_dba = storage.Access();
memgraph::query::DbAccessor dba(&storage_dba);
std::map<memgraph::storage::PropertyId, memgraph::storage::PropertyValue> properties;
// samo 1 property stane
properties.emplace(dba.NameToProperty("sum"), memgraph::storage::PropertyValue("2TB"));
properties.emplace(dba.NameToProperty("same_type"), memgraph::storage::PropertyValue(true));
// properties.emplace(dba.NameToProperty("cluster_price"), memgraph::storage::PropertyValue(2000.42));
// create vertex
auto impl = dba.InsertVertex();
impl.AddLabel(dba.NameToLabel("Player"));
memgraph::query::MultiPropsInitChecked(&impl, properties);
db.StoreVertex(impl);
// find vertex should work now
ASSERT_TRUE(db.FindVertex(std::to_string(impl.Gid().AsUint()), dba).has_value());
db.FindVertex(std::to_string(impl.Gid().AsUint()), dba);
// RocksDB doesn't physically delete entry so deletion will pass two times
ASSERT_TRUE(db.DeleteVertex(impl).has_value());
ASSERT_TRUE(db.DeleteVertex(impl).has_value());
// second time you shouldn't be able to find the vertex
ASSERT_FALSE(db.FindVertex(std::to_string(impl.Gid().AsUint()), dba).has_value());
}
TEST_F(RocksDBStorageTest, SerializeVertexGIDProperties) {
// serializes vertex's gid, multiple labels and properties
auto storage_dba = storage.Access(memgraph::storage::IsolationLevel::READ_UNCOMMITTED);
memgraph::query::DbAccessor dba(&storage_dba);
// prepare labels
std::vector<memgraph::storage::LabelId> label_ids{dba.NameToLabel("Player"), dba.NameToLabel("Person"),
dba.NameToLabel("Ball")};
// prepare properties
std::map<memgraph::storage::PropertyId, memgraph::storage::PropertyValue> properties;
properties.emplace(dba.NameToProperty("name"), memgraph::storage::PropertyValue("disk"));
properties.emplace(dba.NameToProperty("memory"), memgraph::storage::PropertyValue("1TB"));
properties.emplace(dba.NameToProperty("price"), memgraph::storage::PropertyValue(1000.21));
properties.emplace(dba.NameToProperty("price2"), memgraph::storage::PropertyValue(1000.212));
// gids
std::unordered_set<uint64_t> gids;
for (int i = 0; i < 5; ++i) {
gids.insert(i);
auto impl = dba.InsertVertex();
impl.SetGid(memgraph::storage::Gid::FromUint(i));
impl.AddLabel(label_ids[i % 3]);
impl.AddLabel(label_ids[(i + 1) % 3]);
memgraph::query::MultiPropsInitChecked(&impl, properties);
db.StoreVertex(impl);
}
// load vertices from disk
auto loaded_vertices = db.Vertices(dba);
ASSERT_EQ(loaded_vertices.size(), 5);
for (const auto &vertex_acc : loaded_vertices) {
ASSERT_TRUE(gids.contains(vertex_acc.Gid().AsUint()));
// labels
auto labels = vertex_acc.Labels(memgraph::storage::View::OLD);
ASSERT_EQ(labels->size(), 2);
ASSERT_TRUE(std::all_of(labels->begin(), labels->end(), [&label_ids](const auto &label_id) {
return std::find(label_ids.begin(), label_ids.end(), label_id) != label_ids.end();
}));
// check properties
auto props = vertex_acc.Properties(memgraph::storage::View::OLD);
ASSERT_FALSE(props.HasError());
auto prop_name = vertex_acc.GetProperty(memgraph::storage::View::OLD, dba.NameToProperty("name"));
auto prop_memory = vertex_acc.GetProperty(memgraph::storage::View::OLD, dba.NameToProperty("memory"));
auto prop_price = vertex_acc.GetProperty(memgraph::storage::View::OLD, dba.NameToProperty("price"));
auto prop_unexisting = vertex_acc.GetProperty(memgraph::storage::View::OLD, dba.NameToProperty("random"));
ASSERT_TRUE(prop_name->IsString());
ASSERT_EQ(prop_name->ValueString(), "disk");
ASSERT_TRUE(prop_memory->IsString());
ASSERT_EQ(prop_memory->ValueString(), "1TB");
ASSERT_TRUE(prop_price->IsDouble());
ASSERT_DOUBLE_EQ(prop_price->ValueDouble(), 1000.21);
ASSERT_TRUE(prop_unexisting->IsNull());
}
}
TEST_F(RocksDBStorageTest, SerializeEdge) {
// create two vertices and edge between them
// search by one of the vertices, return edge
// check deserialization for both vertices and edge
auto storage_dba = storage.Access(memgraph::storage::IsolationLevel::READ_UNCOMMITTED);
memgraph::query::DbAccessor dba(&storage_dba);
std::vector<memgraph::storage::LabelId> label_ids{dba.NameToLabel("Player"), dba.NameToLabel("Referee")};
std::map<memgraph::storage::PropertyId, memgraph::storage::PropertyValue> properties_1;
properties_1.emplace(dba.NameToProperty("price"), memgraph::storage::PropertyValue(221.84));
std::map<memgraph::storage::PropertyId, memgraph::storage::PropertyValue> properties_2;
properties_2.emplace(dba.NameToProperty("price"), memgraph::storage::PropertyValue(222.84));
std::vector properties{properties_1, properties_2};
for (int i = 0; i < 2; ++i) {
auto impl = dba.InsertVertex();
impl.AddLabel(label_ids[i]);
memgraph::query::MultiPropsInitChecked(&impl, properties[i]);
db.StoreVertex(impl);
}
// prepare edge properties
std::map<memgraph::storage::PropertyId, memgraph::storage::PropertyValue> edge_properties;
edge_properties.emplace(dba.NameToProperty("sum"), memgraph::storage::PropertyValue("2TB"));
edge_properties.emplace(dba.NameToProperty("same_type"), memgraph::storage::PropertyValue(true));
edge_properties.emplace(dba.NameToProperty("cluster_price"), memgraph::storage::PropertyValue(2000.42));
// Before inserting edge, find two vertices
// find source vertex by the property
auto src_vertices = db.Vertices(dba, dba.NameToProperty("price"), memgraph::storage::PropertyValue(221.84));
ASSERT_EQ(src_vertices.size(), 1);
auto src_vertex = src_vertices[0];
// find destination vertex by the property
auto dest_vertices = db.Vertices(dba, dba.NameToProperty("price"), memgraph::storage::PropertyValue(222.84));
ASSERT_EQ(dest_vertices.size(), 1);
auto dest_vertex = dest_vertices[0];
// insert the edge
uint64_t edge_gid = 2;
auto edge_type_id = "CONNECTION";
auto impl_edge = dba.InsertEdge(&src_vertex, &dest_vertex, dba.NameToEdgeType(edge_type_id));
ASSERT_FALSE(impl_edge.HasError());
(*impl_edge).SetGid(memgraph::storage::Gid::FromUint(edge_gid));
memgraph::query::MultiPropsInitChecked(&*impl_edge, edge_properties);
db.StoreEdge(*impl_edge);
// Test out edges of the source vertex
auto src_out_edges = db.OutEdges(src_vertex, dba);
ASSERT_EQ(src_out_edges.size(), 1);
auto src_out_edge = src_out_edges[0];
// test from edge accessor
auto from_out_edge_acc = src_out_edge.From();
ASSERT_EQ(from_out_edge_acc.Gid(), src_vertex.Gid());
ASSERT_EQ(from_out_edge_acc.Labels(memgraph::storage::View::OLD)->size(), 1);
ASSERT_EQ(from_out_edge_acc.Labels(memgraph::storage::View::OLD)->at(0), label_ids[0]);
ASSERT_EQ(*from_out_edge_acc.Properties(memgraph::storage::View::OLD), properties_1);
// test to edge accessor
auto to_out_edge_acc = src_out_edge.To();
ASSERT_EQ(to_out_edge_acc.Gid(), dest_vertex.Gid());
ASSERT_EQ(to_out_edge_acc.Labels(memgraph::storage::View::OLD)->size(), 1);
ASSERT_EQ(to_out_edge_acc.Labels(memgraph::storage::View::OLD)->at(0), label_ids[1]);
ASSERT_EQ(*to_out_edge_acc.Properties(memgraph::storage::View::OLD), properties_2);
// test edge accessor
ASSERT_EQ(src_out_edge.Gid().AsUint(), edge_gid);
ASSERT_EQ(src_out_edge.EdgeType(), dba.NameToEdgeType(edge_type_id));
ASSERT_EQ(*src_out_edge.Properties(memgraph::storage::View::OLD), edge_properties);
// Test in edge of the destination vertex
auto dest_in_edges = db.InEdges(dest_vertex, dba);
ASSERT_EQ(dest_in_edges.size(), 1);
auto dest_in_edge = dest_in_edges[0];
// test from edge accessor
auto from_in_edge_acc = dest_in_edge.From();
ASSERT_EQ(from_in_edge_acc.Gid(), from_out_edge_acc.Gid());
ASSERT_EQ(from_in_edge_acc.Labels(memgraph::storage::View::OLD)->size(), 1);
ASSERT_EQ(from_in_edge_acc.Labels(memgraph::storage::View::OLD)->at(0),
from_out_edge_acc.Labels(memgraph::storage::View::OLD)->at(0));
ASSERT_EQ(*from_in_edge_acc.Properties(memgraph::storage::View::OLD),
*from_out_edge_acc.Properties(memgraph::storage::View::OLD));
// test in edge accessors
auto to_in_edge_acc = dest_in_edge.To();
ASSERT_EQ(to_in_edge_acc.Gid(), to_out_edge_acc.Gid());
ASSERT_EQ(to_in_edge_acc.Labels(memgraph::storage::View::OLD)->size(), 1);
ASSERT_EQ(to_in_edge_acc.Labels(memgraph::storage::View::OLD)->at(0),
to_out_edge_acc.Labels(memgraph::storage::View::OLD)->at(0));
ASSERT_EQ(*to_in_edge_acc.Properties(memgraph::storage::View::OLD),
*to_out_edge_acc.Properties(memgraph::storage::View::OLD));
// test edge accessors
ASSERT_EQ(dest_in_edge.Gid(), src_out_edge.Gid());
ASSERT_EQ(dest_in_edge.EdgeType(), src_out_edge.EdgeType());
ASSERT_EQ(*dest_in_edge.Properties(memgraph::storage::View::OLD),
*src_out_edge.Properties(memgraph::storage::View::OLD));
}