Files
scylladb/test/boost/service_level_controller_test.cc
Avi Kivity fcb8d040e8 treewide: use Software Package Data Exchange (SPDX) license identifiers
Instead of lengthy blurbs, switch to single-line, machine-readable
standardized (https://spdx.dev) license identifiers. The Linux kernel
switched long ago, so there is strong precedent.

Three cases are handled: AGPL-only, Apache-only, and dual licensed.
For the latter case, I chose (AGPL-3.0-or-later and Apache-2.0),
reasoning that our changes are extensive enough to apply our license.

The changes we applied mechanically with a script, except to
licenses/README.md.

Closes #9937
2022-01-18 12:15:18 +01:00

114 lines
3.8 KiB
C++

/*
* Copyright (C) 2021-present ScyllaDB
*/
/*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#include <boost/test/unit_test.hpp>
#include <stdlib.h>
#include <iostream>
#include "seastarx.hh"
#include <seastar/testing/test_case.hh>
#include <seastar/testing/thread_test_case.hh>
#include <seastar/core/future-util.hh>
#include <algorithm>
#include "service/qos/service_level_controller.hh"
#include "service/qos/qos_configuration_change_subscriber.hh"
#include "auth/service.hh"
#include "utils/overloaded_functor.hh"
using namespace qos;
struct add_op {
sstring name;
service_level_options slo;
bool operator==(const add_op& other) const = default;
bool operator!=(const add_op& other) const = default;
};
struct remove_op {
sstring name;
bool operator==(const remove_op& other) const = default;
bool operator!=(const remove_op& other) const = default;
};
struct change_op {
sstring name;
service_level_options slo_before;
service_level_options slo_after;
bool operator==(const change_op& other) const = default;
bool operator!=(const change_op& other) const = default;
};
using service_level_op = std::variant<add_op, remove_op, change_op>;
struct qos_configuration_change_suscriber_simple : public qos_configuration_change_subscriber {
std::vector<service_level_op> ops;
virtual future<> on_before_service_level_add(service_level_options slo, service_level_info sl_info) override {
ops.push_back(add_op{sl_info.name, slo});
return make_ready_future<>();
}
virtual future<> on_after_service_level_remove(service_level_info sl_info) override {
ops.push_back(remove_op{sl_info.name});
return make_ready_future<>();
}
virtual future<> on_before_service_level_change(service_level_options slo_before, service_level_options slo_after, service_level_info sl_info) override {
ops.push_back(change_op{sl_info.name, slo_before, slo_after});
return make_ready_future<>();
}
};
std::ostream& operator<<(std::ostream& os, const add_op& op) {
return os << "Service Level: added '" << op.name << "' with " << op.slo.workload;
}
std::ostream& operator<<(std::ostream& os, const change_op& op) {
return os << "Service Level: changed '" << op.name << "' from " << op.slo_before.workload << " to " << op.slo_after.workload;
}
std::ostream& operator<<(std::ostream& os, const remove_op& op) {
return os << "Service Level: removed '" << op.name << "'";
}
std::ostream& operator<<(std::ostream& os, const service_level_op& op) {
std::visit(overloaded_functor {
[&os] (const add_op& op) { os << op; },
[&os] (const remove_op& op) { os << op; },
[&os] (const change_op& op) { os << op; },
}, op);
return os;
}
SEASTAR_THREAD_TEST_CASE(subscriber_simple) {
sharded<service_level_controller> sl_controller;
sharded<auth::service> auth_service;
sl_controller.start(std::ref(auth_service), service_level_options{}).get();
qos_configuration_change_suscriber_simple ccss;
sl_controller.local().register_subscriber(&ccss);
sl_controller.local().add_service_level("sl1", service_level_options{}).get();
sl_controller.local().add_service_level("sl2", service_level_options{}).get();
service_level_options slo;
slo.workload = service_level_options::workload_type::interactive;
sl_controller.local().add_service_level("sl1", slo).get();
sl_controller.local().remove_service_level("sl2", false).get();
std::vector<service_level_op> expected_result = {
add_op{"sl1", service_level_options{}},
add_op{"sl2", service_level_options{}},
change_op{"sl1", service_level_options{}, slo},
remove_op{"sl2"},
};
sl_controller.local().unregister_subscriber(&ccss).get();
BOOST_REQUIRE_EQUAL(ccss.ops, expected_result);
sl_controller.stop().get();
}