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// Copyright 2017 Yahoo Inc. 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/document/bucket/bucketid.h>
#include <vespa/document/base/documentid.h>
#include <vespa/log/log.h>
#include <vespa/searchlib/docstore/storebybucket.h>
#include <vespa/vespalib/stllike/asciistream.h>
#include <vespa/vespalib/stllike/hash_set.h>
#include <vespa/vespalib/util/threadstackexecutor.h>
LOG_SETUP("store_by_bucket_test");
using namespace search::docstore;
using document::BucketId;
using document::CompressionConfig;
vespalib::string
createPayload(BucketId b) {
constexpr const char * BUF = "Buffer for testing Bucket drain order.";
vespalib::asciistream os;
os << BUF << " " << b;
return os.str();
}
uint32_t userId(size_t i) { return i%100; }
void
add(StoreByBucket & sbb, size_t i) {
constexpr size_t USED_BITS=5;
vespalib::asciistream os;
os << "id:a:b:n=" << userId(i) << ":" << i;
document::DocumentId docId(os.str());
BucketId b = docId.getGlobalId().convertToBucketId();
EXPECT_EQUAL(userId(i), docId.getGlobalId().getLocationSpecificBits());
b.setUsedBits(USED_BITS);
vespalib::string s = createPayload(b);
sbb.add(b, i%10, i, s.c_str(), s.size());
}
class VerifyBucketOrder : public StoreByBucket::IWrite {
public:
VerifyBucketOrder() : _lastLid(0), _lastBucketId(0), _uniqueUser(), _uniqueBucket() { }
void write(BucketId bucketId, uint32_t chunkId, uint32_t lid, const void *buffer, size_t sz) override {
(void) chunkId;
EXPECT_LESS_EQUAL(_lastBucketId.toKey(), bucketId.toKey());
if (_lastBucketId != bucketId) {
EXPECT_TRUE(_uniqueBucket.find(bucketId.getRawId()) == _uniqueBucket.end());
_uniqueBucket.insert(bucketId.getRawId());
}
if (userId(_lastLid) != userId(lid)) {
EXPECT_TRUE(_uniqueUser.find(userId(lid)) == _uniqueUser.end());
_uniqueUser.insert(userId(lid));
}
_lastLid = lid;
_lastBucketId = bucketId;
EXPECT_EQUAL(0, memcmp(buffer, createPayload(bucketId).c_str(), sz));
}
private:
uint32_t _lastLid;
BucketId _lastBucketId;
vespalib::hash_set<uint32_t> _uniqueUser;
vespalib::hash_set<uint64_t> _uniqueBucket;
};
TEST("require that StoreByBucket gives bucket by bucket and ordered within")
{
vespalib::MemoryDataStore backing;
vespalib::ThreadStackExecutor executor(8, 128*1024);
StoreByBucket sbb(backing, executor, CompressionConfig::LZ4);
for (size_t i(1); i <=500; i++) {
add(sbb, i);
}
for (size_t i(1000); i > 500; i--) {
add(sbb, i);
}
EXPECT_EQUAL(32u, sbb.getBucketCount());
EXPECT_EQUAL(1000u, sbb.getLidCount());
VerifyBucketOrder vbo;
sbb.drain(vbo);
}
TEST_MAIN() { TEST_RUN_ALL(); }
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