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/*
* Copyright 2009- ECMWF.
*
* This software is licensed under the terms of the Apache Licence version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
* In applying this licence, ECMWF does not waive the privileges and immunities
* granted to it by virtue of its status as an intergovernmental organisation
* nor does it submit to any jurisdiction.
*/
#include <array>
#include <iomanip>
#include <iostream>
#include <thread>
#include <boost/test/unit_test.hpp>
#include "ecflow/server/PeriodicScheduler.hpp"
#include "ecflow/test/scaffold/Naming.hpp"
std::ostream& operator<<(std::ostream& os, const std::chrono::system_clock::time_point& tp) {
// Create time stamp
std::time_t time = std::chrono::system_clock::to_time_t(tp);
std::tm tm = *std::gmtime(&time);
std::array<char, 100> buffer{};
std::strftime(buffer.data(), buffer.size(), "%Y-%m-%dT%H:%M:%S", &tm);
// Extract milliseconds
auto total_seconds = std::chrono::duration_cast<std::chrono::seconds>(tp.time_since_epoch());
auto total_millis = std::chrono::duration_cast<std::chrono::milliseconds>(tp.time_since_epoch());
auto millis = total_millis - std::chrono::duration_cast<std::chrono::milliseconds>(total_seconds);
os << buffer.data() << "." << std::setw(3) << std::setfill('0') << millis.count();
return os;
}
BOOST_AUTO_TEST_SUITE(TestPeriodicScheduler)
struct Collector
{
using instant_t = ecf::PeriodicScheduler<Collector>::instant_t;
using instants_t = std::vector<instant_t>;
void operator()(instant_t now, instant_t last, instant_t next, bool is_boundary = true) {
std::cout << "Call at " << now << ", with is_boundary? " << (is_boundary ? "true" : "false")
<< ". Last call was at " << last << ". Next call at " << next << "." << std::endl;
// Activity must be called at minute boundary!
if (is_boundary && !instants.empty()) {
auto seconds = std::chrono::duration_cast<std::chrono::seconds>(now.time_since_epoch() % 86400) % 60;
BOOST_CHECK(seconds == std::chrono::seconds(0));
}
instants.push_back(now);
}
instants_t instants;
};
struct LongLasting
{
using instant_t = ecf::PeriodicScheduler<LongLasting>::instant_t;
template <typename DURATION>
explicit LongLasting(const DURATION& duration)
: how_long_{std::chrono::duration_cast<std::chrono::milliseconds>(duration)} {}
void operator()(instant_t now, instant_t last, instant_t next, bool is_boundary = true) {
std::cout << "Call at " << now << ", with is_boundary? " << (is_boundary ? "true" : "false")
<< ". Last call was at " << last << ". Next call at " << next << "." << std::endl;
std::this_thread::sleep_for(how_long_);
}
std::chrono::milliseconds how_long_;
};
BOOST_AUTO_TEST_CASE(test_periodic_scheduler_over_one_minute) {
ECF_NAME_THIS_TEST();
// Setup time collector
Collector collector;
boost::asio::io_context io;
ecf::PeriodicScheduler scheduler(io, std::chrono::seconds(30), collector);
scheduler.start();
// Arrange time collector termination
ecf::Timer teardown(io);
teardown.set([&scheduler](const boost::system::error_code& error) { scheduler.terminate(); },
std::chrono::seconds(62));
// Run services
io.run();
BOOST_CHECK_EQUAL(collector.instants.size(), static_cast<size_t>(62));
}
BOOST_AUTO_TEST_CASE(test_periodic_scheduler_with_long_lasting_activity) {
ECF_NAME_THIS_TEST();
// Setup time collector
LongLasting activity{std::chrono::milliseconds(2499)};
boost::asio::io_context io;
ecf::PeriodicScheduler scheduler(io, std::chrono::seconds(10), activity);
scheduler.start();
// Arrange time collector termination
ecf::Timer teardown(io);
teardown.set([&scheduler](const boost::system::error_code& error) { scheduler.terminate(); },
std::chrono::seconds(60));
// Run services
io.run();
}
BOOST_AUTO_TEST_SUITE_END()
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