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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/vdslib/distribution/idealnodecalculatorimpl.h>
#include <vespa/config-stor-distribution.h>
#include <vespa/vdstestlib/cppunit/macros.h>
namespace storage {
namespace lib {
struct IdealNodeCalculatorImplTest : public CppUnit::TestFixture {
void testNormalUsage();
CPPUNIT_TEST_SUITE(IdealNodeCalculatorImplTest);
CPPUNIT_TEST(testNormalUsage);
CPPUNIT_TEST_SUITE_END();
};
CPPUNIT_TEST_SUITE_REGISTRATION(IdealNodeCalculatorImplTest);
/**
* Class is just a wrapper for distribution, so little needs to be tested. Just
* that:
*
* - get ideal nodes calls gets propagated correctly.
* - Changes in distribution/cluster state is picked up.
*/
void
IdealNodeCalculatorImplTest::testNormalUsage()
{
ClusterState state("storage:10");
Distribution distr(Distribution::getDefaultDistributionConfig(3, 10));
IdealNodeCalculatorImpl impl;
IdealNodeCalculatorConfigurable& configurable(impl);
IdealNodeCalculator& calc(impl);
configurable.setDistribution(distr);
configurable.setClusterState(state);
std::string expected("[storage.8, storage.9, storage.6]");
CPPUNIT_ASSERT_EQUAL(
expected,
calc.getIdealStorageNodes(document::BucketId(16, 5)).toString());
}
} // lib
} // storage
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