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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/test_kit.h>
#include <vespa/searchlib/docstore/documentstore.h>
#include <vespa/searchlib/docstore/cachestats.h>
#include <vespa/document/repo/documenttyperepo.h>
using namespace search;
document::DocumentTypeRepo repo;
struct NullDataStore : IDataStore {
NullDataStore() : IDataStore("") {}
ssize_t read(uint32_t, vespalib::DataBuffer &) const override { return 0; }
void read(const LidVector &, IBufferVisitor &) const override { }
void write(uint64_t, uint32_t, const void *, size_t) override {}
void remove(uint64_t, uint32_t) override {}
void flush(uint64_t) override {}
uint64_t initFlush(uint64_t syncToken) override { return syncToken; }
size_t memoryUsed() const override { return 0; }
size_t memoryMeta() const override { return 0; }
size_t getDiskFootprint() const override { return 0; }
size_t getDiskBloat() const override { return 0; }
uint64_t lastSyncToken() const override { return 0; }
uint64_t tentativeLastSyncToken() const override { return 0; }
fastos::TimeStamp getLastFlushTime() const override { return fastos::TimeStamp(); }
void accept(IDataStoreVisitor &, IDataStoreVisitorProgress &, bool) override { }
double getVisitCost() const override { return 1.0; }
virtual DataStoreStorageStats getStorageStats() const override {
return DataStoreStorageStats(0, 0, 0.0, 0, 0, 0);
}
virtual MemoryUsage getMemoryUsage() const override { return MemoryUsage(); }
virtual std::vector<DataStoreFileChunkStats>
getFileChunkStats() const override {
std::vector<DataStoreFileChunkStats> result;
return result;
}
virtual void compactLidSpace(uint32_t wantedDocLidLimit) override { (void) wantedDocLidLimit; }
virtual bool canShrinkLidSpace() const override { return false; }
virtual size_t getEstimatedShrinkLidSpaceGain() const override { return 0; }
virtual void shrinkLidSpace() override {}
};
TEST_FFF("require that uncache docstore lookups are counted",
DocumentStore::Config(document::CompressionConfig::NONE, 0, 0),
NullDataStore(), DocumentStore(f1, f2))
{
EXPECT_EQUAL(0u, f3.getCacheStats().misses);
f3.read(1, repo);
EXPECT_EQUAL(1u, f3.getCacheStats().misses);
}
TEST_FFF("require that cached docstore lookups are counted",
DocumentStore::Config(document::CompressionConfig::NONE, 100000, 100),
NullDataStore(), DocumentStore(f1, f2))
{
EXPECT_EQUAL(0u, f3.getCacheStats().misses);
f3.read(1, repo);
EXPECT_EQUAL(1u, f3.getCacheStats().misses);
}
TEST_MAIN() { TEST_RUN_ALL(); }
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