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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/searchcore/proton/matchengine/matchengine.h>
#include <vespa/vespalib/data/slime/slime.h>
#include <vespa/searchlib/engine/docsumreply.h>
#include <vespa/vespalib/testkit/test_kit.h>
#include <mutex>
#include <condition_variable>
#include <chrono>
using namespace proton;
using namespace search::engine;
using namespace vespalib::slime;
using vespalib::Slime;
class MySearchHandler : public ISearchHandler {
size_t _numHits;
std::string _name;
std::string _reply;
public:
MySearchHandler(size_t numHits = 0) :
_numHits(numHits), _name("my"), _reply("myreply")
{}
DocsumReply::UP getDocsums(const DocsumRequest &) override {
return std::make_unique<DocsumReply>();
}
SearchReply::UP match(const SearchRequest &, vespalib::ThreadBundle &) const override
{
auto retval = std::make_unique<SearchReply>();
for (size_t i = 0; i < _numHits; ++i) {
retval->hits.emplace_back();
}
return retval;
}
};
class LocalSearchClient : public SearchClient {
private:
std::mutex _lock;
std::condition_variable _cond;
SearchReply::UP _reply;
public:
LocalSearchClient();
~LocalSearchClient() override;
void searchDone(SearchReply::UP reply) override {
std::lock_guard<std::mutex> guard(_lock);
_reply = std::move(reply);
_cond.notify_all();
}
SearchReply::UP getReply(uint32_t millis) {
std::unique_lock<std::mutex> guard(_lock);
auto deadline = std::chrono::steady_clock::now() + std::chrono::milliseconds(millis);
while (!_reply) {
if (_cond.wait_until(guard, deadline) == std::cv_status::timeout) {
break;
}
}
return std::move(_reply);
}
};
LocalSearchClient::LocalSearchClient() = default;
LocalSearchClient::~LocalSearchClient() = default;
TEST("requireThatSearchesExecute")
{
int numMatcherThreads = 16;
MatchEngine engine(numMatcherThreads, 1, 7);
engine.setNodeUp(true);
auto handler = std::make_shared<MySearchHandler>();
DocTypeName dtnvfoo("foo");
engine.putSearchHandler(dtnvfoo, handler);
LocalSearchClient client;
SearchRequest::Source request(new SearchRequest());
SearchReply::UP reply = engine.search(std::move(request), client);
EXPECT_FALSE(reply);
reply = client.getReply(10000);
EXPECT_TRUE(reply);
}
bool
assertSearchReply(MatchEngine & engine, const std::string & searchDocType, size_t expHits)
{
auto *request = new SearchRequest();
request->propertiesMap.lookupCreate(search::MapNames::MATCH).add("documentdb.searchdoctype", searchDocType);
LocalSearchClient client;
engine.search(SearchRequest::Source(request), client);
SearchReply::UP reply = client.getReply(10000);
return EXPECT_EQUAL(expHits, reply->hits.size());
}
TEST("requireThatCorrectHandlerIsUsed")
{
MatchEngine engine(1, 1, 7);
engine.setNodeUp(true);
auto h1 = std::make_shared<MySearchHandler>(2);
auto h2 = std::make_shared<MySearchHandler>(4);
auto h3 = std::make_shared<MySearchHandler>(6);
DocTypeName dtnvfoo("foo");
DocTypeName dtnvbar("bar");
DocTypeName dtnvbaz("baz");
engine.putSearchHandler(dtnvfoo, h1);
engine.putSearchHandler(dtnvbar, h2);
engine.putSearchHandler(dtnvbaz, h3);
EXPECT_TRUE(assertSearchReply(engine, "foo", 2));
EXPECT_TRUE(assertSearchReply(engine, "bar", 4));
EXPECT_TRUE(assertSearchReply(engine, "baz", 6));
EXPECT_TRUE(assertSearchReply(engine, "not", 4)); // uses the first (sorted on name)
}
struct ObserveBundleMatchHandler : MySearchHandler {
typedef std::shared_ptr<ObserveBundleMatchHandler> SP;
mutable size_t bundleSize;
ObserveBundleMatchHandler() : bundleSize(0) {}
search::engine::SearchReply::UP match(
const search::engine::SearchRequest &,
vespalib::ThreadBundle &threadBundle) const override
{
bundleSize = threadBundle.size();
return std::make_unique<SearchReply>();
}
};
TEST("requireThatBundlesAreUsed")
{
MatchEngine engine(15, 5, 7);
engine.setNodeUp(true);
auto handler = std::make_shared<ObserveBundleMatchHandler>();
DocTypeName dtnvfoo("foo");
engine.putSearchHandler(dtnvfoo, handler);
LocalSearchClient client;
SearchRequest::Source request(new SearchRequest());
engine.search(std::move(request), client);
SearchReply::UP reply = client.getReply(10000);
EXPECT_EQUAL(7u, reply->getDistributionKey());
EXPECT_EQUAL(5u, handler->bundleSize);
}
TEST("requireThatHandlersCanBeRemoved")
{
MatchEngine engine(1, 1, 7);
engine.setNodeUp(true);
auto h = std::make_shared<MySearchHandler>(1);
DocTypeName docType("foo");
engine.putSearchHandler(docType, h);
ISearchHandler::SP r = engine.getSearchHandler(docType);
EXPECT_TRUE(r);
EXPECT_TRUE(h.get() == r.get());
r = engine.removeSearchHandler(docType);
EXPECT_TRUE(r);
EXPECT_TRUE(h.get() == r.get());
r = engine.getSearchHandler(docType);
EXPECT_FALSE(r);
}
TEST("requireThatEmptySearchReplyIsReturnedWhenEngineIsClosed")
{
MatchEngine engine(1, 1, 7);
engine.setNodeUp(true);
engine.close();
LocalSearchClient client;
SearchRequest::Source request(new SearchRequest());
SearchReply::UP reply = engine.search(std::move(request), client);
EXPECT_TRUE(reply );
EXPECT_EQUAL(0u, reply->hits.size());
EXPECT_EQUAL(7u, reply->getDistributionKey());
}
TEST("requireThatStateIsReported")
{
MatchEngine engine(1, 1, 7);
Slime slime;
SlimeInserter inserter(slime);
engine.get_state(inserter, false);
EXPECT_EQUAL(
"{\n"
" \"status\": {\n"
" \"state\": \"OFFLINE\",\n"
" \"message\": \"Search interface is offline\"\n"
" }\n"
"}\n",
slime.toString());
}
TEST_MAIN() { TEST_RUN_ALL(); }
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