memgraph/tests/manual/distributed_common.hpp
Dominik Gleich 90519f0beb Fix distributed index creation
Summary:
During the creation of indexes there could be a case in which a vertex contains a label/property but is not a part of index after
index building completes.
This happens if vertices are being inserted while the index is being built.

Reviewers: buda, msantl

Reviewed By: msantl

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1484
2018-07-13 12:37:04 +02:00

101 lines
3.0 KiB
C++

#pragma once
#include <chrono>
#include <vector>
#include "communication/result_stream_faker.hpp"
#include "database/graph_db_accessor.hpp"
#include "glue/conversion.hpp"
#include "query/interpreter.hpp"
#include "query/typed_value.hpp"
class WorkerInThread {
public:
explicit WorkerInThread(database::Config config) : worker_(config) {
thread_ = std::thread([this, config] { worker_.WaitForShutdown(); });
}
~WorkerInThread() {
if (thread_.joinable()) thread_.join();
}
database::Worker worker_;
std::thread thread_;
};
class Cluster {
const std::chrono::microseconds kInitTime{200};
const std::string kLocal = "127.0.0.1";
public:
Cluster(int worker_count) {
database::Config masterconfig;
masterconfig.master_endpoint = {kLocal, 0};
master_ = std::make_unique<database::Master>(masterconfig);
interpreter_ = std::make_unique<query::Interpreter>(*master_);
std::this_thread::sleep_for(kInitTime);
auto worker_config = [this](int worker_id) {
database::Config config;
config.worker_id = worker_id;
config.master_endpoint = master_->endpoint();
config.worker_endpoint = {kLocal, 0};
return config;
};
for (int i = 0; i < worker_count; ++i) {
workers_.emplace_back(
std::make_unique<WorkerInThread>(worker_config(i + 1)));
std::this_thread::sleep_for(kInitTime);
}
}
void Stop() {
interpreter_ = nullptr;
auto t = std::thread([this]() { master_ = nullptr; });
workers_.clear();
if (t.joinable()) t.join();
}
~Cluster() {
if (master_) Stop();
}
auto Execute(const std::string &query,
std::map<std::string, query::TypedValue> params = {}) {
database::GraphDbAccessor dba(*master_);
ResultStreamFaker<query::TypedValue> result;
interpreter_->operator()(query, dba, params, false).PullAll(result);
dba.Commit();
return result.GetResults();
};
private:
std::unique_ptr<database::Master> master_;
std::vector<std::unique_ptr<WorkerInThread>> workers_;
std::unique_ptr<query::Interpreter> interpreter_;
};
void CheckResults(
const std::vector<std::vector<query::TypedValue>> &results,
const std::vector<std::vector<query::TypedValue>> &expected_rows,
const std::string &msg) {
query::TypedValue::BoolEqual equality;
CHECK(results.size() == expected_rows.size())
<< msg << " (expected " << expected_rows.size() << " rows "
<< ", got " << results.size() << ")";
for (size_t row_id = 0; row_id < results.size(); ++row_id) {
auto &result = results[row_id];
auto &expected = expected_rows[row_id];
CHECK(result.size() == expected.size())
<< msg << " (expected " << expected.size() << " elements in row "
<< row_id << ", got " << result.size() << ")";
for (size_t col_id = 0; col_id < result.size(); ++col_id) {
CHECK(equality(result[col_id], expected[col_id]))
<< msg << " (expected value '" << expected[col_id] << "' got '"
<< result[col_id] << "' in row " << row_id << " col " << col_id
<< ")";
}
}
}