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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/searchcore/proton/reference/document_db_reference_registry.h>
#include <vespa/searchcore/proton/test/mock_document_db_reference.h>
#include <thread>
#include <vespa/log/log.h>
LOG_SETUP("document_db_reference_registry_test");
namespace proton
{
namespace
{
std::mutex lock;
std::shared_ptr<IDocumentDBReference> getFooResult;
void getFooTask(const IDocumentDBReferenceRegistry *registry)
{
auto result = registry->get("foo");
std::lock_guard<std::mutex> guard(lock);
getFooResult = result;
}
std::shared_ptr<IDocumentDBReference> checkFooResult()
{
std::lock_guard<std::mutex> guard(lock);
return getFooResult;
}
}
struct Fixture
{
DocumentDBReferenceRegistry _registry;
Fixture()
: _registry()
{
}
test::MockDocumentDBReference::SP
add(vespalib::string name) {
auto reference = std::make_shared<test::MockDocumentDBReference>();
_registry.add(name, reference);
return reference;
}
};
TEST_F("Test that we can instantiate registry with two references", Fixture)
{
auto referenceFoo = f.add("foo");
auto referenceBar = f.add("bar");
EXPECT_NOT_EQUAL(referenceFoo.get(), referenceBar.get());
auto reference = f._registry.get("foo");
EXPECT_EQUAL(referenceFoo.get(), reference.get());
reference = f._registry.get("bar");
EXPECT_EQUAL(referenceBar.get(), reference.get());
}
TEST_F("Test that we block get until related add is completed", Fixture)
{
const IDocumentDBReferenceRegistry ®istry = f._registry;
std::thread getFooThread(getFooTask, ®istry);
sleep(1);
std::shared_ptr<IDocumentDBReference> nullResult;
EXPECT_EQUAL(nullResult.get(), checkFooResult().get());
auto referenceFoo = f.add("foo");
std::shared_ptr<IDocumentDBReference> checkResult;
for (int retry = 0; retry < 60 && !checkResult; ++retry) {
sleep(1);
checkResult = checkFooResult();
}
EXPECT_EQUAL(referenceFoo.get(), checkResult.get());
getFooThread.join();
}
TEST_F("Test that tryGet method can fail", Fixture)
{
auto referenceFoo = f.add("foo");
auto reference = f._registry.tryGet("foo");
EXPECT_EQUAL(referenceFoo.get(), reference.get());
reference = f._registry.tryGet("bar");
EXPECT_TRUE(reference.get() == nullptr);
}
}
TEST_MAIN()
{
TEST_RUN_ALL();
}
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