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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 <boost/test/unit_test.hpp>
#include "MockServer.hpp"
#include "MyDefsFixture.hpp"
#include "ecflow/base/ClientToServerRequest.hpp"
#include "ecflow/base/cts/user/CtsCmd.hpp"
#include "ecflow/base/stc/ServerToClientCmd.hpp"
#include "ecflow/core/Log.hpp"
#include "ecflow/test/scaffold/Naming.hpp"
///
/// Tests for `Stats` command
/// - check that the 'number of suits' is correctly reported
/// - check that the 'requests per second' is correctly reported
///
namespace {
std::string extract_report_value(const std::string& report, const std::string& label) {
boost::char_separator<char> sep("\n"); // splitting report by lines
using tokenizer_t = boost::tokenizer<boost::char_separator<char>>;
tokenizer_t tokens(report, sep);
for (const auto& token : tokens) {
if (token.find(label) != std::string::npos) {
// Important!
// By convention, the labels in report by `Stats` have width 35
// If this convention changes, the test will fail
return token.substr(35);
}
}
throw std::runtime_error("Unable to find requested label");
}
int extract_number_of_suites(const std::string& report) {
auto entry = extract_report_value(report, "Number of Suites");
return ecf::convert_to<int>(entry);
}
std::string extract_request_per_second(const std::string& report) {
auto entry = extract_report_value(report, "Request/s per 1,5,15,30,60 min");
return entry;
}
} // namespace
BOOST_AUTO_TEST_SUITE(U_Base)
BOOST_AUTO_TEST_SUITE(T_StatsCmd)
BOOST_AUTO_TEST_CASE(test_stats_cmd__reports_number_of_suites) {
ecf::TestLog test_log("test_stats_cmd__reports_number_of_suites.log");
Defs defs;
// Considering 3 suites, to be reported by `Stats`
defs.addSuite(Suite::create("some_suite"));
defs.addSuite(Suite::create("another_suite"));
defs.addSuite(Suite::create("yet_another_suite"));
MockServer server(&defs);
// Execute `Stats` command
{
auto command = std::make_shared<CtsCmd>(CtsCmd::STATS);
ClientToServerRequest request;
request.set_cmd(command);
try {
auto reply = request.handleRequest(&server);
if (reply) {
BOOST_REQUIRE(reply->ok());
auto no_of_suites = extract_number_of_suites(reply->get_string());
BOOST_REQUIRE(no_of_suites == 3);
}
}
catch (std::exception& e) {
BOOST_CHECK_MESSAGE(false, "Unexpected exception : " << e.what() << " : " << request);
}
}
}
BOOST_AUTO_TEST_CASE(test_stats_cmd__reports_requests_per_second) {
ecf::TestLog test_log("test_stats_cmd__reports_requests_per_second.log");
Defs defs;
MockServer server(&defs);
// Simulate some fictitious server load to report statistics
int polling = 60; // every 60 seconds
int samples = 60; // to cover 1 hour 'uptime'
for (int i = 0; i < samples; ++i) {
int sample = 30 + (samples - i - 1);
// Note: the request counter sample varies to allow checking that the
// measurements are processed in the correct order
server.stats().request_count_ = sample;
server.stats().update_stats(polling);
}
// Execute `Stats` command
{
auto command = std::make_shared<CtsCmd>(CtsCmd::STATS);
ClientToServerRequest request;
request.set_cmd(command);
try {
auto reply = request.handleRequest(&server);
if (reply) {
BOOST_REQUIRE(reply->ok());
auto requests_per_second = extract_request_per_second(reply->get_string());
BOOST_REQUIRE(requests_per_second == "0.50 0.53 0.62 0.74 0.99");
}
}
catch (std::exception& e) {
BOOST_CHECK_MESSAGE(false, "Unexpected exception : " << e.what() << " : " << request);
}
}
}
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE_END()
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