memgraph/tests/unit/bfs_single_node.cpp

102 lines
4.9 KiB
C++

#include "bfs_common.hpp"
using namespace query;
using namespace query::plan;
class SingleNodeDb : public Database {
public:
SingleNodeDb() : db_() {}
storage::Storage::Accessor Access() override { return db_.Access(); }
std::unique_ptr<LogicalOperator> MakeBfsOperator(Symbol source_sym, Symbol sink_sym, Symbol edge_sym,
EdgeAtom::Direction direction,
const std::vector<storage::EdgeTypeId> &edge_types,
const std::shared_ptr<LogicalOperator> &input, bool existing_node,
Expression *lower_bound, Expression *upper_bound,
const ExpansionLambda &filter_lambda) override {
return std::make_unique<ExpandVariable>(input, source_sym, sink_sym, edge_sym, EdgeAtom::Type::BREADTH_FIRST,
direction, edge_types, false, lower_bound, upper_bound, existing_node,
filter_lambda, std::nullopt, std::nullopt);
}
std::pair<std::vector<query::VertexAccessor>, std::vector<query::EdgeAccessor>> BuildGraph(
query::DbAccessor *dba, const std::vector<int> &vertex_locations,
const std::vector<std::tuple<int, int, std::string>> &edges) override {
std::vector<query::VertexAccessor> vertex_addr;
std::vector<query::EdgeAccessor> edge_addr;
for (size_t id = 0; id < vertex_locations.size(); ++id) {
auto vertex = dba->InsertVertex();
MG_ASSERT(
vertex.SetProperty(dba->NameToProperty("id"), storage::PropertyValue(static_cast<int64_t>(id))).HasValue());
vertex_addr.push_back(vertex);
}
for (auto e : edges) {
int u, v;
std::string type;
std::tie(u, v, type) = e;
auto &from = vertex_addr[u];
auto &to = vertex_addr[v];
auto edge = dba->InsertEdge(&from, &to, dba->NameToEdgeType(type));
MG_ASSERT(edge->SetProperty(dba->NameToProperty("from"), storage::PropertyValue(u)).HasValue());
MG_ASSERT(edge->SetProperty(dba->NameToProperty("to"), storage::PropertyValue(v)).HasValue());
edge_addr.push_back(*edge);
}
return std::make_pair(vertex_addr, edge_addr);
}
protected:
storage::Storage db_;
};
class SingleNodeBfsTest
: public ::testing::TestWithParam<
std::tuple<int, int, EdgeAtom::Direction, std::vector<std::string>, bool, FilterLambdaType>> {
public:
static void SetUpTestCase() { db_ = std::make_unique<SingleNodeDb>(); }
static void TearDownTestCase() { db_ = nullptr; }
protected:
static std::unique_ptr<SingleNodeDb> db_;
};
TEST_P(SingleNodeBfsTest, All) {
int lower_bound;
int upper_bound;
EdgeAtom::Direction direction;
std::vector<std::string> edge_types;
bool known_sink;
FilterLambdaType filter_lambda_type;
std::tie(lower_bound, upper_bound, direction, edge_types, known_sink, filter_lambda_type) = GetParam();
BfsTest(db_.get(), lower_bound, upper_bound, direction, edge_types, known_sink, filter_lambda_type);
}
std::unique_ptr<SingleNodeDb> SingleNodeBfsTest::db_{nullptr};
INSTANTIATE_TEST_CASE_P(DirectionAndExpansionDepth, SingleNodeBfsTest,
testing::Combine(testing::Range(-1, kVertexCount), testing::Range(-1, kVertexCount),
testing::Values(EdgeAtom::Direction::OUT, EdgeAtom::Direction::IN,
EdgeAtom::Direction::BOTH),
testing::Values(std::vector<std::string>{}), testing::Bool(),
testing::Values(FilterLambdaType::NONE)));
INSTANTIATE_TEST_CASE_P(
EdgeType, SingleNodeBfsTest,
testing::Combine(testing::Values(-1), testing::Values(-1),
testing::Values(EdgeAtom::Direction::OUT, EdgeAtom::Direction::IN, EdgeAtom::Direction::BOTH),
testing::Values(std::vector<std::string>{}, std::vector<std::string>{"a"},
std::vector<std::string>{"b"}, std::vector<std::string>{"a", "b"}),
testing::Bool(), testing::Values(FilterLambdaType::NONE)));
INSTANTIATE_TEST_CASE_P(FilterLambda, SingleNodeBfsTest,
testing::Combine(testing::Values(-1), testing::Values(-1),
testing::Values(EdgeAtom::Direction::OUT, EdgeAtom::Direction::IN,
EdgeAtom::Direction::BOTH),
testing::Values(std::vector<std::string>{}), testing::Bool(),
testing::Values(FilterLambdaType::NONE, FilterLambdaType::USE_FRAME,
FilterLambdaType::USE_FRAME_NULL, FilterLambdaType::USE_CTX,
FilterLambdaType::ERROR)));