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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/vespalib/stllike/string.h>
#include <vespa/document/base/documentid.h>
#include <vespa/vespalib/util/threadstackexecutor.h>
#include <vespa/searchcore/proton/server/executor_thread_service.h>
#include <vespa/searchlib/common/lambdatask.h>
#include <vespa/searchcore/proton/reference/i_gid_to_lid_change_listener.h>
#include <vespa/searchcore/proton/reference/gid_to_lid_change_handler.h>
#include <map>
#include <vespa/log/log.h>
LOG_SETUP("gid_to_lid_change_handler_test");
using document::GlobalId;
using document::DocumentId;
using search::makeLambdaTask;
namespace proton {
namespace {
GlobalId toGid(vespalib::stringref docId) {
return DocumentId(docId).getGlobalId();
}
vespalib::string doc1("id:test:music::1");
}
class ListenerStats {
using lock_guard = std::lock_guard<std::mutex>;
std::mutex _lock;
uint32_t _changes;
uint32_t _createdListeners;
uint32_t _registeredListeners;
uint32_t _destroyedListeners;
public:
ListenerStats()
: _lock(),
_changes(0u),
_createdListeners(0u),
_registeredListeners(0u),
_destroyedListeners(0u)
{
}
~ListenerStats()
{
EXPECT_EQUAL(_createdListeners, _destroyedListeners);
}
void notifyGidToLidChange() {
lock_guard guard(_lock);
++_changes;
}
void markCreatedListener() { lock_guard guard(_lock); ++_createdListeners; }
void markRegisteredListener() { lock_guard guard(_lock); ++_registeredListeners; }
void markDestroyedListener() { lock_guard guard(_lock); ++_destroyedListeners; }
uint32_t getCreatedListeners() const { return _createdListeners; }
uint32_t getRegisteredListeners() const { return _registeredListeners; }
uint32_t getDestroyedListeners() const { return _destroyedListeners; }
void assertCounts(uint32_t expCreatedListeners,
uint32_t expRegisteredListeners,
uint32_t expDestroyedListeners,
uint32_t expChanges)
{
EXPECT_EQUAL(expCreatedListeners, getCreatedListeners());
EXPECT_EQUAL(expRegisteredListeners, getRegisteredListeners());
EXPECT_EQUAL(expDestroyedListeners, getDestroyedListeners());
EXPECT_EQUAL(expChanges, _changes);
}
};
class MyListener : public IGidToLidChangeListener
{
ListenerStats &_stats;
vespalib::string _name;
vespalib::string _docTypeName;
public:
MyListener(ListenerStats &stats,
const vespalib::string &name,
const vespalib::string &docTypeName)
: IGidToLidChangeListener(),
_stats(stats),
_name(name),
_docTypeName(docTypeName)
{
_stats.markCreatedListener();
}
virtual ~MyListener() { _stats.markDestroyedListener(); }
virtual void notifyGidToLidChange(GlobalId, uint32_t) override { _stats.notifyGidToLidChange(); }
virtual void notifyRegistered() override { _stats.markRegisteredListener(); }
virtual const vespalib::string &getName() const override { return _name; }
virtual const vespalib::string &getDocTypeName() const override { return _docTypeName; }
};
struct Fixture
{
vespalib::ThreadStackExecutor _masterExecutor;
ExecutorThreadService _master;
std::vector<std::shared_ptr<ListenerStats>> _statss;
std::shared_ptr<GidToLidChangeHandler> _handler;
Fixture()
: _masterExecutor(1, 128 * 1024),
_master(_masterExecutor),
_statss(),
_handler(std::make_shared<GidToLidChangeHandler>(&_master))
{
}
~Fixture()
{
close();
}
void close()
{
_master.execute(makeLambdaTask([this]() { _handler->close(); }));
_master.sync();
}
ListenerStats &addStats() {
_statss.push_back(std::make_shared<ListenerStats>());
return *_statss.back();
}
void addListener(std::unique_ptr<IGidToLidChangeListener> listener) {
_handler->addListener(std::move(listener));
_master.sync();
}
void notifyGidToLidChange(GlobalId gid, uint32_t lid) {
_master.execute(makeLambdaTask([this, gid, lid]() { _handler->notifyGidToLidChange(gid, lid); }));
_master.sync();
}
void removeListeners(const vespalib::string &docTypeName,
const std::set<vespalib::string> &keepNames) {
_handler->removeListeners(docTypeName, keepNames);
_master.sync();
}
};
TEST_F("Test that we can register a listener", Fixture)
{
auto &stats = f.addStats();
auto listener = std::make_unique<MyListener>(stats, "test", "testdoc");
TEST_DO(stats.assertCounts(1, 0, 0, 0));
f.addListener(std::move(listener));
TEST_DO(stats.assertCounts(1, 1, 0, 0));
f.notifyGidToLidChange(toGid(doc1), 10);
TEST_DO(stats.assertCounts(1, 1, 0, 1));
f.removeListeners("testdoc", {});
TEST_DO(stats.assertCounts(1, 1, 1, 1));
}
TEST_F("Test that we can register multiple listeners", Fixture)
{
auto &stats1 = f.addStats();
auto &stats2 = f.addStats();
auto &stats3 = f.addStats();
auto listener1 = std::make_unique<MyListener>(stats1, "test1", "testdoc");
auto listener2 = std::make_unique<MyListener>(stats2, "test2", "testdoc");
auto listener3 = std::make_unique<MyListener>(stats3, "test3", "testdoc2");
TEST_DO(stats1.assertCounts(1, 0, 0, 0));
TEST_DO(stats2.assertCounts(1, 0, 0, 0));
TEST_DO(stats3.assertCounts(1, 0, 0, 0));
f.addListener(std::move(listener1));
f.addListener(std::move(listener2));
f.addListener(std::move(listener3));
TEST_DO(stats1.assertCounts(1, 1, 0, 0));
TEST_DO(stats2.assertCounts(1, 1, 0, 0));
TEST_DO(stats3.assertCounts(1, 1, 0, 0));
f.notifyGidToLidChange(toGid(doc1), 10);
TEST_DO(stats1.assertCounts(1, 1, 0, 1));
TEST_DO(stats2.assertCounts(1, 1, 0, 1));
TEST_DO(stats3.assertCounts(1, 1, 0, 1));
f.removeListeners("testdoc", {"test1"});
TEST_DO(stats1.assertCounts(1, 1, 0, 1));
TEST_DO(stats2.assertCounts(1, 1, 1, 1));
TEST_DO(stats3.assertCounts(1, 1, 0, 1));
f.removeListeners("testdoc", {});
TEST_DO(stats1.assertCounts(1, 1, 1, 1));
TEST_DO(stats2.assertCounts(1, 1, 1, 1));
TEST_DO(stats3.assertCounts(1, 1, 0, 1));
f.removeListeners("testdoc2", {"test3"});
TEST_DO(stats1.assertCounts(1, 1, 1, 1));
TEST_DO(stats2.assertCounts(1, 1, 1, 1));
TEST_DO(stats3.assertCounts(1, 1, 0, 1));
f.removeListeners("testdoc2", {"foo"});
TEST_DO(stats1.assertCounts(1, 1, 1, 1));
TEST_DO(stats2.assertCounts(1, 1, 1, 1));
TEST_DO(stats3.assertCounts(1, 1, 1, 1));
}
TEST_F("Test that we keep old listener when registering duplicate", Fixture)
{
auto &stats = f.addStats();
auto listener = std::make_unique<MyListener>(stats, "test1", "testdoc");
TEST_DO(stats.assertCounts(1, 0, 0, 0));
f.addListener(std::move(listener));
TEST_DO(stats.assertCounts(1, 1, 0, 0));
listener = std::make_unique<MyListener>(stats, "test1", "testdoc");
TEST_DO(stats.assertCounts(2, 1, 0, 0));
f.addListener(std::move(listener));
TEST_DO(stats.assertCounts(2, 1, 1, 0));
}
}
TEST_MAIN()
{
TEST_RUN_ALL();
}
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